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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
commitffa8801644a7d53cc1c785e3450f794c07a14eb0 (patch)
tree8d72a18a9a08b9151d12badcb1c78ce06a059f62 /backend/genesys.cc
parent1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
New upstream version 1.0.29upstream/1.0.29
Diffstat (limited to 'backend/genesys.cc')
-rw-r--r--backend/genesys.cc7580
1 files changed, 0 insertions, 7580 deletions
diff --git a/backend/genesys.cc b/backend/genesys.cc
deleted file mode 100644
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--- a/backend/genesys.cc
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@@ -1,7580 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2003, 2004 Henning Meier-Geinitz <henning@meier-geinitz.de>
- Copyright (C) 2004, 2005 Gerhard Jaeger <gerhard@gjaeger.de>
- Copyright (C) 2004-2016 Stéphane Voltz <stef.dev@free.fr>
- Copyright (C) 2005-2009 Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
- Copyright (C) 2006 Laurent Charpentier <laurent_pubs@yahoo.com>
- Copyright (C) 2007 Luke <iceyfor@gmail.com>
- Copyright (C) 2010 Chris Berry <s0457957@sms.ed.ac.uk> and Michael Rickmann <mrickma@gwdg.de>
- for Plustek Opticbook 3600 support
-
- Dynamic rasterization code was taken from the epjistsu backend by
- m. allan noah <kitno455 at gmail dot com>
-
- Software processing for deskew, crop and dspeckle are inspired by allan's
- noah work in the fujitsu backend
-
- This file is part of the SANE package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- As a special exception, the authors of SANE give permission for
- additional uses of the libraries contained in this release of SANE.
-
- The exception is that, if you link a SANE library with other files
- to produce an executable, this does not by itself cause the
- resulting executable to be covered by the GNU General Public
- License. Your use of that executable is in no way restricted on
- account of linking the SANE library code into it.
-
- This exception does not, however, invalidate any other reasons why
- the executable file might be covered by the GNU General Public
- License.
-
- If you submit changes to SANE to the maintainers to be included in
- a subsequent release, you agree by submitting the changes that
- those changes may be distributed with this exception intact.
-
- If you write modifications of your own for SANE, it is your choice
- whether to permit this exception to apply to your modifications.
- If you do not wish that, delete this exception notice.
-*/
-
-/*
- * SANE backend for Genesys Logic GL646/GL841/GL842/GL843/GL846/GL847/GL124 based scanners
- */
-
-#define DEBUG_NOT_STATIC
-
-#include "genesys.h"
-#include "genesys_sanei.h"
-#include "../include/sane/sanei_config.h"
-#include "../include/sane/sanei_magic.h"
-#include "genesys_devices.cc"
-
-#include <cstring>
-#include <fstream>
-#include <list>
-#include <exception>
-#include <vector>
-
-StaticInit<std::list<Genesys_Scanner>> s_scanners;
-StaticInit<std::vector<SANE_Device>> s_sane_devices;
-StaticInit<std::vector<SANE_Device*>> s_sane_devices_ptrs;
-StaticInit<std::list<Genesys_Device>> s_devices;
-
-static SANE_String_Const mode_list[] = {
- SANE_VALUE_SCAN_MODE_COLOR,
- SANE_VALUE_SCAN_MODE_GRAY,
- /* SANE_TITLE_HALFTONE, currently unused */
- SANE_VALUE_SCAN_MODE_LINEART,
- 0
-};
-
-static SANE_String_Const color_filter_list[] = {
- SANE_I18N ("Red"),
- SANE_I18N ("Green"),
- SANE_I18N ("Blue"),
- 0
-};
-
-static SANE_String_Const cis_color_filter_list[] = {
- SANE_I18N ("Red"),
- SANE_I18N ("Green"),
- SANE_I18N ("Blue"),
- SANE_I18N ("None"),
- 0
-};
-
-static SANE_String_Const source_list[] = {
- SANE_I18N (STR_FLATBED),
- SANE_I18N (STR_TRANSPARENCY_ADAPTER),
- 0
-};
-
-static const char* source_list_infrared[] = {
- SANE_I18N(STR_FLATBED),
- SANE_I18N(STR_TRANSPARENCY_ADAPTER),
- SANE_I18N(STR_TRANSPARENCY_ADAPTER_INFRARED),
- 0
-};
-
-static SANE_Range swdespeck_range = {
- 1,
- 9,
- 1
-};
-
-static SANE_Range time_range = {
- 0, /* minimum */
- 60, /* maximum */
- 0 /* quantization */
-};
-
-static const SANE_Range u12_range = {
- 0, /* minimum */
- 4095, /* maximum */
- 0 /* quantization */
-};
-
-static const SANE_Range u14_range = {
- 0, /* minimum */
- 16383, /* maximum */
- 0 /* quantization */
-};
-
-static const SANE_Range u16_range = {
- 0, /* minimum */
- 65535, /* maximum */
- 0 /* quantization */
-};
-
-static const SANE_Range percentage_range = {
- SANE_FIX (0), /* minimum */
- SANE_FIX (100), /* maximum */
- SANE_FIX (1) /* quantization */
-};
-
-static const SANE_Range threshold_curve_range = {
- 0, /* minimum */
- 127, /* maximum */
- 1 /* quantization */
-};
-
-/**
- * range for brightness and contrast
- */
-static const SANE_Range enhance_range = {
- -100, /* minimum */
- 100, /* maximum */
- 1 /* quantization */
-};
-
-/**
- * range for expiration time
- */
-static const SANE_Range expiration_range = {
- -1, /* minimum */
- 30000, /* maximum */
- 1 /* quantization */
-};
-
-Genesys_Sensor& sanei_genesys_find_sensor_any_for_write(Genesys_Device* dev)
-{
- for (auto& sensor : *s_sensors) {
- if (dev->model->ccd_type == sensor.sensor_id) {
- return sensor;
- }
- }
- throw std::runtime_error("Given device does not have sensor defined");
-}
-
-const Genesys_Sensor& sanei_genesys_find_sensor_any(Genesys_Device* dev)
-{
- for (const auto& sensor : *s_sensors) {
- if (dev->model->ccd_type == sensor.sensor_id) {
- return sensor;
- }
- }
- throw std::runtime_error("Given device does not have sensor defined");
-}
-
-const Genesys_Sensor& sanei_genesys_find_sensor(Genesys_Device* dev, int dpi,
- ScanMethod scan_method)
-{
- for (const auto& sensor : *s_sensors) {
- if (dev->model->ccd_type == sensor.sensor_id &&
- (sensor.min_resolution == -1 || dpi >= sensor.min_resolution) &&
- (sensor.max_resolution == -1 || dpi <= sensor.max_resolution) &&
- sensor.method == scan_method) {
- return sensor;
- }
- }
- throw std::runtime_error("Given device does not have sensor defined");
-}
-
-Genesys_Sensor& sanei_genesys_find_sensor_for_write(Genesys_Device* dev, int dpi,
- ScanMethod scan_method)
-{
- for (auto& sensor : *s_sensors) {
- if (dev->model->ccd_type == sensor.sensor_id &&
- (sensor.min_resolution == -1 || dpi >= sensor.min_resolution) &&
- (sensor.max_resolution == -1 || dpi <= sensor.max_resolution) &&
- sensor.method == scan_method) {
- return sensor;
- }
- }
- throw std::runtime_error("Given device does not have sensor defined");
-}
-
-
-void
-sanei_genesys_init_structs (Genesys_Device * dev)
-{
- unsigned int i, gpo_ok = 0, motor_ok = 0;
- bool fe_ok = false;
-
- /* initialize the GPO data stuff */
- for (i = 0; i < sizeof (Gpo) / sizeof (Genesys_Gpo); i++)
- {
- if (dev->model->gpo_type == Gpo[i].gpo_id)
- {
- dev->gpo = Gpo[i];
- gpo_ok = 1;
- }
- }
-
- /* initialize the motor data stuff */
- for (i = 0; i < sizeof (Motor) / sizeof (Genesys_Motor); i++)
- {
- if (dev->model->motor_type == Motor[i].motor_id)
- {
- dev->motor = Motor[i];
- motor_ok = 1;
- }
- }
-
- for (const auto& frontend : *s_frontends) {
- if (dev->model->dac_type == frontend.fe_id) {
- dev->frontend_initial = frontend;
- fe_ok = true;
- break;
- }
- }
-
- /* sanity check */
- if (motor_ok == 0 || gpo_ok == 0 || !fe_ok)
- {
- DBG(DBG_error0, "%s: bad description(s) for fe/gpo/motor=%d/%d/%d\n", __func__,
- dev->model->ccd_type, dev->model->gpo_type, dev->model->motor_type);
- }
-
- /* set up initial line distance shift */
- dev->ld_shift_r = dev->model->ld_shift_r;
- dev->ld_shift_g = dev->model->ld_shift_g;
- dev->ld_shift_b = dev->model->ld_shift_b;
-}
-
-/* main function for slope creation */
-/**
- * This function generates a slope table using the given slope
- * truncated at the given exposure time or step count, whichever comes first.
- * The reached step time is then stored in final_exposure and used for the rest
- * of the table. The summed time of the acceleration steps is returned, and the
- * number of accerelation steps is put into used_steps.
- *
- * @param slope_table Table to write to
- * @param max_steps Size of slope_table in steps
- * @param use_steps Maximum number of steps to use for acceleration
- * @param stop_at Minimum step time to use
- * @param vstart Start step time of default slope
- * @param vend End step time of default slope
- * @param steps Step count of default slope
- * @param g Power for default slope
- * @param used_steps Final number of steps is stored here
- * @param vfinal Final step time is stored here
- * @return Time for acceleration
- * @note All times in pixel time. Correction for other motor timings is not
- * done.
- */
-SANE_Int
-sanei_genesys_generate_slope_table (uint16_t * slope_table,
- unsigned int max_steps,
- unsigned int use_steps,
- uint16_t stop_at,
- uint16_t vstart,
- uint16_t vend,
- unsigned int steps,
- double g,
- unsigned int *used_steps,
- unsigned int *vfinal)
-{
- double t;
- SANE_Int sum = 0;
- unsigned int i;
- unsigned int c = 0;
- uint16_t t2;
- unsigned int dummy;
- unsigned int _vfinal;
- if (!used_steps)
- used_steps = &dummy;
- if (!vfinal)
- vfinal = &_vfinal;
-
- DBG(DBG_proc, "%s: table size: %d\n", __func__, max_steps);
-
- DBG(DBG_proc, "%s: stop at time: %d, use %d steps max\n", __func__, stop_at, use_steps);
-
- DBG(DBG_proc, "%s: target slope: vstart: %d, vend: %d, steps: %d, g: %g\n", __func__, vstart,
- vend, steps, g);
-
- sum = 0;
- c = 0;
- *used_steps = 0;
-
- if (use_steps < 1)
- use_steps = 1;
-
- if (stop_at < vstart)
- {
- t2 = vstart;
- for (i = 0; i < steps && i < use_steps - 1 && i < max_steps; i++, c++)
- {
- t = pow (((double) i) / ((double) (steps - 1)), g);
- t2 = vstart * (1 - t) + t * vend;
- if (t2 < stop_at)
- break;
- *slope_table++ = t2;
- /* DBG (DBG_io, "slope_table[%3d] = %5d\n", c, t2); */
- sum += t2;
- }
- if (t2 > stop_at)
- {
- DBG(DBG_warn, "Can not reach target speed(%d) in %d steps.\n", stop_at, use_steps);
- DBG(DBG_warn, "Expect image to be distorted. Ignore this if only feeding.\n");
- }
- *vfinal = t2;
- *used_steps += i;
- max_steps -= i;
- }
- else
- *vfinal = stop_at;
-
- for (i = 0; i < max_steps; i++, c++)
- {
- *slope_table++ = *vfinal;
- /* DBG (DBG_io, "slope_table[%3d] = %5d\n", c, *vfinal); */
- }
-
- (*used_steps)++;
- sum += *vfinal;
-
- DBG(DBG_proc, "%s: returns sum=%d, used %d steps, completed\n", __func__, sum, *used_steps);
-
- return sum;
-}
-
-/* Generate slope table for motor movement */
-/**
- * This function generates a slope table using the slope from the motor struct
- * truncated at the given exposure time or step count, whichever comes first.
- * The reached step time is then stored in final_exposure and used for the rest
- * of the table. The summed time of the acceleration steps is returned, and the
- * number of accerelation steps is put into used_steps.
- *
- * @param dev Device struct
- * @param slope_table Table to write to
- * @param max_step Size of slope_table in steps
- * @param use_steps Maximum number of steps to use for acceleration
- * @param step_type Generate table for this step_type. 0=>full, 1=>half,
- * 2=>quarter
- * @param exposure_time Minimum exposure time of a scan line
- * @param yres Resolution of a scan line
- * @param used_steps Final number of steps is stored here
- * @param final_exposure Final step time is stored here
- * @param power_mode Power mode (related to the Vref used) of the motor
- * @return Time for acceleration
- * @note all times in pixel time
- */
-SANE_Int
-sanei_genesys_create_slope_table3 (Genesys_Device * dev,
- uint16_t * slope_table,
- int max_step,
- unsigned int use_steps,
- int step_type,
- int exposure_time,
- double yres,
- unsigned int *used_steps,
- unsigned int *final_exposure,
- int power_mode)
-{
- unsigned int sum_time = 0;
- unsigned int vtarget;
- unsigned int vend;
- unsigned int vstart;
- unsigned int vfinal;
-
- DBG(DBG_proc, "%s: step_type = %d, exposure_time = %d, yres = %g, power_mode = %d\n", __func__,
- step_type, exposure_time, yres, power_mode);
-
- /* final speed */
- vtarget = (exposure_time * yres) / dev->motor.base_ydpi;
-
- vstart = dev->motor.slopes[power_mode][step_type].maximum_start_speed;
- vend = dev->motor.slopes[power_mode][step_type].maximum_speed;
-
- vtarget >>= step_type;
- if (vtarget > 65535)
- vtarget = 65535;
-
- vstart >>= step_type;
- if (vstart > 65535)
- vstart = 65535;
-
- vend >>= step_type;
- if (vend > 65535)
- vend = 65535;
-
- sum_time = sanei_genesys_generate_slope_table (slope_table,
- max_step,
- use_steps,
- vtarget,
- vstart,
- vend,
- dev->motor.slopes[power_mode][step_type].minimum_steps << step_type,
- dev->motor.slopes[power_mode][step_type].g,
- used_steps,
- &vfinal);
-
- if (final_exposure)
- *final_exposure = (vfinal * dev->motor.base_ydpi) / yres;
-
- DBG(DBG_proc, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
-
- return sum_time;
-}
-
-
-/* alternate slope table creation function */
-/* the hardcoded values (g and vstart) will go in a motor struct */
-static SANE_Int
-genesys_create_slope_table2 (Genesys_Device * dev,
- uint16_t * slope_table, int steps,
- int step_type, int exposure_time,
- SANE_Bool same_speed, double yres,
- int power_mode)
-{
- double t, g;
- SANE_Int sum = 0;
- int vstart, vend;
- int i;
-
- DBG(DBG_proc, "%s: %d steps, step_type = %d, "
- "exposure_time = %d, same_speed = %d, yres = %.2f, power_mode = %d\n", __func__, steps,
- step_type, exposure_time, same_speed, yres, power_mode);
-
- /* start speed */
- if (dev->model->motor_type == MOTOR_5345)
- {
- if (yres < dev->motor.base_ydpi / 6)
- vstart = 2500;
- else
- vstart = 2000;
- }
- else
- {
- if (steps == 2)
- vstart = exposure_time;
- else if (steps == 3)
- vstart = 2 * exposure_time;
- else if (steps == 4)
- vstart = 1.5 * exposure_time;
- else if (steps == 120)
- vstart = 1.81674 * exposure_time;
- else
- vstart = exposure_time;
- }
-
- /* final speed */
- vend = (exposure_time * yres) / (dev->motor.base_ydpi * (1 << step_type));
-
- /*
- type=1 : full
- type=2 : half
- type=4 : quarter
- vend * type * base_ydpi / exposure = yres
- */
-
- /* acceleration */
- switch (steps)
- {
- case 255:
- /* test for special case: fast moving slope */
- /* todo: a 'fast' boolean parameter should be better */
- if (vstart == 2000)
- g = 0.2013;
- else
- g = 0.1677;
- break;
- case 120:
- g = 0.5;
- break;
- case 67:
- g = 0.5;
- break;
- case 64:
- g = 0.2555;
- break;
- case 44:
- g = 0.5;
- break;
- case 4:
- g = 0.5;
- break;
- case 3:
- g = 1;
- break;
- case 2:
- vstart = vend;
- g = 1;
- break;
- default:
- g = 0.2635;
- }
-
- /* if same speed, no 'g' */
- sum = 0;
- if (same_speed)
- {
- for (i = 0; i < 255; i++)
- {
- slope_table[i] = vend;
- sum += slope_table[i];
- DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
- }
- }
- else
- {
- for (i = 0; i < steps; i++)
- {
- t = pow (((double) i) / ((double) (steps - 1)), g);
- slope_table[i] = vstart * (1 - t) + t * vend;
- DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
- sum += slope_table[i];
- }
- for (i = steps; i < 255; i++)
- {
- slope_table[i] = vend;
- DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
- sum += slope_table[i];
- }
- }
-
- DBG(DBG_proc, "%s: returns sum=%d, completed\n", __func__, sum);
-
- return sum;
-}
-
-/* Generate slope table for motor movement */
-/* todo: check details */
-SANE_Int
-sanei_genesys_create_slope_table (Genesys_Device * dev,
- uint16_t * slope_table, int steps,
- int step_type, int exposure_time,
- SANE_Bool same_speed, double yres,
- int power_mode)
-{
- double t;
- double start_speed;
- double g;
- uint32_t time_period;
- int sum_time = 0;
- int i, divider;
- int same_step;
-
- if (dev->model->motor_type == MOTOR_5345
- || dev->model->motor_type == MOTOR_HP2300
- || dev->model->motor_type == MOTOR_HP2400)
- return genesys_create_slope_table2 (dev, slope_table, steps,
- step_type, exposure_time,
- same_speed, yres, power_mode);
-
- DBG(DBG_proc, "%s: %d steps, step_type = %d, exposure_time = %d, same_speed =%d\n", __func__,
- steps, step_type, exposure_time, same_speed);
- DBG(DBG_proc, "%s: yres = %.2f\n", __func__, yres);
-
- g = 0.6;
- start_speed = 0.01;
- same_step = 4;
- divider = 1 << step_type;
-
- time_period =
- (uint32_t) (yres * exposure_time / dev->motor.base_ydpi /*MOTOR_GEAR */ );
- if ((time_period < 2000) && (same_speed))
- same_speed = SANE_FALSE;
-
- time_period = time_period / divider;
-
- if (same_speed)
- {
- for (i = 0; i < steps; i++)
- {
- slope_table[i] = (uint16_t) time_period;
- sum_time += time_period;
-
- DBG (DBG_io, "slope_table[%d] = %d\n", i, time_period);
- }
- DBG(DBG_info, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
- return sum_time;
- }
-
- if (time_period > MOTOR_SPEED_MAX * 5)
- {
- g = 1.0;
- start_speed = 0.05;
- same_step = 2;
- }
- else if (time_period > MOTOR_SPEED_MAX * 4)
- {
- g = 0.8;
- start_speed = 0.04;
- same_step = 2;
- }
- else if (time_period > MOTOR_SPEED_MAX * 3)
- {
- g = 0.7;
- start_speed = 0.03;
- same_step = 2;
- }
- else if (time_period > MOTOR_SPEED_MAX * 2)
- {
- g = 0.6;
- start_speed = 0.02;
- same_step = 3;
- }
-
- if (dev->model->motor_type == MOTOR_ST24)
- {
- steps = 255;
- switch ((int) yres)
- {
- case 2400:
- g = 0.1672;
- start_speed = 1.09;
- break;
- case 1200:
- g = 1;
- start_speed = 6.4;
- break;
- case 600:
- g = 0.1672;
- start_speed = 1.09;
- break;
- case 400:
- g = 0.2005;
- start_speed = 20.0 / 3.0 /*7.5 */ ;
- break;
- case 300:
- g = 0.253;
- start_speed = 2.182;
- break;
- case 150:
- g = 0.253;
- start_speed = 4.367;
- break;
- default:
- g = 0.262;
- start_speed = 7.29;
- }
- same_step = 1;
- }
-
- if (steps <= same_step)
- {
- time_period =
- (uint32_t) (yres * exposure_time /
- dev->motor.base_ydpi /*MOTOR_GEAR */ );
- time_period = time_period / divider;
-
- if (time_period > 65535)
- time_period = 65535;
-
- for (i = 0; i < same_step; i++)
- {
- slope_table[i] = (uint16_t) time_period;
- sum_time += time_period;
-
- DBG (DBG_io, "slope_table[%d] = %d\n", i, time_period);
- }
-
- DBG(DBG_proc, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
- return sum_time;
- }
-
- for (i = 0; i < steps; i++)
- {
- double j = ((double) i) - same_step + 1; /* start from 1/16 speed */
-
- if (j <= 0)
- t = 0;
- else
- t = pow (j / (steps - same_step), g);
-
- time_period = /* time required for full steps */
- (uint32_t) (yres * exposure_time /
- dev->motor.base_ydpi /*MOTOR_GEAR */ *
- (start_speed + (1 - start_speed) * t));
-
- time_period = time_period / divider;
- if (time_period > 65535)
- time_period = 65535;
-
- slope_table[i] = (uint16_t) time_period;
- sum_time += time_period;
-
- DBG (DBG_io, "slope_table[%d] = %d\n", i, slope_table[i]);
- }
-
- DBG(DBG_proc, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
-
- return sum_time;
-}
-
-/** @brief computes gamma table
- * Generates a gamma table of the given length within 0 and the given
- * maximum value
- * @param gamma_table gamma table to fill
- * @param size size of the table
- * @param maximum value allowed for gamma
- * @param gamma_max maximum gamma value
- * @param gamma gamma to compute values
- * @return a gamma table filled with the computed values
- * */
-void
-sanei_genesys_create_gamma_table (std::vector<uint16_t>& gamma_table, int size,
- float maximum, float gamma_max, float gamma)
-{
- gamma_table.clear();
- gamma_table.resize(size, 0);
-
- int i;
- float value;
-
- DBG(DBG_proc, "%s: size = %d, ""maximum = %g, gamma_max = %g, gamma = %g\n", __func__, size,
- maximum, gamma_max, gamma);
- for (i = 0; i < size; i++)
- {
- value = gamma_max * pow ((float) i / size, 1.0 / gamma);
- if (value > maximum)
- value = maximum;
- gamma_table[i] = value;
- }
- DBG(DBG_proc, "%s: completed\n", __func__);
-}
-
-void sanei_genesys_create_default_gamma_table(Genesys_Device* dev,
- std::vector<uint16_t>& gamma_table, float gamma)
-{
- int size = 0;
- int max = 0;
- if (dev->model->asic_type == GENESYS_GL646) {
- if (dev->model->flags & GENESYS_FLAG_14BIT_GAMMA) {
- size = 16384;
- } else {
- size = 4096;
- }
- max = size - 1;
- } else {
- size = 256;
- max = 65535;
- }
- sanei_genesys_create_gamma_table(gamma_table, size, max, max, gamma);
-}
-
-/* computes the exposure_time on the basis of the given vertical dpi,
- the number of pixels the ccd needs to send,
- the step_type and the corresponding maximum speed from the motor struct */
-/*
- Currently considers maximum motor speed at given step_type, minimum
- line exposure needed for conversion and led exposure time.
-
- TODO: Should also consider maximum transfer rate: ~6.5MB/s.
- Note: The enhance option of the scanners does _not_ help. It only halves
- the amount of pixels transfered.
- */
-SANE_Int
-sanei_genesys_exposure_time2 (Genesys_Device * dev, float ydpi,
- int step_type, int endpixel,
- int exposure_by_led, int power_mode)
-{
- int exposure_by_ccd = endpixel + 32;
- int exposure_by_motor =
- (dev->motor.slopes[power_mode][step_type].maximum_speed
- * dev->motor.base_ydpi) / ydpi;
-
- int exposure = exposure_by_ccd;
-
- if (exposure < exposure_by_motor)
- exposure = exposure_by_motor;
-
- if (exposure < exposure_by_led && dev->model->is_cis)
- exposure = exposure_by_led;
-
- DBG(DBG_info, "%s: ydpi=%d, step=%d, endpixel=%d led=%d, power=%d => exposure=%d\n", __func__,
- (int)ydpi, step_type, endpixel, exposure_by_led, power_mode, exposure);
- return exposure;
-}
-
-/* computes the exposure_time on the basis of the given horizontal dpi */
-/* we will clean/simplify it by using constants from a future motor struct */
-SANE_Int
-sanei_genesys_exposure_time (Genesys_Device * dev, Genesys_Register_Set * reg,
- int xdpi)
-{
- if (dev->model->motor_type == MOTOR_5345)
- {
- if (dev->model->cmd_set->get_filter_bit (reg))
- {
- /* monochrome */
- switch (xdpi)
- {
- case 600:
- return 8500;
- case 500:
- case 400:
- case 300:
- case 250:
- case 200:
- case 150:
- return 5500;
- case 100:
- return 6500;
- case 50:
- return 12000;
- default:
- return 11000;
- }
- }
- else
- {
- /* color scan */
- switch (xdpi)
- {
- case 300:
- case 250:
- case 200:
- return 5500;
- case 50:
- return 12000;
- default:
- return 11000;
- }
- }
- }
- else if (dev->model->motor_type == MOTOR_HP2400)
- {
- if (dev->model->cmd_set->get_filter_bit (reg))
- {
- /* monochrome */
- switch (xdpi)
- {
- case 200:
- return 7210;
- default:
- return 11111;
- }
- }
- else
- {
- /* color scan */
- switch (xdpi)
- {
- case 600:
- return 8751; /*11902; 19200 */
- default:
- return 11111;
- }
- }
- }
- else if (dev->model->motor_type == MOTOR_HP2300)
- {
- if (dev->model->cmd_set->get_filter_bit (reg))
- {
- /* monochrome */
- switch (xdpi)
- {
- case 600:
- return 8699; /* 3200; */
- case 300:
- return 3200; /*10000;, 3200 -> too dark */
- case 150:
- return 4480; /* 3200 ???, warmup needs 4480 */
- case 75:
- return 5500;
- default:
- return 11111;
- }
- }
- else
- {
- /* color scan */
- switch (xdpi)
- {
- case 600:
- return 8699;
- case 300:
- return 4349;
- case 150:
- case 75:
- return 4480;
- default:
- return 11111;
- }
- }
- }
- return 11000;
-}
-
-
-
-/* Sends a block of shading information to the scanner.
- The data is placed at address 0x0000 for color mode, gray mode and
- unconditionally for the following CCD chips: HP2300, HP2400 and HP5345
- In the other cases (lineart, halftone on ccd chips not mentioned) the
- addresses are 0x2a00 for dpihw==0, 0x5500 for dpihw==1 and 0xa800 for
- dpihw==2. //Note: why this?
-
- The data needs to be of size "size", and in little endian byte order.
- */
-static SANE_Status
-genesys_send_offset_and_shading (Genesys_Device * dev, const Genesys_Sensor& sensor,
- uint8_t * data,
- int size)
-{
- int dpihw;
- int start_address;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBG(DBG_proc, "%s: (size = %d)\n", __func__, size);
-
- /* ASIC higher than gl843 doesn't have register 2A/2B, so we route to
- * a per ASIC shading data loading function if available.
