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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/genesys.cpp
parent1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
New upstream version 1.0.29upstream/1.0.29
Diffstat (limited to 'backend/genesys/genesys.cpp')
-rw-r--r--backend/genesys/genesys.cpp6172
1 files changed, 6172 insertions, 0 deletions
diff --git a/backend/genesys/genesys.cpp b/backend/genesys/genesys.cpp
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+/* 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 "conv.h"
+#include "gl124_registers.h"
+#include "gl841_registers.h"
+#include "gl843_registers.h"
+#include "gl846_registers.h"
+#include "gl847_registers.h"
+#include "usb_device.h"
+#include "utilities.h"
+#include "scanner_interface_usb.h"
+#include "test_scanner_interface.h"
+#include "test_settings.h"
+#include "../include/sane/sanei_config.h"
+#include "../include/sane/sanei_magic.h"
+
+#include <array>
+#include <cmath>
+#include <cstring>
+#include <fstream>
+#include <iterator>
+#include <list>
+#include <numeric>
+#include <exception>
+#include <vector>
+
+#ifndef SANE_GENESYS_API_LINKAGE
+#define SANE_GENESYS_API_LINKAGE extern "C"
+#endif
+
+namespace genesys {
+
+// Data that we allocate to back SANE_Device objects in s_sane_devices
+struct SANE_Device_Data
+{
+ std::string name;
+};
+
+namespace {
+ StaticInit<std::list<Genesys_Scanner>> s_scanners;
+ StaticInit<std::vector<SANE_Device>> s_sane_devices;
+ StaticInit<std::vector<SANE_Device_Data>> s_sane_devices_data;
+ StaticInit<std::vector<SANE_Device*>> s_sane_devices_ptrs;
+ StaticInit<std::list<Genesys_Device>> s_devices;
+
+ // Maximum time for lamp warm-up
+ constexpr unsigned WARMUP_TIME = 65;
+} // namespace
+
+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,
+ nullptr
+};
+
+static SANE_String_Const color_filter_list[] = {
+ SANE_I18N ("Red"),
+ SANE_I18N ("Green"),
+ SANE_I18N ("Blue"),
+ nullptr
+};
+
+static SANE_String_Const cis_color_filter_list[] = {
+ SANE_I18N ("Red"),
+ SANE_I18N ("Green"),
+ SANE_I18N ("Blue"),
+ SANE_I18N ("None"),
+ nullptr
+};
+
+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 */
+};
+
+const Genesys_Sensor& sanei_genesys_find_sensor_any(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+ for (const auto& sensor : *s_sensors) {
+ if (dev->model->sensor_id == sensor.sensor_id) {
+ return sensor;
+ }
+ }
+ throw std::runtime_error("Given device does not have sensor defined");
+}
+
+Genesys_Sensor* find_sensor_impl(Genesys_Device* dev, unsigned dpi, unsigned channels,
+ ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "dpi: %d, channels: %d, scan_method: %d", dpi, channels,
+ static_cast<unsigned>(scan_method));
+ for (auto& sensor : *s_sensors) {
+ if (dev->model->sensor_id == sensor.sensor_id && sensor.resolutions.matches(dpi) &&
+ sensor.matches_channel_count(channels) && sensor.method == scan_method)
+ {
+ return &sensor;
+ }
+ }
+ return nullptr;
+}
+
+bool sanei_genesys_has_sensor(Genesys_Device* dev, unsigned dpi, unsigned channels,
+ ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "dpi: %d, channels: %d, scan_method: %d", dpi, channels,
+ static_cast<unsigned>(scan_method));
+ return find_sensor_impl(dev, dpi, channels, scan_method) != nullptr;
+}
+
+const Genesys_Sensor& sanei_genesys_find_sensor(Genesys_Device* dev, unsigned dpi, unsigned channels,
+ ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "dpi: %d, channels: %d, scan_method: %d", dpi, channels,
+ static_cast<unsigned>(scan_method));
+ const auto* sensor = find_sensor_impl(dev, dpi, channels, scan_method);
+ if (sensor)
+ return *sensor;
+ throw std::runtime_error("Given device does not have sensor defined");
+}
+
+Genesys_Sensor& sanei_genesys_find_sensor_for_write(Genesys_Device* dev, unsigned dpi,
+ unsigned channels,
+ ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "dpi: %d, channels: %d, scan_method: %d", dpi, channels,
+ static_cast<unsigned>(scan_method));
+ auto* sensor = find_sensor_impl(dev, dpi, channels, scan_method);
+ if (sensor)
+ return *sensor;
+ throw std::runtime_error("Given device does not have sensor defined");
+}
+
+
+std::vector<std::reference_wrapper<const Genesys_Sensor>>
+ sanei_genesys_find_sensors_all(Genesys_Device* dev, ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "scan_method: %d", static_cast<unsigned>(scan_method));
+ std::vector<std::reference_wrapper<const Genesys_Sensor>> ret;
+ for (const Genesys_Sensor& sensor : sanei_genesys_find_sensors_all_for_write(dev, scan_method)) {
+ ret.push_back(sensor);
+ }
+ return ret;
+}
+
+std::vector<std::reference_wrapper<Genesys_Sensor>>
+ sanei_genesys_find_sensors_all_for_write(Genesys_Device* dev, ScanMethod scan_method)
+{
+ DBG_HELPER_ARGS(dbg, "scan_method: %d", static_cast<unsigned>(scan_method));
+ std::vector<std::reference_wrapper<Genesys_Sensor>> ret;
+ for (auto& sensor : *s_sensors) {
+ if (dev->model->sensor_id == sensor.sensor_id && sensor.method == scan_method) {
+ ret.push_back(sensor);
+ }
+ }
+ return ret;
+}
+
+void sanei_genesys_init_structs (Genesys_Device * dev)
+{
+ DBG_HELPER(dbg);
+
+ bool gpo_ok = false;
+ bool motor_ok = false;
+ bool fe_ok = false;
+
+ /* initialize the GPO data stuff */
+ for (const auto& gpo : *s_gpo) {
+ if (dev->model->gpio_id == gpo.id) {
+ dev->gpo = gpo;
+ gpo_ok = true;
+ break;
+ }
+ }
+
+ // initialize the motor data stuff
+ for (const auto& motor : *s_motors) {
+ if (dev->model->motor_id == motor.id) {
+ dev->motor = motor;
+ motor_ok = true;
+ break;
+ }
+ }
+
+ for (const auto& frontend : *s_frontends) {
+ if (dev->model->adc_id == frontend.id) {
+ dev->frontend_initial = frontend;
+ dev->frontend = frontend;
+ fe_ok = true;
+ break;
+ }
+ }
+
+ if (!motor_ok || !gpo_ok || !fe_ok) {
+ throw SaneException("bad description(s) for fe/gpo/motor=%d/%d/%d\n",
+ static_cast<unsigned>(dev->model->sensor_id),
+ static_cast<unsigned>(dev->model->gpio_id),
+ static_cast<unsigned>(dev->model->motor_id));
+ }
+}
+
+/* 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 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 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
+ * @return Motor slope table
+ * @note all times in pixel time
+ */
+MotorSlopeTable sanei_genesys_create_slope_table3(AsicType asic_type, const Genesys_Motor& motor,
+ StepType step_type, int exposure_time,
+ unsigned yres)
+{
+ unsigned target_speed_w = (exposure_time * yres) / motor.base_ydpi;
+
+ return create_slope_table(motor.get_slope(step_type), target_speed_w, step_type, 1, 1,
+ get_slope_table_max_size(asic_type));
+}
+
+/** @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 = static_cast<float>(gamma_max * std::pow(static_cast<double>(i) / size, 1.0 / gamma));
+ if (value > maximum) {
+ value = maximum;
+ }
+ gamma_table[i] = static_cast<std::uint16_t>(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 == AsicType::GL646) {
+ if (dev->model->flags & GENESYS_FLAG_14BIT_GAMMA) {
+ size = 16384;
+ } else {
+ size = 4096;
+ }
+ max = size - 1;
+ } else if (dev->model->asic_type == AsicType::GL124 ||
+ dev->model->asic_type == AsicType::GL846 ||
+ dev->model->asic_type == AsicType::GL847) {
+ size = 257;
+ max = 65535;
+ } 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,
+ StepType step_type, int endpixel, int exposure_by_led)
+{
+ int exposure_by_ccd = endpixel + 32;
+ unsigned max_speed_motor_w = dev->motor.get_slope(step_type).max_speed_w;
+ int exposure_by_motor = static_cast<int>((max_speed_motor_w * 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 => exposure=%d\n", __func__,
+ static_cast<int>(ydpi), static_cast<unsigned>(step_type), endpixel,
+ exposure_by_led, exposure);
+ return exposure;
+}
+
+
+/* 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 void genesys_send_offset_and_shading(Genesys_Device* dev, const Genesys_Sensor& sensor,
+ uint8_t* data, int size)
+{
+ DBG_HELPER_ARGS(dbg, "(size = %d)", size);
+ int dpihw;
+ int start_address;
+
+ /* 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->cmd_set->has_send_shading_data()) {
+ dev->cmd_set->send_shading_data(dev, sensor, data, size);
+ return;
+ }
+
+ /* 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->sensor_id != SensorId::CCD_PLUSTEK_OPTICBOOK_3800
+ && dev->model->sensor_id != SensorId::CCD_KVSS080
+ && dev->model->sensor_id != SensorId::CCD_G4050
+ && dev->model->sensor_id != SensorId::CCD_HP_4850C
+ && dev->model->sensor_id != SensorId::CCD_CANON_4400F
+ && dev->model->sensor_id != SensorId::CCD_CANON_8400F
+ && dev->model->sensor_id != SensorId::CCD_CANON_8600F
+ && dev->model->sensor_id != SensorId::CCD_DSMOBILE600
+ && dev->model->sensor_id != SensorId::CCD_XP300
+ && dev->model->sensor_id != SensorId::CCD_DP665
+ && dev->model->sensor_id != SensorId::CCD_DP685
+ && dev->model->sensor_id != SensorId::CIS_CANON_LIDE_80
+ && dev->model->sensor_id != SensorId::CCD_ROADWARRIOR
+ && dev->model->sensor_id != SensorId::CCD_HP2300
+ && dev->model->sensor_id != SensorId::CCD_HP2400
+ && dev->model->sensor_id != SensorId::CCD_HP3670
+ && dev->model->sensor_id != SensorId::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 */
+ throw SaneException("unknown dpihw");
+ }
+ }
+ else { // color
+ start_address = 0x00;
+ }
+
+ dev->interface->write_buffer(0x3c, start_address, data, size);
+}
+
+// ?