- * It is also used for scanners using SHDAREA */
- if(dev->model->cmd_set->send_shading_data!=NULL)
- {
- status=dev->model->cmd_set->send_shading_data(dev, sensor, data, size);
- DBGCOMPLETED;
- return status;
- }
-
- /* gl646, gl84[123] case */
- dpihw = dev->reg.get8(0x05) >> 6;
-
- /* TODO invert the test so only the 2 models behaving like that are
- * tested instead of adding all the others */
- /* many scanners send coefficient for lineart/gray like in color mode */
- if ((dev->settings.scan_mode == ScanColorMode::LINEART ||
- dev->settings.scan_mode == ScanColorMode::HALFTONE)
- && dev->model->ccd_type != CCD_PLUSTEK3800
- && dev->model->ccd_type != CCD_KVSS080
- && dev->model->ccd_type != CCD_G4050
- && dev->model->ccd_type != CCD_CS4400F
- && dev->model->ccd_type != CCD_CS8400F
- && dev->model->ccd_type != CCD_CS8600F
- && dev->model->ccd_type != CCD_DSMOBILE600
- && dev->model->ccd_type != CCD_XP300
- && dev->model->ccd_type != CCD_DP665
- && dev->model->ccd_type != CCD_DP685
- && dev->model->ccd_type != CIS_CANONLIDE80
- && dev->model->ccd_type != CCD_ROADWARRIOR
- && dev->model->ccd_type != CCD_HP2300
- && dev->model->ccd_type != CCD_HP2400
- && dev->model->ccd_type != CCD_HP3670
- && dev->model->ccd_type != CCD_5345) /* lineart, halftone */
- {
- if (dpihw == 0) /* 600 dpi */
- start_address = 0x02a00;
- else if (dpihw == 1) /* 1200 dpi */
- start_address = 0x05500;
- else if (dpihw == 2) /* 2400 dpi */
- start_address = 0x0a800;
- else /* reserved */
- return SANE_STATUS_INVAL;
- }
- else /* color */
- start_address = 0x00;
-
- status = sanei_genesys_set_buffer_address (dev, start_address);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to set buffer address: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading table: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-/* ? */
-SANE_Status
-sanei_genesys_init_shading_data (Genesys_Device * dev, const Genesys_Sensor& sensor,
- int pixels_per_line)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- int channels;
- int i;
-
- /* these models don't need to init shading data due to the use of specific send shading data
- function */
- if (dev->model->ccd_type==CCD_KVSS080
- || dev->model->ccd_type==CCD_G4050
- || dev->model->ccd_type==CCD_CS4400F
- || dev->model->ccd_type==CCD_CS8400F
- || dev->model->cmd_set->send_shading_data!=NULL)
- return SANE_STATUS_GOOD;
-
- DBG(DBG_proc, "%s (pixels_per_line = %d)\n", __func__, pixels_per_line);
-
- // BUG: GRAY shouldn't probably be in the if condition below. Discovered when refactoring
- if (dev->settings.scan_mode == ScanColorMode::GRAY ||
- dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
- {
- channels = 3;
- } else {
- channels = 1;
- }
-
- // 16 bit black, 16 bit white
- std::vector<uint8_t> shading_data(pixels_per_line * 4 * channels, 0);
-
- uint8_t* shading_data_ptr = shading_data.data();
-
- for (i = 0; i < pixels_per_line * channels; i++)
- {
- *shading_data_ptr++ = 0x00; /* dark lo */
- *shading_data_ptr++ = 0x00; /* dark hi */
- *shading_data_ptr++ = 0x00; /* white lo */
- *shading_data_ptr++ = 0x40; /* white hi -> 0x4000 */
- }
-
- status = genesys_send_offset_and_shading (dev, sensor,
- shading_data.data(),
- pixels_per_line * 4 * channels);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading data: %s\n", __func__,
- sane_strstatus (status));
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/* Find the position of the reference point:
- takes gray level 8 bits data and find
- first CCD usable pixel and top of scanning area */
-SANE_Status
-sanei_genesys_search_reference_point (Genesys_Device * dev, Genesys_Sensor& sensor,
- uint8_t * data,
- int start_pixel, int dpi, int width,
- int height)
-{
- int x, y;
- int current, left, top = 0;
- int size, count;
- int level = 80; /* edge threshold level */
-
- /*sanity check */
- if ((width < 3) || (height < 3))
- return SANE_STATUS_INVAL;
-
- /* transformed image data */
- size = width * height;
- std::vector<uint8_t> image(size, 0);
-
- /* laplace filter to denoise picture */
- memcpy(image.data(), data, size); // to initialize unprocessed part of the image buffer
- for (y = 1; y < height - 1; y++)
- for (x = 1; x < width - 1; x++)
- {
- image[y * width + x] =
- (data[(y - 1) * width + x + 1] + 2 * data[(y - 1) * width + x] +
- data[(y - 1) * width + x - 1] + 2 * data[y * width + x + 1] +
- 4 * data[y * width + x] + 2 * data[y * width + x - 1] +
- data[(y + 1) * width + x + 1] + 2 * data[(y + 1) * width + x] +
- data[(y + 1) * width + x - 1]) / 16;
- }
-
- memcpy (data, image.data(), size);
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_laplace.pnm", image.data(), 8, 1, width, height);
-
- /* apply X direction sobel filter
- -1 0 1
- -2 0 2
- -1 0 1
- and finds threshold level
- */
- level = 0;
- for (y = 2; y < height - 2; y++)
- for (x = 2; x < width - 2; x++)
- {
- current =
- data[(y - 1) * width + x + 1] - data[(y - 1) * width + x - 1] +
- 2 * data[y * width + x + 1] - 2 * data[y * width + x - 1] +
- data[(y + 1) * width + x + 1] - data[(y + 1) * width + x - 1];
- if (current < 0)
- current = -current;
- if (current > 255)
- current = 255;
- image[y * width + x] = current;
- if (current > level)
- level = current;
- }
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_xsobel.pnm", image.data(), 8, 1, width, height);
-
- /* set up detection level */
- level = level / 3;
-
- /* find left black margin first
- todo: search top before left
- we average the result of N searches */
- left = 0;
- count = 0;
- for (y = 2; y < 11; y++)
- {
- x = 8;
- while ((x < width / 2) && (image[y * width + x] < level))
- {
- image[y * width + x] = 255;
- x++;
- }
- count++;
- left += x;
- }
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_detected-xsobel.pnm", image.data(), 8, 1, width, height);
- left = left / count;
-
- /* turn it in CCD pixel at full sensor optical resolution */
- sensor.CCD_start_xoffset = start_pixel + (left * sensor.optical_res) / dpi;
-
- /* find top edge by detecting black strip */
- /* apply Y direction sobel filter
- -1 -2 -1
- 0 0 0
- 1 2 1
- */
- level = 0;
- for (y = 2; y < height - 2; y++)
- for (x = 2; x < width - 2; x++)
- {
- current =
- -data[(y - 1) * width + x + 1] - 2 * data[(y - 1) * width + x] -
- data[(y - 1) * width + x - 1] + data[(y + 1) * width + x + 1] +
- 2 * data[(y + 1) * width + x] + data[(y + 1) * width + x - 1];
- if (current < 0)
- current = -current;
- if (current > 255)
- current = 255;
- image[y * width + x] = current;
- if (current > level)
- level = current;
- }
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_ysobel.pnm", image.data(), 8, 1, width, height);
-
- /* set up detection level */
- level = level / 3;
-
- /* search top of horizontal black stripe : TODO yet another flag */
- if (dev->model->ccd_type == CCD_5345
- && dev->model->motor_type == MOTOR_5345)
- {
- top = 0;
- count = 0;
- for (x = width / 2; x < width - 1; x++)
- {
- y = 2;
- while ((y < height) && (image[x + y * width] < level))
- {
- image[y * width + x] = 255;
- y++;
- }
- count++;
- top += y;
- }
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_detected-ysobel.pnm", image.data(), 8, 1, width, height);
- top = top / count;
-
- /* bottom of black stripe is of fixed witdh, this hardcoded value
- * will be moved into device struct if more such values are needed */
- top += 10;
- dev->model->y_offset_calib = SANE_FIX ((top * MM_PER_INCH) / dpi);
- DBG(DBG_info, "%s: black stripe y_offset = %f mm \n", __func__,
- SANE_UNFIX (dev->model->y_offset_calib));
- }
-
- /* find white corner in dark area : TODO yet another flag */
- if ((dev->model->ccd_type == CCD_HP2300
- && dev->model->motor_type == MOTOR_HP2300)
- || (dev->model->ccd_type == CCD_HP2400
- && dev->model->motor_type == MOTOR_HP2400)
- || (dev->model->ccd_type == CCD_HP3670
- && dev->model->motor_type == MOTOR_HP3670))
- {
- top = 0;
- count = 0;
- for (x = 10; x < 60; x++)
- {
- y = 2;
- while ((y < height) && (image[x + y * width] < level))
- y++;
- top += y;
- count++;
- }
- top = top / count;
- dev->model->y_offset_calib = SANE_FIX ((top * MM_PER_INCH) / dpi);
- DBG(DBG_info, "%s: white corner y_offset = %f mm\n", __func__,
- SANE_UNFIX (dev->model->y_offset_calib));
- }
-
- DBG(DBG_proc, "%s: CCD_start_xoffset = %d, left = %d, top = %d\n", __func__,
- sensor.CCD_start_xoffset, left, top);
-
- return SANE_STATUS_GOOD;
-}
-
-
-void
-sanei_genesys_calculate_zmode2 (SANE_Bool two_table,
- uint32_t exposure_time,
- uint16_t * slope_table,
- int reg21,
- int move, int reg22, uint32_t * z1,
- uint32_t * z2)
-{
- int i;
- int sum;
- DBG(DBG_info, "%s: two_table=%d\n", __func__, two_table);
-
- /* acceleration total time */
- sum = 0;
- for (i = 0; i < reg21; i++)
- sum += slope_table[i];
-
- /* compute Z1MOD */
- /* c=sum(slope_table;reg21)
- d=reg22*cruising speed
- Z1MOD=(c+d) % exposure_time */
- *z1 = (sum + reg22 * slope_table[reg21 - 1]) % exposure_time;
-
- /* compute Z2MOD */
- /* a=sum(slope_table;reg21), b=move or 1 if 2 tables */
- /* Z2MOD=(a+b) % exposure_time */
- if (!two_table)
- sum = sum + (move * slope_table[reg21 - 1]);
- else
- sum = sum + slope_table[reg21 - 1];
- *z2 = sum % exposure_time;
-}
-
-
-/* huh? */
-/* todo: double check */
-/* Z1 and Z2 seem to be a time to synchronize with clock or a phase correction */
-/* steps_sum is the result of create_slope_table */
-/* last_speed is the last entry of the slope_table */
-/* feedl is registers 3d,3e,3f */
-/* fastfed is register 02 bit 3 */
-/* scanfed is register 1f */
-/* fwdstep is register 22 */
-/* tgtime is register 6c bit 6+7 >> 6 */
-
-void
-sanei_genesys_calculate_zmode (uint32_t exposure_time,
- uint32_t steps_sum, uint16_t last_speed,
- uint32_t feedl, uint8_t fastfed,
- uint8_t scanfed, uint8_t fwdstep,
- uint8_t tgtime, uint32_t * z1, uint32_t * z2)
-{
- uint8_t exposure_factor;
-
- exposure_factor = pow (2, tgtime); /* todo: originally, this is always 2^0 ! */
-
- /* Z1 is for buffer-full backward forward moving */
- *z1 =
- exposure_factor * ((steps_sum + fwdstep * last_speed) % exposure_time);
-
- /* Z2 is for acceleration before scan */
- if (fastfed) /* two curve mode */
- {
- *z2 =
- exposure_factor * ((steps_sum + scanfed * last_speed) %
- exposure_time);
- }
- else /* one curve mode */
- {
- *z2 =
- exposure_factor * ((steps_sum + feedl * last_speed) % exposure_time);
- }
-}
-
-
-static uint8_t genesys_adjust_gain(double* applied_multi, double multi, uint8_t gain)
-{
- double voltage, original_voltage;
- uint8_t new_gain = 0;
-
- DBG(DBG_proc, "%s: multi=%f, gain=%d\n", __func__, multi, gain);
-
- voltage = 0.5 + gain * 0.25;
- original_voltage = voltage;
-
- voltage *= multi;
-
- new_gain = (uint8_t) ((voltage - 0.5) * 4);
- if (new_gain > 0x0e)
- new_gain = 0x0e;
-
- voltage = 0.5 + (new_gain) * 0.25;
-
- *applied_multi = voltage / original_voltage;
-
- DBG(DBG_proc, "%s: orig voltage=%.2f, new voltage=%.2f, *applied_multi=%f, new_gain=%d\n",
- __func__, original_voltage, voltage, *applied_multi, new_gain);
-
- return new_gain;
-}
-
-
-/* todo: is return status necessary (unchecked?) */
-static SANE_Status
-genesys_average_white (Genesys_Device * dev, Genesys_Sensor& sensor, int channels, int channel,
- uint8_t * data, int size, int *max_average)
-{
- int gain_white_ref, sum, range;
- int average;
- int i;
-
- DBG(DBG_proc, "%s: channels=%d, channel=%d, size=%d\n", __func__, channels, channel, size);
-
- range = size / 50;
-
- if (dev->settings.scan_method == ScanMethod::TRANSPARENCY) /* transparency mode */
- gain_white_ref = sensor.fau_gain_white_ref * 256;
- else
- gain_white_ref = sensor.gain_white_ref * 256;
-
- if (range < 1)
- range = 1;
-
- size = size / (2 * range * channels);
-
- data += (channel * 2);
-
- *max_average = 0;
-
- while (size--)
- {
- sum = 0;
- for (i = 0; i < range; i++)
- {
- sum += (*data);
- sum += *(data + 1) * 256;
- data += (2 * channels); /* byte based */
- }
-
- average = (sum / range);
- if (average > *max_average)
- *max_average = average;
- }
-
- DBG(DBG_proc, "%s: max_average=%d, gain_white_ref = %d, finished\n", __func__, *max_average,
- gain_white_ref);
-
- if (*max_average >= gain_white_ref)
- return SANE_STATUS_INVAL;
-
- return SANE_STATUS_GOOD;
-}
-
-/* todo: understand, values are too high */
-static int
-genesys_average_black (Genesys_Device * dev, int channel,
- uint8_t * data, int pixels)
-{
- int i;
- int sum;
- int pixel_step;
-
- DBG(DBG_proc, "%s: channel=%d, pixels=%d\n", __func__, channel, pixels);
-
- sum = 0;
-
- if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
- {
- data += (channel * 2);
- pixel_step = 3 * 2;
- }
- else
- {
- pixel_step = 2;
- }
-
- for (i = 0; i < pixels; i++)
- {
- sum += *data;
- sum += *(data + 1) * 256;
-
- data += pixel_step;
- }
-
- DBG(DBG_proc, "%s = %d\n", __func__, sum / pixels);
-
- return (int) (sum / pixels);
-}
-
-
-/* todo: check; it works but the lines 1, 2, and 3 are too dark even with the
- same offset and gain settings? */
-static SANE_Status genesys_coarse_calibration(Genesys_Device * dev, Genesys_Sensor& sensor)
-{
- int size;
- int black_pixels;
- int white_average;
- int channels;
- SANE_Status status = SANE_STATUS_GOOD;
- uint8_t offset[4] = { 0xa0, 0x00, 0xa0, 0x40 }; /* first value isn't used */
- uint16_t white[12], dark[12];
- int i, j;
-
- DBG(DBG_info, "%s (scan_mode = %d)\n", __func__, static_cast<unsigned>(dev->settings.scan_mode));
-
- black_pixels = sensor.black_pixels
- * dev->settings.xres / sensor.optical_res;
-
- if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
- channels = 3;
- else
- channels = 1;
-
- DBG(DBG_info, "channels %d y_size %d xres %d\n", channels, dev->model->y_size,
- dev->settings.xres);
- size =
- channels * 2 * SANE_UNFIX (dev->model->y_size) * dev->settings.xres /
- 25.4;
- /* 1 1 mm 1/inch inch/mm */
-
- std::vector<uint8_t> calibration_data(size);
- std::vector<uint8_t> all_data(size * 4, 1);
-
- status = dev->model->cmd_set->set_fe(dev, sensor, AFE_INIT);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to set frontend: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- dev->frontend.set_gain(0, 2);
- dev->frontend.set_gain(1, 2);
- dev->frontend.set_gain(2, 2); // TODO: ? was 2
- dev->frontend.set_offset(0, offset[0]);
- dev->frontend.set_offset(1, offset[0]);
- dev->frontend.set_offset(2, offset[0]);
-
- for (i = 0; i < 4; i++) /* read 4 lines */
- {
- if (i < 3) /* first 3 lines */
- {
- dev->frontend.set_offset(0, offset[i]);
- dev->frontend.set_offset(1, offset[i]);
- dev->frontend.set_offset(2, offset[i]);
- }
-
- if (i == 1) /* second line */
- {
- double applied_multi;
- double gain_white_ref;
-
- if (dev->settings.scan_method == ScanMethod::TRANSPARENCY) /* Transparency */
- gain_white_ref = sensor.fau_gain_white_ref * 256;
- else
- gain_white_ref = sensor.gain_white_ref * 256;
- /* white and black are defined downwards */
-
- uint8_t gain0 = genesys_adjust_gain(&applied_multi,
- gain_white_ref / (white[0] - dark[0]),
- dev->frontend.get_gain(0));
- uint8_t gain1 = genesys_adjust_gain(&applied_multi,
- gain_white_ref / (white[1] - dark[1]),
- dev->frontend.get_gain(1));
- uint8_t gain2 = genesys_adjust_gain(&applied_multi,
- gain_white_ref / (white[2] - dark[2]),
- dev->frontend.get_gain(2));
- // FIXME: looks like overwritten data. Are the above calculations doing
- // anything at all?
- dev->frontend.set_gain(0, gain0);
- dev->frontend.set_gain(1, gain1);
- dev->frontend.set_gain(2, gain2);
- dev->frontend.set_gain(0, 2);
- dev->frontend.set_gain(1, 2);
- dev->frontend.set_gain(2, 2);
-
- status =
- sanei_genesys_fe_write_data(dev, 0x28, dev->frontend.get_gain(0));
- if (status != SANE_STATUS_GOOD) /* todo: this was 0x28 + 3 ? */
- {
- DBG(DBG_error, "%s: Failed to write gain[0]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data(dev, 0x29, dev->frontend.get_gain(1));
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to write gain[1]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data(dev, 0x2a, dev->frontend.get_gain(2));
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to write gain[2]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
-
- if (i == 3) /* last line */
- {
- double x, y, rate;
-
- for (j = 0; j < 3; j++)
- {
-
- x =
- (double) (dark[(i - 2) * 3 + j] -
- dark[(i - 1) * 3 + j]) * 254 / (offset[i - 1] / 2 -
- offset[i - 2] / 2);
- y = x - x * (offset[i - 1] / 2) / 254 - dark[(i - 1) * 3 + j];
- rate = (x - DARK_VALUE - y) * 254 / x + 0.5;
-
- uint8_t curr_offset = static_cast<uint8_t>(rate);
-
- if (curr_offset > 0x7f) {
- curr_offset = 0x7f;
- }
- curr_offset <<= 1;
- dev->frontend.set_offset(j, curr_offset);
- }
- }
- status =
- sanei_genesys_fe_write_data(dev, 0x20, dev->frontend.get_offset(0));
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to write offset[0]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data(dev, 0x21, dev->frontend.get_offset(1));
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to write offset[1]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data(dev, 0x22, dev->frontend.get_offset(2));
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to write offset[2]: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- DBG(DBG_info,
- "%s: doing scan: gain: %d/%d/%d, offset: %d/%d/%d\n", __func__,
- dev->frontend.get_gain(0),
- dev->frontend.get_gain(1),
- dev->frontend.get_gain(2),
- dev->frontend.get_offset(0),
- dev->frontend.get_offset(1),
- dev->frontend.get_offset(2));
-
- status =
- dev->model->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, SANE_FALSE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to begin scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status =
- sanei_genesys_read_data_from_scanner (dev, calibration_data.data(), size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to read data: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- std::memcpy(all_data.data() + i * size, calibration_data.data(), size);
- if (i == 3) /* last line */
- {
- std::vector<uint8_t> all_data_8(size * 4 / 2);
- unsigned int count;
-
- for (count = 0; count < (unsigned int) (size * 4 / 2); count++)
- all_data_8[count] = all_data[count * 2 + 1];
- status =
- sanei_genesys_write_pnm_file("gl_coarse.pnm", all_data_8.data(), 8, channels, size / 6, 4);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
-
- status = dev->model->cmd_set->end_scan(dev, &dev->calib_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to end scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
- {
- for (j = 0; j < 3; j++)
- {
- genesys_average_white (dev, sensor, 3, j, calibration_data.data(), size,
- &white_average);
- white[i * 3 + j] = white_average;
- dark[i * 3 + j] =
- genesys_average_black (dev, j, calibration_data.data(),
- black_pixels);
- DBG(DBG_info, "%s: white[%d]=%d, black[%d]=%d\n", __func__,
- i * 3 + j, white[i * 3 + j], i * 3 + j, dark[i * 3 + j]);
- }
- }
- else /* one color-component modes */
- {
- genesys_average_white (dev, sensor, 1, 0, calibration_data.data(), size,
- &white_average);
- white[i * 3 + 0] = white[i * 3 + 1] = white[i * 3 + 2] =
- white_average;
- dark[i * 3 + 0] = dark[i * 3 + 1] = dark[i * 3 + 2] =
- genesys_average_black (dev, 0, calibration_data.data(), black_pixels);
- }
-
- if (i == 3)
- {
- if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
- {
- /* todo: huh? */
- dev->dark[0] =
- (uint16_t) (1.6925 * dark[i * 3 + 0] + 0.1895 * 256);
- dev->dark[1] =
- (uint16_t) (1.4013 * dark[i * 3 + 1] + 0.3147 * 256);
- dev->dark[2] =
- (uint16_t) (1.2931 * dark[i * 3 + 2] + 0.1558 * 256);
- }
- else /* one color-component modes */
- {
- switch (dev->settings.color_filter)
- {
- case ColorFilter::RED:
- default:
- dev->dark[0] =
- (uint16_t) (1.6925 * dark[i * 3 + 0] +
- (1.1895 - 1.0) * 256);
- dev->dark[1] = dev->dark[2] = dev->dark[0];
- break;
-
- case ColorFilter::GREEN:
- dev->dark[1] =
- (uint16_t) (1.4013 * dark[i * 3 + 1] +
- (1.3147 - 1.0) * 256);
- dev->dark[0] = dev->dark[2] = dev->dark[1];
- break;
-
- case ColorFilter::BLUE:
- dev->dark[2] =
- (uint16_t) (1.2931 * dark[i * 3 + 2] +
- (1.1558 - 1.0) * 256);
- dev->dark[0] = dev->dark[1] = dev->dark[2];
- break;
- }
- }
- }
- } /* for (i = 0; i < 4; i++) */
-
- DBG(DBG_info, "%s: final: gain: %d/%d/%d, offset: %d/%d/%d\n", __func__,
- dev->frontend.get_gain(0),
- dev->frontend.get_gain(1),
- dev->frontend.get_gain(2),
- dev->frontend.get_offset(0),
- dev->frontend.get_offset(1),
- dev->frontend.get_offset(2));
- DBGCOMPLETED;
-
- return status;
-}
-
-/* Averages image data.
- average_data and calibration_data are little endian 16 bit words.
- */
-static void
-genesys_average_data (uint8_t * average_data,
- uint8_t * calibration_data,
- uint32_t lines,
- uint32_t pixel_components_per_line)
-{
- uint32_t x, y;
- uint32_t sum;
-
- for (x = 0; x < pixel_components_per_line; x++)
- {
- sum = 0;
- for (y = 0; y < lines; y++)
- {
- sum += calibration_data[(x + y * pixel_components_per_line) * 2];
- sum +=
- calibration_data[(x + y * pixel_components_per_line) * 2 +
- 1] * 256;
- }
- sum /= lines;
- *average_data++ = sum & 255;
- *average_data++ = sum / 256;
- }
-}
-
-/**
- * scans a white area with motor and lamp off to get the per CCD pixel offset
- * that will be used to compute shading coefficient
- * @param dev scanner's device
- * @return SANE_STATUS_GOOD if OK, else an error
- */
-static SANE_Status
-genesys_dark_shading_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- size_t size;
- uint32_t pixels_per_line;
- uint8_t channels;
- SANE_Bool motor;
-
- DBGSTART;
-
- /* end pixel - start pixel */
- pixels_per_line = dev->calib_pixels;
- channels = dev->calib_channels;
-
- uint32_t out_pixels_per_line = pixels_per_line + dev->calib_pixels_offset;
- dev->average_size = channels * 2 * out_pixels_per_line;
-
- dev->dark_average_data.clear();
- dev->dark_average_data.resize(dev->average_size);
-
- // FIXME: the current calculation is likely incorrect on non-GENESYS_GL843 implementations,
- // but this needs checking
- if (dev->calib_total_bytes_to_read > 0) {
- size = dev->calib_total_bytes_to_read;
- } else if (dev->model->asic_type == GENESYS_GL843) {
- size = channels * 2 * pixels_per_line * dev->calib_lines;
- } else {
- size = channels * 2 * pixels_per_line * (dev->calib_lines + 1);
- }
-
- std::vector<uint8_t> calibration_data(size);
-
- motor=SANE_TRUE;
- if (dev->model->flags & GENESYS_FLAG_SHADING_NO_MOVE)
- {
- motor=SANE_FALSE;
- }
-
- /* turn off motor and lamp power for flatbed scanners, but not for sheetfed scanners
- * because they have a calibration sheet with a sufficient black strip */
- if (dev->model->is_sheetfed == SANE_FALSE)
- {
- sanei_genesys_set_lamp_power(dev, sensor, dev->calib_reg, false);
- sanei_genesys_set_motor_power(dev->calib_reg, motor);
- }
- else
- {
- sanei_genesys_set_lamp_power(dev, sensor, dev->calib_reg, true);
- sanei_genesys_set_motor_power(dev->calib_reg, motor);
- }
-
- status =
- dev->model->cmd_set->bulk_write_register(dev, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- // wait some time to let lamp to get dark
- sanei_genesys_sleep_ms(200);
-
- status = dev->model->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, SANE_FALSE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to begin scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = sanei_genesys_read_data_from_scanner (dev, calibration_data.data(), size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read data: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = dev->model->cmd_set->end_scan(dev, &dev->calib_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to end scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- std::fill(dev->dark_average_data.begin(),
- dev->dark_average_data.begin() + dev->calib_pixels_offset * channels,
- 0x00);
-
- genesys_average_data(dev->dark_average_data.data() + dev->calib_pixels_offset * channels,
- calibration_data.data(),
- dev->calib_lines, pixels_per_line * channels);
-
- if (DBG_LEVEL >= DBG_data)
- {
- sanei_genesys_write_pnm_file("gl_black_shading.pnm", calibration_data.data(), 16,
- channels, pixels_per_line, dev->calib_lines);
- sanei_genesys_write_pnm_file("gl_black_average.pnm", dev->dark_average_data.data(), 16,
- channels, out_pixels_per_line, 1);
- }
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-/*
- * this function builds dummy dark calibration data so that we can
- * compute shading coefficient in a clean way
- * todo: current values are hardcoded, we have to find if they
- * can be computed from previous calibration data (when doing offset
- * calibration ?)
- */
-static SANE_Status
-genesys_dummy_dark_shading (Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
- uint32_t pixels_per_line;
- uint8_t channels;
- uint32_t x, skip, xend;
- int dummy1, dummy2, dummy3; /* dummy black average per channel */
-
- DBGSTART;
-
- pixels_per_line = dev->calib_pixels;
- channels = dev->calib_channels;
-
- uint32_t out_pixels_per_line = pixels_per_line + dev->calib_pixels_offset;
-
- dev->average_size = channels * 2 * out_pixels_per_line;
- dev->dark_average_data.clear();
- dev->dark_average_data.resize(dev->average_size, 0);
-
- /* we average values on 'the left' where CCD pixels are under casing and
- give darkest values. We then use these as dummy dark calibration */
- if (dev->settings.xres <= sensor.optical_res / 2)
- {
- skip = 4;
- xend = 36;
- }
- else
- {
- skip = 4;
- xend = 68;
- }
- if (dev->model->ccd_type==CCD_G4050
- || dev->model->ccd_type==CCD_CS4400F
- || dev->model->ccd_type==CCD_CS8400F
- || dev->model->ccd_type==CCD_KVSS080)
- {
- skip = 2;
- xend = sensor.black_pixels;
- }
-
- /* average each channels on half left margin */
- dummy1 = 0;
- dummy2 = 0;
- dummy3 = 0;
-
- for (x = skip + 1; x <= xend; x++)
- {
- dummy1 +=
- dev->white_average_data[channels * 2 * x] +
- 256 * dev->white_average_data[channels * 2 * x + 1];
- if (channels > 1)
- {
- dummy2 +=
- (dev->white_average_data[channels * 2 * x + 2] +
- 256 * dev->white_average_data[channels * 2 * x + 3]);
- dummy3 +=
- (dev->white_average_data[channels * 2 * x + 4] +
- 256 * dev->white_average_data[channels * 2 * x + 5]);
- }
- }
-
- dummy1 /= (xend - skip);
- if (channels > 1)
- {
- dummy2 /= (xend - skip);
- dummy3 /= (xend - skip);
- }
- DBG(DBG_proc, "%s: dummy1=%d, dummy2=%d, dummy3=%d \n", __func__, dummy1, dummy2, dummy3);
-
- /* fill dark_average */
- for (x = 0; x < out_pixels_per_line; x++)
- {
- dev->dark_average_data[channels * 2 * x] = dummy1 & 0xff;
- dev->dark_average_data[channels * 2 * x + 1] = dummy1 >> 8;
- if (channels > 1)
- {
- dev->dark_average_data[channels * 2 * x + 2] = dummy2 & 0xff;
- dev->dark_average_data[channels * 2 * x + 3] = dummy2 >> 8;
- dev->dark_average_data[channels * 2 * x + 4] = dummy3 & 0xff;
- dev->dark_average_data[channels * 2 * x + 5] = dummy3 >> 8;
- }
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-static SANE_Status
-genesys_white_shading_calibration (Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- size_t size;
- uint32_t pixels_per_line;
- uint8_t channels;
- SANE_Bool motor;
-
- DBG(DBG_proc, "%s (lines = %d)\n", __func__, (unsigned int)dev->calib_lines);
-
- pixels_per_line = dev->calib_pixels;
- channels = dev->calib_channels;
-
- uint32_t out_pixels_per_line = pixels_per_line + dev->calib_pixels_offset;
-
- dev->white_average_data.clear();
- dev->white_average_data.resize(channels * 2 * out_pixels_per_line);
-
- // FIXME: the current calculation is likely incorrect on non-GENESYS_GL843 implementations,
- // but this needs checking
- if (dev->calib_total_bytes_to_read > 0) {
- size = dev->calib_total_bytes_to_read;
- } else if (dev->model->asic_type == GENESYS_GL843) {
- size = channels * 2 * pixels_per_line * dev->calib_lines;
- } else {
- size = channels * 2 * pixels_per_line * (dev->calib_lines + 1);
- }
-
- std::vector<uint8_t> calibration_data(size);
-
- motor=SANE_TRUE;
- if (dev->model->flags & GENESYS_FLAG_SHADING_NO_MOVE)
- {
- motor=SANE_FALSE;
- }
-
- // turn on motor and lamp power
- sanei_genesys_set_lamp_power(dev, sensor, dev->calib_reg, true);
- sanei_genesys_set_motor_power(dev->calib_reg, motor);
-
- /* if needed, go back before doing next scan */
- if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK)
- {
- /* rewind keeps registers and slopes table intact from previous
- scan but is not available on all supported chipsets (or may
- cause scan artifacts, see #7) */
- status = (dev->model->cmd_set->rewind
- ? dev->model->cmd_set->rewind (dev)
- : dev->model->cmd_set->slow_back_home (dev, SANE_TRUE));
- if (dev->settings.scan_method == ScanMethod::TRANSPARENCY)
- {
- dev->model->cmd_set->move_to_ta(dev);
- }
- }
-
- status =
- dev->model->cmd_set->bulk_write_register(dev, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- if (dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION)
- sanei_genesys_sleep_ms(500); // make sure lamp is bright again
-
- status = dev->model->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to begin scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = sanei_genesys_read_data_from_scanner (dev, calibration_data.data(), size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read data: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = dev->model->cmd_set->end_scan(dev, &dev->calib_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to end scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_white_shading.pnm", calibration_data.data(), 16,
- channels, pixels_per_line, dev->calib_lines);
-
- std::fill(dev->dark_average_data.begin(),
- dev->dark_average_data.begin() + dev->calib_pixels_offset * channels,
- 0x00);
-
- genesys_average_data (dev->white_average_data.data() + dev->calib_pixels_offset * channels,
- calibration_data.data(), dev->calib_lines,
- pixels_per_line * channels);
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file("gl_white_average.pnm", dev->white_average_data.data(), 16,
- channels, out_pixels_per_line, 1);
-
- /* in case we haven't done dark calibration, build dummy data from white_average */
- if (!(dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION))
- {
- status = genesys_dummy_dark_shading(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do dummy dark shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK)
- {
- status = dev->model->cmd_set->slow_back_home (dev, SANE_TRUE);
- }
-
- DBGCOMPLETED;
-
- return status;
-}
-
-/* This calibration uses a scan over the calibration target, comprising a
- * black and a white strip. (So the motor must be on.)
- */
-static SANE_Status
-genesys_dark_white_shading_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- size_t size;
- uint32_t pixels_per_line;
- uint8_t *average_white, *average_dark;
- uint8_t channels;
- unsigned int x;
- int y;
- uint32_t dark, white, dark_sum, white_sum, dark_count, white_count, col,
- dif;
- SANE_Bool motor;
-
-
- DBG(DBG_proc, "%s: (lines = %d)\n", __func__, (unsigned int)dev->calib_lines);
-
- pixels_per_line = dev->calib_pixels;
- channels = dev->calib_channels;
-
- uint32_t out_pixels_per_line = pixels_per_line + dev->calib_pixels_offset;
-
- dev->average_size = channels * 2 * out_pixels_per_line;
-
- dev->white_average_data.clear();
- dev->white_average_data.resize(dev->average_size);
-
- dev->dark_average_data.clear();
- dev->dark_average_data.resize(dev->average_size);
-
- if (dev->calib_total_bytes_to_read > 0)
- size = dev->calib_total_bytes_to_read;
- else
- size = channels * 2 * pixels_per_line * dev->calib_lines;
-
- std::vector<uint8_t> calibration_data(size);
-
- motor=SANE_TRUE;
- if (dev->model->flags & GENESYS_FLAG_SHADING_NO_MOVE)
- {
- motor=SANE_FALSE;
- }
-
- // turn on motor and lamp power
- sanei_genesys_set_lamp_power(dev, sensor, dev->calib_reg, true);
- sanei_genesys_set_motor_power(dev->calib_reg, motor);
-
- status =
- dev->model->cmd_set->bulk_write_register(dev, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = dev->model->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, SANE_FALSE);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to begin scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = sanei_genesys_read_data_from_scanner (dev, calibration_data.data(), size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read data: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- status = dev->model->cmd_set->end_scan(dev, &dev->calib_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to end scan: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- {
- if (dev->model->is_cis)
- {
- sanei_genesys_write_pnm_file("gl_black_white_shading.pnm", calibration_data.data(),
- 16, 1, pixels_per_line*channels,
- dev->calib_lines);
- }
- else
- {
- sanei_genesys_write_pnm_file("gl_black_white_shading.pnm", calibration_data.data(),
- 16, channels, pixels_per_line,
- dev->calib_lines);
- }
- }
-
-
- std::fill(dev->dark_average_data.begin(),
- dev->dark_average_data.begin() + dev->calib_pixels_offset * channels,
- 0x00);
- std::fill(dev->white_average_data.begin(),
- dev->white_average_data.begin() + dev->calib_pixels_offset * channels,
- 0x00);
-
- average_white = dev->white_average_data.data() + dev->calib_pixels_offset * channels;
- average_dark = dev->dark_average_data.data() + dev->calib_pixels_offset * channels;
-
- for (x = 0; x < pixels_per_line * channels; x++)
- {
- dark = 0xffff;
- white = 0;
-
- for (y = 0; y < (int)dev->calib_lines; y++)
- {
- col = calibration_data[(x + y * pixels_per_line * channels) * 2];
- col |=
- calibration_data[(x + y * pixels_per_line * channels) * 2 +
- 1] << 8;
-
- if (col > white)
- white = col;
- if (col < dark)
- dark = col;
- }
-
- dif = white - dark;
-
- dark = dark + dif / 8;
- white = white - dif / 8;
-
- dark_count = 0;
- dark_sum = 0;
-
- white_count = 0;
- white_sum = 0;
-
- for (y = 0; y < (int)dev->calib_lines; y++)
- {
- col = calibration_data[(x + y * pixels_per_line * channels) * 2];
- col |=
- calibration_data[(x + y * pixels_per_line * channels) * 2 +
- 1] << 8;
-
- if (col >= white)
- {
- white_sum += col;
- white_count++;
- }
- if (col <= dark)
- {
- dark_sum += col;
- dark_count++;
- }
-
- }
-
- dark_sum /= dark_count;
- white_sum /= white_count;
-
- *average_dark++ = dark_sum & 255;
- *average_dark++ = dark_sum >> 8;
-
- *average_white++ = white_sum & 255;
- *average_white++ = white_sum >> 8;
- }
-
- if (DBG_LEVEL >= DBG_data)
- {
- sanei_genesys_write_pnm_file("gl_white_average.pnm",
- dev->white_average_data.data(), 16, channels,
- out_pixels_per_line, 1);
- sanei_genesys_write_pnm_file("gl_dark_average.pnm",
- dev->dark_average_data.data(), 16, channels,
- out_pixels_per_line, 1);
- }
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-/* computes one coefficient given bright-dark value
- * @param coeff factor giving 1.00 gain
- * @param target desired target code
- * @param value brght-dark value
- * */
-static unsigned int
-compute_coefficient (unsigned int coeff, unsigned int target, unsigned int value)
-{
- int result;
-
- if (value > 0)
- {
- result = (coeff * target) / value;
- if (result >= 65535)
- {
- result = 65535;
- }
- }
- else
- {
- result = coeff;
- }
- return result;
-}
-
-/** @brief compute shading coefficients for LiDE scanners
- * The dark/white shading is actually performed _after_ reducing
- * resolution via averaging. only dark/white shading data for what would be
- * first pixel at full resolution is used.
- *
- * scanner raw input to output value calculation:
- * o=(i-off)*(gain/coeff)
- *
- * from datasheet:
- * off=dark_average
- * gain=coeff*bright_target/(bright_average-dark_average)
- * works for dark_target==0
- *
- * what we want is these:
- * bright_target=(bright_average-off)*(gain/coeff)
- * dark_target=(dark_average-off)*(gain/coeff)
- * leading to
- * off = (dark_average*bright_target - bright_average*dark_target)/(bright_target - dark_target)
- * gain = (bright_target - dark_target)/(bright_average - dark_average)*coeff
- *
- * @param dev scanner's device
- * @param shading_data memory area where to store the computed shading coefficients
- * @param pixels_per_line number of pixels per line
- * @param words_per_color memory words per color channel
- * @param channels number of color channels (actually 1 or 3)
- * @param o shading coefficients left offset
- * @param coeff 4000h or 2000h depending on fast scan mode or not (GAIN4 bit)
- * @param target_bright value of the white target code
- * @param target_dark value of the black target code
-*/
-static void
-compute_averaged_planar (Genesys_Device * dev, const Genesys_Sensor& sensor,
- uint8_t * shading_data,
- unsigned int pixels_per_line,
- unsigned int words_per_color,
- unsigned int channels,
- unsigned int o,
- unsigned int coeff,
- unsigned int target_bright,
- unsigned int target_dark)
-{
- unsigned int x, i, j, br, dk, res, avgpixels, basepixels, val;
- unsigned int fill,factor;
-
- DBG(DBG_info, "%s: pixels=%d, offset=%d\n", __func__, pixels_per_line, o);
-
- /* initialize result */
- memset (shading_data, 0xff, words_per_color * 3 * 2);
-
- /*
- strangely i can write 0x20000 bytes beginning at 0x00000 without overwriting
- slope tables - which begin at address 0x10000(for 1200dpi hw mode):
- memory is organized in words(2 bytes) instead of single bytes. explains
- quite some things
- */
-/*
- another one: the dark/white shading is actually performed _after_ reducing
- resolution via averaging. only dark/white shading data for what would be
- first pixel at full resolution is used.
- */
-/*
- scanner raw input to output value calculation:
- o=(i-off)*(gain/coeff)
-
- from datasheet:
- off=dark_average
- gain=coeff*bright_target/(bright_average-dark_average)
- works for dark_target==0
-
- what we want is these:
- bright_target=(bright_average-off)*(gain/coeff)
- dark_target=(dark_average-off)*(gain/coeff)
- leading to
- off = (dark_average*bright_target - bright_average*dark_target)/(bright_target - dark_target)
- gain = (bright_target - dark_target)/(bright_average - dark_average)*coeff
- */
- res = dev->settings.xres;
-
- if (sensor.get_ccd_size_divisor_for_dpi(dev->settings.xres) > 1)
- {
- res *= 2;
- }
-
- /* this should be evenly dividable */
- basepixels = sensor.optical_res / res;
-
- /* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
- if (basepixels < 1)
- avgpixels = 1;
- else if (basepixels < 6)
- avgpixels = basepixels;
- else if (basepixels < 8)
- avgpixels = 6;
- else if (basepixels < 10)
- avgpixels = 8;
- else if (basepixels < 12)
- avgpixels = 10;
- else if (basepixels < 15)
- avgpixels = 12;
- else
- avgpixels = 15;
-
- /* LiDE80 packs shading data */
- if(dev->model->ccd_type != CIS_CANONLIDE80)
- {
- factor=1;
- fill=avgpixels;
- }
- else
- {
- factor=avgpixels;
- fill=1;
- }
-
- DBG(DBG_info, "%s: averaging over %d pixels\n", __func__, avgpixels);
- DBG(DBG_info, "%s: packing factor is %d\n", __func__, factor);
- DBG(DBG_info, "%s: fill length is %d\n", __func__, fill);
-
- for (x = 0; x <= pixels_per_line - avgpixels; x += avgpixels)
- {
- if ((x + o) * 2 * 2 + 3 > words_per_color * 2)
- break;
-
- for (j = 0; j < channels; j++)
- {
-
- dk = 0;
- br = 0;
- for (i = 0; i < avgpixels; i++)
- {
- /* dark data */
- dk +=
- (dev->dark_average_data[(x + i +
- pixels_per_line * j) *
- 2] |
- (dev->dark_average_data
- [(x + i + pixels_per_line * j) * 2 + 1] << 8));
-
- /* white data */
- br +=
- (dev->white_average_data[(x + i +
- pixels_per_line * j) *
- 2] |
- (dev->white_average_data
- [(x + i + pixels_per_line * j) * 2 + 1] << 8));
- }
-
- br /= avgpixels;
- dk /= avgpixels;
-
- if (br * target_dark > dk * target_bright)
- val = 0;
- else if (dk * target_bright - br * target_dark >
- 65535 * (target_bright - target_dark))
- val = 65535;
- else
- {
- val = (dk * target_bright - br * target_dark) / (target_bright - target_dark);
- }
-
- /*fill all pixels, even if only the last one is relevant*/
- for (i = 0; i < fill; i++)
- {
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j] = val & 0xff;
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 1] = val >> 8;
- }
-
- val = br - dk;
-
- if (65535 * val > (target_bright - target_dark) * coeff)
- {
- val = (coeff * (target_bright - target_dark)) / val;
- }
- else
- {
- val = 65535;
- }
-
- /*fill all pixels, even if only the last one is relevant*/
- for (i = 0; i < fill; i++)
- {
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 2] = val & 0xff;
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 3] = val >> 8;
- }
- }
-
- /* fill remaining channels */
- for (j = channels; j < 3; j++)
- {
- for (i = 0; i < fill; i++)
- {
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j ] = shading_data[(x/factor + o + i) * 2 * 2 ];
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 1] = shading_data[(x/factor + o + i) * 2 * 2 + 1];
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 2] = shading_data[(x/factor + o + i) * 2 * 2 + 2];
- shading_data[(x/factor + o + i) * 2 * 2 + words_per_color * 2 * j + 3] = shading_data[(x/factor + o + i) * 2 * 2 + 3];
- }
- }
- }
-}
-
-/**
- * Computes shading coefficient using formula in data sheet. 16bit data values
- * manipulated here are little endian. For now we assume deletion scanning type
- * and that there is always 3 channels.
- * @param dev scanner's device
- * @param shading_data memory area where to store the computed shading coefficients
- * @param pixels_per_line number of pixels per line
- * @param channels number of color channels (actually 1 or 3)
- * @param cmat color transposition matrix
- * @param offset shading coefficients left offset
- * @param coeff 4000h or 2000h depending on fast scan mode or not
- * @param target value of the target code
- */
-static void
-compute_coefficients (Genesys_Device * dev,
- uint8_t * shading_data,
- unsigned int pixels_per_line,
- unsigned int channels,
- unsigned int cmat[3],
- int offset,
- unsigned int coeff,
- unsigned int target)
-{
- uint8_t *ptr; /* contain 16bit words in little endian */
- unsigned int x, c;
- unsigned int val, br, dk;
- unsigned int start, end;
-
- DBG(DBG_io, "%s: pixels_per_line=%d, coeff=0x%04x\n", __func__, pixels_per_line, coeff);
-
- /* compute start & end values depending of the offset */
- if (offset < 0)
- {
- start = -1 * offset;
- end = pixels_per_line;
- }
- else
- {
- start = 0;
- end = pixels_per_line - offset;
- }
-
- for (c = 0; c < channels; c++)
- {
- for (x = start; x < end; x++)
- {
- /* TODO if channels=1 , use filter to know the base addr */
- ptr = shading_data + 4 * ((x + offset) * channels + cmat[c]);
-
- /* dark data */
- dk = dev->dark_average_data[x * 2 * channels + c * 2];
- dk += 256 * dev->dark_average_data[x * 2 * channels + c * 2 + 1];
-
- /* white data */
- br = dev->white_average_data[x * 2 * channels + c * 2];
- br += 256 * dev->white_average_data[x * 2 * channels + c * 2 + 1];
-
- /* compute coeff */
- val=compute_coefficient(coeff,target,br-dk);
-
- /* assign it */
- ptr[0] = dk & 255;
- ptr[1] = dk / 256;
- ptr[2] = val & 0xff;
- ptr[3] = val / 256;
-
- }
- }
-}
-
-/**
- * Computes shading coefficient using formula in data sheet. 16bit data values
- * manipulated here are little endian. Data is in planar form, ie grouped by
- * lines of the same color component.
- * @param dev scanner's device
- * @param shading_data memory area where to store the computed shading coefficients
- * @param factor averaging factor when the calibration scan is done at a higher resolution
- * than the final scan
- * @param pixels_per_line number of pixels per line
- * @param words_per_color total number of shading data words for one color element
- * @param channels number of color channels (actually 1 or 3)
- * @param cmat transcoding matrix for color channel order
- * @param offset shading coefficients left offset
- * @param coeff 4000h or 2000h depending on fast scan mode or not
- * @param target white target value
- */
-static void
-compute_planar_coefficients (Genesys_Device * dev,
- uint8_t * shading_data,
- unsigned int factor,
- unsigned int pixels_per_line,
- unsigned int words_per_color,
- unsigned int channels,
- unsigned int cmat[3],
- unsigned int offset,
- unsigned int coeff,
- unsigned int target)
-{
- uint8_t *ptr; /* contains 16bit words in little endian */
- uint32_t x, c, i;
- uint32_t val, dk, br;
-
- DBG(DBG_io, "%s: factor=%d, pixels_per_line=%d, words=0x%X, coeff=0x%04x\n", __func__, factor,
- pixels_per_line, words_per_color, coeff);
- for (c = 0; c < channels; c++)
- {
- /* shading data is larger than pixels_per_line so offset can be neglected */
- for (x = 0; x < pixels_per_line; x+=factor)
- {
- /* x2 because of 16 bit values, and x2 since one coeff for dark
- * and another for white */
- ptr = shading_data + words_per_color * cmat[c] * 2 + (x + offset) * 4;
-
- dk = 0;
- br = 0;
-
- /* average case */
- for(i=0;i<factor;i++)
- {
- dk +=
- 256 * dev->dark_average_data[((x+i) + pixels_per_line * c) * 2 + 1];
- dk += dev->dark_average_data[((x+i) + pixels_per_line * c) * 2];
- br +=
- 256 * dev->white_average_data[((x+i) + pixels_per_line * c) * 2 + 1];
- br += dev->white_average_data[((x+i) + pixels_per_line * c) * 2];
- }
- dk /= factor;
- br /= factor;
-
- val = compute_coefficient (coeff, target, br - dk);
-
- /* we duplicate the information to have calibration data at optical resolution */
- for (i = 0; i < factor; i++)
- {
- ptr[0 + 4 * i] = dk & 255;
- ptr[1 + 4 * i] = dk / 256;
- ptr[2 + 4 * i] = val & 0xff;
- ptr[3 + 4 * i] = val / 256;
- }
- }
- }
- /* in case of gray level scan, we duplicate shading information on all
- * three color channels */
- if(channels==1)
- {
- memcpy(shading_data+cmat[1]*2*words_per_color,
- shading_data+cmat[0]*2*words_per_color,
- words_per_color*2);
- memcpy(shading_data+cmat[2]*2*words_per_color,
- shading_data+cmat[0]*2*words_per_color,
- words_per_color*2);
- }
-}
-
-static void
-compute_shifted_coefficients (Genesys_Device * dev,
- const Genesys_Sensor& sensor,
- uint8_t * shading_data,
- unsigned int pixels_per_line,
- unsigned int channels,
- unsigned int cmat[3],
- int offset,
- unsigned int coeff,
- unsigned int target_dark,
- unsigned int target_bright,
- unsigned int patch_size) /* contigous extent */
-{
- unsigned int x, avgpixels, basepixels, i, j, val1, val2;
- unsigned int br_tmp [3], dk_tmp [3];
- uint8_t *ptr = shading_data + offset * 3 * 4; /* contain 16bit words in little endian */
- unsigned int patch_cnt = offset * 3; /* at start, offset of first patch */
-
- x = dev->settings.xres;
- if (sensor.get_ccd_size_divisor_for_dpi(dev->settings.xres) > 1)
- x *= 2; /* scanner is using half-ccd mode */
- basepixels = sensor.optical_res / x; /*this should be evenly dividable */
-
- /* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
- if (basepixels < 1)
- avgpixels = 1;
- else if (basepixels < 6)
- avgpixels = basepixels;
- else if (basepixels < 8)
- avgpixels = 6;
- else if (basepixels < 10)
- avgpixels = 8;
- else if (basepixels < 12)
- avgpixels = 10;
- else if (basepixels < 15)
- avgpixels = 12;
- else
- avgpixels = 15;
- DBG(DBG_info, "%s: pixels_per_line=%d, coeff=0x%04x, averaging over %d pixels\n", __func__,
- pixels_per_line, coeff, avgpixels);
-
- for (x = 0; x <= pixels_per_line - avgpixels; x += avgpixels) {
- memset (&br_tmp, 0, sizeof(br_tmp));
- memset (&dk_tmp, 0, sizeof(dk_tmp));
-
- for (i = 0; i < avgpixels; i++) {
- for (j = 0; j < channels; j++) {
- br_tmp[j] += (dev->white_average_data[((x + i) * channels + j) * 2] |
- (dev->white_average_data[((x + i) * channels + j) * 2 + 1] << 8));
- dk_tmp[i] += (dev->dark_average_data[((x + i) * channels + j) * 2] |
- (dev->dark_average_data[((x + i) * channels + j) * 2 + 1] << 8));
- }
- }
- for (j = 0; j < channels; j++) {
- br_tmp[j] /= avgpixels;
- dk_tmp[j] /= avgpixels;
-
- if (br_tmp[j] * target_dark > dk_tmp[j] * target_bright)
- val1 = 0;
- else if (dk_tmp[j] * target_bright - br_tmp[j] * target_dark > 65535 * (target_bright - target_dark))
- val1 = 65535;
- else
- val1 = (dk_tmp[j] * target_bright - br_tmp[j] * target_dark) / (target_bright - target_dark);
-
- val2 = br_tmp[j] - dk_tmp[j];
- if (65535 * val2 > (target_bright - target_dark) * coeff)
- val2 = (coeff * (target_bright - target_dark)) / val2;
- else
- val2 = 65535;
-
- br_tmp[j] = val1;
- dk_tmp[j] = val2;
- }
- for (i = 0; i < avgpixels; i++) {
- for (j = 0; j < channels; j++) {
- * ptr++ = br_tmp[ cmat[j] ] & 0xff;
- * ptr++ = br_tmp[ cmat[j] ] >> 8;
- * ptr++ = dk_tmp[ cmat[j] ] & 0xff;
- * ptr++ = dk_tmp[ cmat[j] ] >> 8;
- patch_cnt++;
- if (patch_cnt == patch_size) {
- patch_cnt = 0;
- val1 = cmat[2];
- cmat[2] = cmat[1];
- cmat[1] = cmat[0];
- cmat[0] = val1;
- }
- }
- }
- }
-}
-
-static SANE_Status
-genesys_send_shading_coefficient(Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- uint32_t pixels_per_line;
- uint8_t channels;
- int o;
- unsigned int length; /**> number of shading calibration data words */
- unsigned int factor;
- unsigned int cmat[3]; /**> matrix of color channels */
- unsigned int coeff, target_code, words_per_color = 0;
-
- DBGSTART;
-
- pixels_per_line = dev->calib_pixels + dev->calib_pixels_offset;
- channels = dev->calib_channels;
-
- /* we always build data for three channels, even for gray
- * we make the shading data such that each color channel data line is contiguous
- * to the next one, which allow to write the 3 channels in 1 write
- * during genesys_send_shading_coefficient, some values are words, other bytes
- * hence the x2 factor */
- switch (dev->reg.get8(0x05) >> 6)
- {
- /* 600 dpi */
- case 0:
- words_per_color = 0x2a00;
- break;
- /* 1200 dpi */
- case 1:
- words_per_color = 0x5500;
- break;
- /* 2400 dpi */
- case 2:
- words_per_color = 0xa800;
- break;
- /* 4800 dpi */
- case 3:
- words_per_color = 0x15000;
- break;
- }
-
- /* special case, memory is aligned on 0x5400, this has yet to be explained */
- /* could be 0xa800 because sensor is truly 2400 dpi, then halved because
- * we only set 1200 dpi */
- if(dev->model->ccd_type==CIS_CANONLIDE80)
- {
- words_per_color = 0x5400;
- }
-
- length = words_per_color * 3 * 2;
-
- /* allocate computed size */
- // contains 16bit words in little endian
- std::vector<uint8_t> shading_data(length, 0);
-
- /* TARGET/(Wn-Dn) = white gain -> ~1.xxx then it is multiplied by 0x2000
- or 0x4000 to give an integer
- Wn = white average for column n
- Dn = dark average for column n
- */
- if (dev->model->cmd_set->get_gain4_bit(&dev->calib_reg))
- coeff = 0x4000;
- else
- coeff = 0x2000;
-
- /* compute avg factor */
- if(dev->settings.xres>sensor.optical_res)
- {
- factor=1;
- }
- else
- {
- factor=sensor.optical_res/dev->settings.xres;
- }
-
- /* for GL646, shading data is planar if REG01_FASTMOD is set and
- * chunky if not. For now we rely on the fact that we know that
- * each sensor is used only in one mode. Currently only the CIS_XP200
- * sets REG01_FASTMOD.
- */
-
- /* TODO setup a struct in genesys_devices that
- * will handle these settings instead of having this switch growing up */
- cmat[0] = 0;
- cmat[1] = 1;
- cmat[2] = 2;
- switch (dev->model->ccd_type)
- {
- case CCD_XP300:
- case CCD_ROADWARRIOR:
- case CCD_DP665:
- case CCD_DP685:
- case CCD_DSMOBILE600:
- target_code = 0xdc00;
- o = 4;
- compute_planar_coefficients (dev,
- shading_data.data(),
- factor,
- pixels_per_line,
- words_per_color,
- channels,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CIS_XP200:
- target_code = 0xdc00;
- o = 2;
- cmat[0] = 2; /* red is last */
- cmat[1] = 0; /* green is first */
- cmat[2] = 1; /* blue is second */
- compute_planar_coefficients (dev,
- shading_data.data(),
- 1,
- pixels_per_line,
- words_per_color,
- channels,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CCD_HP2300:
- target_code = 0xdc00;
- o = 2;
- if(dev->settings.xres<=sensor.optical_res/2)
- {
- o = o - sensor.dummy_pixel / 2;
- }
- compute_coefficients (dev,
- shading_data.data(),
- pixels_per_line,
- 3,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CCD_5345:
- target_code = 0xe000;
- o = 4;
- if(dev->settings.xres<=sensor.optical_res/2)
- {
- o = o - sensor.dummy_pixel;
- }
- compute_coefficients (dev,
- shading_data.data(),
- pixels_per_line,
- 3,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CCD_HP3670:
- case CCD_HP2400:
- target_code = 0xe000;
- /* offset is cksel dependent, but we can't use this in common code */
- if(dev->settings.xres<=300)
- {
- o = -10; /* OK for <=300 */
- }
- else if(dev->settings.xres<=600)
- {
- o = -6; /* ok at 600 */
- }
- else
- {
- o = +2;
- }
- compute_coefficients (dev,
- shading_data.data(),
- pixels_per_line,
- 3,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CCD_KVSS080:
- case CCD_PLUSTEK3800:
- case CCD_G4050:
- case CCD_CS4400F:
- case CCD_CS8400F:
- case CCD_CS8600F:
- target_code = 0xe000;
- o = 0;
- compute_coefficients (dev,
- shading_data.data(),
- pixels_per_line,
- 3,
- cmat,
- o,
- coeff,
- target_code);
- break;
- case CIS_CANONLIDE700:
- case CIS_CANONLIDE100:
- case CIS_CANONLIDE200:
- case CIS_CANONLIDE110:
- case CIS_CANONLIDE120:
- case CIS_CANONLIDE210:
- case CIS_CANONLIDE220:
- /* TODO store this in a data struct so we avoid
- * growing this switch */
- switch(dev->model->ccd_type)
- {
- case CIS_CANONLIDE110:
- case CIS_CANONLIDE120:
- case CIS_CANONLIDE210:
- case CIS_CANONLIDE220:
- target_code = 0xf000;
- break;
- case CIS_CANONLIDE700:
- target_code = 0xc000; /* from experimentation */
- break;
- default:
- target_code = 0xdc00;
- }
- words_per_color=pixels_per_line*2;
- length = words_per_color * 3 * 2;
- shading_data.clear();
- shading_data.resize(length, 0);
- compute_planar_coefficients (dev,
- shading_data.data(),
- 1,
- pixels_per_line,
- words_per_color,
- channels,
- cmat,
- 0,
- coeff,
- target_code);
- break;
- case CCD_CANONLIDE35:
- compute_averaged_planar (dev, sensor,
- shading_data.data(),
- pixels_per_line,
- words_per_color,
- channels,
- 4,
- coeff,
- 0xe000,
- 0x0a00);
- break;
- case CIS_CANONLIDE80:
- compute_averaged_planar (dev, sensor,
- shading_data.data(),
- pixels_per_line,
- words_per_color,
- channels,
- 0,
- coeff,
- 0xe000,
- 0x0800);
- break;
- case CCD_PLUSTEK_3600:
- compute_shifted_coefficients (dev, sensor,
- shading_data.data(),
- pixels_per_line,
- channels,
- cmat,
- 12, /* offset */
- coeff,
- 0x0001, /* target_dark */
- 0xf900, /* target_bright */
- 256); /* patch_size: contigous extent */
- break;
- default:
- DBG (DBG_error, "%s: sensor %d not supported\n", __func__, dev->model->ccd_type);
- return SANE_STATUS_UNSUPPORTED;
- break;
- }
-
- /* do the actual write of shading calibration data to the scanner */
- status = genesys_send_offset_and_shading (dev, sensor, shading_data.data(), length);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to send shading data: %s\n", __func__,
- sane_strstatus (status));
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/**
- * search calibration cache list for an entry matching required scan.