+void sanei_genesys_init_shading_data(Genesys_Device* dev, const Genesys_Sensor& sensor,
+ int pixels_per_line)
+{
+ DBG_HELPER_ARGS(dbg, "pixels_per_line: %d", pixels_per_line);
+
+ if (dev->model->flags & GENESYS_FLAG_CALIBRATION_HOST_SIDE) {
+ return;
+ }
+
+ int channels;
+ int i;
+
+ if (dev->cmd_set->has_send_shading_data()) {
+ return;
+ }
+
+ 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 */
+ }
+
+ genesys_send_offset_and_shading(dev, sensor, shading_data.data(),
+ pixels_per_line * 4 * channels);
+}
+
+
+// Find the position of the reference point: takes gray level 8 bits data and find
+// first CCD usable pixel and top of scanning area
+void sanei_genesys_search_reference_point(Genesys_Device* dev, Genesys_Sensor& sensor,
+ const uint8_t* src_data, int start_pixel, int dpi,
+ int width, int height)
+{
+ DBG_HELPER(dbg);
+ int x, y;
+ int current, left, top = 0;
+ int size, count;
+ int level = 80; /* edge threshold level */
+
+ // sanity check
+ if ((width < 3) || (height < 3)) {
+ throw SaneException("invalid width or height");
+ }
+
+ /* transformed image data */
+ size = width * height;
+ std::vector<uint8_t> image2(size, 0);
+ std::vector<uint8_t> image(size, 0);
+
+ /* laplace filter to denoise picture */
+ std::memcpy(image2.data(), src_data, size);
+ std::memcpy(image.data(), src_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] =
+ (image2[(y - 1) * width + x + 1] + 2 * image2[(y - 1) * width + x] +
+ image2[(y - 1) * width + x - 1] + 2 * image2[y * width + x + 1] +
+ 4 * image2[y * width + x] + 2 * image2[y * width + x - 1] +
+ image2[(y + 1) * width + x + 1] + 2 * image2[(y + 1) * width + x] +
+ image2[(y + 1) * width + x - 1]) / 16;
+ }
+ }
+
+ image2 = image;
+ 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 = image2[(y - 1) * width + x + 1] - image2[(y - 1) * width + x - 1] +
+ 2 * image2[y * width + x + 1] - 2 * image2[y * width + x - 1] +
+ image2[(y + 1) * width + x + 1] - image2[(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 = -image2[(y - 1) * width + x + 1] - 2 * image2[(y - 1) * width + x] -
+ image2[(y - 1) * width + x - 1] + image2[(y + 1) * width + x + 1] +
+ 2 * image2[(y + 1) * width + x] + image2[(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->sensor_id == SensorId::CCD_5345
+ && dev->model->motor_id == MotorId::MD_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_white = (top * MM_PER_INCH) / dpi;
+ DBG(DBG_info, "%s: black stripe y_offset = %f mm \n", __func__,
+ dev->model->y_offset_calib_white.value());
+ }
+
+ /* find white corner in dark area : TODO yet another flag */
+ if ((dev->model->sensor_id == SensorId::CCD_HP2300 && dev->model->motor_id == MotorId::HP2300) ||
+ (dev->model->sensor_id == SensorId::CCD_HP2400 && dev->model->motor_id == MotorId::HP2400) ||
+ (dev->model->sensor_id == SensorId::CCD_HP3670 && dev->model->motor_id == MotorId::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_white = (top * MM_PER_INCH) / dpi;
+ DBG(DBG_info, "%s: white corner y_offset = %f mm\n", __func__,
+ dev->model->y_offset_calib_white.value());
+ }
+
+ DBG(DBG_proc, "%s: ccd_start_xoffset = %d, left = %d, top = %d\n", __func__,
+ sensor.ccd_start_xoffset, left, top);
+}
+
+namespace gl843 {
+ void gl843_park_xpa_lamp(Genesys_Device* dev);
+ void gl843_set_xpa_motor_power(Genesys_Device* dev, Genesys_Register_Set& regs, bool set);
+} // namespace gl843
+
+namespace gl124 {
+ void gl124_setup_scan_gpio(Genesys_Device* dev, int resolution);
+} // namespace gl124
+
+void scanner_clear_scan_and_feed_counts(Genesys_Device& dev)
+{
+ switch (dev.model->asic_type) {
+ case AsicType::GL843: {
+ dev.interface->write_register(gl843::REG_0x0D,
+ gl843::REG_0x0D_CLRLNCNT | gl843::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL845:
+ case AsicType::GL846: {
+ dev.interface->write_register(gl846::REG_0x0D,
+ gl846::REG_0x0D_CLRLNCNT | gl846::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL847:{
+ dev.interface->write_register(gl847::REG_0x0D,
+ gl847::REG_0x0D_CLRLNCNT | gl847::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL124:{
+ dev.interface->write_register(gl124::REG_0x0D,
+ gl124::REG_0x0D_CLRLNCNT | gl124::REG_0x0D_CLRMCNT);
+ break;
+ }
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+}
+
+void scanner_clear_scan_and_feed_counts2(Genesys_Device& dev)
+{
+ // FIXME: switch to scanner_clear_scan_and_feed_counts when updating tests
+ switch (dev.model->asic_type) {
+ case AsicType::GL843: {
+ dev.interface->write_register(gl843::REG_0x0D, gl843::REG_0x0D_CLRLNCNT);
+ dev.interface->write_register(gl843::REG_0x0D, gl843::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL845:
+ case AsicType::GL846: {
+ dev.interface->write_register(gl846::REG_0x0D, gl846::REG_0x0D_CLRLNCNT);
+ dev.interface->write_register(gl846::REG_0x0D, gl846::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL847: {
+ dev.interface->write_register(gl847::REG_0x0D, gl847::REG_0x0D_CLRLNCNT);
+ dev.interface->write_register(gl847::REG_0x0D, gl847::REG_0x0D_CLRMCNT);
+ break;
+ }
+ case AsicType::GL124: {
+ dev.interface->write_register(gl124::REG_0x0D, gl124::REG_0x0D_CLRLNCNT);
+ dev.interface->write_register(gl124::REG_0x0D, gl124::REG_0x0D_CLRMCNT);
+ break;
+ }
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+}
+
+bool scanner_is_motor_stopped(Genesys_Device& dev)
+{
+ switch (dev.model->asic_type) {
+ case AsicType::GL646: {
+ auto status = scanner_read_status(dev);
+ return !status.is_motor_enabled && status.is_feeding_finished;
+ }
+ case AsicType::GL841: {
+ auto reg = dev.interface->read_register(gl841::REG_0x40);
+
+ return (!(reg & gl841::REG_0x40_DATAENB) && !(reg & gl841::REG_0x40_MOTMFLG));
+ }
+ case AsicType::GL843: {
+ auto status = scanner_read_status(dev);
+ auto reg = dev.interface->read_register(gl843::REG_0x40);
+
+ return (!(reg & gl843::REG_0x40_DATAENB) && !(reg & gl843::REG_0x40_MOTMFLG) &&
+ !status.is_motor_enabled);
+ }
+ case AsicType::GL845:
+ case AsicType::GL846: {
+ auto status = scanner_read_status(dev);
+ auto reg = dev.interface->read_register(gl846::REG_0x40);
+
+ return (!(reg & gl846::REG_0x40_DATAENB) && !(reg & gl846::REG_0x40_MOTMFLG) &&
+ !status.is_motor_enabled);
+ }
+ case AsicType::GL847: {
+ auto status = scanner_read_status(dev);
+ auto reg = dev.interface->read_register(gl847::REG_0x40);
+
+ return (!(reg & gl847::REG_0x40_DATAENB) && !(reg & gl847::REG_0x40_MOTMFLG) &&
+ !status.is_motor_enabled);
+ }
+ case AsicType::GL124: {
+ auto status = scanner_read_status(dev);
+ auto reg = dev.interface->read_register(gl124::REG_0x100);
+
+ return (!(reg & gl124::REG_0x100_DATAENB) && !(reg & gl124::REG_0x100_MOTMFLG) &&
+ !status.is_motor_enabled);
+ }
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+}
+
+void scanner_stop_action(Genesys_Device& dev)
+{
+ DBG_HELPER(dbg);
+
+ switch (dev.model->asic_type) {
+ case AsicType::GL843:
+ case AsicType::GL845:
+ case AsicType::GL846:
+ case AsicType::GL847:
+ case AsicType::GL124:
+ break;
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+
+ if (dev.cmd_set->needs_update_home_sensor_gpio()) {
+ dev.cmd_set->update_home_sensor_gpio(dev);
+ }
+
+ if (scanner_is_motor_stopped(dev)) {
+ DBG(DBG_info, "%s: already stopped\n", __func__);
+ return;
+ }
+
+ scanner_stop_action_no_move(dev, dev.reg);
+
+ if (is_testing_mode()) {
+ return;
+ }
+
+ for (unsigned i = 0; i < 10; ++i) {
+ if (scanner_is_motor_stopped(dev)) {
+ return;
+ }
+
+ dev.interface->sleep_ms(100);
+ }
+
+ throw SaneException(SANE_STATUS_IO_ERROR, "could not stop motor");
+}
+
+void scanner_stop_action_no_move(Genesys_Device& dev, genesys::Genesys_Register_Set& regs)
+{
+ switch (dev.model->asic_type) {
+ case AsicType::GL646:
+ case AsicType::GL841:
+ case AsicType::GL843:
+ case AsicType::GL845:
+ case AsicType::GL846:
+ case AsicType::GL847:
+ case AsicType::GL124:
+ break;
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+
+ regs_set_optical_off(dev.model->asic_type, regs);
+ // same across all supported ASICs
+ dev.interface->write_register(0x01, regs.get8(0x01));
+
+ // looks like certain scanners lock up if we try to scan immediately after stopping previous
+ // action.
+ dev.interface->sleep_ms(100);
+}
+
+void scanner_move(Genesys_Device& dev, ScanMethod scan_method, unsigned steps, Direction direction)
+{
+ DBG_HELPER_ARGS(dbg, "steps=%d direction=%d", steps, static_cast<unsigned>(direction));
+
+ auto local_reg = dev.reg;
+
+ unsigned resolution = dev.model->get_resolution_settings(scan_method).get_min_resolution_y();
+
+ const auto& sensor = sanei_genesys_find_sensor(&dev, resolution, 3, scan_method);
+
+ bool uses_secondary_head = (scan_method == ScanMethod::TRANSPARENCY ||
+ scan_method == ScanMethod::TRANSPARENCY_INFRARED);
+ bool uses_secondary_pos = uses_secondary_head &&
+ dev.model->default_method == ScanMethod::FLATBED;
+
+ if (!dev.is_head_pos_known(ScanHeadId::PRIMARY)) {
+ throw SaneException("Unknown head position");
+ }
+ if (uses_secondary_pos && !dev.is_head_pos_known(ScanHeadId::SECONDARY)) {
+ throw SaneException("Unknown head position");
+ }
+ if (direction == Direction::BACKWARD && steps > dev.head_pos(ScanHeadId::PRIMARY)) {
+ throw SaneException("Trying to feed behind the home position %d %d",
+ steps, dev.head_pos(ScanHeadId::PRIMARY));
+ }
+ if (uses_secondary_pos && direction == Direction::BACKWARD &&
+ steps > dev.head_pos(ScanHeadId::SECONDARY))
+ {
+ throw SaneException("Trying to feed behind the home position %d %d",
+ steps, dev.head_pos(ScanHeadId::SECONDARY));
+ }
+
+ ScanSession session;
+ session.params.xres = resolution;
+ session.params.yres = resolution;
+ session.params.startx = 0;
+ session.params.starty = steps;
+ session.params.pixels = 100;
+ session.params.lines = 3;
+ session.params.depth = 8;
+ session.params.channels = 3;
+ session.params.scan_method = scan_method;
+ session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ if (dev.model->asic_type == AsicType::GL843) {
+ session.params.color_filter = ColorFilter::RED;
+ } else {
+ session.params.color_filter = dev.settings.color_filter;
+ }
+ session.params.flags = ScanFlag::DISABLE_SHADING |
+ ScanFlag::DISABLE_GAMMA |
+ ScanFlag::FEEDING |
+ ScanFlag::IGNORE_LINE_DISTANCE;
+
+ if (dev.model->asic_type == AsicType::GL124) {
+ session.params.flags |= ScanFlag::DISABLE_BUFFER_FULL_MOVE;
+ }
+
+ if (direction == Direction::BACKWARD) {
+ session.params.flags |= ScanFlag::REVERSE;
+ }
+
+ compute_session(&dev, session, sensor);
+
+ dev.cmd_set->init_regs_for_scan_session(&dev, sensor, &local_reg, session);
+
+ if (dev.model->asic_type != AsicType::GL843) {
+ regs_set_exposure(dev.model->asic_type, local_reg, {0, 0, 0});
+ }
+ scanner_clear_scan_and_feed_counts2(dev);
+
+ dev.interface->write_registers(local_reg);
+ if (uses_secondary_head) {
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, true);
+ }
+
+ try {
+ scanner_start_action(dev, true);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&]() {
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, false);
+ });
+ catch_all_exceptions(__func__, [&]() { scanner_stop_action(dev); });
+ // restore original registers
+ catch_all_exceptions(__func__, [&]() { dev.interface->write_registers(dev.reg); });
+ throw;
+ }
+
+ if (is_testing_mode()) {
+ dev.interface->test_checkpoint("feed");
+
+ dev.advance_head_pos_by_steps(ScanHeadId::PRIMARY, direction, steps);
+ if (uses_secondary_pos) {
+ dev.advance_head_pos_by_steps(ScanHeadId::SECONDARY, direction, steps);
+ }
+
+ // FIXME: why don't we stop the scanner like on other ASICs
+ if (dev.model->asic_type != AsicType::GL843) {
+ scanner_stop_action(dev);
+ }
+ if (uses_secondary_head) {
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, false);
+ }
+ return;
+ }
+
+ // wait until feed count reaches the required value
+ // FIXME: should porbably wait for some timeout
+ Status status;
+ for (unsigned i = 0;; ++i) {
+ status = scanner_read_status(dev);
+ if (status.is_feeding_finished || (
+ direction == Direction::BACKWARD && status.is_at_home))
+ {
+ break;
+ }
+ dev.interface->sleep_ms(10);
+ }
+
+ // FIXME: why don't we stop the scanner like on other ASICs
+ if (dev.model->asic_type != AsicType::GL843) {
+ scanner_stop_action(dev);
+ }
+ if (uses_secondary_head) {
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, false);
+ }
+
+ dev.advance_head_pos_by_steps(ScanHeadId::PRIMARY, direction, steps);
+ if (uses_secondary_pos) {
+ dev.advance_head_pos_by_steps(ScanHeadId::SECONDARY, direction, steps);
+ }
+
+ // looks like certain scanners lock up if we scan immediately after feeding
+ dev.interface->sleep_ms(100);
+}
+
+void scanner_move_back_home(Genesys_Device& dev, bool wait_until_home)
+{
+ DBG_HELPER_ARGS(dbg, "wait_until_home = %d", wait_until_home);
+
+ switch (dev.model->asic_type) {
+ case AsicType::GL843:
+ case AsicType::GL845:
+ case AsicType::GL846:
+ case AsicType::GL847:
+ case AsicType::GL124:
+ break;
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+