- * If one is found, set device calibration with it
- * @param dev scanner's device
- * @return false if no matching cache entry has been
- * found, true if one has been found and used.
- */
-static bool
-genesys_restore_calibration(Genesys_Device * dev, Genesys_Sensor& sensor)
-{
- DBGSTART;
-
- /* if no cache or no function to evaluate cache entry ther can be no match */
- if (!dev->model->cmd_set->is_compatible_calibration
- || dev->calibration_cache.empty())
- return false;
-
- /* we walk the link list of calibration cache in search for a
- * matching one */
- for (auto& cache : dev->calibration_cache)
- {
- if (dev->model->cmd_set->is_compatible_calibration(dev, sensor, &cache, SANE_FALSE))
- {
- dev->frontend = cache.frontend;
- /* we don't restore the gamma fields */
- sensor.exposure = cache.sensor.exposure;
-
- dev->average_size = cache.average_size;
- dev->calib_pixels = cache.calib_pixels;
- dev->calib_channels = cache.calib_channels;
-
- dev->dark_average_data = cache.dark_average_data;
- dev->white_average_data = cache.white_average_data;
-
- if(dev->model->cmd_set->send_shading_data==NULL)
- {
- TIE(genesys_send_shading_coefficient(dev, sensor));
- }
-
- DBG(DBG_proc, "%s: restored\n", __func__);
- return true;
- }
- }
- DBG(DBG_proc, "%s: completed(nothing found)\n", __func__);
- return false;
-}
-
-
-static SANE_Status
-genesys_save_calibration (Genesys_Device * dev, const Genesys_Sensor& sensor)
-{
-#ifdef HAVE_SYS_TIME_H
- struct timeval time;
-#endif
-
- DBGSTART;
-
- if (!dev->model->cmd_set->is_compatible_calibration)
- return SANE_STATUS_UNSUPPORTED;
-
- auto found_cache_it = dev->calibration_cache.end();
- for (auto cache_it = dev->calibration_cache.begin(); cache_it != dev->calibration_cache.end();
- cache_it++)
- {
- if (dev->model->cmd_set->is_compatible_calibration(dev, sensor, &*cache_it, SANE_TRUE))
- {
- found_cache_it = cache_it;
- break;
- }
- }
-
- /* if we found on overridable cache, we reuse it */
- if (found_cache_it == dev->calibration_cache.end())
- {
- /* create a new cache entry and insert it in the linked list */
- dev->calibration_cache.push_back(Genesys_Calibration_Cache());
- found_cache_it = std::prev(dev->calibration_cache.end());
- }
-
- found_cache_it->average_size = dev->average_size;
-
- found_cache_it->dark_average_data = dev->dark_average_data;
- found_cache_it->white_average_data = dev->white_average_data;
-
- found_cache_it->used_setup = dev->current_setup;
- found_cache_it->frontend = dev->frontend;
- found_cache_it->sensor = sensor;
-
- found_cache_it->calib_pixels = dev->calib_pixels;
- found_cache_it->calib_channels = dev->calib_channels;
-
-#ifdef HAVE_SYS_TIME_H
- gettimeofday(&time,NULL);
- found_cache_it->last_calibration = time.tv_sec;
-#endif
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/**
- * does the calibration process for a flatbed scanner
- * - offset calibration
- * - gain calibration
- * - shading calibration
- * @param dev device to calibrate
- * @return SANE_STATUS_GOOD if everything when all right, else the error code.
- */
-static SANE_Status
-genesys_flatbed_calibration(Genesys_Device * dev, Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- uint32_t pixels_per_line;
- int yres;
-
- DBG(DBG_info, "%s\n", __func__);
-
- yres = sensor.optical_res;
- if (dev->settings.yres <= sensor.optical_res / 2)
- yres /= 2;
-
- if (dev->model->model_id == MODEL_CANON_CANOSCAN_8600F)
- yres = 1200;
-
- /* do offset calibration if needed */
- if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION)
- {
- status = dev->model->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: offset calibration failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* since all the registers are set up correctly, just use them */
- status = dev->model->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, yres);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: coarse gain calibration: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- }
- else
- /* since we have 2 gain calibration proc, skip second if first one was
- used. */
- {
- status = dev->model->cmd_set->init_regs_for_coarse_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send calibration registers: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- status = genesys_coarse_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do coarse gain calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- }
-
- if (dev->model->is_cis)
- {
- /* the afe now sends valid data for doing led calibration */
- status = dev->model->cmd_set->led_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: led calibration failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* calibrate afe again to match new exposure */
- if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION)
- {
- status = dev->model->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: offset calibration failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* since all the registers are set up correctly, just use them */
-
- status = dev->model->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, yres);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: coarse gain calibration: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
- else
- /* since we have 2 gain calibration proc, skip second if first one was
- used. */
- {
- status = dev->model->cmd_set->init_regs_for_coarse_calibration(dev, sensor,
- dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send calibration registers: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- status = genesys_coarse_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do static calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
- }
-
- /* we always use sensor pixel number when the ASIC can't handle multi-segments sensor */
- if (!(dev->model->flags & GENESYS_FLAG_SIS_SENSOR))
- {
- pixels_per_line = (SANE_UNFIX (dev->model->x_size) * dev->settings.xres) / MM_PER_INCH;
- }
- else
- {
- pixels_per_line = sensor.sensor_pixels;
- }
-
- /* send default shading data */
- status = sanei_genesys_init_shading_data(dev, sensor, pixels_per_line);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to init shading process: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- if (dev->settings.scan_method == ScanMethod::TRANSPARENCY) {
- RIE(dev->model->cmd_set->move_to_ta(dev));
- }
-
- /* shading calibration */
- status = dev->model->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading registers: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- if (dev->model->flags & GENESYS_FLAG_DARK_WHITE_CALIBRATION)
- {
- status = genesys_dark_white_shading_calibration (dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do dark+white shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
- else
- {
- if (dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION)
- {
- status = genesys_dark_shading_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do dark shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- status = genesys_white_shading_calibration (dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do white shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- if(dev->model->cmd_set->send_shading_data==NULL)
- {
- status = genesys_send_shading_coefficient(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading calibration coefficients: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- DBG(DBG_info, "%s: completed\n", __func__);
-
- return SANE_STATUS_GOOD;
-}
-
-/**
- * Does the calibration process for a sheetfed scanner
- * - offset calibration
- * - gain calibration
- * - shading calibration
- * During calibration a predefined calibration sheet with specific black and white
- * areas is used.
- * @param dev device to calibrate
- * @return SANE_STATUS_GOOD if everything when all right, else the error code.
- */
-static SANE_Status genesys_sheetfed_calibration(Genesys_Device * dev, Genesys_Sensor& sensor)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Bool forward = SANE_TRUE;
- int xres;
-
- DBGSTART;
- if (dev->model->cmd_set->search_strip == NULL)
- {
- DBG(DBG_error, "%s: no strip searching function available\n", __func__);
- return SANE_STATUS_UNSUPPORTED;
- }
-
- /* first step, load document */
- status = dev->model->cmd_set->load_document (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to load document: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
-
- DBG(DBG_info, "%s\n", __func__);
-
- /* led, offset and gain calibration are influenced by scan
- * settings. So we set it to sensor resolution */
- xres = sensor.optical_res;
- dev->settings.xres = sensor.optical_res;
- /* XP200 needs to calibrate a full and half sensor's resolution */
- if (dev->model->ccd_type == CIS_XP200
- && dev->settings.xres <= sensor.optical_res / 2)
- dev->settings.xres /= 2;
-
- /* the afe needs to sends valid data even before calibration */
-
- /* go to a white area */
- try {
- status = dev->model->cmd_set->search_strip(dev, sensor, forward, SANE_FALSE);
- if (status != SANE_STATUS_GOOD) {
- DBG(DBG_error, "%s: failed to find white strip: %s\n", __func__,
- sane_strstatus(status));
- dev->model->cmd_set->eject_document (dev);
- return status;
- }
- } catch (...) {
- dev->model->cmd_set->eject_document(dev);
- throw;
- }
-
- if (dev->model->is_cis)
- {
- status = dev->model->cmd_set->led_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: led calibration failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
-
- /* calibrate afe */
- if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION)
- {
- status = dev->model->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: offset calibration failed: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* since all the registers are set up correctly, just use them */
-
- status = dev->model->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, xres);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: coarse gain calibration: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
- else
- /* since we have 2 gain calibration proc, skip second if first one was
- used. */
- {
- status = dev->model->cmd_set->init_regs_for_coarse_calibration(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send calibration registers: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- status = genesys_coarse_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do static calibration: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
-
- /* search for a full width black strip and then do a 16 bit scan to
- * gather black shading data */
- if (dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION)
- {
- /* seek black/white reverse/forward */
- try {
- status = dev->model->cmd_set->search_strip(dev, sensor, forward, SANE_TRUE);
- if (status != SANE_STATUS_GOOD) {
- DBG(DBG_error, "%s: failed to find black strip: %s\n", __func__,
- sane_strstatus(status));
- dev->model->cmd_set->eject_document(dev);
- return status;
- }
- } catch (...) {
- dev->model->cmd_set->eject_document(dev);
- throw;
- }
-
- status = dev->model->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do set up registers for shading calibration: %s\n",
- __func__, sane_strstatus(status));
- return status;
- }
- try {
- status = genesys_dark_shading_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD) {
- dev->model->cmd_set->eject_document(dev);
- DBG(DBG_error, "%s: failed to do dark shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- } catch (...) {
- dev->model->cmd_set->eject_document(dev);
- throw;
- }
- forward = SANE_FALSE;
- }
-
-
- /* go to a white area */
- try {
- status = dev->model->cmd_set->search_strip(dev, sensor, forward, SANE_FALSE);
- if (status != SANE_STATUS_GOOD) {
- DBG(DBG_error, "%s: failed to find white strip: %s\n", __func__,
- sane_strstatus(status));
- dev->model->cmd_set->eject_document (dev);
- return status;
- }
- } catch (...) {
- dev->model->cmd_set->eject_document (dev);
- throw;
- }
-
- status = dev->model->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do set up registers for shading calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- try {
- status = genesys_white_shading_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD) {
- dev->model->cmd_set->eject_document(dev);
- DBG(DBG_error, "%s: failed eject target: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- } catch (...) {
- dev->model->cmd_set->eject_document (dev);
- throw;
- }
-
- /* in case we haven't black shading data, build it from black pixels
- * of white calibration */
- if (!(dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION))
- {
- dev->dark_average_data.clear();
- dev->dark_average_data.resize(dev->average_size, 0x0f);
- /* XXX STEF XXX
- * with black point in white shading, build an average black
- * pixel and use it to fill the dark_average
- * dev->calib_pixels
- (sensor.sensor_pixels * dev->settings.xres) / sensor.optical_res,
- dev->calib_lines,
- */
- }
-
- /* send the shading coefficient when doing whole line shading
- * but not when using SHDAREA like GL124 */
- if(dev->model->cmd_set->send_shading_data==NULL)
- {
- status = genesys_send_shading_coefficient(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading calibration coefficients: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- /* save the calibration data */
- genesys_save_calibration (dev, sensor);
-
- /* and finally eject calibration sheet */
- status = dev->model->cmd_set->eject_document (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to eject document: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* resotre settings */
- dev->settings.xres = xres;
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/**
- * does the calibration process for a device
- * @param dev device to calibrate
- */
-static SANE_Status
-genesys_scanner_calibration(Genesys_Device * dev, Genesys_Sensor& sensor)
-{
- if (dev->model->is_sheetfed == SANE_FALSE)
- {
- return genesys_flatbed_calibration (dev, sensor);
- }
- return genesys_sheetfed_calibration(dev, sensor);
-}
-
-/* unused function kept in case it may be usefull in the futur */
-#if 0
-static SANE_Status
-genesys_wait_not_moving (Genesys_Device * dev, int mseconds)
-{
- uint8_t value;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBG(DBG_proc, "%s: waiting %d mseconds for motor to stop\n", __func__, mseconds);
- while (mseconds > 0)
- {
- RIE (sanei_genesys_get_status (dev, &value));
-
- if (dev->model->cmd_set->test_motor_flag_bit (value))
- {
- sanei_genesys_sleep_ms(100);
- mseconds -= 100;
- DBG(DBG_io, "%s: motor is moving, %d mseconds to go\n", __func__, mseconds);
- }
- else
- {
- DBG(DBG_info, "%s: motor is not moving, exiting\n", __func__);
- return SANE_STATUS_GOOD;
- }
-
- }
- DBG(DBG_error, "%s: motor is still moving, timeout exceeded\n", __func__);
- return SANE_STATUS_DEVICE_BUSY;
-}
-#endif
-
-
-/* ------------------------------------------------------------------------ */
-/* High level (exported) functions */
-/* ------------------------------------------------------------------------ */
-
-/*
- * wait lamp to be warm enough by scanning the same line until
- * differences between two scans are below a threshold
- */
-static SANE_Status
-genesys_warmup_lamp (Genesys_Device * dev)
-{
- int seconds = 0;
- int pixel;
- int channels, total_size;
- double first_average = 0;
- double second_average = 0;
- int difference = 255;
- int empty, lines = 3;
- SANE_Status status = SANE_STATUS_IO_ERROR;
-
- DBGSTART;
-
- /* check if the current chipset implements warmup */
- if(dev->model->cmd_set->init_regs_for_warmup==NULL)
- {
- DBG(DBG_error,"%s: init_regs_for_warmup not implemented\n", __func__);
- return status;
- }
-
- const auto& sensor = sanei_genesys_find_sensor_any(dev);
-
- dev->model->cmd_set->init_regs_for_warmup(dev, sensor, &dev->reg, &channels, &total_size);
- std::vector<uint8_t> first_line(total_size);
- std::vector<uint8_t> second_line(total_size);
-
- do
- {
- DBG(DBG_info, "%s: one more loop\n", __func__);
- RIE(dev->model->cmd_set->begin_scan(dev, sensor, &dev->reg, SANE_FALSE));
- do
- {
- sanei_genesys_test_buffer_empty (dev, &empty);
- }
- while (empty);
-
- try {
- status = sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size);
- if (status != SANE_STATUS_GOOD) {
- RIE(sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size));
- }
- } catch (...) {
- RIE(sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size));
- }
-
- RIE(dev->model->cmd_set->end_scan(dev, &dev->reg, SANE_TRUE));
-
- sanei_genesys_sleep_ms(1000);
- seconds++;
-
- RIE(dev->model->cmd_set->begin_scan(dev, sensor, &dev->reg, SANE_FALSE));
- do
- {
- sanei_genesys_test_buffer_empty (dev, &empty);
- sanei_genesys_sleep_ms(100);
- }
- while (empty);
- RIE(sanei_genesys_read_data_from_scanner (dev, second_line.data(), total_size));
- RIE(dev->model->cmd_set->end_scan(dev, &dev->reg, SANE_TRUE));
-
- /* compute difference between the two scans */
- for (pixel = 0; pixel < total_size; pixel++)
- {
- /* 16 bit data */
- if (dev->model->cmd_set->get_bitset_bit(&dev->reg))
- {
- first_average += (first_line[pixel] + first_line[pixel + 1] * 256);
- second_average += (second_line[pixel] + second_line[pixel + 1] * 256);
- pixel++;
- }
- else
- {
- first_average += first_line[pixel];
- second_average += second_line[pixel];
- }
- }
- if (dev->model->cmd_set->get_bitset_bit(&dev->reg))
- {
- first_average /= pixel;
- second_average /= pixel;
- difference = fabs (first_average - second_average);
- DBG(DBG_info, "%s: average = %.2f, diff = %.3f\n", __func__,
- 100 * ((second_average) / (256 * 256)),
- 100 * (difference / second_average));
-
- if (second_average > (100 * 256)
- && (difference / second_average) < 0.002)
- break;
- }
- else
- {
- first_average /= pixel;
- second_average /= pixel;
- if (DBG_LEVEL >= DBG_data)
- {
- sanei_genesys_write_pnm_file("gl_warmup1.pnm", first_line.data(), 8, channels,
- total_size / (lines * channels), lines);
- sanei_genesys_write_pnm_file("gl_warmup2.pnm", second_line.data(), 8, channels,
- total_size / (lines * channels), lines);
- }
- DBG(DBG_info, "%s: average 1 = %.2f, average 2 = %.2f\n", __func__, first_average,
- second_average);
- /* if delta below 15/255 ~= 5.8%, lamp is considred warm enough */
- if (fabs (first_average - second_average) < 15
- && second_average > 55)
- break;
- }
-
- /* sleep another second before next loop */
- sanei_genesys_sleep_ms(1000);
- seconds++;
- }
- while (seconds < WARMUP_TIME);
-
- if (seconds >= WARMUP_TIME)
- {
- DBG(DBG_error, "%s: warmup timed out after %d seconds. Lamp defective?\n", __func__, seconds);
- status = SANE_STATUS_IO_ERROR;
- }
- else
- {
- DBG(DBG_info, "%s: warmup succeeded after %d seconds\n", __func__, seconds);
- }
-
- DBGCOMPLETED;
-
- return status;
-}
-
-
-/* High-level start of scanning */
-static SANE_Status
-genesys_start_scan (Genesys_Device * dev, SANE_Bool lamp_off)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- unsigned int steps, expected;
- SANE_Bool empty;
-
- DBGSTART;
-
- /* since not all scanners are set ot wait for head to park
- * we check we are not still parking before starting a new scan */
- if (dev->parking == SANE_TRUE)
- {
- status = sanei_genesys_wait_for_home (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to wait for head to park: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- /* disable power saving*/
- status = dev->model->cmd_set->save_power (dev, SANE_FALSE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to disable power saving mode: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- /* wait for lamp warmup : until a warmup for TRANSPARENCY is designed, skip
- * it when scanning from XPA. */
- if (!(dev->model->flags & GENESYS_FLAG_SKIP_WARMUP)
- && (dev->settings.scan_method == ScanMethod::FLATBED))
- {
- RIE (genesys_warmup_lamp (dev));
- }
-
- /* set top left x and y values by scanning the internals if flatbed scanners */
- if (dev->model->is_sheetfed == SANE_FALSE)
- {
- /* do the geometry detection only once */
- if ((dev->model->flags & GENESYS_FLAG_SEARCH_START)
- && (dev->model->y_offset_calib == 0))
- {
- status = dev->model->cmd_set->search_start_position (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to search start position: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- dev->parking = SANE_FALSE;
- status = dev->model->cmd_set->slow_back_home (dev, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to move scanhead to home position: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- dev->scanhead_position_in_steps = 0;
- }
- else
- {
- /* Go home */
- /* TODO: check we can drop this since we cannot have the
- scanner's head wandering here */
- dev->parking = SANE_FALSE;
- status = dev->model->cmd_set->slow_back_home (dev, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to move scanhead to home position: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- dev->scanhead_position_in_steps = 0;
- }
- }
-
- /* move to calibration area for transparency adapter */
- if ((dev->settings.scan_method == ScanMethod::TRANSPARENCY)
- && dev->model->cmd_set->move_to_ta != NULL)
- {
- status=dev->model->cmd_set->move_to_ta(dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to move to start of transparency adapter: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- /* load document if needed (for sheetfed scanner for instance) */
- if (dev->model->is_sheetfed == SANE_TRUE
- && dev->model->cmd_set->load_document != NULL)
- {
- status = dev->model->cmd_set->load_document (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to load document: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
-
- auto& sensor = sanei_genesys_find_sensor_for_write(dev, dev->settings.xres,
- dev->settings.scan_method);
-
- /* send gamma tables. They have been set to device or user value
- * when setting option value */
- status = dev->model->cmd_set->send_gamma_table(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to init gamma table: %s\n", __func__, sane_strstatus(status));
- return status;
- }
-
- /* try to use cached calibration first */
- if (!genesys_restore_calibration (dev, sensor))
- {
- /* calibration : sheetfed scanners can't calibrate before each scan */
- /* and also those who have the NO_CALIBRATION flag */
- if (!(dev->model->flags & GENESYS_FLAG_NO_CALIBRATION)
- &&dev->model->is_sheetfed == SANE_FALSE)
- {
- status = genesys_scanner_calibration(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do scanner calibration: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- genesys_save_calibration (dev, sensor);
- }
- else
- {
- DBG(DBG_warn, "%s: no calibration done\n", __func__);
- }
- }
-
- /* build look up table for dynamic lineart */
- if(dev->settings.dynamic_lineart==SANE_TRUE)
- {
- status = sanei_genesys_load_lut(dev->lineart_lut, 8, 8, 50, 205,
- dev->settings.threshold_curve,
- dev->settings.threshold-127);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to build lut\n", __func__);
- return status;
- }
- }
-
- if (dev->model->cmd_set->wait_for_motor_stop) {
- dev->model->cmd_set->wait_for_motor_stop(dev);
- }
-
- if (dev->model->cmd_set->needs_home_before_init_regs_for_scan &&
- dev->model->cmd_set->needs_home_before_init_regs_for_scan(dev) &&
- dev->model->cmd_set->slow_back_home)
- {
- RIE(dev->model->cmd_set->slow_back_home(dev, SANE_TRUE));
- }
-
- if (dev->settings.scan_method == ScanMethod::TRANSPARENCY) {
- RIE(dev->model->cmd_set->move_to_ta(dev));
- }
-
- status = dev->model->cmd_set->init_regs_for_scan(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to do init registers for scan: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- /* no lamp during scan */
- if(lamp_off == SANE_TRUE)
- {
- sanei_genesys_set_lamp_power(dev, sensor, dev->reg, false);
- }
-
- /* GL124 is using SHDAREA, so we have to wait for scan to be set up before
- * sending shading data */
- if( (dev->model->cmd_set->send_shading_data!=NULL)
- && !(dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
- {
- status = genesys_send_shading_coefficient(dev, sensor);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to send shading calibration coefficients: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
-
- /* now send registers for scan */
- status =
- dev->model->cmd_set->bulk_write_register(dev, dev->reg);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to bulk write registers, status = %d\n", __func__, status);
- return status;
- }
-
- /* start effective scan */
- status = dev->model->cmd_set->begin_scan(dev, sensor, &dev->reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to begin scan: %s\n", __func__, sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- /*do we really need this? the valid data check should be sufficent -- pierre*/
- /* waits for head to reach scanning position */
- expected = dev->reg.get8(0x3d) * 65536
- + dev->reg.get8(0x3e) * 256
- + dev->reg.get8(0x3f);
- do
- {
- // wait some time between each test to avoid overloading USB and CPU
- sanei_genesys_sleep_ms(100);
- status = sanei_genesys_read_feed_steps (dev, &steps);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: Failed to read feed steps: %s\n", __func__, sane_strstatus(status));
- return status;
- }
- }
- while (steps < expected);
-
- /* wait for buffers to be filled */
- do
- {
- RIE (sanei_genesys_test_buffer_empty (dev, &empty));
- }
- while (empty);
-
- /* when doing one or two-table movement, let the motor settle to scanning speed */
- /* and scanning start before reading data */
-/* the valid data check already waits until the scanner delivers data. this here leads to unnecessary buffer full conditions in the scanner.
- if (dev->model->cmd_set->get_fast_feed_bit (dev->reg))
- sanei_genesys_sleep_ms(1000);
- else
- sanei_genesys_sleep_ms(500);
-*/
- /* then we wait for at least one word of valid scan data
-
- this is also done in sanei_genesys_read_data_from_scanner -- pierre */
- if (dev->model->is_sheetfed == SANE_FALSE)
- {
- do
- {
- sanei_genesys_sleep_ms(100);
- status = sanei_genesys_read_valid_words (dev, &steps);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read valid words: %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
- }
- while (steps < 1);
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/* this is _not_ a ringbuffer.
- if we need a block which does not fit at the end of our available data,
- we move the available data to the beginning.
- */
-
-void Genesys_Buffer::alloc(size_t size)
-{
- buffer_.resize(size);
- avail_ = 0;
- pos_ = 0;
-}
-
-void Genesys_Buffer::clear()
-{
- buffer_.clear();
- avail_ = 0;
- pos_ = 0;
-}
-
-void Genesys_Buffer::reset()
-{
- avail_ = 0;
- pos_ = 0;
-}
-
-uint8_t* Genesys_Buffer::get_write_pos(size_t size)
-{
- if (avail_ + size > buffer_.size())
- return nullptr;
- if (pos_ + avail_ + size > buffer_.size())
- {
- std::memmove(buffer_.data(), buffer_.data() + pos_, avail_);
- pos_ = 0;
- }
- return buffer_.data() + pos_ + avail_;
-}
-
-uint8_t* Genesys_Buffer::get_read_pos()
-{
- return buffer_.data() + pos_;
-}
-
-void Genesys_Buffer::produce(size_t size)
-{
- if (size > buffer_.size() - avail_)
- throw std::runtime_error("buffer size exceeded");
- avail_ += size;
-}
-
-void Genesys_Buffer::consume(size_t size)
-{
- if (size > avail_)
- throw std::runtime_error("no more data in buffer");
- avail_ -= size;
- pos_ += size;
-}
-
-
-#include "genesys_conv.cc"
-
-static SANE_Status accurate_line_read(Genesys_Device * dev,
- Genesys_Buffer& buffer)
-{
- buffer.reset();
-
- SANE_Status status = SANE_STATUS_GOOD;
- status = dev->model->cmd_set->bulk_read_data(dev, 0x45, buffer.get_write_pos(buffer.size()),
- buffer.size());
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__, (u_long) buffer.size(),
- sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- buffer.produce(buffer.size());
- return status;
-}
-
-/** @brief fill buffer while reducing vertical resolution
- * This function fills a read buffer with scanned data from a sensor
- * which puts odd and even pixels in 2 different data segment. So a complete
- * must be read and bytes interleaved to get usable by the other stages
- * of the backend
- */
-static SANE_Status
-genesys_fill_line_interp_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst, size_t size)
-{
- size_t count;
- SANE_Status status = SANE_STATUS_GOOD;
-
- /* fill buffer if needed */
- if (dev->oe_buffer.avail() == 0)
- {
- status = accurate_line_read(dev, dev->oe_buffer);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
- (u_long) dev->oe_buffer.size(), sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
- }
-
- /* copy size bytes of data, copying from a line when line count matches */
- count = 0;
- while (count < size)
- {
- /* line counter */
- /* dev->line_interp holds the number of lines scanned for one line of data sent */
- if(((dev->line_count/dev->current_setup.channels) % dev->line_interp)==0)
- {
- /* copy pixel when line matches */
- work_buffer_dst[count] = dev->oe_buffer.get_read_pos()[dev->cur];
- count++;
- }
-
- /* always update pointer so we skip uncopied data */
- dev->cur++;
-
- /* go to next line if needed */
- if (dev->cur == dev->len)
- {
- dev->oe_buffer.set_pos(dev->oe_buffer.pos() + dev->bpl);
- dev->cur = 0;
- dev->line_count++;
- }
-
- /* read a new buffer if needed */
- if (dev->oe_buffer.pos() >= dev->oe_buffer.avail())
- {
- status = accurate_line_read(dev, dev->oe_buffer);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
- (u_long) dev->oe_buffer.size(), sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
- }
- }
-
- return SANE_STATUS_GOOD;
-}
-
-/** @brief fill buffer for segmented sensors
- * This function fills a read buffer with scanned data from a sensor segmented
- * in several parts (multi-lines sensors). Data of the same valid area is read
- * back to back and must be interleaved to get usable by the other stages
- * of the backend
- */
-static SANE_Status
-genesys_fill_segmented_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst, size_t size)
-{
- size_t count;
- SANE_Status status = SANE_STATUS_GOOD;
- int depth,i,n,k;
-
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == ScanColorMode::LINEART && dev->settings.dynamic_lineart==SANE_FALSE)
- depth = 1;
-
- /* fill buffer if needed */
- if (dev->oe_buffer.avail() == 0)
- {
- status = accurate_line_read(dev, dev->oe_buffer);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
- (u_long) dev->oe_buffer.size(), sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
- }
-
- /* copy size bytes of data, copying from a subwindow of each line
- * when last line of buffer is exhausted, read another one */
- count = 0;
- while (count < size)
- {
- if (depth==1) {
- while (dev->cur < dev->len && count < size) {
- for (n=0; n<dev->segnb; n++) {
- work_buffer_dst[count+n] = 0;
- }
- /* interleaving is at bit level */
- for (i=0;i<8;i++) {
- k=count+(i*dev->segnb)/8;
- for (n=0;n<dev->segnb;n++) {
- work_buffer_dst[k] = work_buffer_dst[k] << 1;
- if ((dev->oe_buffer.get_read_pos()[dev->cur + dev->skip + dev->dist*dev->order[n]])&(128>>i)) {
- work_buffer_dst[k] |= 1;
- }
- }
- }
-
- /* update counter and pointer */
- count += dev->segnb;
- dev->cur++;
- }
- }
- if (depth==8) {
- while (dev->cur < dev->len && count < size) {
- for (n=0;n<dev->segnb;n++) {
- work_buffer_dst[count+n] = dev->oe_buffer.get_read_pos()[dev->cur + dev->skip + dev->dist*dev->order[n]];
- }
- /* update counter and pointer */
- count += dev->segnb;
- dev->cur++;
- }
- }
- if (depth==16) {
- while (dev->cur < dev->len && count < size) {
- for (n=0;n<dev->segnb;n++) {
- work_buffer_dst[count+n*2] = dev->oe_buffer.get_read_pos()[dev->cur + dev->skip + dev->dist*dev->order[n]];
- work_buffer_dst[count+n*2+1] = dev->oe_buffer.get_read_pos()[dev->cur + dev->skip + dev->dist*dev->order[n] + 1];
- }
- /* update counter and pointer */
- count += dev->segnb*2;
- dev->cur+=2;
- }
- }
-
- /* go to next line if needed */
- if (dev->cur == dev->len)
- {
- dev->oe_buffer.set_pos(dev->oe_buffer.pos() + dev->bpl);
- dev->cur = 0;
- }
-
- /* read a new buffer if needed */
- if (dev->oe_buffer.pos() >= dev->oe_buffer.avail())
- {
- status = accurate_line_read(dev, dev->oe_buffer);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
- (u_long) dev->oe_buffer.size(), sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
- }
- }
-
- return SANE_STATUS_GOOD;
-}
-
-/**
- *
- */
-static SANE_Status
-genesys_fill_read_buffer (Genesys_Device * dev)
-{
- size_t size;
- size_t space;
- SANE_Status status = SANE_STATUS_GOOD;
- uint8_t *work_buffer_dst;
-
- DBGSTART;
-
- /* for sheetfed scanner, we must check is document is shorter than
- * the requested scan */
- if (dev->model->is_sheetfed == SANE_TRUE)
- {
- status = dev->model->cmd_set->detect_document_end (dev);
- if (status != SANE_STATUS_GOOD)
- return status;
- }
-
- space = dev->read_buffer.size() - dev->read_buffer.avail();
-
- work_buffer_dst = dev->read_buffer.get_write_pos(space);
-
- size = space;
-
- /* never read an odd number. exception: last read
- the chip internal counter does not count half words. */
- size &= ~1;
- /* Some setups need the reads to be multiples of 256 bytes */
- size &= ~0xff;
-
- if (dev->read_bytes_left < size)
- {
- size = dev->read_bytes_left;
- /*round up to a multiple of 256 bytes */
- size += (size & 0xff) ? 0x100 : 0x00;
- size &= ~0xff;
- }
-
- /* early out if our remaining buffer capacity is too low */
- if (size == 0)
- return SANE_STATUS_GOOD;
-
- DBG(DBG_io, "%s: reading %lu bytes\n", __func__, (u_long) size);
-
- /* size is already maxed to our needs. for most models bulk_read_data
- will read as much data as requested. */
-
- /* due to sensors and motors, not all data can be directly used. It
- * may have to be read from another intermediate buffer and then processed.