+ // FIXME: also check whether the scanner actually has a secondary head
+ if (!dev.is_head_pos_known(ScanHeadId::SECONDARY) ||
+ dev.head_pos(ScanHeadId::SECONDARY) > 0 ||
+ dev.settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev.settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ scanner_move_back_home_ta(dev);
+ }
+
+ if (dev.is_head_pos_known(ScanHeadId::PRIMARY) &&
+ dev.head_pos(ScanHeadId::PRIMARY) > 1000)
+ {
+ // leave 500 steps for regular slow back home
+ scanner_move(dev, dev.model->default_method, dev.head_pos(ScanHeadId::PRIMARY) - 500,
+ Direction::BACKWARD);
+ }
+
+ if (dev.cmd_set->needs_update_home_sensor_gpio()) {
+ dev.cmd_set->update_home_sensor_gpio(dev);
+ }
+
+ auto status = scanner_read_reliable_status(dev);
+
+ if (status.is_at_home) {
+ dbg.log(DBG_info, "already at home");
+ dev.set_head_pos_zero(ScanHeadId::PRIMARY);
+ return;
+ }
+
+ if (dev.model->model_id == ModelId::CANON_LIDE_210) {
+ // move the head back a little first
+ if (dev.is_head_pos_known(ScanHeadId::PRIMARY) &&
+ dev.head_pos(ScanHeadId::PRIMARY) > 30)
+ {
+ scanner_move(dev, dev.model->default_method, 20, Direction::BACKWARD);
+ }
+ }
+
+ Genesys_Register_Set local_reg = dev.reg;
+ unsigned resolution = sanei_genesys_get_lowest_ydpi(&dev);
+
+ const auto& sensor = sanei_genesys_find_sensor(&dev, resolution, 1, dev.model->default_method);
+
+ ScanSession session;
+ session.params.xres = resolution;
+ session.params.yres = resolution;
+ session.params.startx = 100;
+ if (dev.model->asic_type == AsicType::GL843) {
+ session.params.starty = 40000;
+ } else {
+ session.params.starty = 30000;
+ }
+ session.params.pixels = 100;
+ session.params.lines = 100;
+ session.params.depth = 8;
+ session.params.channels = 1;
+ session.params.scan_method = dev.settings.scan_method;
+ if (dev.model->asic_type == AsicType::GL843) {
+ session.params.scan_mode = ScanColorMode::LINEART;
+ session.params.color_filter = dev.settings.color_filter;
+ } else {
+ session.params.scan_mode = ScanColorMode::GRAY;
+ session.params.color_filter = ColorFilter::RED;
+ }
+ session.params.flags = ScanFlag::DISABLE_SHADING |
+ ScanFlag::DISABLE_GAMMA |
+ ScanFlag::IGNORE_LINE_DISTANCE |
+ ScanFlag::REVERSE;
+ if (dev.model->asic_type == AsicType::GL843) {
+ session.params.flags |= ScanFlag::DISABLE_BUFFER_FULL_MOVE;
+ }
+
+ compute_session(&dev, session, sensor);
+
+ dev.cmd_set->init_regs_for_scan_session(&dev, sensor, &local_reg, session);
+
+ scanner_clear_scan_and_feed_counts(dev);
+
+ dev.interface->write_registers(local_reg);
+
+ if (dev.model->asic_type == AsicType::GL124) {
+ gl124::gl124_setup_scan_gpio(&dev, resolution);
+ }
+
+ try {
+ scanner_start_action(dev, true);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&]() { scanner_stop_action(dev); });
+ // restore original registers
+ catch_all_exceptions(__func__, [&]()
+ {
+ dev.interface->write_registers(dev.reg);
+ });
+ throw;
+ }
+
+ if (dev.cmd_set->needs_update_home_sensor_gpio()) {
+ dev.cmd_set->update_home_sensor_gpio(dev);
+ }
+
+ if (is_testing_mode()) {
+ dev.interface->test_checkpoint("move_back_home");
+ dev.set_head_pos_zero(ScanHeadId::PRIMARY);
+ return;
+ }
+
+ if (wait_until_home) {
+ for (unsigned i = 0; i < 300; ++i) {
+ auto status = scanner_read_status(dev);
+
+ if (status.is_at_home) {
+ dbg.log(DBG_info, "reached home position");
+ if (dev.model->asic_type == AsicType::GL846 ||
+ dev.model->asic_type == AsicType::GL847)
+ {
+ scanner_stop_action(dev);
+ }
+ dev.set_head_pos_zero(ScanHeadId::PRIMARY);
+ return;
+ }
+
+ dev.interface->sleep_ms(100);
+ }
+
+ // when we come here then the scanner needed too much time for this, so we better stop
+ // the motor
+ catch_all_exceptions(__func__, [&](){ scanner_stop_action(dev); });
+ dev.set_head_pos_unknown();
+ throw SaneException(SANE_STATUS_IO_ERROR, "timeout while waiting for scanhead to go home");
+ }
+ dbg.log(DBG_info, "scanhead is still moving");
+}
+
+void scanner_move_back_home_ta(Genesys_Device& dev)
+{
+ DBG_HELPER(dbg);
+
+ switch (dev.model->asic_type) {
+ case AsicType::GL843:
+ break;
+ default:
+ throw SaneException("Unsupported asic type");
+ }
+
+ Genesys_Register_Set local_reg = dev.reg;
+
+ auto scan_method = ScanMethod::TRANSPARENCY;
+ unsigned resolution = dev.model->get_resolution_settings(scan_method).get_min_resolution_y();
+
+ const auto& sensor = sanei_genesys_find_sensor(&dev, resolution, 1, scan_method);
+
+ if (dev.is_head_pos_known(ScanHeadId::SECONDARY) &&
+ dev.head_pos(ScanHeadId::SECONDARY) > 1000)
+ {
+ // leave 500 steps for regular slow back home
+ scanner_move(dev, scan_method, dev.head_pos(ScanHeadId::SECONDARY) - 500,
+ Direction::BACKWARD);
+ }
+
+ ScanSession session;
+ session.params.xres = resolution;
+ session.params.yres = resolution;
+ session.params.startx = 100;
+ session.params.starty = 30000;
+ session.params.pixels = 100;
+ session.params.lines = 100;
+ session.params.depth = 8;
+ session.params.channels = 1;
+ session.params.scan_method = scan_method;
+ session.params.scan_mode = ScanColorMode::GRAY;
+ session.params.color_filter = ColorFilter::RED;
+ session.params.flags = ScanFlag::DISABLE_SHADING |
+ ScanFlag::DISABLE_GAMMA |
+ ScanFlag::IGNORE_LINE_DISTANCE |
+ ScanFlag::REVERSE;
+
+ compute_session(&dev, session, sensor);
+
+ dev.cmd_set->init_regs_for_scan_session(&dev, sensor, &local_reg, session);
+
+ scanner_clear_scan_and_feed_counts(dev);
+
+ dev.interface->write_registers(local_reg);
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, true);
+
+ try {
+ scanner_start_action(dev, true);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&]() { scanner_stop_action(dev); });
+ // restore original registers
+ catch_all_exceptions(__func__, [&]() { dev.interface->write_registers(dev.reg); });
+ throw;
+ }
+
+ if (is_testing_mode()) {
+ dev.interface->test_checkpoint("move_back_home_ta");
+
+ if (dev.is_head_pos_known(ScanHeadId::PRIMARY)) {
+ if (dev.head_pos(ScanHeadId::PRIMARY) > dev.head_pos(ScanHeadId::SECONDARY)) {
+ dev.advance_head_pos_by_steps(ScanHeadId::PRIMARY, Direction::BACKWARD,
+ dev.head_pos(ScanHeadId::SECONDARY));
+ } else {
+ dev.set_head_pos_zero(ScanHeadId::PRIMARY);
+ }
+ dev.set_head_pos_zero(ScanHeadId::SECONDARY);
+ }
+
+ scanner_stop_action(dev);
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, false);
+ return;
+ }
+
+ for (unsigned i = 0; i < 1200; ++i) {
+
+ auto status = scanner_read_status(dev);
+
+ if (status.is_at_home) {
+ dbg.log(DBG_info, "TA reached home position");
+
+ if (dev.is_head_pos_known(ScanHeadId::PRIMARY)) {
+ if (dev.head_pos(ScanHeadId::PRIMARY) > dev.head_pos(ScanHeadId::SECONDARY)) {
+ dev.advance_head_pos_by_steps(ScanHeadId::PRIMARY, Direction::BACKWARD,
+ dev.head_pos(ScanHeadId::SECONDARY));
+ } else {
+ dev.set_head_pos_zero(ScanHeadId::PRIMARY);
+ }
+ dev.set_head_pos_zero(ScanHeadId::SECONDARY);
+ }
+
+ scanner_stop_action(dev);
+ gl843::gl843_set_xpa_motor_power(&dev, local_reg, false);
+ return;
+ }
+
+ dev.interface->sleep_ms(100);
+ }
+
+ throw SaneException("Timeout waiting for XPA lamp to park");
+}
+
+void sanei_genesys_calculate_zmod(bool two_table,
+ uint32_t exposure_time,
+ const std::vector<uint16_t>& slope_table,
+ unsigned acceleration_steps,
+ unsigned move_steps,
+ unsigned buffer_acceleration_steps,
+ uint32_t* out_z1, uint32_t* out_z2)
+{
+ DBG(DBG_info, "%s: two_table=%d\n", __func__, two_table);
+
+ // acceleration total time
+ unsigned sum = std::accumulate(slope_table.begin(), slope_table.begin() + acceleration_steps,
+ 0, std::plus<unsigned>());
+
+ /* Z1MOD:
+ c = sum(slope_table; reg_stepno)
+ d = reg_fwdstep * <cruising speed>
+ Z1MOD = (c+d) % exposure_time
+ */
+ *out_z1 = (sum + buffer_acceleration_steps * slope_table[acceleration_steps - 1]) % exposure_time;
+
+ /* Z2MOD:
+ a = sum(slope_table; reg_stepno)
+ b = move_steps or 1 if 2 tables
+ Z1MOD = (a+b) % exposure_time
+ */
+ if (!two_table) {
+ sum = sum + (move_steps * slope_table[acceleration_steps - 1]);
+ } else {
+ sum = sum + slope_table[acceleration_steps - 1];
+ }
+ *out_z2 = sum % 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 = static_cast<std::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 void genesys_average_white(Genesys_Device* dev, Genesys_Sensor& sensor, int channels,
+ int channel, uint8_t* data, int size, int *max_average)
+{
+
+ DBG_HELPER_ARGS(dbg, "channels=%d, channel=%d, size=%d", channels, channel, size);
+ int gain_white_ref, sum, range;
+ int average;
+ int i;
+
+ range = size / 50;
+
+ if (dev->settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ 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)
+ throw SaneException(SANE_STATUS_INVAL);
+}
+
+/* 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 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 void genesys_coarse_calibration(Genesys_Device* dev, Genesys_Sensor& sensor)
+{
+ DBG_HELPER_ARGS(dbg, "scan_mode = %d", static_cast<unsigned>(dev->settings.scan_mode));
+ int black_pixels;
+ int white_average;
+ uint8_t offset[4] = { 0xa0, 0x00, 0xa0, 0x40 }; /* first value isn't used */
+ uint16_t white[12], dark[12];
+ int i, j;
+
+ black_pixels = sensor.black_pixels
+ * dev->settings.xres / sensor.optical_res;
+
+ unsigned channels = dev->settings.get_channels();
+
+ DBG(DBG_info, "channels %d y_size %f xres %d\n", channels, dev->model->y_size.value(),
+ dev->settings.xres);
+ unsigned size = static_cast<unsigned>(channels * 2 * dev->model->y_size * dev->settings.xres /
+ MM_PER_INCH);
+ /* 1 1 mm 1/inch inch/mm */
+
+ std::vector<uint8_t> calibration_data(size);
+ std::vector<uint8_t> all_data(size * 4, 1);
+
+ dev->cmd_set->set_fe(dev, sensor, AFE_INIT);
+
+ 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 ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ 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);
+
+ dev->interface->write_fe_register(0x28, dev->frontend.get_gain(0));
+ dev->interface->write_fe_register(0x29, dev->frontend.get_gain(1));
+ dev->interface->write_fe_register(0x2a, dev->frontend.get_gain(2));
+ }
+
+ if (i == 3) /* last line */
+ {
+ double x, y, rate;
+
+ for (j = 0; j < 3; j++)
+ {
+
+ x = static_cast<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);
+ }
+ }
+ dev->interface->write_fe_register(0x20, dev->frontend.get_offset(0));
+ dev->interface->write_fe_register(0x21, dev->frontend.get_offset(1));
+ dev->interface->write_fe_register(0x22, dev->frontend.get_offset(2));
+
+ 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));
+
+
+ dev->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, false);
+
+ if (is_testing_mode()) {
+ dev->interface->test_checkpoint("coarse_calibration");
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+ return;
+ }
+
+ sanei_genesys_read_data_from_scanner(dev, calibration_data.data(), size);
+ 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 < static_cast<unsigned>(size * 4 / 2); count++) {
+ all_data_8[count] = all_data[count * 2 + 1];
+ }
+ sanei_genesys_write_pnm_file("gl_coarse.pnm", all_data_8.data(), 8, channels, size / 6, 4);
+ }
+
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+
+ 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);
+ }
+ } /* 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));
+}
+
+/**
+ * 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
+ */
+static void genesys_shading_calibration_impl(Genesys_Device* dev, const Genesys_Sensor& sensor,
+ std::vector<std::uint16_t>& out_average_data,
+ bool is_dark, const std::string& log_filename_prefix)
+{
+ DBG_HELPER(dbg);
+
+ debug_dump(DBG_info, dev->calib_session);
+
+ size_t size;
+ uint32_t pixels_per_line;
+ uint8_t channels;
+
+ /* 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;
+
+ // FIXME: we set this during both dark and white calibration. A cleaner approach should
+ // probably be used
+ dev->average_size = channels * out_pixels_per_line;
+
+ out_average_data.clear();
+ out_average_data.resize(dev->average_size);
+
+ if (is_dark && dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED) {
+ // FIXME: dark shading currently not supported on infrared transparency scans
+ return;
+ }
+
+ // FIXME: the current calculation is likely incorrect on non-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 == AsicType::GL843) {
+ size = channels * 2 * pixels_per_line * dev->calib_lines;
+ } else {
+ size = channels * 2 * pixels_per_line * (dev->calib_lines + 1);
+ }
+
+ std::vector<uint16_t> calibration_data(size / 2);
+
+ bool motor = true;
+ if (dev->model->flags & GENESYS_FLAG_SHADING_NO_MOVE)
+ {
+ motor = 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 (is_dark && !dev->model->is_sheetfed) {
+ 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);
+ }
+
+ dev->interface->write_registers(dev->calib_reg);
+
+ if (is_dark) {
+ // wait some time to let lamp to get dark
+ dev->interface->sleep_ms(200);
+ } else if (dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION) {
+ // make sure lamp is bright again
+ // FIXME: what about scanners that take a long time to warm the lamp?
+ dev->interface->sleep_ms(500);
+ }
+
+ bool start_motor = !is_dark;
+ dev->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, start_motor);
+
+
+ if (is_testing_mode()) {
+ dev->interface->test_checkpoint(is_dark ? "dark_shading_calibration"
+ : "white_shading_calibration");
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+ return;
+ }
+
+ sanei_genesys_read_data_from_scanner(dev, reinterpret_cast<std::uint8_t*>(calibration_data.data()),
+ size);
+
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+
+ if (dev->model->flags & GENESYS_FLAG_16BIT_DATA_INVERTED) {
+ for (std::size_t i = 0; i < size / 2; ++i) {
+ auto value = calibration_data[i];
+ value = ((value >> 8) & 0xff) | ((value << 8) & 0xff00);
+ calibration_data[i] = value;
+ }
+ }
+
+ std::fill(out_average_data.begin(),
+ out_average_data.begin() + dev->calib_pixels_offset * channels, 0);
+
+ compute_array_percentile_approx(out_average_data.data() + dev->calib_pixels_offset * channels,
+ calibration_data.data(),
+ dev->calib_lines, pixels_per_line * channels,
+ 0.5f);
+
+ if (DBG_LEVEL >= DBG_data) {
+ sanei_genesys_write_pnm_file16((log_filename_prefix + "_shading.pnm").c_str(),
+ calibration_data.data(),
+ channels, pixels_per_line, dev->calib_lines);
+ sanei_genesys_write_pnm_file16((log_filename_prefix + "_average.pnm").c_str(),
+ out_average_data.data(),
+ channels, out_pixels_per_line, 1);
+ }
+}
+
+
+static void genesys_dark_shading_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ genesys_shading_calibration_impl(dev, sensor, dev->dark_average_data, true, "gl_black_");
+}
+/*
+ * 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 void genesys_dummy_dark_shading(Genesys_Device* dev, const Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ uint32_t pixels_per_line;
+ uint8_t channels;
+ uint32_t skip, xend;
+ int dummy1, dummy2, dummy3; /* dummy black average per channel */
+
+ 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 * 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->sensor_id==SensorId::CCD_G4050 ||
+ dev->model->sensor_id==SensorId::CCD_HP_4850C
+ || dev->model->sensor_id==SensorId::CCD_CANON_4400F
+ || dev->model->sensor_id==SensorId::CCD_CANON_8400F
+ || dev->model->sensor_id==SensorId::CCD_KVSS080)
+ {
+ skip = 2;
+ xend = sensor.black_pixels;
+ }
+
+ /* average each channels on half left margin */
+ dummy1 = 0;
+ dummy2 = 0;
+ dummy3 = 0;
+
+ for (unsigned x = skip + 1; x <= xend; x++) {
+ dummy1 += dev->white_average_data[channels * x];
+ if (channels > 1) {
+ dummy2 += dev->white_average_data[channels * x + 1];
+ dummy3 += dev->white_average_data[channels * x + 2];
+ }
+ }
+
+ 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 (unsigned x = 0; x < out_pixels_per_line; x++) {
+ dev->dark_average_data[channels * x] = dummy1;
+ if (channels > 1) {
+ dev->dark_average_data[channels * x + 1] = dummy2;
+ dev->dark_average_data[channels * x + 2] = dummy3;
+ }
+ }
+}
+
+
+static void genesys_repark_sensor_before_shading(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+ if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK) {
+ dev->cmd_set->move_back_home(dev, true);
+
+ if (dev->settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ dev->cmd_set->move_to_ta(dev);
+ }
+ }
+}
+
+static void genesys_repark_sensor_after_white_shading(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+ if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK) {
+ dev->cmd_set->move_back_home(dev, true);
+ }
+}
+
+static void genesys_white_shading_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ genesys_shading_calibration_impl(dev, sensor, dev->white_average_data, false, "gl_white_");
+}
+
+// This calibration uses a scan over the calibration target, comprising a black and a white strip.
+// (So the motor must be on.)
+static void genesys_dark_white_shading_calibration(Genesys_Device* dev,
+ const Genesys_Sensor& sensor)
+{
+ DBG_HELPER_ARGS(dbg, "lines = %zu", dev->calib_lines);
+ size_t size;
+ uint32_t pixels_per_line;
+ uint8_t channels;
+ unsigned int x;
+ uint32_t dark, white, dark_sum, white_sum, dark_count, white_count, col,
+ dif;
+
+ 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 * 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);
+
+ bool motor = true;
+ if (dev->model->flags & GENESYS_FLAG_SHADING_NO_MOVE)
+ {
+ motor = 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);
+
+ dev->interface->write_registers(dev->calib_reg);
+
+ dev->cmd_set->begin_scan(dev, sensor, &dev->calib_reg, false);
+
+ if (is_testing_mode()) {
+ dev->interface->test_checkpoint("dark_white_shading_calibration");
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+ return;
+ }
+
+ sanei_genesys_read_data_from_scanner(dev, calibration_data.data(), size);
+
+ dev->cmd_set->end_scan(dev, &dev->calib_reg, true);
+
+ 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, 0);
+ std::fill(dev->white_average_data.begin(),
+ dev->white_average_data.begin() + dev->calib_pixels_offset * channels, 0);
+
+ uint16_t* average_white = dev->white_average_data.data() + dev->calib_pixels_offset * channels;
+ uint16_t* 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 (std::size_t y = 0; y < 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 (std::size_t y = 0; y < 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;
+ *average_white++ = white_sum;
+ }
+
+ if (DBG_LEVEL >= DBG_data) {
+ sanei_genesys_write_pnm_file16("gl_white_average.pnm", dev->white_average_data.data(),
+ channels, out_pixels_per_line, 1);
+ sanei_genesys_write_pnm_file16("gl_dark_average.pnm", dev->dark_average_data.data(),
+ channels, out_pixels_per_line, 1);
+ }
+}
+
+/* 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->sensor_id != SensorId::CIS_CANON_LIDE_80) {
+ 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)];
+ // white data
+ br += dev->white_average_data[(x + i + pixels_per_line * j)];
+ }
+
+ 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];
+ }
+ }
+ }
+}
+
+static std::array<unsigned, 3> color_order_to_cmat(ColorOrder color_order)
+{
+ switch (color_order) {
+ case ColorOrder::RGB: return {0, 1, 2};
+ case ColorOrder::GBR: return {2, 0, 1};
+ default:
+ throw std::logic_error("Unknown color order");
+ }
+}
+
+/**
+ * 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,
+ ColorOrder color_order,
+ 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);
+
+ auto cmat = color_order_to_cmat(color_order);
+
+ /* 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 * channels + c];
+
+ // white data
+ br = dev->white_average_data[x * channels + c];
+
+ /* 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,
+ ColorOrder color_order,
+ 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;
+
+ auto cmat = color_order_to_cmat(color_order);
+
+ 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 += dev->dark_average_data[((x+i) + pixels_per_line * c)];
+ br += dev->white_average_data[((x+i) + pixels_per_line * c)];
+ }
+ 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,
+ ColorOrder color_order,
+ 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 */
+
+ auto cmat = color_order_to_cmat(color_order);
+
+ 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)];
+ dk_tmp[i] += dev->dark_average_data[((x + i) * channels + j)];
+ }
+ }
+ 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 void genesys_send_shading_coefficient(Genesys_Device* dev, const Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+
+ if (dev->model->flags & GENESYS_FLAG_CALIBRATION_HOST_SIDE) {
+ return;
+ }
+
+ uint32_t pixels_per_line;
+ uint8_t channels;
+ int o;
+ unsigned int length; /**> number of shading calibration data words */
+ unsigned int factor;
+ unsigned int coeff, target_code, words_per_color = 0;
+
+ 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->sensor_id==SensorId::CIS_CANON_LIDE_80)
+ {
+ 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 (get_registers_gain4_bit(dev->model->asic_type, 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 REG_0x01_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 REG_0x01_FASTMOD.
+ */
+
+ /* TODO setup a struct in genesys_devices that
+ * will handle these settings instead of having this switch growing up */
+ switch (dev->model->sensor_id)
+ {
+ case SensorId::CCD_XP300:
+ case SensorId::CCD_ROADWARRIOR:
+ case SensorId::CCD_DP665:
+ case SensorId::CCD_DP685:
+ case SensorId::CCD_DSMOBILE600:
+ target_code = 0xdc00;
+ o = 4;
+ compute_planar_coefficients (dev,
+ shading_data.data(),
+ factor,
+ pixels_per_line,
+ words_per_color,
+ channels,
+ ColorOrder::RGB,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::CIS_XP200:
+ target_code = 0xdc00;
+ o = 2;
+ compute_planar_coefficients (dev,
+ shading_data.data(),
+ 1,
+ pixels_per_line,
+ words_per_color,
+ channels,
+ ColorOrder::GBR,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::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,
+ ColorOrder::RGB,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::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,
+ ColorOrder::RGB,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::CCD_HP3670:
+ case SensorId::CCD_HP2400:
+ target_code = 0xe000;
+ // offset is dependent on ccd_pixels_per_system_pixel(), but we couldn't use this in
+ // common code previously.