- * There are currently 3 intermediate stages:
- * - handling of odd/even sensors
- * - handling of line interpolation for motors that can't have low
- * enough dpi
- * - handling of multi-segments sensors
- *
- * This is also the place where full duplex data will be handled.
- */
- if (dev->line_interp>0)
- {
- /* line interpolation */
- status = genesys_fill_line_interp_buffer (dev, work_buffer_dst, size);
- }
- else if (dev->segnb>1)
- {
- /* multi-segment sensors processing */
- status = genesys_fill_segmented_buffer (dev, work_buffer_dst, size);
- }
- else /* regular case with no extra copy */
- {
- status = dev->model->cmd_set->bulk_read_data (dev, 0x45, work_buffer_dst, size);
- }
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__, (u_long) size,
- sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- if (size > dev->read_bytes_left)
- size = dev->read_bytes_left;
-
- dev->read_bytes_left -= size;
-
- dev->read_buffer.produce(size);
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-/* this function does the effective data read in a manner that suits
- the scanner. It does data reordering and resizing if need.
- It also manages EOF and I/O errors, and line distance correction.
- */
-static SANE_Status
-genesys_read_ordered_data (Genesys_Device * dev, SANE_Byte * destination,
- size_t * len)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- size_t bytes, extra;
- unsigned int channels, depth, src_pixels;
- unsigned int ccd_shift[12], shift_count;
- uint8_t *work_buffer_src;
- uint8_t *work_buffer_dst;
- unsigned int dst_lines;
- unsigned int step_1_mode;
- unsigned int needs_reorder;
- unsigned int needs_ccd;
- unsigned int needs_shrink;
- unsigned int needs_reverse;
- Genesys_Buffer *src_buffer;
- Genesys_Buffer *dst_buffer;
-
- DBGSTART;
- if (dev->read_active != SANE_TRUE)
- {
- DBG(DBG_error, "%s: read not active!\n", __func__);
- *len = 0;
- return SANE_STATUS_INVAL;
- }
-
- DBG(DBG_info, "%s: ", __func__);
- debug_dump(DBG_info, dev->current_setup);
-
- /* prepare conversion */
- /* current settings */
- channels = dev->current_setup.channels;
- depth = dev->current_setup.depth;
-
- src_pixels = dev->current_setup.pixels;
-
- needs_reorder = 1;
- if (channels != 3 && depth != 16)
- needs_reorder = 0;
-#ifndef WORDS_BIGENDIAN
- if (channels != 3 && depth == 16)
- needs_reorder = 0;
- if (channels == 3 && depth == 16 && !dev->model->is_cis &&
- dev->model->line_mode_color_order == COLOR_ORDER_RGB)
- needs_reorder = 0;
-#endif
- if (channels == 3 && depth == 8 && !dev->model->is_cis &&
- dev->model->line_mode_color_order == COLOR_ORDER_RGB)
- needs_reorder = 0;
-
- needs_ccd = dev->current_setup.max_shift > 0;
- needs_shrink = dev->settings.pixels != src_pixels;
- needs_reverse = depth == 1;
-
- DBG(DBG_info, "%s: using filters:%s%s%s%s\n", __func__,
- needs_reorder ? " reorder" : "",
- needs_ccd ? " ccd" : "",
- needs_shrink ? " shrink" : "",
- needs_reverse ? " reverse" : "");
-
- DBG(DBG_info, "%s: frontend requested %lu bytes\n", __func__, (u_long) * len);
-
- DBG(DBG_info, "%s: bytes_to_read=%lu, total_bytes_read=%lu\n", __func__,
- (u_long) dev->total_bytes_to_read, (u_long) dev->total_bytes_read);
- /* is there data left to scan */
- if (dev->total_bytes_read >= dev->total_bytes_to_read)
- {
- DBG(DBG_proc, "%s: nothing more to scan: EOF\n", __func__);
- *len = 0;
-
- /* issue park command immediatly in case scanner can handle it
- * so we save time */
- if (dev->model->is_sheetfed == SANE_FALSE
- && !(dev->model->flags & GENESYS_FLAG_MUST_WAIT)
- && dev->parking == SANE_FALSE)
- {
- dev->model->cmd_set->slow_back_home (dev, SANE_FALSE);
- dev->parking = SANE_TRUE;
- }
- return SANE_STATUS_EOF;
- }
-
- DBG(DBG_info, "%s: %lu lines left by output\n", __func__,
- ((dev->total_bytes_to_read - dev->total_bytes_read) * 8UL) /
- (dev->settings.pixels * channels * depth));
- DBG(DBG_info, "%s: %lu lines left by input\n", __func__,
- ((dev->read_bytes_left + dev->read_buffer.avail()) * 8UL) /
- (src_pixels * channels * depth));
-
- if (channels == 1)
- {
- ccd_shift[0] = 0;
- ccd_shift[1] = dev->current_setup.stagger;
- shift_count = 2;
- }
- else
- {
- ccd_shift[0] =
- ((dev->ld_shift_r * dev->settings.yres) /
- dev->motor.base_ydpi);
- ccd_shift[1] =
- ((dev->ld_shift_g * dev->settings.yres) /
- dev->motor.base_ydpi);
- ccd_shift[2] =
- ((dev->ld_shift_b * dev->settings.yres) /
- dev->motor.base_ydpi);
-
- ccd_shift[3] = ccd_shift[0] + dev->current_setup.stagger;
- ccd_shift[4] = ccd_shift[1] + dev->current_setup.stagger;
- ccd_shift[5] = ccd_shift[2] + dev->current_setup.stagger;
-
- shift_count = 6;
- }
-
-
-/* convert data */
-/*
- 0. fill_read_buffer
--------------- read_buffer ----------------------
- 1a). (opt)uncis (assumes color components to be laid out
- planar)
- 1b). (opt)reverse_RGB (assumes pixels to be BGR or BBGGRR))
--------------- lines_buffer ----------------------
- 2a). (opt)line_distance_correction (assumes RGB or RRGGBB)
- 2b). (opt)unstagger (assumes pixels to be depth*channels/8
- bytes long, unshrinked)
-------------- shrink_buffer ---------------------
- 3. (opt)shrink_lines (assumes component separation in pixels)
--------------- out_buffer -----------------------
- 4. memcpy to destination (for lineart with bit reversal)
-*/
-/*FIXME: for lineart we need sub byte addressing in buffers, or conversion to
- bytes at 0. and back to bits at 4.
-Problems with the first approach:
- - its not clear how to check if we need to output an incomplete byte
- because it is the last one.
- */
-/*FIXME: add lineart support for gl646. in the meantime add logic to convert
- from gray to lineart at the end? would suffer the above problem,
- total_bytes_to_read and total_bytes_read help in that case.
- */
-
- status = genesys_fill_read_buffer (dev);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: genesys_fill_read_buffer failed\n", __func__);
- return status;
- }
-
- src_buffer = &(dev->read_buffer);
-
-/* maybe reorder components/bytes */
- if (needs_reorder)
- {
-/*not implemented for depth == 1.*/
- if (depth == 1)
- {
- DBG(DBG_error, "Can't reorder single bit data\n");
- return SANE_STATUS_INVAL;
- }
-
- dst_buffer = &(dev->lines_buffer);
-
- work_buffer_src = src_buffer->get_read_pos();
- bytes = src_buffer->avail();
-
-/*how many bytes can be processed here?*/
-/*we are greedy. we work as much as possible*/
- if (bytes > dst_buffer->size() - dst_buffer->avail())
- bytes = dst_buffer->size() - dst_buffer->avail();
-
- dst_lines = (bytes * 8) / (src_pixels * channels * depth);
- bytes = (dst_lines * src_pixels * channels * depth) / 8;
-
- work_buffer_dst = dst_buffer->get_write_pos(bytes);
-
- DBG(DBG_info, "%s: reordering %d lines\n", __func__, dst_lines);
-
- if (dst_lines != 0)
- {
-
- if (channels == 3)
- {
- step_1_mode = 0;
-
- if (depth == 16)
- step_1_mode |= 1;
-
- if (dev->model->is_cis)
- step_1_mode |= 2;
-
- if (dev->model->line_mode_color_order == COLOR_ORDER_BGR)
- step_1_mode |= 4;
-
- switch (step_1_mode)
- {
- case 1: /* RGB, chunky, 16 bit */
-#ifdef WORDS_BIGENDIAN
- status =
- genesys_reorder_components_endian_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels, 3);
- break;
-#endif /*WORDS_BIGENDIAN */
- case 0: /* RGB, chunky, 8 bit */
- status = SANE_STATUS_GOOD;
- break;
- case 2: /* RGB, cis, 8 bit */
- status =
- genesys_reorder_components_cis_8 (work_buffer_src,
- work_buffer_dst,
- dst_lines, src_pixels);
- break;
- case 3: /* RGB, cis, 16 bit */
- status =
- genesys_reorder_components_cis_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines, src_pixels);
- break;
- case 4: /* BGR, chunky, 8 bit */
- status =
- genesys_reorder_components_bgr_8 (work_buffer_src,
- work_buffer_dst,
- dst_lines, src_pixels);
- break;
- case 5: /* BGR, chunky, 16 bit */
- status =
- genesys_reorder_components_bgr_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines, src_pixels);
- break;
- case 6: /* BGR, cis, 8 bit */
- status =
- genesys_reorder_components_cis_bgr_8 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels);
- break;
- case 7: /* BGR, cis, 16 bit */
- status =
- genesys_reorder_components_cis_bgr_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels);
- break;
- }
- }
- else
- {
-#ifdef WORDS_BIGENDIAN
- if (depth == 16)
- {
- status =
- genesys_reorder_components_endian_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels, 1);
- }
- else
- {
- status = SANE_STATUS_GOOD;
- }
-#else /*!WORDS_BIGENDIAN */
- status = SANE_STATUS_GOOD;
-#endif /*WORDS_BIGENDIAN */
- }
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to convert byte ordering(%s)\n", __func__,
- sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- dst_buffer->produce(bytes);
- src_buffer->consume(bytes);
- }
- src_buffer = dst_buffer;
- }
-
-/* maybe reverse effects of ccd layout */
- if (needs_ccd)
- {
-/*should not happen with depth == 1.*/
- if (depth == 1)
- {
- DBG(DBG_error, "Can't reverse ccd for single bit data\n");
- return SANE_STATUS_INVAL;
- }
-
- dst_buffer = &(dev->shrink_buffer);
-
- work_buffer_src = src_buffer->get_read_pos();
- bytes = src_buffer->avail();
-
- extra =
- (dev->current_setup.max_shift * src_pixels * channels * depth) / 8;
-
-/*extra bytes are reserved, and should not be consumed*/
- if (bytes < extra)
- bytes = 0;
- else
- bytes -= extra;
-
-/*how many bytes can be processed here?*/
-/*we are greedy. we work as much as possible*/
- if (bytes > dst_buffer->size() - dst_buffer->avail())
- bytes = dst_buffer->size() - dst_buffer->avail();
-
- dst_lines = (bytes * 8) / (src_pixels * channels * depth);
- bytes = (dst_lines * src_pixels * channels * depth) / 8;
-
- work_buffer_dst = dst_buffer->get_write_pos(bytes);
-
- DBG(DBG_info, "%s: un-ccd-ing %d lines\n", __func__, dst_lines);
-
- if (dst_lines != 0)
- {
-
- if (depth == 8)
- status = genesys_reverse_ccd_8 (work_buffer_src, work_buffer_dst,
- dst_lines,
- src_pixels * channels,
- ccd_shift, shift_count);
- else
- status = genesys_reverse_ccd_16 (work_buffer_src, work_buffer_dst,
- dst_lines,
- src_pixels * channels,
- ccd_shift, shift_count);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to reverse ccd effects(%s)\n", __func__,
- sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- dst_buffer->produce(bytes);
- src_buffer->consume(bytes);
- }
- src_buffer = dst_buffer;
- }
-
-/* maybe shrink(or enlarge) lines */
- if (needs_shrink)
- {
-
- dst_buffer = &(dev->out_buffer);
-
- work_buffer_src = src_buffer->get_read_pos();
- bytes = src_buffer->avail();
-
-/*lines in input*/
- dst_lines = (bytes * 8) / (src_pixels * channels * depth);
-
- /* how many lines can be processed here? */
- /* we are greedy. we work as much as possible */
- bytes = dst_buffer->size() - dst_buffer->avail();
-
- if (dst_lines > (bytes * 8) / (dev->settings.pixels * channels * depth))
- dst_lines = (bytes * 8) / (dev->settings.pixels * channels * depth);
-
- bytes = (dst_lines * dev->settings.pixels * channels * depth) / 8;
-
- work_buffer_dst = dst_buffer->get_write_pos(bytes);
-
- DBG(DBG_info, "%s: shrinking %d lines\n", __func__, dst_lines);
-
- if (dst_lines != 0)
- {
- if (depth == 1)
- status = genesys_shrink_lines_1 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels,
- dev->settings.pixels,
- channels);
- else if (depth == 8)
- status = genesys_shrink_lines_8 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels,
- dev->settings.pixels, channels);
- else
- status = genesys_shrink_lines_16 (work_buffer_src,
- work_buffer_dst,
- dst_lines,
- src_pixels,
- dev->settings.pixels, channels);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to shrink lines(%s)\n", __func__, sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
-
- /* we just consumed this many bytes*/
- bytes = (dst_lines * src_pixels * channels * depth) / 8;
- src_buffer->consume(bytes);
-
- /* we just created this many bytes*/
- bytes = (dst_lines * dev->settings.pixels * channels * depth) / 8;
- dst_buffer->produce(bytes);
- }
- src_buffer = dst_buffer;
- }
-
- /* move data to destination */
- bytes = src_buffer->avail();
- if (bytes > *len)
- bytes = *len;
- work_buffer_src = src_buffer->get_read_pos();
-
- if (needs_reverse)
- {
- status = genesys_reverse_bits (work_buffer_src, destination, bytes);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to reverse bits(%s)\n", __func__, sane_strstatus(status));
- return SANE_STATUS_IO_ERROR;
- }
- *len = bytes;
- }
- else
- {
- memcpy (destination, work_buffer_src, bytes);
- *len = bytes;
- }
-
- /* avoid signaling some extra data because we have treated a full block
- * on the last block */
- if (dev->total_bytes_read + *len > dev->total_bytes_to_read)
- *len = dev->total_bytes_to_read - dev->total_bytes_read;
-
- /* count bytes sent to frontend */
- dev->total_bytes_read += *len;
-
- src_buffer->consume(bytes);
-
- /* end scan if all needed data have been read */
- if(dev->total_bytes_read >= dev->total_bytes_to_read)
- {
- dev->model->cmd_set->end_scan(dev, &dev->reg, SANE_TRUE);
- if (dev->model->is_sheetfed == SANE_TRUE)
- {
- dev->model->cmd_set->eject_document (dev);
- }
- }
-
- DBG(DBG_proc, "%s: completed, %lu bytes read\n", __func__, (u_long) bytes);
- return SANE_STATUS_GOOD;
-}
-
-
-
-/* ------------------------------------------------------------------------ */
-/* Start of higher level functions */
-/* ------------------------------------------------------------------------ */
-
-static size_t
-max_string_size (const SANE_String_Const strings[])
-{
- size_t size, max_size = 0;
- SANE_Int i;
-
- for (i = 0; strings[i]; ++i)
- {
- size = strlen (strings[i]) + 1;
- if (size > max_size)
- max_size = size;
- }
- return max_size;
-}
-
-static SANE_Status
-calc_parameters (Genesys_Scanner * s)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- double tl_x = 0, tl_y = 0, br_x = 0, br_y = 0;
-
- tl_x = SANE_UNFIX(s->pos_top_left_x);
- tl_y = SANE_UNFIX(s->pos_top_left_y);
- br_x = SANE_UNFIX(s->pos_bottom_right_x);
- br_y = SANE_UNFIX(s->pos_bottom_right_y);
-
- s->params.last_frame = SANE_TRUE; /* only single pass scanning supported */
-
- if (s->mode == SANE_VALUE_SCAN_MODE_GRAY || s->mode == SANE_VALUE_SCAN_MODE_LINEART) {
- s->params.format = SANE_FRAME_GRAY;
- } else {
- s->params.format = SANE_FRAME_RGB;
- }
-
- if (s->mode == SANE_VALUE_SCAN_MODE_LINEART) {
- s->params.depth = 1;
- } else {
- s->params.depth = s->bit_depth;
- }
-
- s->dev->settings.depth = s->bit_depth;
-
- /* interpolation */
- s->dev->settings.disable_interpolation = s->disable_interpolation;
-
- // FIXME: use correct sensor
- const auto& sensor = sanei_genesys_find_sensor_any(s->dev);
-
- // hardware settings
- if (s->resolution > sensor.optical_res && s->dev->settings.disable_interpolation) {
- s->dev->settings.xres = sensor.optical_res;
- } else {
- s->dev->settings.xres = s->resolution;
- }
- s->dev->settings.yres = s->resolution;
-
- s->params.lines = ((br_y - tl_y) * s->dev->settings.yres) / MM_PER_INCH;
- s->params.pixels_per_line = ((br_x - tl_x) * s->resolution) / MM_PER_INCH;
-
- /* we need an even pixels number
- * TODO invert test logic or generalize behaviour across all ASICs */
- if ((s->dev->model->flags & GENESYS_FLAG_SIS_SENSOR)
- || s->dev->model->asic_type == GENESYS_GL847
- || s->dev->model->asic_type == GENESYS_GL124
- || s->dev->model->asic_type == GENESYS_GL845
- || s->dev->model->asic_type == GENESYS_GL846
- || s->dev->model->asic_type == GENESYS_GL843)
- {
- if (s->dev->settings.xres <= 1200)
- s->params.pixels_per_line = (s->params.pixels_per_line/4)*4;
- else
- s->params.pixels_per_line = (s->params.pixels_per_line/16)*16;
- }
-
- /* corner case for true lineart for sensor with several segments
- * or when xres is doubled to match yres */
- if (s->dev->settings.xres >= 1200
- && ( s->dev->model->asic_type == GENESYS_GL124
- || s->dev->model->asic_type == GENESYS_GL847
- || s->dev->current_setup.xres < s->dev->current_setup.yres
- )
- )
- {
- s->params.pixels_per_line = (s->params.pixels_per_line/16)*16;
- }
-
- s->params.bytes_per_line = s->params.pixels_per_line;
- if (s->params.depth > 8)
- {
- s->params.depth = 16;
- s->params.bytes_per_line *= 2;
- }
- else if (s->params.depth == 1)
- {
- s->params.bytes_per_line /= 8;
- /* round down pixel number
- really? rounding down means loss of at most 7 pixels! -- pierre */
- s->params.pixels_per_line = 8 * s->params.bytes_per_line;
- }
-
- if (s->params.format == SANE_FRAME_RGB) {
- s->params.bytes_per_line *= 3;
- }
-
- if (s->mode == SANE_VALUE_SCAN_MODE_COLOR) {
- s->dev->settings.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
- } else if (s->mode == SANE_VALUE_SCAN_MODE_GRAY) {
- s->dev->settings.scan_mode = ScanColorMode::GRAY;
- } else if (s->mode == SANE_TITLE_HALFTONE) {
- s->dev->settings.scan_mode = ScanColorMode::HALFTONE;
- } else { /* Lineart */
- s->dev->settings.scan_mode = ScanColorMode::LINEART;
- }
-
- if (s->source == STR_FLATBED) {
- s->dev->settings.scan_method = ScanMethod::FLATBED;
- } else if (s->source == STR_TRANSPARENCY_ADAPTER) {
- s->dev->settings.scan_method = ScanMethod::TRANSPARENCY;
- } else if (s->source == STR_TRANSPARENCY_ADAPTER_INFRARED) {
- s->dev->settings.scan_method = ScanMethod::TRANSPARENCY_INFRARED;
- }
-
- s->dev->settings.lines = s->params.lines;
- s->dev->settings.pixels = s->params.pixels_per_line;
- s->dev->settings.tl_x = tl_x;
- s->dev->settings.tl_y = tl_y;
-
- // threshold setting
- s->dev->settings.threshold = 2.55 * (SANE_UNFIX(s->threshold));
-
- // color filter
- if (s->color_filter == "Red") {
- s->dev->settings.color_filter = ColorFilter::RED;
- } else if (s->color_filter == "Green") {
- s->dev->settings.color_filter = ColorFilter::GREEN;
- } else if (s->color_filter == "Blue") {
- s->dev->settings.color_filter = ColorFilter::BLUE;
- } else {
- s->dev->settings.color_filter = ColorFilter::NONE;
- }
-
- // true gray
- if (s->color_filter == "None") {
- s->dev->settings.true_gray = 1;
- } else {
- s->dev->settings.true_gray = 0;
- }
-
- /* dynamic lineart */
- s->dev->settings.dynamic_lineart = SANE_FALSE;
- s->dev->settings.threshold_curve=0;
- if (!s->disable_dynamic_lineart && s->dev->settings.scan_mode == ScanColorMode::LINEART) {
- s->dev->settings.dynamic_lineart = SANE_TRUE;
- }
-
- /* hardware lineart works only when we don't have interleave data
- * for GL847 scanners, ie up to 600 DPI, then we have to rely on
- * dynamic_lineart */
- if(s->dev->settings.xres > 600
- && s->dev->model->asic_type==GENESYS_GL847
- && s->dev->settings.scan_mode == ScanColorMode::LINEART)
- {
- s->dev->settings.dynamic_lineart = SANE_TRUE;
- }
-
- // threshold curve for dynamic rasterization
- s->dev->settings.threshold_curve = s->threshold_curve;
-
- /* some digital processing requires the whole picture to be buffered */
- /* no digital processing takes place when doing preview, or when bit depth is
- * higher than 8 bits */
- if ((s->swdespeck || s->swcrop || s->swdeskew || s->swderotate ||(SANE_UNFIX(s->swskip)>0))
- && (!s->preview)
- && (s->bit_depth <= 8))
- {
- s->dev->buffer_image=SANE_TRUE;
- }
- else
- {
- s->dev->buffer_image=SANE_FALSE;
- }
-
- /* brigthness and contrast only for for 8 bit scans */
- if(s->bit_depth <= 8)
- {
- s->dev->settings.contrast = (s->contrast * 127) / 100;
- s->dev->settings.brightness = (s->brightness * 127) / 100;
- }
- else
- {
- s->dev->settings.contrast=0;
- s->dev->settings.brightness=0;
- }
-
- /* cache expiration time */
- s->dev->settings.expiration_time = s->expiration_time;
-
- return status;
-}
-
-
-static SANE_Status
-create_bpp_list (Genesys_Scanner * s, SANE_Int * bpp)
-{
- int count;
-
- for (count = 0; bpp[count] != 0; count++)
- ;
- s->bpp_list[0] = count;
- for (count = 0; bpp[count] != 0; count++)
- {
- s->bpp_list[s->bpp_list[0] - count] = bpp[count];
- }
- return SANE_STATUS_GOOD;
-}
-
-/** @brief this function initialize a gamma vector based on the ASIC:
- * Set up a default gamma table vector based on device description
- * gl646: 12 or 14 bits gamma table depending on GENESYS_FLAG_14BIT_GAMMA
- * gl84x: 16 bits
- * gl12x: 16 bits
- * @param scanner pointer to scanner session to get options
- * @param option option number of the gamma table to set
- */
-static void
-init_gamma_vector_option (Genesys_Scanner * scanner, int option)
-{
- /* the option is inactive until the custom gamma control
- * is enabled */
- scanner->opt[option].type = SANE_TYPE_INT;
- scanner->opt[option].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
- scanner->opt[option].unit = SANE_UNIT_NONE;
- scanner->opt[option].constraint_type = SANE_CONSTRAINT_RANGE;
- if (scanner->dev->model->asic_type == GENESYS_GL646)
- {
- if ((scanner->dev->model->flags & GENESYS_FLAG_14BIT_GAMMA) != 0)
- {
- scanner->opt[option].size = 16384 * sizeof (SANE_Word);
- scanner->opt[option].constraint.range = &u14_range;
- }
- else
- { /* 12 bits gamma tables */
- scanner->opt[option].size = 4096 * sizeof (SANE_Word);
- scanner->opt[option].constraint.range = &u12_range;
- }
- }
- else
- { /* other asics have 16 bits words gamma table */
- scanner->opt[option].size = 256 * sizeof (SANE_Word);
- scanner->opt[option].constraint.range = &u16_range;
- }
-}
-
-/**
- * allocate a geometry range
- * @param size maximum size of the range
- * @return a pointer to a valid range or NULL
- */
-static SANE_Range *create_range(SANE_Fixed size)
-{
-SANE_Range *range=NULL;
-
- range=(SANE_Range *)malloc(sizeof(SANE_Range));
- if(range!=NULL)
- {
- range->min = SANE_FIX (0.0);
- range->max = size;
- range->quant = SANE_FIX (0.0);
- }
- return range;
-}
-
-/** @brief generate calibration cache file nam
- * Generates the calibration cache file name to use.
- * Tries to store the chache in $HOME/.sane or
- * then fallbacks to $TMPDIR or TMP. The filename
- * uses the model name if only one scanner is plugged
- * else is uses the device name when several identical
- * scanners are in use.