+ // FIXME: use sensor.ccd_pixels_per_system_pixel()
+ if(dev->settings.xres<=300)
+ {
+ o = -10;
+ }
+ else if(dev->settings.xres<=600)
+ {
+ o = -6;
+ }
+ else
+ {
+ o = +2;
+ }
+ compute_coefficients (dev,
+ shading_data.data(),
+ pixels_per_line,
+ 3,
+ ColorOrder::RGB,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::CCD_KVSS080:
+ case SensorId::CCD_PLUSTEK_OPTICBOOK_3800:
+ case SensorId::CCD_G4050:
+ case SensorId::CCD_HP_4850C:
+ case SensorId::CCD_CANON_4400F:
+ case SensorId::CCD_CANON_8400F:
+ case SensorId::CCD_CANON_8600F:
+ case SensorId::CCD_PLUSTEK_OPTICFILM_7200I:
+ case SensorId::CCD_PLUSTEK_OPTICFILM_7300:
+ case SensorId::CCD_PLUSTEK_OPTICFILM_7500I:
+ target_code = 0xe000;
+ o = 0;
+ compute_coefficients (dev,
+ shading_data.data(),
+ pixels_per_line,
+ 3,
+ ColorOrder::RGB,
+ o,
+ coeff,
+ target_code);
+ break;
+ case SensorId::CIS_CANON_LIDE_700F:
+ case SensorId::CIS_CANON_LIDE_100:
+ case SensorId::CIS_CANON_LIDE_200:
+ case SensorId::CIS_CANON_LIDE_110:
+ case SensorId::CIS_CANON_LIDE_120:
+ case SensorId::CIS_CANON_LIDE_210:
+ case SensorId::CIS_CANON_LIDE_220:
+ /* TODO store this in a data struct so we avoid
+ * growing this switch */
+ switch(dev->model->sensor_id)
+ {
+ case SensorId::CIS_CANON_LIDE_110:
+ case SensorId::CIS_CANON_LIDE_120:
+ case SensorId::CIS_CANON_LIDE_210:
+ case SensorId::CIS_CANON_LIDE_220:
+ case SensorId::CIS_CANON_LIDE_700F:
+ target_code = 0xc000;
+ 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,
+ ColorOrder::RGB,
+ 0,
+ coeff,
+ target_code);
+ break;
+ case SensorId::CIS_CANON_LIDE_35:
+ compute_averaged_planar (dev, sensor,
+ shading_data.data(),
+ pixels_per_line,
+ words_per_color,
+ channels,
+ 4,
+ coeff,
+ 0xe000,
+ 0x0a00);
+ break;
+ case SensorId::CIS_CANON_LIDE_80:
+ compute_averaged_planar (dev, sensor,
+ shading_data.data(),
+ pixels_per_line,
+ words_per_color,
+ channels,
+ 0,
+ coeff,
+ 0xe000,
+ 0x0800);
+ break;
+ case SensorId::CCD_PLUSTEK_OPTICPRO_3600:
+ compute_shifted_coefficients (dev, sensor,
+ shading_data.data(),
+ pixels_per_line,
+ channels,
+ ColorOrder::RGB,
+ 12, /* offset */
+ coeff,
+ 0x0001, /* target_dark */
+ 0xf900, /* target_bright */
+ 256); /* patch_size: contigous extent */
+ break;
+ default:
+ throw SaneException(SANE_STATUS_UNSUPPORTED, "sensor %d not supported",
+ static_cast<unsigned>(dev->model->sensor_id));
+ break;
+ }
+
+ // do the actual write of shading calibration data to the scanner
+ genesys_send_offset_and_shading(dev, sensor, shading_data.data(), length);
+}
+
+
+/**
+ * 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)
+{
+ DBG_HELPER(dbg);
+
+ // if no cache or no function to evaluate cache entry ther can be no match/
+ if (dev->calibration_cache.empty()) {
+ return false;
+ }
+
+ auto session = dev->cmd_set->calculate_scan_session(dev, sensor, dev->settings);
+
+ /* we walk the link list of calibration cache in search for a
+ * matching one */
+ for (auto& cache : dev->calibration_cache)
+ {
+ if (sanei_genesys_is_compatible_calibration(dev, session, &cache, 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->cmd_set->has_send_shading_data()) {
+ 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 void genesys_save_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+#ifdef HAVE_SYS_TIME_H
+ struct timeval time;
+#endif
+
+ auto session = dev->cmd_set->calculate_scan_session(dev, sensor, dev->settings);
+
+ 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 (sanei_genesys_is_compatible_calibration(dev, session, &*cache_it, 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->params = session.params;
+ 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, nullptr);
+ found_cache_it->last_calibration = time.tv_sec;
+#endif
+}
+
+/**
+ * does the calibration process for a flatbed scanner
+ * - offset calibration
+ * - gain calibration
+ * - shading calibration
+ * @param dev device to calibrate
+ */
+static void genesys_flatbed_calibration(Genesys_Device* dev, Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ uint32_t pixels_per_line;
+
+ unsigned coarse_res = sensor.optical_res;
+ if (dev->settings.yres <= sensor.optical_res / 2) {
+ coarse_res /= 2;
+ }
+
+ if (dev->model->model_id == ModelId::CANON_8400F) {
+ coarse_res = 1600;
+ }
+
+ if (dev->model->model_id == ModelId::CANON_4400F ||
+ dev->model->model_id == ModelId::CANON_8600F)
+ {
+ coarse_res = 1200;
+ }
+
+ /* do offset calibration if needed */
+ if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION)
+ {
+ dev->interface->record_progress_message("offset_calibration");
+ dev->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
+
+ /* since all the registers are set up correctly, just use them */
+ dev->interface->record_progress_message("coarse_gain_calibration");
+ dev->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, coarse_res);
+ } else {
+ /* since we have 2 gain calibration proc, skip second if first one was
+ used. */
+ dev->interface->record_progress_message("init_regs_for_coarse_calibration");
+ dev->cmd_set->init_regs_for_coarse_calibration(dev, sensor, dev->calib_reg);
+
+ dev->interface->record_progress_message("genesys_coarse_calibration");
+ genesys_coarse_calibration(dev, sensor);
+ }
+
+ if (dev->model->is_cis)
+ {
+ /* the afe now sends valid data for doing led calibration */
+ dev->interface->record_progress_message("led_calibration");
+ switch (dev->model->asic_type) {
+ case AsicType::GL124:
+ case AsicType::GL845:
+ case AsicType::GL846:
+ case AsicType::GL847: {
+ auto calib_exposure = dev->cmd_set->led_calibration(dev, sensor, dev->calib_reg);
+ for (auto& sensor_update :
+ sanei_genesys_find_sensors_all_for_write(dev, sensor.method)) {
+ sensor_update.get().exposure = calib_exposure;
+ }
+ sensor.exposure = calib_exposure;
+ break;
+ }
+ default: {
+ sensor.exposure = dev->cmd_set->led_calibration(dev, sensor, dev->calib_reg);
+ }
+ }
+
+
+ /* calibrate afe again to match new exposure */
+ if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION) {
+ dev->interface->record_progress_message("offset_calibration");
+ dev->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
+
+ // since all the registers are set up correctly, just use them
+
+ dev->interface->record_progress_message("coarse_gain_calibration");
+ dev->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, coarse_res);
+ } else {
+ // since we have 2 gain calibration proc, skip second if first one was used
+ dev->interface->record_progress_message("init_regs_for_coarse_calibration");
+ dev->cmd_set->init_regs_for_coarse_calibration(dev, sensor, dev->calib_reg);
+
+ dev->interface->record_progress_message("genesys_coarse_calibration");
+ genesys_coarse_calibration(dev, sensor);
+ }
+ }
+
+ /* 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 = static_cast<std::uint32_t>((dev->model->x_size * dev->settings.xres) /
+ MM_PER_INCH);
+ }
+ else
+ {
+ pixels_per_line = sensor.sensor_pixels;
+ }
+
+ // send default shading data
+ dev->interface->record_progress_message("sanei_genesys_init_shading_data");
+ sanei_genesys_init_shading_data(dev, sensor, pixels_per_line);
+
+ if (dev->settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ dev->cmd_set->move_to_ta(dev);
+ }
+
+ // shading calibration
+ if (dev->model->flags & GENESYS_FLAG_DARK_WHITE_CALIBRATION) {
+ dev->interface->record_progress_message("init_regs_for_shading");
+ dev->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
+
+ dev->interface->record_progress_message("genesys_dark_white_shading_calibration");
+ genesys_dark_white_shading_calibration(dev, sensor);
+ } else {
+ DBG(DBG_proc, "%s : genesys_dark_shading_calibration dev->calib_reg ", __func__);
+ debug_dump(DBG_proc, dev->calib_reg);
+
+ if (dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION) {
+ dev->interface->record_progress_message("init_regs_for_shading");
+ dev->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
+
+ dev->interface->record_progress_message("genesys_dark_shading_calibration");
+ genesys_dark_shading_calibration(dev, sensor);
+ genesys_repark_sensor_before_shading(dev);
+ }
+
+ dev->interface->record_progress_message("init_regs_for_shading2");
+ dev->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
+
+ dev->interface->record_progress_message("genesys_white_shading_calibration");
+ genesys_white_shading_calibration(dev, sensor);
+ genesys_repark_sensor_after_white_shading(dev);
+
+ if (!(dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION)) {
+ genesys_dummy_dark_shading(dev, sensor);
+ }
+ }
+
+ if (!dev->cmd_set->has_send_shading_data()) {
+ dev->interface->record_progress_message("genesys_send_shading_coefficient");
+ genesys_send_shading_coefficient(dev, sensor);
+ }
+}
+
+/**
+ * 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
+ */
+static void genesys_sheetfed_calibration(Genesys_Device* dev, Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ bool forward = true;
+
+ // first step, load document
+ dev->cmd_set->load_document(dev);
+
+ /* led, offset and gain calibration are influenced by scan
+ * settings. So we set it to sensor resolution */
+ dev->settings.xres = sensor.optical_res;
+ /* XP200 needs to calibrate a full and half sensor's resolution */
+ if (dev->model->sensor_id == SensorId::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 {
+ dev->cmd_set->search_strip(dev, sensor, forward, false);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&](){ dev->cmd_set->eject_document(dev); });
+ throw;
+ }
+
+ if (dev->model->is_cis)
+ {
+ dev->cmd_set->led_calibration(dev, sensor, dev->calib_reg);
+ }
+
+ /* calibrate afe */
+ if (dev->model->flags & GENESYS_FLAG_OFFSET_CALIBRATION)
+ {
+ dev->cmd_set->offset_calibration(dev, sensor, dev->calib_reg);
+
+ /* since all the registers are set up correctly, just use them */
+
+ dev->cmd_set->coarse_gain_calibration(dev, sensor, dev->calib_reg, sensor.optical_res);
+ }
+ else
+ /* since we have 2 gain calibration proc, skip second if first one was
+ used. */
+ {
+ dev->cmd_set->init_regs_for_coarse_calibration(dev, sensor, dev->calib_reg);
+
+ genesys_coarse_calibration(dev, sensor);
+ }
+
+ /* 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 {
+ dev->cmd_set->search_strip(dev, sensor, forward, true);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&](){ dev->cmd_set->eject_document(dev); });
+ throw;
+ }
+
+ dev->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
+
+ try {
+ genesys_dark_shading_calibration(dev, sensor);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&](){ dev->cmd_set->eject_document(dev); });
+ throw;
+ }
+ forward = false;
+ }
+
+
+ /* go to a white area */
+ try {
+ dev->cmd_set->search_strip(dev, sensor, forward, false);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&](){ dev->cmd_set->eject_document(dev); });
+ throw;
+ }
+
+ genesys_repark_sensor_before_shading(dev);
+
+ dev->cmd_set->init_regs_for_shading(dev, sensor, dev->calib_reg);
+
+ try {
+ genesys_white_shading_calibration(dev, sensor);
+ genesys_repark_sensor_after_white_shading(dev);
+ } catch (...) {
+ catch_all_exceptions(__func__, [&](){ dev->cmd_set->eject_document(dev); });
+ throw;
+ }
+
+ // in case we haven't black shading data, build it from black pixels of white calibration
+ // FIXME: shouldn't we use genesys_dummy_dark_shading() ?
+ if (!(dev->model->flags & GENESYS_FLAG_DARK_CALIBRATION)) {
+ dev->dark_average_data.clear();
+ dev->dark_average_data.resize(dev->average_size, 0x0f0f);
+ /* 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->cmd_set->has_send_shading_data()) {
+ genesys_send_shading_coefficient(dev, sensor);
+ }
+
+ // save the calibration data
+ genesys_save_calibration(dev, sensor);
+
+ // and finally eject calibration sheet
+ dev->cmd_set->eject_document(dev);
+
+ // restore settings
+ dev->settings.xres = sensor.optical_res;
+}
+
+/**
+ * does the calibration process for a device
+ * @param dev device to calibrate
+ */
+static void genesys_scanner_calibration(Genesys_Device* dev, Genesys_Sensor& sensor)
+{
+ DBG_HELPER(dbg);
+ if (!dev->model->is_sheetfed) {
+ genesys_flatbed_calibration(dev, sensor);
+ return;
+ }
+ genesys_sheetfed_calibration(dev, sensor);
+}
+
+
+/* ------------------------------------------------------------------------ */
+/* 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 void genesys_warmup_lamp(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+ unsigned seconds = 0;
+ int pixel;
+ int channels, total_size;
+ double first_average = 0;
+ double second_average = 0;
+ int difference = 255;
+ int lines = 3;
+
+ const auto& sensor = sanei_genesys_find_sensor_any(dev);
+
+ dev->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__);
+ dev->cmd_set->begin_scan(dev, sensor, &dev->reg, false);
+
+ if (is_testing_mode()) {
+ dev->interface->test_checkpoint("warmup_lamp");
+ dev->cmd_set->end_scan(dev, &dev->reg, true);
+ return;
+ }
+
+ wait_until_buffer_non_empty(dev);
+
+ try {
+ sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size);
+ } catch (...) {
+ // FIXME: document why this retry is here
+ sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size);
+ }
+
+ dev->cmd_set->end_scan(dev, &dev->reg, true);
+
+ dev->interface->sleep_ms(1000);
+ seconds++;
+
+ dev->cmd_set->begin_scan(dev, sensor, &dev->reg, false);
+
+ wait_until_buffer_non_empty(dev);
+
+ sanei_genesys_read_data_from_scanner(dev, second_line.data(), total_size);
+ dev->cmd_set->end_scan(dev, &dev->reg, true);
+
+ /* compute difference between the two scans */
+ for (pixel = 0; pixel < total_size; pixel++)
+ {
+ // 16 bit data
+ if (dev->session.params.depth == 16) {
+ 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->session.params.depth == 16) {
+ first_average /= pixel;
+ second_average /= pixel;
+ difference = static_cast<int>(std::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 */
+ dev->interface->sleep_ms(1000);
+ seconds++;
+ } while (seconds < WARMUP_TIME);
+
+ if (seconds >= WARMUP_TIME)
+ {
+ throw SaneException(SANE_STATUS_IO_ERROR,
+ "warmup timed out after %d seconds. Lamp defective?", seconds);
+ }
+ else
+ {
+ DBG(DBG_info, "%s: warmup succeeded after %d seconds\n", __func__, seconds);
+ }
+}
+
+
+// High-level start of scanning
+static void genesys_start_scan(Genesys_Device* dev, bool lamp_off)
+{
+ DBG_HELPER(dbg);
+ unsigned int steps, expected;
+
+ /* 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) {
+ sanei_genesys_wait_for_home(dev);
+ }
+
+ // disable power saving
+ dev->cmd_set->save_power(dev, false);
+
+ /* 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))
+ {
+ genesys_warmup_lamp(dev);
+ }
+
+ /* set top left x and y values by scanning the internals if flatbed scanners */
+ if (!dev->model->is_sheetfed) {
+ /* do the geometry detection only once */
+ if ((dev->model->flags & GENESYS_FLAG_SEARCH_START)
+ && (dev->model->y_offset_calib_white == 0))
+ {
+ dev->cmd_set->search_start_position (dev);
+
+ dev->parking = false;
+ dev->cmd_set->move_back_home(dev, true);
+ }
+ else
+ {
+ /* Go home */
+ /* TODO: check we can drop this since we cannot have the
+ scanner's head wandering here */
+ dev->parking = false;
+ dev->cmd_set->move_back_home(dev, true);
+ }
+ }
+
+ /* move to calibration area for transparency adapter */
+ if (dev->settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ dev->cmd_set->move_to_ta(dev);
+ }
+
+ /* load document if needed (for sheetfed scanner for instance) */
+ if (dev->model->is_sheetfed) {
+ dev->cmd_set->load_document(dev);
+ }
+
+ auto& sensor = sanei_genesys_find_sensor_for_write(dev, dev->settings.xres,
+ dev->settings.get_channels(),
+ dev->settings.scan_method);
+
+ // send gamma tables. They have been set to device or user value
+ // when setting option value */
+ dev->cmd_set->send_gamma_table(dev, sensor);
+
+ /* 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) {
+ genesys_scanner_calibration(dev, sensor);
+ 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.scan_mode == ScanColorMode::LINEART) {
+ sanei_genesys_load_lut(dev->lineart_lut, 8, 8, 50, 205, dev->settings.threshold_curve,
+ dev->settings.threshold-127);
+ }
+
+ dev->cmd_set->wait_for_motor_stop(dev);
+
+ if (dev->cmd_set->needs_home_before_init_regs_for_scan(dev)) {
+ dev->cmd_set->move_back_home(dev, true);
+ }
+
+ if (dev->settings.scan_method == ScanMethod::TRANSPARENCY ||
+ dev->settings.scan_method == ScanMethod::TRANSPARENCY_INFRARED)
+ {
+ dev->cmd_set->move_to_ta(dev);
+ }
+
+ dev->cmd_set->init_regs_for_scan(dev, sensor);
+
+ /* no lamp during scan */
+ if (lamp_off) {
+ 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->cmd_set->has_send_shading_data() &&
+ !(dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
+ {
+ genesys_send_shading_coefficient(dev, sensor);
+ }
+
+ // now send registers for scan
+ dev->interface->write_registers(dev->reg);
+
+ // start effective scan
+ dev->cmd_set->begin_scan(dev, sensor, &dev->reg, true);
+
+ if (is_testing_mode()) {
+ dev->interface->test_checkpoint("start_scan");
+ return;
+ }
+
+ /*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
+ dev->interface->sleep_ms(100);
+ sanei_genesys_read_feed_steps (dev, &steps);
+ }
+ while (steps < expected);
+
+ wait_until_buffer_non_empty(dev);
+
+ // 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) {
+ do {
+ dev->interface->sleep_ms(100);
+ sanei_genesys_read_valid_words(dev, &steps);
+ }
+ while (steps < 1);
+ }
+}
+
+static void genesys_fill_read_buffer(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+
+ /* for sheetfed scanner, we must check is document is shorter than
+ * the requested scan */
+ if (dev->model->is_sheetfed) {
+ dev->cmd_set->detect_document_end(dev);
+ }
+
+ std::size_t size = dev->read_buffer.size() - dev->read_buffer.avail();
+
+ /* 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.
+ */
+ dev->pipeline_buffer.get_data(size, dev->read_buffer.get_write_pos(size));
+
+ dev->read_buffer.produce(size);
+}
+
+/* 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.
+ Returns true on success, false on end-of-file.
+*/
+static void genesys_read_ordered_data(Genesys_Device* dev, SANE_Byte* destination, size_t* len)
+{
+ DBG_HELPER(dbg);
+ size_t bytes = 0;
+ uint8_t *work_buffer_src;
+ Genesys_Buffer *src_buffer;
+
+ if (!dev->read_active) {
+ *len = 0;
+ throw SaneException("read is not active");
+ }
+
+ DBG(DBG_info, "%s: frontend requested %zu bytes\n", __func__, *len);
+ DBG(DBG_info, "%s: bytes_to_read=%zu, total_bytes_read=%zu\n", __func__,
+ dev->total_bytes_to_read, dev->total_bytes_read);
+
+ /* is there data left to scan */
+ if (dev->total_bytes_read >= dev->total_bytes_to_read)
+ {
+ /* issue park command immediatly in case scanner can handle it
+ * so we save time */
+ if (!dev->model->is_sheetfed && !(dev->model->flags & GENESYS_FLAG_MUST_WAIT) &&
+ !dev->parking)
+ {
+ dev->cmd_set->move_back_home(dev, false);
+ dev->parking = true;
+ }
+ throw SaneException(SANE_STATUS_EOF, "nothing more to scan: EOF");
+ }
+
+/* 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.
+ */
+
+ if (is_testing_mode()) {
+ if (dev->total_bytes_read + *len > dev->total_bytes_to_read) {
+ *len = dev->total_bytes_to_read - dev->total_bytes_read;
+ }
+ dev->total_bytes_read += *len;
+ } else {
+ genesys_fill_read_buffer(dev);
+
+ src_buffer = &(dev->read_buffer);
+
+ /* move data to destination */
+ bytes = std::min(src_buffer->avail(), *len);
+
+ work_buffer_src = src_buffer->get_read_pos();
+
+ std::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->cmd_set->end_scan(dev, &dev->reg, true);
+ if (dev->model->is_sheetfed) {
+ dev->cmd_set->eject_document (dev);
+ }
+ }
+
+ DBG(DBG_proc, "%s: completed, %zu bytes read\n", __func__, bytes);
+}
+
+
+
+/* ------------------------------------------------------------------------ */
+/* 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 std::size_t max_string_size(const std::vector<const char*>& strings)
+{
+ std::size_t max_size = 0;
+ for (const auto& s : strings) {
+ if (!s) {
+ continue;
+ }
+ max_size = std::max(max_size, std::strlen(s));
+ }
+ return max_size;
+}
+
+static unsigned pick_resolution(const std::vector<unsigned>& resolutions, unsigned resolution,
+ const char* direction)
+{
+ DBG_HELPER(dbg);
+
+ if (resolutions.empty())
+ throw SaneException("Empty resolution list");
+
+ unsigned best_res = resolutions.front();
+ unsigned min_diff = abs_diff(best_res, resolution);
+
+ for (auto it = std::next(resolutions.begin()); it != resolutions.end(); ++it) {
+ unsigned curr_diff = abs_diff(*it, resolution);
+ if (curr_diff < min_diff) {
+ min_diff = curr_diff;
+ best_res = *it;
+ }
+ }
+
+ if (best_res != resolution) {
+ DBG(DBG_warn, "%s: using resolution %d that is nearest to %d for direction %s\n",
+ __func__, best_res, resolution, direction);
+ }
+ return best_res;
+}
+
+static void calc_parameters(Genesys_Scanner* s)
+{
+ DBG_HELPER(dbg);
+ 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 = 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.scan_method = s->scan_method;
+ const auto& resolutions = s->dev->model->get_resolution_settings(s->dev->settings.scan_method);
+
+ 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 (static_cast<unsigned>(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->dev->settings.xres = pick_resolution(resolutions.resolutions_x, s->dev->settings.xres, "X");
+ s->dev->settings.yres = pick_resolution(resolutions.resolutions_y, s->dev->settings.yres, "Y");
+
+ s->params.lines = static_cast<unsigned>(((br_y - tl_y) * s->dev->settings.yres) /
+ MM_PER_INCH);
+ unsigned pixels_per_line = static_cast<unsigned>(((br_x - tl_x) * s->dev->settings.xres) /
+ 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 == AsicType::GL847 ||
+ s->dev->model->asic_type == AsicType::GL124 ||
+ s->dev->model->asic_type == AsicType::GL845 ||
+ s->dev->model->asic_type == AsicType::GL846 ||
+ s->dev->model->asic_type == AsicType::GL843)
+ {
+ if (s->dev->settings.xres <= 1200) {
+ pixels_per_line = (pixels_per_line / 4) * 4;
+ } else if (s->dev->settings.xres < s->dev->settings.yres) {
+ // BUG: this is an artifact of the fact that the resolution was twice as large than
+ // the actual resolution when scanning above the supported scanner X resolution
+ pixels_per_line = (pixels_per_line / 8) * 8;
+ } else {
+ pixels_per_line = (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 == AsicType::GL124 ||
+ s->dev->model->asic_type == AsicType::GL847 ||
+ s->dev->session.params.xres < s->dev->session.params.yres))
+ {
+ if (s->dev->settings.xres < s->dev->settings.yres) {
+ // FIXME: this is an artifact of the fact that the resolution was twice as large than
+ // the actual resolution when scanning above the supported scanner X resolution