- * @param currdev current scanner device
- * @return an allocated string containing a file name
- */
-static char *calibration_filename(Genesys_Device *currdev)
-{
- char *tmpstr;
- char *ptr;
- char filename[80];
- unsigned int count;
- unsigned int i;
-
- /* allocate space for result */
- tmpstr = (char*) malloc(PATH_MAX);
- if(tmpstr==NULL)
- {
- return NULL;
- }
-
- /* first compute the DIR where we can store cache:
- * 1 - home dir
- * 2 - $TMPDIR
- * 3 - $TMP
- * 4 - tmp dir
- * 5 - temp dir
- * 6 - then resort to current dir
- */
- ptr = getenv ("HOME");
- if(ptr==NULL)
- {
- ptr = getenv ("USERPROFILE");
- }
- if(ptr==NULL)
- {
- ptr = getenv ("TMPDIR");
- }
- if(ptr==NULL)
- {
- ptr = getenv ("TMP");
- }
-
- /* now choose filename:
- * 1 - if only one scanner, name of the model
- * 2 - if several scanners of the same model, use device name,
- * replacing special chars
- */
- count=0;
- /* count models of the same names if several scanners attached */
- if(s_devices->size() > 1) {
- for (const auto& dev : *s_devices) {
- if (dev.model->model_id == currdev->model->model_id) {
- count++;
- }
- }
- }
- if(count>1)
- {
- snprintf(filename,sizeof(filename),"%s.cal",currdev->file_name);
- for(i=0;i<strlen(filename);i++)
- {
- if(filename[i]==':'||filename[i]==PATH_SEP)
- {
- filename[i]='_';
- }
- }
- }
- else
- {
- snprintf(filename,sizeof(filename),"%s.cal",currdev->model->name);
- }
-
- /* build final final name : store dir + filename */
- if (NULL == ptr)
- {
- snprintf (tmpstr, PATH_MAX, "%s", filename);
- }
- else
- {
-#ifdef HAVE_MKDIR
- /* make sure .sane directory exists in existing store dir */
- snprintf (tmpstr, PATH_MAX, "%s%c.sane", ptr, PATH_SEP);
- mkdir(tmpstr,0700);
-#endif
- snprintf (tmpstr, PATH_MAX, "%s%c.sane%c%s", ptr, PATH_SEP, PATH_SEP, filename);
- }
-
- DBG(DBG_info, "%s: calibration filename >%s<\n", __func__, tmpstr);
-
- return tmpstr;
-}
-
-
-static SANE_Status
-init_options (Genesys_Scanner * s)
-{
- SANE_Int option, count, min_dpi;
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Word *dpi_list;
- Genesys_Model *model = s->dev->model;
- SANE_Range *x_range, *y_range;
-
- DBGSTART;
-
- memset (s->opt, 0, sizeof (s->opt));
-
- for (option = 0; option < NUM_OPTIONS; ++option)
- {
- s->opt[option].size = sizeof (SANE_Word);
- s->opt[option].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
- }
- s->opt[OPT_NUM_OPTS].name = SANE_NAME_NUM_OPTIONS;
- s->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS;
- s->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS;
- s->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT;
- s->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT;
-
- /* "Mode" group: */
- s->opt[OPT_MODE_GROUP].title = SANE_I18N ("Scan Mode");
- s->opt[OPT_MODE_GROUP].desc = "";
- s->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_MODE_GROUP].size = 0;
- s->opt[OPT_MODE_GROUP].cap = 0;
- s->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- /* scan mode */
- s->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE;
- s->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE;
- s->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE;
- s->opt[OPT_MODE].type = SANE_TYPE_STRING;
- s->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
- s->opt[OPT_MODE].size = max_string_size (mode_list);
- s->opt[OPT_MODE].constraint.string_list = mode_list;
- s->mode = SANE_VALUE_SCAN_MODE_GRAY;
-
- /* scan source */
- s->opt[OPT_SOURCE].name = SANE_NAME_SCAN_SOURCE;
- s->opt[OPT_SOURCE].title = SANE_TITLE_SCAN_SOURCE;
- s->opt[OPT_SOURCE].desc = SANE_DESC_SCAN_SOURCE;
- s->opt[OPT_SOURCE].type = SANE_TYPE_STRING;
- s->opt[OPT_SOURCE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
- s->opt[OPT_SOURCE].size = max_string_size (source_list);
- s->opt[OPT_SOURCE].constraint.string_list = source_list;
- s->source = STR_FLATBED;
- if (model->flags & GENESYS_FLAG_HAS_UTA)
- {
- ENABLE (OPT_SOURCE);
- if (model->flags & GENESYS_FLAG_HAS_UTA_INFRARED) {
- s->opt[OPT_SOURCE].size = max_string_size(source_list_infrared);
- s->opt[OPT_SOURCE].constraint.string_list = source_list_infrared;
- }
- }
- else
- {
- DISABLE (OPT_SOURCE);
- }
-
- /* preview */
- s->opt[OPT_PREVIEW].name = SANE_NAME_PREVIEW;
- s->opt[OPT_PREVIEW].title = SANE_TITLE_PREVIEW;
- s->opt[OPT_PREVIEW].desc = SANE_DESC_PREVIEW;
- s->opt[OPT_PREVIEW].type = SANE_TYPE_BOOL;
- s->opt[OPT_PREVIEW].unit = SANE_UNIT_NONE;
- s->opt[OPT_PREVIEW].constraint_type = SANE_CONSTRAINT_NONE;
- s->preview = false;
-
- /* bit depth */
- s->opt[OPT_BIT_DEPTH].name = SANE_NAME_BIT_DEPTH;
- s->opt[OPT_BIT_DEPTH].title = SANE_TITLE_BIT_DEPTH;
- s->opt[OPT_BIT_DEPTH].desc = SANE_DESC_BIT_DEPTH;
- s->opt[OPT_BIT_DEPTH].type = SANE_TYPE_INT;
- s->opt[OPT_BIT_DEPTH].constraint_type = SANE_CONSTRAINT_WORD_LIST;
- s->opt[OPT_BIT_DEPTH].size = sizeof (SANE_Word);
- s->opt[OPT_BIT_DEPTH].constraint.word_list = 0;
- s->opt[OPT_BIT_DEPTH].constraint.word_list = s->bpp_list;
- create_bpp_list (s, model->bpp_gray_values);
- s->bit_depth = 8;
- if (s->opt[OPT_BIT_DEPTH].constraint.word_list[0] < 2)
- DISABLE (OPT_BIT_DEPTH);
-
- /* resolution */
- min_dpi=200000;
- for (count = 0; model->xdpi_values[count] != 0; count++)
- {
- if(model->xdpi_values[count]<min_dpi)
- {
- min_dpi=model->xdpi_values[count];
- }
- }
- dpi_list = (SANE_Word*) malloc((count + 1) * sizeof(SANE_Word));
- if (!dpi_list)
- return SANE_STATUS_NO_MEM;
- dpi_list[0] = count;
- for (count = 0; model->xdpi_values[count] != 0; count++)
- dpi_list[count + 1] = model->xdpi_values[count];
- s->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
- s->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
- s->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
- s->opt[OPT_RESOLUTION].type = SANE_TYPE_INT;
- s->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI;
- s->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_WORD_LIST;
- s->opt[OPT_RESOLUTION].constraint.word_list = dpi_list;
- s->resolution = min_dpi;
-
- /* "Geometry" group: */
- s->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry");
- s->opt[OPT_GEOMETRY_GROUP].desc = "";
- s->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_GEOMETRY_GROUP].cap = SANE_CAP_ADVANCED;
- s->opt[OPT_GEOMETRY_GROUP].size = 0;
- s->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- x_range=create_range(model->x_size);
- if(x_range==NULL)
- {
- return SANE_STATUS_NO_MEM;
- }
-
- y_range=create_range(model->y_size);
- if(y_range==NULL)
- {
- return SANE_STATUS_NO_MEM;
- }
-
- /* top-left x */
- s->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X;
- s->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X;
- s->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X;
- s->opt[OPT_TL_X].type = SANE_TYPE_FIXED;
- s->opt[OPT_TL_X].unit = SANE_UNIT_MM;
- s->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_TL_X].constraint.range = x_range;
- s->pos_top_left_x = 0;
-
- /* top-left y */
- s->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y;
- s->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y;
- s->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y;
- s->opt[OPT_TL_Y].type = SANE_TYPE_FIXED;
- s->opt[OPT_TL_Y].unit = SANE_UNIT_MM;
- s->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_TL_Y].constraint.range = y_range;
- s->pos_top_left_y = 0;
-
- /* bottom-right x */
- s->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X;
- s->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X;
- s->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X;
- s->opt[OPT_BR_X].type = SANE_TYPE_FIXED;
- s->opt[OPT_BR_X].unit = SANE_UNIT_MM;
- s->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_BR_X].constraint.range = x_range;
- s->pos_bottom_right_x = x_range->max;
-
- /* bottom-right y */
- s->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y;
- s->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y;
- s->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y;
- s->opt[OPT_BR_Y].type = SANE_TYPE_FIXED;
- s->opt[OPT_BR_Y].unit = SANE_UNIT_MM;
- s->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_BR_Y].constraint.range = y_range;
- s->pos_bottom_right_y = y_range->max;
-
- /* "Enhancement" group: */
- s->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement");
- s->opt[OPT_ENHANCEMENT_GROUP].desc = "";
- s->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_ENHANCEMENT_GROUP].cap = SANE_CAP_ADVANCED;
- s->opt[OPT_ENHANCEMENT_GROUP].size = 0;
- s->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- /* custom-gamma table */
- s->opt[OPT_CUSTOM_GAMMA].name = SANE_NAME_CUSTOM_GAMMA;
- s->opt[OPT_CUSTOM_GAMMA].title = SANE_TITLE_CUSTOM_GAMMA;
- s->opt[OPT_CUSTOM_GAMMA].desc = SANE_DESC_CUSTOM_GAMMA;
- s->opt[OPT_CUSTOM_GAMMA].type = SANE_TYPE_BOOL;
- s->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_ADVANCED;
- s->custom_gamma = false;
-
- /* grayscale gamma vector */
- s->opt[OPT_GAMMA_VECTOR].name = SANE_NAME_GAMMA_VECTOR;
- s->opt[OPT_GAMMA_VECTOR].title = SANE_TITLE_GAMMA_VECTOR;
- s->opt[OPT_GAMMA_VECTOR].desc = SANE_DESC_GAMMA_VECTOR;
- init_gamma_vector_option (s, OPT_GAMMA_VECTOR);
-
- /* red gamma vector */
- s->opt[OPT_GAMMA_VECTOR_R].name = SANE_NAME_GAMMA_VECTOR_R;
- s->opt[OPT_GAMMA_VECTOR_R].title = SANE_TITLE_GAMMA_VECTOR_R;
- s->opt[OPT_GAMMA_VECTOR_R].desc = SANE_DESC_GAMMA_VECTOR_R;
- init_gamma_vector_option (s, OPT_GAMMA_VECTOR_R);
-
- /* green gamma vector */
- s->opt[OPT_GAMMA_VECTOR_G].name = SANE_NAME_GAMMA_VECTOR_G;
- s->opt[OPT_GAMMA_VECTOR_G].title = SANE_TITLE_GAMMA_VECTOR_G;
- s->opt[OPT_GAMMA_VECTOR_G].desc = SANE_DESC_GAMMA_VECTOR_G;
- init_gamma_vector_option (s, OPT_GAMMA_VECTOR_G);
-
- /* blue gamma vector */
- s->opt[OPT_GAMMA_VECTOR_B].name = SANE_NAME_GAMMA_VECTOR_B;
- s->opt[OPT_GAMMA_VECTOR_B].title = SANE_TITLE_GAMMA_VECTOR_B;
- s->opt[OPT_GAMMA_VECTOR_B].desc = SANE_DESC_GAMMA_VECTOR_B;
- init_gamma_vector_option (s, OPT_GAMMA_VECTOR_B);
-
- /* currently, there are only gamma table options in this group,
- * so if the scanner doesn't support gamma table, disable the
- * whole group */
- if (!(model->flags & GENESYS_FLAG_CUSTOM_GAMMA))
- {
- s->opt[OPT_ENHANCEMENT_GROUP].cap |= SANE_CAP_INACTIVE;
- s->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
- DBG(DBG_info, "%s: custom gamma disabled\n", __func__);
- }
-
- /* software base image enhancements, these are consuming as many
- * memory than used by the full scanned image and may fail at high
- * resolution
- */
- /* software deskew */
- s->opt[OPT_SWDESKEW].name = "swdeskew";
- s->opt[OPT_SWDESKEW].title = "Software deskew";
- s->opt[OPT_SWDESKEW].desc = "Request backend to rotate skewed pages digitally";
- s->opt[OPT_SWDESKEW].type = SANE_TYPE_BOOL;
- s->opt[OPT_SWDESKEW].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED;
- s->swdeskew = false;
-
- /* software deskew */
- s->opt[OPT_SWDESPECK].name = "swdespeck";
- s->opt[OPT_SWDESPECK].title = "Software despeck";
- s->opt[OPT_SWDESPECK].desc = "Request backend to remove lone dots digitally";
- s->opt[OPT_SWDESPECK].type = SANE_TYPE_BOOL;
- s->opt[OPT_SWDESPECK].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED;
- s->swdespeck = false;
-
- /* software despeckle radius */
- s->opt[OPT_DESPECK].name = "despeck";
- s->opt[OPT_DESPECK].title = "Software despeckle diameter";
- s->opt[OPT_DESPECK].desc = "Maximum diameter of lone dots to remove from scan";
- s->opt[OPT_DESPECK].type = SANE_TYPE_INT;
- s->opt[OPT_DESPECK].unit = SANE_UNIT_NONE;
- s->opt[OPT_DESPECK].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_DESPECK].constraint.range = &swdespeck_range;
- s->opt[OPT_DESPECK].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED | SANE_CAP_INACTIVE;
- s->despeck = 1;
-
- /* crop by software */
- s->opt[OPT_SWCROP].name = "swcrop";
- s->opt[OPT_SWCROP].title = SANE_I18N ("Software crop");
- s->opt[OPT_SWCROP].desc = SANE_I18N ("Request backend to remove border from pages digitally");
- s->opt[OPT_SWCROP].type = SANE_TYPE_BOOL;
- s->opt[OPT_SWCROP].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED;
- s->opt[OPT_SWCROP].unit = SANE_UNIT_NONE;
- s->swcrop = false;
-
- /* Software blank page skip */
- s->opt[OPT_SWSKIP].name = "swskip";
- s->opt[OPT_SWSKIP].title = SANE_I18N ("Software blank skip percentage");
- s->opt[OPT_SWSKIP].desc = SANE_I18N("Request driver to discard pages with low numbers of dark pixels");
- s->opt[OPT_SWSKIP].type = SANE_TYPE_FIXED;
- s->opt[OPT_SWSKIP].unit = SANE_UNIT_PERCENT;
- s->opt[OPT_SWSKIP].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_SWSKIP].constraint.range = &(percentage_range);
- s->opt[OPT_SWSKIP].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED;
- s->swskip = 0; // disable by default
-
- /* Software Derotate */
- s->opt[OPT_SWDEROTATE].name = "swderotate";
- s->opt[OPT_SWDEROTATE].title = SANE_I18N ("Software derotate");
- s->opt[OPT_SWDEROTATE].desc = SANE_I18N("Request driver to detect and correct 90 degree image rotation");
- s->opt[OPT_SWDEROTATE].type = SANE_TYPE_BOOL;
- s->opt[OPT_SWDEROTATE].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_ADVANCED;
- s->opt[OPT_SWDEROTATE].unit = SANE_UNIT_NONE;
- s->swderotate = false;
-
- /* Software brightness */
- s->opt[OPT_BRIGHTNESS].name = SANE_NAME_BRIGHTNESS;
- s->opt[OPT_BRIGHTNESS].title = SANE_TITLE_BRIGHTNESS;
- s->opt[OPT_BRIGHTNESS].desc = SANE_DESC_BRIGHTNESS;
- s->opt[OPT_BRIGHTNESS].type = SANE_TYPE_INT;
- s->opt[OPT_BRIGHTNESS].unit = SANE_UNIT_NONE;
- s->opt[OPT_BRIGHTNESS].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_BRIGHTNESS].constraint.range = &(enhance_range);
- s->opt[OPT_BRIGHTNESS].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
- s->brightness = 0; // disable by default
-
- /* Sowftware contrast */
- s->opt[OPT_CONTRAST].name = SANE_NAME_CONTRAST;
- s->opt[OPT_CONTRAST].title = SANE_TITLE_CONTRAST;
- s->opt[OPT_CONTRAST].desc = SANE_DESC_CONTRAST;
- s->opt[OPT_CONTRAST].type = SANE_TYPE_INT;
- s->opt[OPT_CONTRAST].unit = SANE_UNIT_NONE;
- s->opt[OPT_CONTRAST].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_CONTRAST].constraint.range = &(enhance_range);
- s->opt[OPT_CONTRAST].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
- s->contrast = 0; // disable by default
-
- /* "Extras" group: */
- s->opt[OPT_EXTRAS_GROUP].title = SANE_I18N ("Extras");
- s->opt[OPT_EXTRAS_GROUP].desc = "";
- s->opt[OPT_EXTRAS_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_EXTRAS_GROUP].cap = SANE_CAP_ADVANCED;
- s->opt[OPT_EXTRAS_GROUP].size = 0;
- s->opt[OPT_EXTRAS_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- /* BW threshold */
- s->opt[OPT_THRESHOLD].name = SANE_NAME_THRESHOLD;
- s->opt[OPT_THRESHOLD].title = SANE_TITLE_THRESHOLD;
- s->opt[OPT_THRESHOLD].desc = SANE_DESC_THRESHOLD;
- s->opt[OPT_THRESHOLD].type = SANE_TYPE_FIXED;
- s->opt[OPT_THRESHOLD].unit = SANE_UNIT_PERCENT;
- s->opt[OPT_THRESHOLD].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_THRESHOLD].constraint.range = &percentage_range;
- s->threshold = SANE_FIX(50);
-
- /* BW threshold curve */
- s->opt[OPT_THRESHOLD_CURVE].name = "threshold-curve";
- s->opt[OPT_THRESHOLD_CURVE].title = SANE_I18N ("Threshold curve");
- s->opt[OPT_THRESHOLD_CURVE].desc = SANE_I18N ("Dynamic threshold curve, from light to dark, normally 50-65");
- s->opt[OPT_THRESHOLD_CURVE].type = SANE_TYPE_INT;
- s->opt[OPT_THRESHOLD_CURVE].unit = SANE_UNIT_NONE;
- s->opt[OPT_THRESHOLD_CURVE].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_THRESHOLD_CURVE].constraint.range = &threshold_curve_range;
- s->threshold_curve = 50;
-
- /* dynamic linart */
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].name = "disable-dynamic-lineart";
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].title = SANE_I18N ("Disable dynamic lineart");
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].desc =
- SANE_I18N ("Disable use of a software adaptive algorithm to generate lineart relying instead on hardware lineart.");
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].type = SANE_TYPE_BOOL;
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].unit = SANE_UNIT_NONE;
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].constraint_type = SANE_CONSTRAINT_NONE;
- s->disable_dynamic_lineart = false;
-
- /* fastmod is required for hw lineart to work */
- if ((s->dev->model->asic_type == GENESYS_GL646)
- &&(s->dev->model->motor_type != MOTOR_XP200))
- {
- s->opt[OPT_DISABLE_DYNAMIC_LINEART].cap = SANE_CAP_INACTIVE;
- }
-
- /* disable_interpolation */
- s->opt[OPT_DISABLE_INTERPOLATION].name = "disable-interpolation";
- s->opt[OPT_DISABLE_INTERPOLATION].title =
- SANE_I18N ("Disable interpolation");
- s->opt[OPT_DISABLE_INTERPOLATION].desc =
- SANE_I18N
- ("When using high resolutions where the horizontal resolution is smaller "
- "than the vertical resolution this disables horizontal interpolation.");
- s->opt[OPT_DISABLE_INTERPOLATION].type = SANE_TYPE_BOOL;
- s->opt[OPT_DISABLE_INTERPOLATION].unit = SANE_UNIT_NONE;
- s->opt[OPT_DISABLE_INTERPOLATION].constraint_type = SANE_CONSTRAINT_NONE;
- s->disable_interpolation = false;
-
- /* color filter */
- s->opt[OPT_COLOR_FILTER].name = "color-filter";
- s->opt[OPT_COLOR_FILTER].title = SANE_I18N ("Color filter");
- s->opt[OPT_COLOR_FILTER].desc =
- SANE_I18N
- ("When using gray or lineart this option selects the used color.");
- s->opt[OPT_COLOR_FILTER].type = SANE_TYPE_STRING;
- s->opt[OPT_COLOR_FILTER].constraint_type = SANE_CONSTRAINT_STRING_LIST;
- /* true gray not yet supported for GL847 and GL124 scanners */
- if(!model->is_cis || model->asic_type==GENESYS_GL847 || model->asic_type==GENESYS_GL124)
- {
- s->opt[OPT_COLOR_FILTER].size = max_string_size (color_filter_list);
- s->opt[OPT_COLOR_FILTER].constraint.string_list = color_filter_list;
- s->color_filter = s->opt[OPT_COLOR_FILTER].constraint.string_list[1];
- }
- else
- {
- s->opt[OPT_COLOR_FILTER].size = max_string_size (cis_color_filter_list);
- s->opt[OPT_COLOR_FILTER].constraint.string_list = cis_color_filter_list;
- /* default to "None" ie true gray */
- s->color_filter = s->opt[OPT_COLOR_FILTER].constraint.string_list[3];
- }
-
- /* no support for color filter for cis+gl646 scanners */
- if (model->asic_type == GENESYS_GL646 && model->is_cis)
- {
- DISABLE (OPT_COLOR_FILTER);
- }
-
- /* calibration store file name */
- s->opt[OPT_CALIBRATION_FILE].name = "calibration-file";
- s->opt[OPT_CALIBRATION_FILE].title = SANE_I18N ("Calibration file");
- s->opt[OPT_CALIBRATION_FILE].desc = SANE_I18N ("Specify the calibration file to use");
- s->opt[OPT_CALIBRATION_FILE].type = SANE_TYPE_STRING;
- s->opt[OPT_CALIBRATION_FILE].unit = SANE_UNIT_NONE;
- s->opt[OPT_CALIBRATION_FILE].size = PATH_MAX;
- s->opt[OPT_CALIBRATION_FILE].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT | SANE_CAP_ADVANCED;
- s->opt[OPT_CALIBRATION_FILE].constraint_type = SANE_CONSTRAINT_NONE;
- s->calibration_file.clear();
- /* disable option if ran as root */
-#ifdef HAVE_GETUID
- if(geteuid()==0)
- {
- DISABLE (OPT_CALIBRATION_FILE);
- }
-#endif
-
- /* expiration time for calibration cache entries */
- s->opt[OPT_EXPIRATION_TIME].name = "expiration-time";
- s->opt[OPT_EXPIRATION_TIME].title = SANE_I18N ("Calibration cache expiration time");
- s->opt[OPT_EXPIRATION_TIME].desc = SANE_I18N ("Time (in minutes) before a cached calibration expires. "
- "A value of 0 means cache is not used. A negative value means cache never expires.");
- s->opt[OPT_EXPIRATION_TIME].type = SANE_TYPE_INT;
- s->opt[OPT_EXPIRATION_TIME].unit = SANE_UNIT_NONE;
- s->opt[OPT_EXPIRATION_TIME].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_EXPIRATION_TIME].constraint.range = &expiration_range;
- s->expiration_time = 60; // 60 minutes by default
-
- /* Powersave time (turn lamp off) */
- s->opt[OPT_LAMP_OFF_TIME].name = "lamp-off-time";
- s->opt[OPT_LAMP_OFF_TIME].title = SANE_I18N ("Lamp off time");
- s->opt[OPT_LAMP_OFF_TIME].desc =
- SANE_I18N
- ("The lamp will be turned off after the given time (in minutes). "
- "A value of 0 means, that the lamp won't be turned off.");
- s->opt[OPT_LAMP_OFF_TIME].type = SANE_TYPE_INT;
- s->opt[OPT_LAMP_OFF_TIME].unit = SANE_UNIT_NONE;
- s->opt[OPT_LAMP_OFF_TIME].constraint_type = SANE_CONSTRAINT_RANGE;
- s->opt[OPT_LAMP_OFF_TIME].constraint.range = &time_range;
- s->lamp_off_time = 15; // 15 minutes
-
- /* turn lamp off during scan */
- s->opt[OPT_LAMP_OFF].name = "lamp-off-scan";
- s->opt[OPT_LAMP_OFF].title = SANE_I18N ("Lamp off during scan");
- s->opt[OPT_LAMP_OFF].desc = SANE_I18N ("The lamp will be turned off during scan. ");
- s->opt[OPT_LAMP_OFF].type = SANE_TYPE_BOOL;
- s->opt[OPT_LAMP_OFF].unit = SANE_UNIT_NONE;
- s->opt[OPT_LAMP_OFF].constraint_type = SANE_CONSTRAINT_NONE;
- s->lamp_off = false;
-
- s->opt[OPT_SENSOR_GROUP].title = SANE_TITLE_SENSORS;
- s->opt[OPT_SENSOR_GROUP].desc = SANE_DESC_SENSORS;
- s->opt[OPT_SENSOR_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_SENSOR_GROUP].cap = SANE_CAP_ADVANCED;
- s->opt[OPT_SENSOR_GROUP].size = 0;
- s->opt[OPT_SENSOR_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- s->opt[OPT_SCAN_SW].name = SANE_NAME_SCAN;
- s->opt[OPT_SCAN_SW].title = SANE_TITLE_SCAN;
- s->opt[OPT_SCAN_SW].desc = SANE_DESC_SCAN;
- s->opt[OPT_SCAN_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_SCAN_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_SCAN_SW)
- s->opt[OPT_SCAN_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_SCAN_SW].cap = SANE_CAP_INACTIVE;
-
- /* SANE_NAME_FILE is not for buttons */
- s->opt[OPT_FILE_SW].name = "file";
- s->opt[OPT_FILE_SW].title = SANE_I18N ("File button");
- s->opt[OPT_FILE_SW].desc = SANE_I18N ("File button");
- s->opt[OPT_FILE_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_FILE_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_FILE_SW)
- s->opt[OPT_FILE_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_FILE_SW].cap = SANE_CAP_INACTIVE;
-
- s->opt[OPT_EMAIL_SW].name = SANE_NAME_EMAIL;
- s->opt[OPT_EMAIL_SW].title = SANE_TITLE_EMAIL;
- s->opt[OPT_EMAIL_SW].desc = SANE_DESC_EMAIL;
- s->opt[OPT_EMAIL_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_EMAIL_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_EMAIL_SW)
- s->opt[OPT_EMAIL_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_EMAIL_SW].cap = SANE_CAP_INACTIVE;
-
- s->opt[OPT_COPY_SW].name = SANE_NAME_COPY;
- s->opt[OPT_COPY_SW].title = SANE_TITLE_COPY;
- s->opt[OPT_COPY_SW].desc = SANE_DESC_COPY;
- s->opt[OPT_COPY_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_COPY_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_COPY_SW)
- s->opt[OPT_COPY_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_COPY_SW].cap = SANE_CAP_INACTIVE;
-
- s->opt[OPT_PAGE_LOADED_SW].name = SANE_NAME_PAGE_LOADED;
- s->opt[OPT_PAGE_LOADED_SW].title = SANE_TITLE_PAGE_LOADED;
- s->opt[OPT_PAGE_LOADED_SW].desc = SANE_DESC_PAGE_LOADED;
- s->opt[OPT_PAGE_LOADED_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_PAGE_LOADED_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_PAGE_LOADED_SW)
- s->opt[OPT_PAGE_LOADED_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_PAGE_LOADED_SW].cap = SANE_CAP_INACTIVE;
-
- /* OCR button */
- s->opt[OPT_OCR_SW].name = "ocr";
- s->opt[OPT_OCR_SW].title = SANE_I18N ("OCR button");
- s->opt[OPT_OCR_SW].desc = SANE_I18N ("OCR button");
- s->opt[OPT_OCR_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_OCR_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_OCR_SW)
- s->opt[OPT_OCR_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_OCR_SW].cap = SANE_CAP_INACTIVE;
-
- /* power button */
- s->opt[OPT_POWER_SW].name = "power";
- s->opt[OPT_POWER_SW].title = SANE_I18N ("Power button");
- s->opt[OPT_POWER_SW].desc = SANE_I18N ("Power button");
- s->opt[OPT_POWER_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_POWER_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_POWER_SW)
- s->opt[OPT_POWER_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_POWER_SW].cap = SANE_CAP_INACTIVE;
-
- /* extra button */
- s->opt[OPT_EXTRA_SW].name = "extra";
- s->opt[OPT_EXTRA_SW].title = SANE_I18N ("Extra button");
- s->opt[OPT_EXTRA_SW].desc = SANE_I18N ("Extra button");
- s->opt[OPT_EXTRA_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_EXTRA_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_EXTRA_SW)
- s->opt[OPT_EXTRA_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_EXTRA_SW].cap = SANE_CAP_INACTIVE;
-
- /* calibration needed */
- s->opt[OPT_NEED_CALIBRATION_SW].name = "need-calibration";
- s->opt[OPT_NEED_CALIBRATION_SW].title = SANE_I18N ("Need calibration");
- s->opt[OPT_NEED_CALIBRATION_SW].desc = SANE_I18N ("The scanner needs calibration for the current settings");
- s->opt[OPT_NEED_CALIBRATION_SW].type = SANE_TYPE_BOOL;
- s->opt[OPT_NEED_CALIBRATION_SW].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_CALIBRATE)
- s->opt[OPT_NEED_CALIBRATION_SW].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_HARD_SELECT | SANE_CAP_ADVANCED;
- else
- s->opt[OPT_NEED_CALIBRATION_SW].cap = SANE_CAP_INACTIVE;
-
- /* button group */
- s->opt[OPT_BUTTON_GROUP].title = SANE_I18N ("Buttons");
- s->opt[OPT_BUTTON_GROUP].desc = "";
- s->opt[OPT_BUTTON_GROUP].type = SANE_TYPE_GROUP;
- s->opt[OPT_BUTTON_GROUP].cap = SANE_CAP_ADVANCED;
- s->opt[OPT_BUTTON_GROUP].size = 0;
- s->opt[OPT_BUTTON_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
-
- /* calibrate button */
- s->opt[OPT_CALIBRATE].name = "calibrate";
- s->opt[OPT_CALIBRATE].title = SANE_I18N ("Calibrate");
- s->opt[OPT_CALIBRATE].desc =
- SANE_I18N ("Start calibration using special sheet");
- s->opt[OPT_CALIBRATE].type = SANE_TYPE_BUTTON;
- s->opt[OPT_CALIBRATE].unit = SANE_UNIT_NONE;
- if (model->buttons & GENESYS_HAS_CALIBRATE)
- s->opt[OPT_CALIBRATE].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT | SANE_CAP_ADVANCED |
- SANE_CAP_AUTOMATIC;
- else
- s->opt[OPT_CALIBRATE].cap = SANE_CAP_INACTIVE;
-
- /* clear calibration cache button */
- s->opt[OPT_CLEAR_CALIBRATION].name = "clear-calibration";
- s->opt[OPT_CLEAR_CALIBRATION].title = SANE_I18N ("Clear calibration");
- s->opt[OPT_CLEAR_CALIBRATION].desc = SANE_I18N ("Clear calibration cache");
- s->opt[OPT_CLEAR_CALIBRATION].type = SANE_TYPE_BUTTON;
- s->opt[OPT_CLEAR_CALIBRATION].unit = SANE_UNIT_NONE;
- s->opt[OPT_CLEAR_CALIBRATION].size = 0;
- s->opt[OPT_CLEAR_CALIBRATION].constraint_type = SANE_CONSTRAINT_NONE;
- s->opt[OPT_CLEAR_CALIBRATION].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT | SANE_CAP_ADVANCED;
-
- /* force calibration cache button */
- s->opt[OPT_FORCE_CALIBRATION].name = "force-calibration";
- s->opt[OPT_FORCE_CALIBRATION].title = SANE_I18N("Force calibration");
- s->opt[OPT_FORCE_CALIBRATION].desc = SANE_I18N("Force calibration ignoring all and any calibration caches");
- s->opt[OPT_FORCE_CALIBRATION].type = SANE_TYPE_BUTTON;
- s->opt[OPT_FORCE_CALIBRATION].unit = SANE_UNIT_NONE;
- s->opt[OPT_FORCE_CALIBRATION].size = 0;
- s->opt[OPT_FORCE_CALIBRATION].constraint_type = SANE_CONSTRAINT_NONE;
- s->opt[OPT_FORCE_CALIBRATION].cap =
- SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT | SANE_CAP_ADVANCED;
-
- RIE (calc_parameters (s));
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Bool present;
-
-// this function is passed to C API, it must not throw
-static SANE_Status
-check_present (SANE_String_Const devname) noexcept
-{
- present=SANE_TRUE;
- DBG(DBG_io, "%s: %s detected.\n", __func__, devname);
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-attach (SANE_String_Const devname, Genesys_Device ** devp, SANE_Bool may_wait)
-{
- DBG_HELPER(dbg);
-
- Genesys_Device *dev = 0;
- unsigned int i;
-
-
- DBG(DBG_proc, "%s: start: devp %s NULL, may_wait = %d\n", __func__, devp ? "!=" : "==", may_wait);
-
- if (devp)
- *devp = 0;
-
- if (!devname)
- {
- DBG(DBG_error, "%s: devname == NULL\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- for (auto& dev : *s_devices) {
- if (strcmp(dev.file_name, devname) == 0) {
- if (devp)
- *devp = &dev;
- DBG(DBG_info, "%s: device `%s' was already in device list\n", __func__, devname);
- return SANE_STATUS_GOOD;
- }
- }
-
- DBG(DBG_info, "%s: trying to open device `%s'\n", __func__, devname);
-
- UsbDevice usb_dev;
-
- usb_dev.open(devname);
- DBG(DBG_info, "%s: device `%s' successfully opened\n", __func__, devname);
-
- int vendor, product;
- usb_dev.get_vendor_product(vendor, product);
-
- /* KV-SS080 is an auxiliary device which requires a master device to be here */
- if(vendor == 0x04da && product == 0x100f)
- {
- present=SANE_FALSE;
- sanei_usb_find_devices (vendor, 0x1006, check_present);
- sanei_usb_find_devices (vendor, 0x1007, check_present);
- sanei_usb_find_devices (vendor, 0x1010, check_present);
- if (present == SANE_FALSE) {
- throw SaneException("master device not present");
- }
- }
-
- bool found_dev = false;
- for (i = 0; i < MAX_SCANNERS && genesys_usb_device_list[i].model != 0; i++)
- {
- if (vendor == genesys_usb_device_list[i].vendor &&
- product == genesys_usb_device_list[i].product)
- {
- found_dev = true;
- break;
- }
- }
-
- if (!found_dev) {
- DBG(DBG_error, "%s: vendor 0x%xd product 0x%xd is not supported by this backend\n", __func__,
- vendor, product);
- return SANE_STATUS_INVAL;
- }
-
- char* new_devname = strdup (devname);
- if (!new_devname) {
- return SANE_STATUS_NO_MEM;
- }
-
- s_devices->emplace_back();
- dev = &s_devices->back();
- dev->file_name = new_devname;
-
- dev->model = genesys_usb_device_list[i].model;
- dev->vendorId = genesys_usb_device_list[i].vendor;
- dev->productId = genesys_usb_device_list[i].product;
- dev->usb_mode = 0; /* i.e. unset */
- dev->already_initialized = SANE_FALSE;
-
- DBG(DBG_info, "%s: found %s flatbed scanner %s at %s\n", __func__, dev->model->vendor,
- dev->model->model, dev->file_name);
-
- if (devp) {
- *devp = dev;
- }
-
- usb_dev.close();
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-attach_one_device_impl(SANE_String_Const devname)
-{
- Genesys_Device *dev;
- SANE_Status status = SANE_STATUS_GOOD;
-
- RIE (attach (devname, &dev, SANE_FALSE));
-
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status attach_one_device(SANE_String_Const devname)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return attach_one_device_impl(devname);
- });
-}
-
-/* configuration framework functions */
-
-// this function is passed to C API, it must not throw
-static SANE_Status
-config_attach_genesys(SANEI_Config __sane_unused__ *config, const char *devname) noexcept
-{
- /* the devname has been processed and is ready to be used
- * directly. Since the backend is an USB only one, we can
- * call sanei_usb_attach_matching_devices straight */
- sanei_usb_attach_matching_devices (devname, attach_one_device);
-
- return SANE_STATUS_GOOD;
-}
-
-/* probes for scanner to attach to the backend */
-static SANE_Status
-probe_genesys_devices (void)
-{
- SANEI_Config config;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* set configuration options structure : no option for this backend */
- config.descriptors = NULL;
- config.values = NULL;
- config.count = 0;
-
- /* generic configure and attach function */
- status = sanei_configure_attach (GENESYS_CONFIG_FILE, &config,
- config_attach_genesys);
-
- DBG(DBG_info, "%s: %d devices currently attached\n", __func__, (int) s_devices->size());
-
- DBGCOMPLETED;
-
- return status;
-}
-
-/**
- * This should be changed if one of the substructures of
- Genesys_Calibration_Cache change, but it must be changed if there are
- changes that don't change size -- at least for now, as we store most
- of Genesys_Calibration_Cache as is.