+ pixels_per_line = (pixels_per_line / 8) * 8;
+ } else {
+ pixels_per_line = (pixels_per_line / 16) * 16;
+ }
+ }
+
+ unsigned xres_factor = s->resolution / s->dev->settings.xres;
+
+ unsigned bytes_per_line = 0;
+
+ if (s->params.depth > 8)
+ {
+ s->params.depth = 16;
+ bytes_per_line = 2 * pixels_per_line;
+ }
+ else if (s->params.depth == 1)
+ {
+ // round down pixel number. This will is lossy operation, at most 7 pixels will be lost
+ pixels_per_line = (pixels_per_line / 8) * 8;
+ bytes_per_line = pixels_per_line / 8;
+ } else {
+ bytes_per_line = pixels_per_line;
+ }
+
+ if (s->params.format == SANE_FRAME_RGB) {
+ bytes_per_line *= 3;
+ }
+
+ s->dev->settings.scan_mode = option_string_to_scan_color_mode(s->mode);
+
+ s->dev->settings.lines = s->params.lines;
+ s->dev->settings.pixels = pixels_per_line;
+ s->dev->settings.requested_pixels = pixels_per_line * xres_factor;
+ s->params.pixels_per_line = pixels_per_line * xres_factor;
+ s->params.bytes_per_line = bytes_per_line * xres_factor;
+ s->dev->settings.tl_x = tl_x;
+ s->dev->settings.tl_y = tl_y;
+
+ // threshold setting
+ s->dev->settings.threshold = static_cast<int>(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;
+ }
+
+ // 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 = true;
+ }
+ else
+ {
+ s->dev->buffer_image = 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;
+}
+
+
+static void create_bpp_list (Genesys_Scanner * s, const std::vector<unsigned>& bpp)
+{
+ s->bpp_list[0] = bpp.size();
+ std::reverse_copy(bpp.begin(), bpp.end(), s->bpp_list + 1);
+}
+
+/** @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 == AsicType::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 nullptr
+ */
+static SANE_Range create_range(float size)
+{
+ SANE_Range range;
+ range.min = SANE_FIX(0.0);
+ range.max = SANE_FIX(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 std::string calibration_filename(Genesys_Device *currdev)
+{
+ std::string ret;
+ ret.resize(PATH_MAX);
+
+ char filename[80];
+ unsigned int count;
+ unsigned int i;
+
+ /* 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
+ */
+ char* ptr = std::getenv("HOME");
+ if (ptr == nullptr) {
+ ptr = std::getenv("USERPROFILE");
+ }
+ if (ptr == nullptr) {
+ ptr = std::getenv("TMPDIR");
+ }
+ if (ptr == nullptr) {
+ ptr = std::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)
+ {
+ std::snprintf(filename, sizeof(filename), "%s.cal", currdev->file_name.c_str());
+ 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 (ptr == nullptr) {
+ int size = std::snprintf(&ret.front(), ret.size(), "%s", filename);
+ ret.resize(size);
+ }
+ else
+ {
+ int size = 0;
+#ifdef HAVE_MKDIR
+ /* make sure .sane directory exists in existing store dir */
+ size = std::snprintf(&ret.front(), ret.size(), "%s%c.sane", ptr, PATH_SEP);
+ ret.resize(size);
+ mkdir(ret.c_str(), 0700);
+
+ ret.resize(PATH_MAX);
+#endif
+ size = std::snprintf(&ret.front(), ret.size(), "%s%c.sane%c%s",
+ ptr, PATH_SEP, PATH_SEP, filename);
+ ret.resize(size);
+ }
+
+ DBG(DBG_info, "%s: calibration filename >%s<\n", __func__, ret.c_str());
+
+ return ret;
+}
+
+static void set_resolution_option_values(Genesys_Scanner& s, bool reset_resolution_value)
+{
+ auto resolutions = s.dev->model->get_resolutions(s.scan_method);
+
+ s.opt_resolution_values.resize(resolutions.size() + 1, 0);
+ s.opt_resolution_values[0] = resolutions.size();
+ std::copy(resolutions.begin(), resolutions.end(), s.opt_resolution_values.begin() + 1);
+
+ s.opt[OPT_RESOLUTION].constraint.word_list = s.opt_resolution_values.data();
+
+ if (reset_resolution_value) {
+ s.resolution = *std::min_element(resolutions.begin(), resolutions.end());
+ }
+}
+
+static void set_xy_range_option_values(Genesys_Scanner& s)
+{
+ if (s.scan_method == ScanMethod::FLATBED)
+ {
+ s.opt_x_range = create_range(static_cast<float>(s.dev->model->x_size));
+ s.opt_y_range = create_range(static_cast<float>(s.dev->model->y_size));
+ }
+ else
+ {
+ s.opt_x_range = create_range(static_cast<float>(s.dev->model->x_size_ta));
+ s.opt_y_range = create_range(static_cast<float>(s.dev->model->y_size_ta));
+ }
+
+ s.opt[OPT_TL_X].constraint.range = &s.opt_x_range;
+ s.opt[OPT_TL_Y].constraint.range = &s.opt_y_range;
+ s.opt[OPT_BR_X].constraint.range = &s.opt_x_range;
+ s.opt[OPT_BR_Y].constraint.range = &s.opt_y_range;
+
+ s.pos_top_left_x = 0;
+ s.pos_top_left_y = 0;
+ s.pos_bottom_right_x = s.opt_x_range.max;
+ s.pos_bottom_right_y = s.opt_y_range.max;
+}
+
+static void init_options(Genesys_Scanner* s)
+{
+ DBG_HELPER(dbg);
+ SANE_Int option;
+ Genesys_Model *model = s->dev->model;
+
+ 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].name = "scanmode-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_source_values.clear();
+ for (const auto& resolution_setting : model->resolutions) {
+ for (auto method : resolution_setting.methods) {
+ s->opt_source_values.push_back(scan_method_to_option_string(method));
+ }
+ }
+ s->opt_source_values.push_back(nullptr);
+
+ 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(s->opt_source_values);
+ s->opt[OPT_SOURCE].constraint.string_list = s->opt_source_values.data();
+ if (s->opt_source_values.size() < 2) {
+ throw SaneException("No scan methods specified for scanner");
+ }
+ s->scan_method = model->default_method;
+
+ /* 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 = s->bpp_list;
+ create_bpp_list (s, model->bpp_gray_values);
+ s->bit_depth = model->bpp_gray_values[0];
+
+ // resolution
+ 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;
+ set_resolution_option_values(*s, true);
+
+ /* "Geometry" group: */
+ s->opt[OPT_GEOMETRY_GROUP].name = SANE_NAME_GEOMETRY;
+ 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;
+
+ s->opt_x_range = create_range(static_cast<float>(model->x_size));
+ s->opt_y_range = create_range(static_cast<float>(model->y_size));
+
+ // scan area
+ 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_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_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_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;
+
+ set_xy_range_option_values(*s);
+
+ /* "Enhancement" group: */
+ s->opt[OPT_ENHANCEMENT_GROUP].name = SANE_NAME_ENHANCEMENT;
+ 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].name = "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;
+
+ /* 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==AsicType::GL847 || model->asic_type==AsicType::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 == AsicType::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].name = SANE_NAME_SENSORS;
+ 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 ("Needs 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].name = "buttons";
+ 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;
+
+ // ignore offsets option
+ s->opt[OPT_IGNORE_OFFSETS].name = "ignore-internal-offsets";
+ s->opt[OPT_IGNORE_OFFSETS].title = SANE_I18N("Ignore internal offsets");
+ s->opt[OPT_IGNORE_OFFSETS].desc =
+ SANE_I18N("Acquires the image including the internal calibration areas of the scanner");
+ s->opt[OPT_IGNORE_OFFSETS].type = SANE_TYPE_BUTTON;
+ s->opt[OPT_IGNORE_OFFSETS].unit = SANE_UNIT_NONE;
+ s->opt[OPT_IGNORE_OFFSETS].size = 0;
+ s->opt[OPT_IGNORE_OFFSETS].constraint_type = SANE_CONSTRAINT_NONE;
+ s->opt[OPT_IGNORE_OFFSETS].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT |
+ SANE_CAP_ADVANCED;
+
+ calc_parameters(s);
+}
+
+static bool present;
+
+// this function is passed to C API, it must not throw
+static SANE_Status
+check_present (SANE_String_Const devname) noexcept
+{
+ DBG_HELPER_ARGS(dbg, "%s detected.", devname);
+ present = true;
+ return SANE_STATUS_GOOD;
+}
+
+static Genesys_Device* attach_usb_device(const char* devname,
+ std::uint16_t vendor_id, std::uint16_t product_id)
+{
+ Genesys_USB_Device_Entry* found_usb_dev = nullptr;
+ for (auto& usb_dev : *s_usb_devices) {
+ if (usb_dev.vendor == vendor_id &&
+ usb_dev.product == product_id)
+ {
+ found_usb_dev = &usb_dev;
+ break;
+ }
+ }
+
+ if (found_usb_dev == nullptr) {
+ throw SaneException("vendor 0x%xd product 0x%xd is not supported by this backend",
+ vendor_id, product_id);
+ }
+
+ s_devices->emplace_back();
+ Genesys_Device* dev = &s_devices->back();
+ dev->file_name = devname;
+
+ dev->model = &found_usb_dev->model;
+ dev->vendorId = found_usb_dev->vendor;
+ dev->productId = found_usb_dev->product;
+ dev->usb_mode = 0; // i.e. unset
+ dev->already_initialized = false;
+ return dev;
+}
+
+static Genesys_Device* attach_device_by_name(SANE_String_Const devname, bool may_wait)
+{
+ DBG_HELPER_ARGS(dbg, " devname: %s, may_wait = %d", devname, may_wait);
+
+ if (!devname) {
+ throw SaneException("devname must not be nullptr");
+ }
+
+ for (auto& dev : *s_devices) {
+ if (dev.file_name == devname) {
+ DBG(DBG_info, "%s: device `%s' was already in device list\n", __func__, devname);
+ return &dev;
+ }
+ }
+
+ 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);
+ usb_dev.close();
+
+ /* KV-SS080 is an auxiliary device which requires a master device to be here */
+ if(vendor == 0x04da && product == 0x100f)
+ {
+ present = 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 == false) {
+ throw SaneException("master device not present");
+ }
+ }
+
+ Genesys_Device* dev = attach_usb_device(devname, vendor, product);
+
+ DBG(DBG_info, "%s: found %s flatbed scanner %s at %s\n", __func__, dev->model->vendor,
+ dev->model->model, dev->file_name.c_str());
+
+ return dev;
+}
+
+// this function is passed to C API and must not throw
+static SANE_Status attach_one_device(SANE_String_Const devname) noexcept
+{
+ DBG_HELPER(dbg);
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ attach_device_by_name(devname, false);
+ });
+}
+
+/* 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 void probe_genesys_devices()
+{
+ DBG_HELPER(dbg);
+ if (is_testing_mode()) {
+ attach_usb_device(get_testing_device_name().c_str(),
+ get_testing_vendor_id(), get_testing_product_id());
+ return;
+ }
+
+ SANEI_Config config;
+
+ // set configuration options structure : no option for this backend
+ config.descriptors = nullptr;
+ config.values = nullptr;
+ config.count = 0;
+
+ TIE(sanei_configure_attach(GENESYS_CONFIG_FILE, &config, config_attach_genesys));
+
+ DBG(DBG_info, "%s: %zu devices currently attached\n", __func__, s_devices->size());
+}
+
+/**
+ * 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 = 21;
+
+bool read_calibration(std::istream& str, Genesys_Device::Calibration& calibration,
+ const std::string& path)
+{
+ DBG_HELPER(dbg);
+
+ 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 void genesys_buffer_image(Genesys_Scanner *s)
+{
+ DBG_HELPER(dbg);
+ 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 = static_cast<int>((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.scan_mode == ScanColorMode::LINEART) {
+ 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) {
+ len = size - maximum;
+ if (len > read_size)
+ {
+ len = read_size;
+ }
+
+ try {
+ genesys_read_ordered_data(dev, dev->img_buffer.data() + total, &len);
+ } catch (const SaneException& e) {
+ if (e.status() == SANE_STATUS_EOF) {
+ // ideally we shouldn't end up here, but because computations are duplicated and
+ // slightly different everywhere in the genesys backend, we have no other choice
+ break;
+ }
+ throw;
+ }
+ total += len;
+
+ // do we need to enlarge read buffer ?