-*/
-static const char* CALIBRATION_IDENT = "sane_genesys";
-static const int CALIBRATION_VERSION = 2;
-
-bool read_calibration(std::istream& str, Genesys_Device::Calibration& calibration,
- const std::string& path)
-{
- std::string ident;
- serialize(str, ident);
-
- if (ident != CALIBRATION_IDENT) {
- DBG(DBG_info, "%s: Incorrect calibration file '%s' header\n", __func__, path.c_str());
- return false;
- }
-
- size_t version;
- serialize(str, version);
-
- if (version != CALIBRATION_VERSION) {
- DBG(DBG_info, "%s: Incorrect calibration file '%s' version\n", __func__, path.c_str());
- return false;
- }
-
- calibration.clear();
- serialize(str, calibration);
- return true;
-}
-
-/**
- * reads previously cached calibration data
- * from file defined in dev->calib_file
- */
-static bool sanei_genesys_read_calibration(Genesys_Device::Calibration& calibration,
- const std::string& path)
-{
- DBG_HELPER(dbg);
-
- std::ifstream str;
- str.open(path);
- if (!str.is_open()) {
- DBG(DBG_info, "%s: Cannot open %s\n", __func__, path.c_str());
- return false;
- }
-
- return read_calibration(str, calibration, path);
-}
-
-void write_calibration(std::ostream& str, Genesys_Device::Calibration& calibration)
-{
- std::string ident = CALIBRATION_IDENT;
- serialize(str, ident);
- size_t version = CALIBRATION_VERSION;
- serialize(str, version);
- serialize_newline(str);
- serialize(str, calibration);
-}
-
-static void write_calibration(Genesys_Device::Calibration& calibration, const std::string& path)
-{
- DBG_HELPER(dbg);
-
- std::ofstream str;
- str.open(path);
- if (!str.is_open()) {
- throw SaneException("Cannot open calibration for writing");
- }
- write_calibration(str, calibration);
-}
-
-/** @brief buffer scanned picture
- * In order to allow digital processing, we must be able to put all the
- * scanned picture in a buffer.
- */
-static SANE_Status
-genesys_buffer_image(Genesys_Scanner *s)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- size_t maximum; /**> maximum bytes size of the scan */
- size_t len; /**> length of scanned data read */
- size_t total; /**> total of butes read */
- size_t size; /**> size of image buffer */
- size_t read_size; /**> size of reads */
- int lines; /** number of lines of the scan */
- Genesys_Device *dev = s->dev;
-
- /* compute maximum number of lines for the scan */
- if (s->params.lines > 0)
- {
- lines = s->params.lines;
- }
- else
- {
- lines =
- (SANE_UNFIX (dev->model->y_size) * dev->settings.yres) / MM_PER_INCH;
- }
- DBG(DBG_info, "%s: buffering %d lines of %d bytes\n", __func__, lines,
- s->params.bytes_per_line);
-
- /* maximum bytes to read */
- maximum = s->params.bytes_per_line * lines;
- if(s->dev->settings.dynamic_lineart==SANE_TRUE)
- {
- maximum *= 8;
- }
-
- /* initial size of the read buffer */
- size =
- ((2048 * 2048) / s->params.bytes_per_line) * s->params.bytes_per_line;
-
- /* read size */
- read_size = size / 2;
-
- dev->img_buffer.resize(size);
-
- /* loop reading data until we reach maximum or EOF */
- total = 0;
- while (total < maximum && status != SANE_STATUS_EOF)
- {
- len = size - maximum;
- if (len > read_size)
- {
- len = read_size;
- }
-
- status = genesys_read_ordered_data(dev, dev->img_buffer.data() + total, &len);
- if (status != SANE_STATUS_EOF && status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: %s buffering failed\n", __func__, sane_strstatus(status));
- return status;
- }
- total += len;
-
- /* do we need to enlarge read buffer ? */
- if (total + read_size > size && status != SANE_STATUS_EOF)
- {
- size += read_size;
- dev->img_buffer.resize(size);
- }
- }
-
- /* since digital processing is going to take place,
- * issue head parking command so that the head move while
- * computing so we can save time
- */
- if (dev->model->is_sheetfed == SANE_FALSE &&
- dev->parking == SANE_FALSE)
- {
- dev->model->cmd_set->slow_back_home (dev, dev->model->flags & GENESYS_FLAG_MUST_WAIT);
- dev->parking = !(s->dev->model->flags & GENESYS_FLAG_MUST_WAIT);
- }
-
- /* in case of dynamic lineart, we have buffered gray data which
- * must be converted to lineart first */
- if(s->dev->settings.dynamic_lineart==SANE_TRUE)
- {
- total/=8;
- std::vector<uint8_t> lineart(total);
-
- genesys_gray_lineart (dev,
- dev->img_buffer.data(),
- lineart.data(),
- dev->settings.pixels,
- (total*8)/dev->settings.pixels,
- dev->settings.threshold);
- dev->img_buffer = lineart;
- }
-
- /* update counters */
- dev->total_bytes_to_read = total;
- dev->total_bytes_read = 0;
-
- /* update params */
- s->params.lines = total / s->params.bytes_per_line;
- if (DBG_LEVEL >= DBG_io2)
- {
- sanei_genesys_write_pnm_file("gl_unprocessed.pnm", dev->img_buffer.data(), s->params.depth,
- s->params.format==SANE_FRAME_RGB ? 3 : 1,
- s->params.pixels_per_line, s->params.lines);
- }
-
- return SANE_STATUS_GOOD;
-}
-
-/* -------------------------- SANE API functions ------------------------- */
-
-SANE_Status
-sane_init_impl(SANE_Int * version_code, SANE_Auth_Callback authorize)
-{
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBG_INIT ();
- DBG(DBG_init, "SANE Genesys backend version %d.%d from %s\n",
- SANE_CURRENT_MAJOR, V_MINOR, PACKAGE_STRING);
-#ifdef HAVE_LIBUSB
- DBG(DBG_init, "SANE Genesys backend built with libusb-1.0\n");
-#endif
-#ifdef HAVE_LIBUSB_LEGACY
- DBG(DBG_init, "SANE Genesys backend built with libusb\n");
-#endif
-
- if (version_code)
- *version_code = SANE_VERSION_CODE (SANE_CURRENT_MAJOR, V_MINOR, 0);
-
- DBG(DBG_proc, "%s: authorize %s null\n", __func__, authorize ? "!=" : "==");
-
- /* init usb use */
- sanei_usb_init ();
-
- /* init sanei_magic */
- sanei_magic_init();
-
- s_scanners.init();
- s_devices.init();
- s_sane_devices.init();
- s_sane_devices_ptrs.init();
- genesys_init_sensor_tables();
- genesys_init_frontend_tables();
-
- DBG(DBG_info, "%s: %s endian machine\n", __func__,
-#ifdef WORDS_BIGENDIAN
- "big"
-#else
- "little"
-#endif
- );
-
- /* cold-plug case :detection of allready connected scanners */
- status = probe_genesys_devices ();
-
- DBGCOMPLETED;
-
- return status;
-}
-
-
-extern "C" SANE_Status sane_init(SANE_Int * version_code, SANE_Auth_Callback authorize)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_init_impl(version_code, authorize);
- });
-}
-
-void
-sane_exit_impl(void)
-{
- DBGSTART;
-
- sanei_usb_exit();
-
- run_functions_at_backend_exit();
-
- DBGCOMPLETED;
-}
-
-void sane_exit()
-{
- catch_all_exceptions(__func__, [](){ sane_exit_impl(); });
-}
-
-SANE_Status
-sane_get_devices_impl(const SANE_Device *** device_list, SANE_Bool local_only)
-{
- DBG(DBG_proc, "%s: start: local_only = %s\n", __func__,
- local_only == SANE_TRUE ? "true" : "false");
-
- /* hot-plug case : detection of newly connected scanners */
- sanei_usb_scan_devices ();
- probe_genesys_devices ();
-
- s_sane_devices->clear();
- s_sane_devices_ptrs->clear();
- s_sane_devices->reserve(s_devices->size());
- s_sane_devices_ptrs->reserve(s_devices->size() + 1);
-
- for (auto dev_it = s_devices->begin(); dev_it != s_devices->end();) {
- present = SANE_FALSE;
- sanei_usb_find_devices(dev_it->vendorId, dev_it->productId, check_present);
- if (present) {
- s_sane_devices->emplace_back();
- auto& sane_device = s_sane_devices->back();
- sane_device.name = dev_it->file_name;
- sane_device.vendor = dev_it->model->vendor;
- sane_device.model = dev_it->model->model;
- sane_device.type = "flatbed scanner";
- s_sane_devices_ptrs->push_back(&sane_device);
- dev_it++;
- } else {
- dev_it = s_devices->erase(dev_it);
- }
- }
- s_sane_devices_ptrs->push_back(nullptr);
-
- *((SANE_Device ***)device_list) = s_sane_devices_ptrs->data();
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-SANE_Status sane_get_devices(const SANE_Device *** device_list, SANE_Bool local_only)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_get_devices_impl(device_list, local_only);
- });
-}
-
-SANE_Status
-sane_open_impl(SANE_String_Const devicename, SANE_Handle * handle)
-{
- DBG_HELPER(dbg);
- Genesys_Device *dev = nullptr;
- SANE_Status status = SANE_STATUS_GOOD;
- char *tmpstr;
-
- DBG(DBG_proc, "%s: devicename = `%s')\n", __func__, devicename);
-
- /* devicename="" or devicename="genesys" are default values that use
- * first available device
- */
- if (devicename[0] && strcmp ("genesys", devicename) != 0)
- {
- /* search for the given devicename in the device list */
- for (auto& d : *s_devices) {
- if (strcmp(d.file_name, devicename) == 0) {
- dev = &d;
- break;
- }
- }
-
- if (!dev)
- {
- DBG(DBG_info, "%s: couldn't find `%s' in devlist, trying attach\n", __func__, devicename);
- RIE (attach (devicename, &dev, SANE_TRUE));
- }
- else
- DBG(DBG_info, "%s: found `%s' in devlist\n", __func__, dev->model->name);
- }
- else
- {
- // empty devicename or "genesys" -> use first device
- if (!s_devices->empty()) {
- dev = &s_devices->front();
- devicename = dev->file_name;
- DBG(DBG_info, "%s: empty devicename, trying `%s'\n", __func__, devicename);
- }
- }
-
- if (!dev)
- return SANE_STATUS_INVAL;
-
- if (dev->model->flags & GENESYS_FLAG_UNTESTED)
- {
- DBG(DBG_error0, "WARNING: Your scanner is not fully supported or at least \n");
- DBG(DBG_error0, " had only limited testing. Please be careful and \n");
- DBG(DBG_error0, " report any failure/success to \n");
- DBG(DBG_error0, " sane-devel@alioth-lists.debian.net. Please provide as many\n");
- DBG(DBG_error0, " details as possible, e.g. the exact name of your\n");
- DBG(DBG_error0, " scanner and what does (not) work.\n");
- }
-
- dbg.vstatus("open device '%s'", dev->file_name);
- dev->usb_dev.open(dev->file_name);
- dbg.clear();
-
-
- s_scanners->push_back(Genesys_Scanner());
- auto* s = &s_scanners->back();
-
- s->dev = dev;
- s->scanning = SANE_FALSE;
- s->dev->parking = SANE_FALSE;
- s->dev->read_active = SANE_FALSE;
- s->dev->force_calibration = 0;
- s->dev->line_interp = 0;
- s->dev->line_count = 0;
- s->dev->segnb = 0;
- s->dev->binary=NULL;
-
- *handle = s;
-
- if (!dev->already_initialized)
- sanei_genesys_init_structs (dev);
-
- RIE (init_options (s));
-
- if (sanei_genesys_init_cmd_set (s->dev) != SANE_STATUS_GOOD)
- {
- DBG(DBG_error0, "This device doesn't have a valid command set!!\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- // FIXME: we create sensor tables for the sensor, this should happen when we know which sensor
- // we will select
- RIE (dev->model->cmd_set->init(dev));
-
- /* some hardware capabilities are detected through sensors */
- RIE (s->dev->model->cmd_set->update_hardware_sensors (s));
-
- /* here is the place to fetch a stored calibration cache */
- if (s->dev->force_calibration == 0)
- {
- tmpstr=calibration_filename(s->dev);
- s->calibration_file = tmpstr;
- s->dev->calib_file = tmpstr;
- DBG(DBG_info, "%s: Calibration filename set to:\n", __func__);
- DBG(DBG_info, "%s: >%s<\n", __func__, s->dev->calib_file.c_str());
- free(tmpstr);
-
- catch_all_exceptions(__func__, [&]()
- {
- sanei_genesys_read_calibration(s->dev->calibration_cache, s->dev->calib_file);
- });
- }
-
- return SANE_STATUS_GOOD;
-}
-
-SANE_Status sane_open(SANE_String_Const devicename, SANE_Handle* handle)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_open_impl(devicename, handle);
- });
-}
-
-void
-sane_close_impl(SANE_Handle handle)
-{
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* remove handle from list of open handles: */
- auto it = s_scanners->end();
- for (auto it2 = s_scanners->begin(); it2 != s_scanners->end(); it2++)
- {
- if (&*it2 == handle) {
- it = it2;
- break;
- }
- }
- if (it == s_scanners->end())
- {
- DBG(DBG_error, "%s: invalid handle %p\n", __func__, handle);
- return; /* oops, not a handle we know about */
- }
-
- Genesys_Scanner* s = &*it;
-
- /* eject document for sheetfed scanners */
- if (s->dev->model->is_sheetfed == SANE_TRUE)
- {
- s->dev->model->cmd_set->eject_document (s->dev);
- }
- else
- {
- /* in case scanner is parking, wait for the head
- * to reach home position */
- if(s->dev->parking==SANE_TRUE)
- {
- status = sanei_genesys_wait_for_home (s->dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to wait for head to park: %s\n", __func__,
- sane_strstatus(status));
- }
- }
- }
-
- /* enable power saving before leaving */
- status = s->dev->model->cmd_set->save_power (s->dev, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to enable power saving mode: %s\n", __func__,
- sane_strstatus(status));
- }
-
- // here is the place to store calibration cache
- if (s->dev->force_calibration == 0) {
- catch_all_exceptions(__func__, [&](){ write_calibration(s->dev->calibration_cache,
- s->dev->calib_file); });
- }
-
- s->dev->already_initialized = SANE_FALSE;
-
- /* for an handful of bytes .. */
- free ((void *)(size_t)s->opt[OPT_RESOLUTION].constraint.word_list);
- free ((void *)(size_t)s->opt[OPT_TL_X].constraint.range);
- free ((void *)(size_t)s->opt[OPT_TL_Y].constraint.range);
-
- s->dev->clear();
-
- /* LAMP OFF : same register across all the ASICs */
- sanei_genesys_write_register (s->dev, 0x03, 0x00);
-
- catch_all_exceptions(__func__, [&](){ s->dev->usb_dev.clear_halt(); });
-
- // we need this to avoid these ASIC getting stuck in bulk writes
- catch_all_exceptions(__func__, [&](){ s->dev->usb_dev.reset(); });
-
- // not freeing s->dev because it's in the dev list
- catch_all_exceptions(__func__, [&](){ s->dev->usb_dev.close(); });
-
- s_scanners->erase(it);
-
- DBGCOMPLETED;
-}
-
-void sane_close(SANE_Handle handle)
-{
- catch_all_exceptions(__func__, [=]()
- {
- sane_close_impl(handle);
- });
-}
-
-const SANE_Option_Descriptor *
-sane_get_option_descriptor_impl(SANE_Handle handle, SANE_Int option)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
-
- if ((unsigned) option >= NUM_OPTIONS)
- return 0;
- DBG(DBG_io2, "%s: option = %s (%d)\n", __func__, s->opt[option].name, option);
- return s->opt + option;
-}
-
-
-const SANE_Option_Descriptor *
-sane_get_option_descriptor(SANE_Handle handle, SANE_Int option)
-{
- const SANE_Option_Descriptor* ret = NULL;
- catch_all_exceptions(__func__, [&]()
- {
- ret = sane_get_option_descriptor_impl(handle, option);
- });
- return ret;
-}
-
-/* gets an option , called by sane_control_option */
-static SANE_Status
-get_option_value (Genesys_Scanner * s, int option, void *val)
-{
- unsigned int i;
- SANE_Word* table = nullptr;
- std::vector<uint16_t> gamma_table;
- unsigned option_size = 0;
- SANE_Status status = SANE_STATUS_GOOD;
-
- // FIXME: we should pick correct sensor here
- const Genesys_Sensor& sensor = sanei_genesys_find_sensor_any(s->dev);
-
- switch (option)
- {
- /* geometry */
- case OPT_TL_X:
- *reinterpret_cast<SANE_Word*>(val) = s->pos_top_left_x;
- break;
- case OPT_TL_Y:
- *reinterpret_cast<SANE_Word*>(val) = s->pos_top_left_y;
- break;
- case OPT_BR_X:
- *reinterpret_cast<SANE_Word*>(val) = s->pos_bottom_right_x;
- break;
- case OPT_BR_Y:
- *reinterpret_cast<SANE_Word*>(val) = s->pos_bottom_right_y;
- break;
- /* word options: */
- case OPT_NUM_OPTS:
- *reinterpret_cast<SANE_Word*>(val) = NUM_OPTIONS;
- break;
- case OPT_RESOLUTION:
- *reinterpret_cast<SANE_Word*>(val) = s->resolution;
- break;
- case OPT_BIT_DEPTH:
- *reinterpret_cast<SANE_Word*>(val) = s->bit_depth;
- break;
- case OPT_PREVIEW:
- *reinterpret_cast<SANE_Word*>(val) = s->preview;
- break;
- case OPT_THRESHOLD:
- *reinterpret_cast<SANE_Word*>(val) = s->threshold;
- break;
- case OPT_THRESHOLD_CURVE:
- *reinterpret_cast<SANE_Word*>(val) = s->threshold_curve;
- break;
- case OPT_DISABLE_DYNAMIC_LINEART:
- *reinterpret_cast<SANE_Word*>(val) = s->disable_dynamic_lineart;
- break;
- case OPT_DISABLE_INTERPOLATION:
- *reinterpret_cast<SANE_Word*>(val) = s->disable_interpolation;
- break;
- case OPT_LAMP_OFF:
- *reinterpret_cast<SANE_Word*>(val) = s->lamp_off;
- break;
- case OPT_LAMP_OFF_TIME:
- *reinterpret_cast<SANE_Word*>(val) = s->lamp_off_time;
- break;
- case OPT_SWDESKEW:
- *reinterpret_cast<SANE_Word*>(val) = s->swdeskew;
- break;
- case OPT_SWCROP:
- *reinterpret_cast<SANE_Word*>(val) = s->swcrop;
- break;
- case OPT_SWDESPECK:
- *reinterpret_cast<SANE_Word*>(val) = s->swdespeck;
- break;
- case OPT_SWDEROTATE:
- *reinterpret_cast<SANE_Word*>(val) = s->swderotate;
- break;
- case OPT_SWSKIP:
- *reinterpret_cast<SANE_Word*>(val) = s->swskip;
- break;
- case OPT_DESPECK:
- *reinterpret_cast<SANE_Word*>(val) = s->despeck;
- break;
- case OPT_CONTRAST:
- *reinterpret_cast<SANE_Word*>(val) = s->contrast;
- break;
- case OPT_BRIGHTNESS:
- *reinterpret_cast<SANE_Word*>(val) = s->brightness;
- break;
- case OPT_EXPIRATION_TIME:
- *reinterpret_cast<SANE_Word*>(val) = s->expiration_time;
- break;
- case OPT_CUSTOM_GAMMA:
- *reinterpret_cast<SANE_Word*>(val) = s->custom_gamma;
- break;
-
- /* string options: */
- case OPT_MODE:
- std::strcpy(reinterpret_cast<char*>(val), s->mode.c_str());
- break;
- case OPT_COLOR_FILTER:
- std::strcpy(reinterpret_cast<char*>(val), s->color_filter.c_str());
- break;
- case OPT_CALIBRATION_FILE:
- std::strcpy(reinterpret_cast<char*>(val), s->calibration_file.c_str());
- break;
- case OPT_SOURCE:
- std::strcpy(reinterpret_cast<char*>(val), s->source.c_str());
- break;
-
- /* word array options */
- case OPT_GAMMA_VECTOR:
- table = (SANE_Word *) val;
- if (s->color_filter == "Red") {
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_RED);
- } else if (s->color_filter == "Blue") {
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_BLUE);
- } else {
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_GREEN);
- }
- option_size = s->opt[option].size / sizeof (SANE_Word);
- if (gamma_table.size() != option_size) {
- throw std::runtime_error("The size of the gamma tables does not match");
- }
- for (i = 0; i < option_size; i++) {
- table[i] = gamma_table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_R:
- table = (SANE_Word *) val;
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_RED);
- option_size = s->opt[option].size / sizeof (SANE_Word);
- if (gamma_table.size() != option_size) {
- throw std::runtime_error("The size of the gamma tables does not match");
- }
- for (i = 0; i < option_size; i++) {
- table[i] = gamma_table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_G:
- table = (SANE_Word *) val;
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_GREEN);
- option_size = s->opt[option].size / sizeof (SANE_Word);
- if (gamma_table.size() != option_size) {
- throw std::runtime_error("The size of the gamma tables does not match");
- }
- for (i = 0; i < option_size; i++) {
- table[i] = gamma_table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_B:
- table = (SANE_Word *) val;
- gamma_table = get_gamma_table(s->dev, sensor, GENESYS_BLUE);
- option_size = s->opt[option].size / sizeof (SANE_Word);
- if (gamma_table.size() != option_size) {
- throw std::runtime_error("The size of the gamma tables does not match");
- }
- for (i = 0; i < option_size; i++) {
- table[i] = gamma_table[i];
- }
- break;
- /* sensors */
- case OPT_SCAN_SW:
- case OPT_FILE_SW:
- case OPT_EMAIL_SW:
- case OPT_COPY_SW:
- case OPT_PAGE_LOADED_SW:
- case OPT_OCR_SW:
- case OPT_POWER_SW:
- case OPT_EXTRA_SW:
- RIE (s->dev->model->cmd_set->update_hardware_sensors (s));
- *(SANE_Bool *) val = s->buttons[genesys_option_to_button(option)].read();
- break;
- case OPT_NEED_CALIBRATION_SW:
- /* scanner needs calibration for current mode unless a matching
- * calibration cache is found */
- *(SANE_Bool *) val = SANE_TRUE;
- for (auto& cache : s->dev->calibration_cache)
- {
- if (s->dev->model->cmd_set->is_compatible_calibration(s->dev, sensor, &cache, SANE_FALSE))
- {
- *(SANE_Bool *) val = SANE_FALSE;
- }
- }
- break;
- default:
- DBG(DBG_warn, "%s: can't get unknown option %d\n", __func__, option);
- }
- return status;
-}
-
-/** @brief set calibration file value
- * Set calibration file value. Load new cache values from file if it exists,
- * else creates the file*/
-static void set_calibration_value(Genesys_Scanner* s, const char* val)
-{
- DBG_HELPER(dbg);
-
- std::string new_calib_path = val;
- Genesys_Device::Calibration new_calibration;
-
- bool is_calib_success = false;
- catch_all_exceptions(__func__, [&]()
- {
- is_calib_success = sanei_genesys_read_calibration(new_calibration, new_calib_path);
- });
-
- if (!is_calib_success) {
- return;
- }
-
- s->dev->calibration_cache = std::move(new_calibration);
- s->dev->calib_file = new_calib_path;
- s->calibration_file = new_calib_path;
- DBG(DBG_info, "%s: Calibration filename set to '%s':\n", __func__, new_calib_path.c_str());
-}
-
-/* sets an option , called by sane_control_option */
-static SANE_Status
-set_option_value (Genesys_Scanner * s, int option, void *val,
- SANE_Int * myinfo)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Word *table;
- unsigned int i;
- SANE_Range *x_range, *y_range;
- unsigned option_size = 0;
-
- // FIXME: we should modify device-specific sensor
- auto& sensor = sanei_genesys_find_sensor_any_for_write(s->dev);
-
- switch (option)
- {
- case OPT_TL_X:
- s->pos_top_left_x = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_TL_Y:
- s->pos_top_left_y = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_BR_X:
- s->pos_bottom_right_x = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_BR_Y:
- s->pos_bottom_right_y = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_RESOLUTION:
- s->resolution = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_THRESHOLD:
- s->threshold = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_THRESHOLD_CURVE:
- s->threshold_curve = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_DISABLE_DYNAMIC_LINEART:
- s->disable_dynamic_lineart = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_SWCROP:
- s->swcrop = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_SWDESKEW:
- s->swdeskew = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_DESPECK:
- s->despeck = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_SWDEROTATE:
- s->swderotate = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_SWSKIP:
- s->swskip = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_DISABLE_INTERPOLATION:
- s->disable_interpolation = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_LAMP_OFF:
- s->lamp_off = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_PREVIEW:
- s->preview = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_BRIGHTNESS:
- s->brightness = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_CONTRAST:
- s->contrast = *reinterpret_cast<SANE_Word*>(val);
- RIE (calc_parameters(s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS;
- break;
- case OPT_SWDESPECK:
- s->swdespeck = *reinterpret_cast<SANE_Word*>(val);
- if (s->swdespeck) {
- ENABLE(OPT_DESPECK);
- } else {
- DISABLE(OPT_DESPECK);
- }
- RIE (calc_parameters (s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
- /* software enhancement functions only apply to 8 or 1 bits data */
- case OPT_BIT_DEPTH:
- s->bit_depth = *reinterpret_cast<SANE_Word*>(val);
- if(s->bit_depth>8)
- {
- DISABLE(OPT_SWDESKEW);
- DISABLE(OPT_SWDESPECK);
- DISABLE(OPT_SWCROP);
- DISABLE(OPT_DESPECK);
- DISABLE(OPT_SWDEROTATE);
- DISABLE(OPT_SWSKIP);
- DISABLE(OPT_CONTRAST);
- DISABLE(OPT_BRIGHTNESS);
- }
- else
- {
- ENABLE(OPT_SWDESKEW);
- ENABLE(OPT_SWDESPECK);
- ENABLE(OPT_SWCROP);
- ENABLE(OPT_DESPECK);
- ENABLE(OPT_SWDEROTATE);
- ENABLE(OPT_SWSKIP);
- ENABLE(OPT_CONTRAST);
- ENABLE(OPT_BRIGHTNESS);
- }
- RIE (calc_parameters (s));
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
- case OPT_SOURCE:
- if (s->source != reinterpret_cast<const char*>(val)) {
- s->source = reinterpret_cast<const char*>(val);
-
- // change geometry constraint to the new source value
- if (s->source == STR_FLATBED)
- {
- x_range=create_range(s->dev->model->x_size);
- y_range=create_range(s->dev->model->y_size);
- }
- else
- {
- x_range=create_range(s->dev->model->x_size_ta);
- y_range=create_range(s->dev->model->y_size_ta);
- }
- if(x_range==NULL || y_range==NULL)
- {
- return SANE_STATUS_NO_MEM;
- }
-
- /* assign new values */
- free((void *)(size_t)s->opt[OPT_TL_X].constraint.range);
- free((void *)(size_t)s->opt[OPT_TL_Y].constraint.range);
- s->opt[OPT_TL_X].constraint.range = x_range;
- s->pos_top_left_x = 0;
- s->opt[OPT_TL_Y].constraint.range = y_range;
- s->pos_top_left_y = 0;
- s->opt[OPT_BR_X].constraint.range = x_range;
- s->pos_bottom_right_x = x_range->max;
- s->opt[OPT_BR_Y].constraint.range = y_range;
- s->pos_bottom_right_y = y_range->max;
-
- /* signals reload */
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- }
- break;
- case OPT_MODE:
- s->mode = reinterpret_cast<const char*>(val);
-
- if (s->mode == SANE_VALUE_SCAN_MODE_LINEART)
- {
- ENABLE (OPT_THRESHOLD);
- ENABLE (OPT_THRESHOLD_CURVE);
- DISABLE (OPT_BIT_DEPTH);
- if (s->dev->model->asic_type != GENESYS_GL646 || !s->dev->model->is_cis)
- {
- ENABLE (OPT_COLOR_FILTER);
- }
- ENABLE (OPT_DISABLE_DYNAMIC_LINEART);
- }
- else
- {
- DISABLE (OPT_THRESHOLD);
- DISABLE (OPT_THRESHOLD_CURVE);
- DISABLE (OPT_DISABLE_DYNAMIC_LINEART);
- if (s->mode == SANE_VALUE_SCAN_MODE_GRAY)
- {
- if (s->dev->model->asic_type != GENESYS_GL646 || !s->dev->model->is_cis)
- {
- ENABLE (OPT_COLOR_FILTER);
- }
- create_bpp_list (s, s->dev->model->bpp_gray_values);
- }
- else
- {
- DISABLE (OPT_COLOR_FILTER);
- create_bpp_list (s, s->dev->model->bpp_color_values);
- }
- if (s->bpp_list[0] < 2)
- DISABLE (OPT_BIT_DEPTH);
- else
- ENABLE (OPT_BIT_DEPTH);
- }
- RIE (calc_parameters (s));
-
- /* if custom gamma, toggle gamma table options according to the mode */
- if (s->custom_gamma)
- {
- if (s->mode == SANE_VALUE_SCAN_MODE_COLOR)
- {
- DISABLE (OPT_GAMMA_VECTOR);
- ENABLE (OPT_GAMMA_VECTOR_R);
- ENABLE (OPT_GAMMA_VECTOR_G);
- ENABLE (OPT_GAMMA_VECTOR_B);
- }
- else
- {
- ENABLE (OPT_GAMMA_VECTOR);
- DISABLE (OPT_GAMMA_VECTOR_R);
- DISABLE (OPT_GAMMA_VECTOR_G);
- DISABLE (OPT_GAMMA_VECTOR_B);
- }
- }
-
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
- case OPT_COLOR_FILTER:
- s->color_filter = reinterpret_cast<const char*>(val);
- RIE (calc_parameters (s));
- break;
- case OPT_CALIBRATION_FILE:
- if (s->dev->force_calibration == 0) {
- set_calibration_value(s, reinterpret_cast<const char*>(val));
- }
- break;
- case OPT_LAMP_OFF_TIME:
- if (*reinterpret_cast<SANE_Word*>(val) != s->lamp_off_time) {
- s->lamp_off_time = *reinterpret_cast<SANE_Word*>(val);
- RIE(s->dev->model->cmd_set->set_powersaving(s->dev, s->lamp_off_time));
- }
- break;
- case OPT_EXPIRATION_TIME:
- if (*reinterpret_cast<SANE_Word*>(val) != s->expiration_time) {
- s->expiration_time = *reinterpret_cast<SANE_Word*>(val);
- // BUG: this is most likely not intended behavior, found out during refactor
- RIE(s->dev->model->cmd_set->set_powersaving(s->dev, s->expiration_time));
- }
- break;
-
- case OPT_CUSTOM_GAMMA:
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- s->custom_gamma = *reinterpret_cast<SANE_Bool*>(val);
-
- if (s->custom_gamma) {
- if (s->mode == SANE_VALUE_SCAN_MODE_COLOR)
- {
- DISABLE (OPT_GAMMA_VECTOR);
- ENABLE (OPT_GAMMA_VECTOR_R);
- ENABLE (OPT_GAMMA_VECTOR_G);
- ENABLE (OPT_GAMMA_VECTOR_B);
- }
- else
- {
- ENABLE (OPT_GAMMA_VECTOR);
- DISABLE (OPT_GAMMA_VECTOR_R);
- DISABLE (OPT_GAMMA_VECTOR_G);
- DISABLE (OPT_GAMMA_VECTOR_B);
- }
- }
- else
- {
- DISABLE (OPT_GAMMA_VECTOR);
- DISABLE (OPT_GAMMA_VECTOR_R);
- DISABLE (OPT_GAMMA_VECTOR_G);
- DISABLE (OPT_GAMMA_VECTOR_B);
- for (auto& table : s->dev->gamma_override_tables) {
- table.clear();
- }
- }
- break;
-
- case OPT_GAMMA_VECTOR:
- table = (SANE_Word *) val;
- option_size = s->opt[option].size / sizeof (SANE_Word);
-
- s->dev->gamma_override_tables[GENESYS_RED].resize(option_size);
- s->dev->gamma_override_tables[GENESYS_GREEN].resize(option_size);
- s->dev->gamma_override_tables[GENESYS_BLUE].resize(option_size);
- for (i = 0; i < option_size; i++) {
- s->dev->gamma_override_tables[GENESYS_RED][i] = table[i];
- s->dev->gamma_override_tables[GENESYS_GREEN][i] = table[i];
- s->dev->gamma_override_tables[GENESYS_BLUE][i] = table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_R:
- table = (SANE_Word *) val;
- option_size = s->opt[option].size / sizeof (SANE_Word);
- s->dev->gamma_override_tables[GENESYS_RED].resize(option_size);
- for (i = 0; i < option_size; i++) {
- s->dev->gamma_override_tables[GENESYS_RED][i] = table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_G:
- table = (SANE_Word *) val;
- option_size = s->opt[option].size / sizeof (SANE_Word);
- s->dev->gamma_override_tables[GENESYS_GREEN].resize(option_size);
- for (i = 0; i < option_size; i++) {
- s->dev->gamma_override_tables[GENESYS_GREEN][i] = table[i];
- }
- break;
- case OPT_GAMMA_VECTOR_B:
- table = (SANE_Word *) val;
- option_size = s->opt[option].size / sizeof (SANE_Word);
- s->dev->gamma_override_tables[GENESYS_BLUE].resize(option_size);
- for (i = 0; i < option_size; i++) {
- s->dev->gamma_override_tables[GENESYS_BLUE][i] = table[i];
- }
- break;
- case OPT_CALIBRATE:
- status = s->dev->model->cmd_set->save_power (s->dev, SANE_FALSE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to disable power saving mode: %s\n", __func__,
- sane_strstatus(status));
- }
- else
- status = genesys_scanner_calibration(s->dev, sensor);
- /* not critical if this fails*/
- s->dev->model->cmd_set->save_power (s->dev, SANE_TRUE);
- /* signals that sensors will have to be read again */
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
- case OPT_CLEAR_CALIBRATION:
- s->dev->calibration_cache.clear();
-
- /* remove file */
- unlink(s->dev->calib_file.c_str());
- /* signals that sensors will have to be read again */
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
- case OPT_FORCE_CALIBRATION:
- s->dev->force_calibration = 1;
- s->dev->calibration_cache.clear();
- s->dev->calib_file.clear();
-
- /* signals that sensors will have to be read again */
- *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
- break;
-
- default:
- DBG(DBG_warn, "%s: can't set unknown option %d\n", __func__, option);
- }
- return status;
-}
-
-
-/* sets and gets scanner option values */
-SANE_Status
-sane_control_option_impl(SANE_Handle handle, SANE_Int option,
- SANE_Action action, void *val, SANE_Int * info)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Word cap;
- SANE_Int myinfo = 0;
-
- DBG(DBG_io2, "%s: start: action = %s, option = %s (%d)\n", __func__,
- (action == SANE_ACTION_GET_VALUE) ? "get" : (action == SANE_ACTION_SET_VALUE) ?
- "set" : (action == SANE_ACTION_SET_AUTO) ? "set_auto" : "unknown",
- s->opt[option].name, option);
-
- if (info)
- *info = 0;
-
- if (s->scanning)
- {
- DBG(DBG_warn, "%s: don't call this function while scanning (option = %s (%d))\n", __func__,
- s->opt[option].name, option);
-
- return SANE_STATUS_DEVICE_BUSY;
- }
- if (option >= NUM_OPTIONS || option < 0)
- {
- DBG(DBG_warn, "%s: option %d >= NUM_OPTIONS || option < 0\n", __func__, option);
- return SANE_STATUS_INVAL;
- }
-
- cap = s->opt[option].cap;
-
- if (!SANE_OPTION_IS_ACTIVE (cap))
- {
- DBG(DBG_warn, "%s: option %d is inactive\n", __func__, option);
- return SANE_STATUS_INVAL;
- }
-
- switch (action)
- {
- case SANE_ACTION_GET_VALUE:
- status = get_option_value (s, option, val);
- break;
-
- case SANE_ACTION_SET_VALUE:
- if (!SANE_OPTION_IS_SETTABLE (cap))
- {
- DBG(DBG_warn, "%s: option %d is not settable\n", __func__, option);
- return SANE_STATUS_INVAL;
- }
-
- status = sanei_constrain_value (s->opt + option, val, &myinfo);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_warn, "%s: sanei_constrain_value returned %s\n", __func__,
- sane_strstatus(status));
- return status;
- }
-
- status = set_option_value (s, option, val, &myinfo);
- break;
-
- case SANE_ACTION_SET_AUTO:
- DBG(DBG_error,
- "%s: SANE_ACTION_SET_AUTO unsupported since no option has SANE_CAP_AUTOMATIC\n",
- __func__);
- status = SANE_STATUS_INVAL;
- break;
-
- default:
- DBG(DBG_warn, "%s: unknown action %d for option %d\n", __func__, action, option);
- status = SANE_STATUS_INVAL;
- break;
- }
-
- if (info)
- *info = myinfo;
-
- DBG(DBG_io2, "%s: exit\n", __func__);
- return status;
-}
-
-SANE_Status sane_control_option(SANE_Handle handle, SANE_Int option,
- SANE_Action action, void *val, SANE_Int * info)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_control_option_impl(handle, option, action, val, info);
- });
-}
-
-SANE_Status sane_get_parameters_impl(SANE_Handle handle, SANE_Parameters* params)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* don't recompute parameters once data reading is active, ie during scan */
- if(s->dev->read_active == SANE_FALSE)
- {
- RIE (calc_parameters (s));
- }
- if (params)
- {
- *params = s->params;
-
- /* in the case of a sheetfed scanner, when full height is specified
- * we override the computed line number with -1 to signal that we
- * don't know the real document height.
- * We don't do that doing buffering image for digital processing
- */
- if (s->dev->model->is_sheetfed == SANE_TRUE
- && s->dev->buffer_image == SANE_FALSE
- && s->pos_bottom_right_y == s->opt[OPT_BR_Y].constraint.range->max)
- {
- params->lines = -1;
- }
- }
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-SANE_Status sane_get_parameters(SANE_Handle handle, SANE_Parameters* params)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_get_parameters_impl(handle, params);
- });
-}
-
-SANE_Status sane_start_impl(SANE_Handle handle)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
- SANE_Status status=SANE_STATUS_GOOD;
-
- DBGSTART;
-
- if (s->pos_top_left_x >= s->pos_bottom_right_x)
- {
- DBG(DBG_error0, "%s: top left x >= bottom right x --- exiting\n", __func__);
- return SANE_STATUS_INVAL;
- }
- if (s->pos_top_left_y >= s->pos_bottom_right_y)
- {
- DBG(DBG_error0, "%s: top left y >= bottom right y --- exiting\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- /* First make sure we have a current parameter set. Some of the
- parameters will be overwritten below, but that's OK. */
-
- RIE (calc_parameters (s));
- RIE(genesys_start_scan(s->dev, s->lamp_off));
-
- s->scanning = SANE_TRUE;
-
- /* allocate intermediate buffer when doing dynamic lineart */
- if(s->dev->settings.dynamic_lineart==SANE_TRUE)
- {
- s->dev->binarize_buffer.clear();
- s->dev->binarize_buffer.alloc(s->dev->settings.pixels);
- s->dev->local_buffer.clear();
- s->dev->local_buffer.alloc(s->dev->binarize_buffer.size() * 8);
- }
-
- /* if one of the software enhancement option is selected,
- * we do the scan internally, process picture then put it an internal
- * buffer. Since cropping may change scan parameters, we recompute them
- * at the end */
- if (s->dev->buffer_image)
- {
- RIE(genesys_buffer_image(s));
-
- /* check if we need to skip this page, sheetfed scanners
- * can go to next doc while flatbed ones can't */
- if (s->swskip > 0 && IS_ACTIVE(OPT_SWSKIP)) {
- status = sanei_magic_isBlank(&s->params,
- s->dev->img_buffer.data(),
- SANE_UNFIX(s->swskip));
- if(status == SANE_STATUS_NO_DOCS)
- {
- if (s->dev->model->is_sheetfed == SANE_TRUE)
- {
- DBG(DBG_info, "%s: blank page, recurse\n", __func__);
- return sane_start(handle);
- }
- return status;
- }
- }
-
- if (s->swdeskew) {
- const auto& sensor = sanei_genesys_find_sensor(s->dev, s->dev->settings.xres,
- s->dev->settings.scan_method);
- RIE(genesys_deskew(s, sensor));
- }
-
- if (s->swdespeck) {
- RIE(genesys_despeck(s));
- }
-
- if(s->swcrop) {
- RIE(genesys_crop(s));
- }
-
- if(s->swderotate) {
- RIE(genesys_derotate(s));
- }
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-SANE_Status sane_start(SANE_Handle handle)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_start_impl(handle);
- });
-}
-
-SANE_Status
-sane_read_impl(SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, SANE_Int* len)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
- Genesys_Device *dev;
- SANE_Status status=SANE_STATUS_GOOD;
- size_t local_len;
-
- if (!s)
- {
- DBG(DBG_error, "%s: handle is null!\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- dev=s->dev;
- if (!dev)
- {
- DBG(DBG_error, "%s: dev is null!\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- if (!buf)
- {
- DBG(DBG_error, "%s: buf is null!\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- if (!len)
- {
- DBG(DBG_error, "%s: len is null!\n", __func__);
- return SANE_STATUS_INVAL;
- }
-
- *len = 0;
-
- if (!s->scanning)
- {
- DBG(DBG_warn, "%s: scan was cancelled, is over or has not been initiated yet\n", __func__);
- return SANE_STATUS_CANCELLED;
- }
-
- DBG(DBG_proc, "%s: start, %d maximum bytes required\n", __func__, max_len);
- DBG(DBG_io2, "%s: bytes_to_read=%lu, total_bytes_read=%lu\n", __func__,
- (u_long) dev->total_bytes_to_read, (u_long) dev->total_bytes_read);
- DBG(DBG_io2, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left);
-
- if(dev->total_bytes_read>=dev->total_bytes_to_read)
- {
- DBG(DBG_proc, "%s: nothing more to scan: EOF\n", __func__);
-
- /* issue park command immediatly in case scanner can handle it
- * so we save time */
- if (dev->model->is_sheetfed == SANE_FALSE
- && !(dev->model->flags & GENESYS_FLAG_MUST_WAIT)
- && dev->parking == SANE_FALSE)
- {
- dev->model->cmd_set->slow_back_home (dev, SANE_FALSE);
- dev->parking = SANE_TRUE;
- }
- return SANE_STATUS_EOF;
- }
-
- local_len = max_len;
-
- /* in case of image processing, all data has been stored in
- * buffer_image. So read data from it if it exists, else from scanner */
- if(!dev->buffer_image)
- {
- /* dynamic lineart is another kind of digital processing that needs
- * another layer of buffering on top of genesys_read_ordered_data */
- if(dev->settings.dynamic_lineart==SANE_TRUE)
- {
- /* if buffer is empty, fill it with genesys_read_ordered_data */
- if(dev->binarize_buffer.avail() == 0)
- {
- /* store gray data */
- local_len=dev->local_buffer.size();
- dev->local_buffer.reset();
- status = genesys_read_ordered_data (dev, dev->local_buffer.get_write_pos(local_len),
- &local_len);
- dev->local_buffer.produce(local_len);
-
- /* binarize data is read successful */
- if(status==SANE_STATUS_GOOD)
- {
- dev->binarize_buffer.reset();
- genesys_gray_lineart (dev,
- dev->local_buffer.get_read_pos(),
- dev->binarize_buffer.get_write_pos(local_len / 8),
- dev->settings.pixels,
- local_len/dev->settings.pixels,
- dev->settings.threshold);
- dev->binarize_buffer.produce(local_len / 8);
- }
-
- }
-
- /* return data from lineart buffer if any, up to the available amount */
- local_len = max_len;
- if((size_t)max_len>dev->binarize_buffer.avail())
- {
- local_len=dev->binarize_buffer.avail();
- }
- if(local_len)
- {
- memcpy(buf, dev->binarize_buffer.get_read_pos(), local_len);
- dev->binarize_buffer.consume(local_len);
- }
- }
- else
- {
- /* most usual case, direct read of data from scanner */
- status = genesys_read_ordered_data (dev, buf, &local_len);
- }
- }
- else /* read data from buffer */
- {
- if(dev->total_bytes_read+local_len>dev->total_bytes_to_read)
- {
- local_len=dev->total_bytes_to_read-dev->total_bytes_read;
- }
- memcpy(buf, dev->img_buffer.data() + dev->total_bytes_read, local_len);
- dev->total_bytes_read+=local_len;
- }
-
- *len = local_len;
- if(local_len>(size_t)max_len)
- {
- fprintf (stderr, "[genesys] sane_read: returning incorrect length!!\n");
- }
- DBG(DBG_proc, "%s: %d bytes returned\n", __func__, *len);
- return status;
-}
-
-SANE_Status sane_read(SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, SANE_Int* len)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_read_impl(handle, buf, max_len, len);
- });
-}
-
-void sane_cancel_impl(SANE_Handle handle)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* end binary logging if needed */
- if (s->dev->binary!=NULL)
- {
- fclose(s->dev->binary);
- s->dev->binary=NULL;
- }
-
- s->scanning = SANE_FALSE;
- s->dev->read_active = SANE_FALSE;
- s->dev->img_buffer.clear();
-
- /* no need to end scan if we are parking the head */
- if(s->dev->parking==SANE_FALSE)
- {
- status = s->dev->model->cmd_set->end_scan(s->dev, &s->dev->reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to end scan: %s\n", __func__, sane_strstatus(status));
- return;
- }
- }
-
- /* park head if flatbed scanner */
- if (s->dev->model->is_sheetfed == SANE_FALSE)
- {
- if(s->dev->parking==SANE_FALSE)
- {
- status = s->dev->model->cmd_set->slow_back_home (s->dev, s->dev->model->flags & GENESYS_FLAG_MUST_WAIT);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to move scanhead to home position: %s\n", __func__,
- sane_strstatus(status));
- return;
- }
- s->dev->parking = !(s->dev->model->flags & GENESYS_FLAG_MUST_WAIT);
- }
- }
- else
- { /* in case of sheetfed scanners, we have to eject the document if still present */
- status = s->dev->model->cmd_set->eject_document (s->dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to eject document: %s\n", __func__, sane_strstatus(status));
- return;
- }
- }
-
- /* enable power saving mode unless we are parking .... */
- if(s->dev->parking==SANE_FALSE)
- {
- status = s->dev->model->cmd_set->save_power (s->dev, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG(DBG_error, "%s: failed to enable power saving mode: %s\n", __func__,
- sane_strstatus(status));
- return;
- }
- }
-
- DBGCOMPLETED;
- return;
-}
-
-void sane_cancel(SANE_Handle handle)
-{
- catch_all_exceptions(__func__, [=]() { sane_cancel_impl(handle); });
-}
-
-SANE_Status
-sane_set_io_mode_impl(SANE_Handle handle, SANE_Bool non_blocking)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
-
- DBG(DBG_proc, "%s: handle = %p, non_blocking = %s\n", __func__, handle,
- non_blocking == SANE_TRUE ? "true" : "false");
-
- if (!s->scanning)
- {
- DBG(DBG_error, "%s: not scanning\n", __func__);
- return SANE_STATUS_INVAL;
- }
- if (non_blocking)
- return SANE_STATUS_UNSUPPORTED;
- return SANE_STATUS_GOOD;
-}
-
-SANE_Status
-sane_set_io_mode(SANE_Handle handle, SANE_Bool non_blocking)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_set_io_mode_impl(handle, non_blocking);
- });
-}
-
-SANE_Status
-sane_get_select_fd_impl(SANE_Handle handle, SANE_Int * fd)
-{
- Genesys_Scanner *s = (Genesys_Scanner*) handle;
-
- DBG(DBG_proc, "%s: handle = %p, fd = %p\n", __func__, handle, (void *) fd);
-
- if (!s->scanning)
- {
- DBG(DBG_error, "%s: not scanning\n", __func__);
- return SANE_STATUS_INVAL;
- }
- return SANE_STATUS_UNSUPPORTED;
-}
-
-SANE_Status
-sane_get_select_fd(SANE_Handle handle, SANE_Int * fd)
-{
- return wrap_exceptions_to_status_code(__func__, [=]()
- {
- return sane_get_select_fd_impl(handle, fd);
- });
-}
-
-GenesysButtonName genesys_option_to_button(int option)
-{
- switch (option) {
- case OPT_SCAN_SW: return BUTTON_SCAN_SW;
- case OPT_FILE_SW: return BUTTON_FILE_SW;
- case OPT_EMAIL_SW: return BUTTON_EMAIL_SW;
- case OPT_COPY_SW: return BUTTON_COPY_SW;
- case OPT_PAGE_LOADED_SW: return BUTTON_PAGE_LOADED_SW;
- case OPT_OCR_SW: return BUTTON_OCR_SW;
- case OPT_POWER_SW: return BUTTON_POWER_SW;
- case OPT_EXTRA_SW: return BUTTON_EXTRA_SW;
- default: throw std::runtime_error("Unknown option to convert to button index");
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-30 00:29:46 +0000