+ if (total + read_size > size) {
+ 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 && !dev->parking) {
+ dev->cmd_set->move_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.scan_mode == ScanColorMode::LINEART) {
+ 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);
+ }
+}
+
+/* -------------------------- SANE API functions ------------------------- */
+
+void sane_init_impl(SANE_Int * version_code, SANE_Auth_Callback authorize)
+{
+ DBG_INIT ();
+ DBG_HELPER_ARGS(dbg, "authorize %s null", authorize ? "!=" : "==");
+ DBG(DBG_init, "SANE Genesys backend from %s\n", PACKAGE_STRING);
+
+ if (!is_testing_mode()) {
+#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, SANE_CURRENT_MINOR, 0);
+ }
+
+ if (!is_testing_mode()) {
+ sanei_usb_init();
+ }
+
+ /* init sanei_magic */
+ sanei_magic_init();
+
+ s_scanners.init();
+ s_devices.init();
+ s_sane_devices.init();
+ s_sane_devices_data.init();
+ s_sane_devices_ptrs.init();
+ genesys_init_sensor_tables();
+ genesys_init_frontend_tables();
+ genesys_init_gpo_tables();
+ genesys_init_motor_tables();
+ genesys_init_motor_profile_tables();
+ genesys_init_usb_device_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
+ probe_genesys_devices();
+}
+
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_init(SANE_Int * version_code, SANE_Auth_Callback authorize)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_init_impl(version_code, authorize);
+ });
+}
+
+void
+sane_exit_impl(void)
+{
+ DBG_HELPER(dbg);
+
+ if (!is_testing_mode()) {
+ sanei_usb_exit();
+ }
+
+ run_functions_at_backend_exit();
+}
+
+SANE_GENESYS_API_LINKAGE
+void sane_exit()
+{
+ catch_all_exceptions(__func__, [](){ sane_exit_impl(); });
+}
+
+void sane_get_devices_impl(const SANE_Device *** device_list, SANE_Bool local_only)
+{
+ DBG_HELPER_ARGS(dbg, "local_only = %s", local_only ? "true" : "false");
+
+ if (!is_testing_mode()) {
+ // hot-plug case : detection of newly connected scanners */
+ sanei_usb_scan_devices();
+ }
+ probe_genesys_devices();
+
+ s_sane_devices->clear();
+ s_sane_devices_data->clear();
+ s_sane_devices_ptrs->clear();
+ s_sane_devices->reserve(s_devices->size());
+ s_sane_devices_data->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();) {
+
+ if (is_testing_mode()) {
+ present = true;
+ } else {
+ present = false;
+ sanei_usb_find_devices(dev_it->vendorId, dev_it->productId, check_present);
+ }
+
+ if (present) {
+ s_sane_devices->emplace_back();
+ s_sane_devices_data->emplace_back();
+ auto& sane_device = s_sane_devices->back();
+ auto& sane_device_data = s_sane_devices_data->back();
+ sane_device_data.name = dev_it->file_name;
+ sane_device.name = sane_device_data.name.c_str();
+ 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);
+
+ *const_cast<SANE_Device***>(device_list) = s_sane_devices_ptrs->data();
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_get_devices(const SANE_Device *** device_list, SANE_Bool local_only)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_get_devices_impl(device_list, local_only);
+ });
+}
+
+static void sane_open_impl(SANE_String_Const devicename, SANE_Handle * handle)
+{
+ DBG_HELPER_ARGS(dbg, "devicename = %s", devicename);
+ Genesys_Device* dev = nullptr;
+
+ /* 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 (d.file_name == devicename) {
+ dev = &d;
+ break;
+ }
+ }
+
+ if (dev) {
+ DBG(DBG_info, "%s: found `%s' in devlist\n", __func__, dev->model->name);
+ } else if (is_testing_mode()) {
+ DBG(DBG_info, "%s: couldn't find `%s' in devlist, not attaching", __func__, devicename);
+ } else {
+ DBG(DBG_info, "%s: couldn't find `%s' in devlist, trying attach\n", __func__,
+ devicename);
+ dbg.status("attach_device_by_name");
+ dev = attach_device_by_name(devicename, true);
+ dbg.clear();
+ }
+ } else {
+ // empty devicename or "genesys" -> use first device
+ if (!s_devices->empty()) {
+ dev = &s_devices->front();
+ DBG(DBG_info, "%s: empty devicename, trying `%s'\n", __func__, dev->file_name.c_str());
+ }
+ }
+
+ if (!dev) {
+ throw SaneException("could not find the device to open: %s", devicename);
+ }
+
+ 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.c_str());
+
+ if (is_testing_mode()) {
+ auto interface = std::unique_ptr<TestScannerInterface>{new TestScannerInterface{dev}};
+ interface->set_checkpoint_callback(get_testing_checkpoint_callback());
+ dev->interface = std::move(interface);
+ } else {
+ dev->interface = std::unique_ptr<ScannerInterfaceUsb>{new ScannerInterfaceUsb{dev}};
+ }
+ dev->interface->get_usb_device().open(dev->file_name.c_str());
+ dbg.clear();
+
+ s_scanners->push_back(Genesys_Scanner());
+ auto* s = &s_scanners->back();
+
+ s->dev = dev;
+ s->scanning = false;
+ s->dev->parking = false;
+ s->dev->read_active = false;
+ s->dev->force_calibration = 0;
+ s->dev->line_count = 0;
+
+ *handle = s;
+
+ if (!dev->already_initialized) {
+ sanei_genesys_init_structs (dev);
+ }
+
+ init_options(s);
+
+ sanei_genesys_init_cmd_set(s->dev);
+
+ // FIXME: we create sensor tables for the sensor, this should happen when we know which sensor
+ // we will select
+ dev->cmd_set->init(dev);
+
+ // some hardware capabilities are detected through sensors
+ s->dev->cmd_set->update_hardware_sensors (s);
+
+ /* here is the place to fetch a stored calibration cache */
+ if (s->dev->force_calibration == 0)
+ {
+ auto path = calibration_filename(s->dev);
+ s->calibration_file = path;
+ s->dev->calib_file = path;
+ DBG(DBG_info, "%s: Calibration filename set to:\n", __func__);
+ DBG(DBG_info, "%s: >%s<\n", __func__, s->dev->calib_file.c_str());
+
+ catch_all_exceptions(__func__, [&]()
+ {
+ sanei_genesys_read_calibration(s->dev->calibration_cache, s->dev->calib_file);
+ });
+ }
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_open(SANE_String_Const devicename, SANE_Handle* handle)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_open_impl(devicename, handle);
+ });
+}
+
+void
+sane_close_impl(SANE_Handle handle)
+{
+ DBG_HELPER(dbg);
+
+ /* 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) {
+ catch_all_exceptions(__func__, [&](){ s->dev->cmd_set->eject_document(s->dev); });
+ }
+ else
+ {
+ /* in case scanner is parking, wait for the head
+ * to reach home position */
+ if (s->dev->parking) {
+ sanei_genesys_wait_for_home(s->dev);
+ }
+ }
+
+ // enable power saving before leaving
+ s->dev->cmd_set->save_power(s->dev, true);
+
+ // here is the place to store calibration cache
+ if (s->dev->force_calibration == 0 && !is_testing_mode()) {
+ catch_all_exceptions(__func__, [&](){ write_calibration(s->dev->calibration_cache,
+ s->dev->calib_file); });
+ }
+
+ s->dev->already_initialized = false;
+
+ s->dev->clear();
+
+ // LAMP OFF : same register across all the ASICs */
+ s->dev->interface->write_register(0x03, 0x00);
+
+ catch_all_exceptions(__func__, [&](){ s->dev->interface->get_usb_device().clear_halt(); });
+
+ // we need this to avoid these ASIC getting stuck in bulk writes
+ catch_all_exceptions(__func__, [&](){ s->dev->interface->get_usb_device().reset(); });
+
+ // not freeing s->dev because it's in the dev list
+ catch_all_exceptions(__func__, [&](){ s->dev->interface->get_usb_device().close(); });
+
+ s_scanners->erase(it);
+}
+
+SANE_GENESYS_API_LINKAGE
+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)
+{
+ DBG_HELPER(dbg);
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ if (static_cast<unsigned>(option) >= NUM_OPTIONS) {
+ return nullptr;
+ }
+
+ DBG(DBG_io2, "%s: option = %s (%d)\n", __func__, s->opt[option].name, option);
+ return s->opt + option;
+}
+
+
+SANE_GENESYS_API_LINKAGE
+const SANE_Option_Descriptor* sane_get_option_descriptor(SANE_Handle handle, SANE_Int option)
+{
+ const SANE_Option_Descriptor* ret = nullptr;
+ catch_all_exceptions(__func__, [&]()
+ {
+ ret = sane_get_option_descriptor_impl(handle, option);
+ });
+ return ret;
+}
+
+static void print_option(DebugMessageHelper& dbg, const Genesys_Scanner& s, int option, void* val)
+{
+ switch (s.opt[option].type) {
+ case SANE_TYPE_INT: {
+ dbg.vlog(DBG_proc, "value: %d", *reinterpret_cast<SANE_Word*>(val));
+ return;
+ }
+ case SANE_TYPE_BOOL: {
+ dbg.vlog(DBG_proc, "value: %s", *reinterpret_cast<SANE_Bool*>(val) ? "true" : "false");
+ return;
+ }
+ case SANE_TYPE_FIXED: {
+ dbg.vlog(DBG_proc, "value: %f", SANE_UNFIX(*reinterpret_cast<SANE_Word*>(val)));
+ return;
+ }
+ case SANE_TYPE_STRING: {
+ dbg.vlog(DBG_proc, "value: %s", reinterpret_cast<char*>(val));
+ return;
+ }
+ default: break;
+ }
+ dbg.log(DBG_proc, "value: (non-printable)");
+}
+
+static void get_option_value(Genesys_Scanner* s, int option, void* val)
+{
+ DBG_HELPER_ARGS(dbg, "option: %s (%d)", s->opt[option].name, option);
+ unsigned int i;
+ SANE_Word* table = nullptr;
+ std::vector<uint16_t> gamma_table;
+ unsigned option_size = 0;
+
+ const Genesys_Sensor* sensor = nullptr;
+ if (sanei_genesys_has_sensor(s->dev, s->dev->settings.xres, s->dev->settings.get_channels(),
+ s->dev->settings.scan_method))
+ {
+ sensor = &sanei_genesys_find_sensor(s->dev, s->dev->settings.xres,
+ s->dev->settings.get_channels(),
+ s->dev->settings.scan_method);
+ }
+
+ 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_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), scan_method_to_option_string(s->scan_method));
+ break;
+
+ /* word array options */
+ case OPT_GAMMA_VECTOR:
+ if (!sensor)
+ throw SaneException("Unsupported scanner mode selected");
+
+ table = reinterpret_cast<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:
+ if (!sensor)
+ throw SaneException("Unsupported scanner mode selected");
+
+ table = reinterpret_cast<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:
+ if (!sensor)
+ throw SaneException("Unsupported scanner mode selected");
+
+ table = reinterpret_cast<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:
+ if (!sensor)
+ throw SaneException("Unsupported scanner mode selected");
+
+ table = reinterpret_cast<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:
+ s->dev->cmd_set->update_hardware_sensors(s);
+ *reinterpret_cast<SANE_Bool*>(val) = s->buttons[genesys_option_to_button(option)].read();
+ break;
+
+ case OPT_NEED_CALIBRATION_SW: {
+ if (!sensor) {
+ throw SaneException("Unsupported scanner mode selected");
+ }
+
+ // scanner needs calibration for current mode unless a matching calibration cache is
+ // found
+
+ bool result = true;
+
+ auto session = s->dev->cmd_set->calculate_scan_session(s->dev, *sensor,
+ s->dev->settings);
+
+ for (auto& cache : s->dev->calibration_cache) {
+ if (sanei_genesys_is_compatible_calibration(s->dev, session, &cache, false)) {
+ *reinterpret_cast<SANE_Bool*>(val) = SANE_FALSE;
+ }
+ }
+ *reinterpret_cast<SANE_Bool*>(val) = result;
+ break;
+ }
+ default:
+ DBG(DBG_warn, "%s: can't get unknown option %d\n", __func__, option);
+ }
+ print_option(dbg, *s, option, val);
+}
+
+/** @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 void set_option_value(Genesys_Scanner* s, int option, void *val, SANE_Int* myinfo)
+{
+ DBG_HELPER_ARGS(dbg, "option: %s (%d)", s->opt[option].name, option);
+ print_option(dbg, *s, option, val);
+
+ SANE_Word *table;
+ unsigned int i;
+ unsigned option_size = 0;
+
+ switch (option)
+ {
+ case OPT_TL_X:
+ s->pos_top_left_x = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_TL_Y:
+ s->pos_top_left_y = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_BR_X:
+ s->pos_bottom_right_x = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_BR_Y:
+ s->pos_bottom_right_y = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_RESOLUTION:
+ s->resolution = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_THRESHOLD:
+ s->threshold = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_THRESHOLD_CURVE:
+ s->threshold_curve = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_SWCROP:
+ s->swcrop = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_SWDESKEW:
+ s->swdeskew = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_DESPECK:
+ s->despeck = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_SWDEROTATE:
+ s->swderotate = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_SWSKIP:
+ s->swskip = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_DISABLE_INTERPOLATION:
+ s->disable_interpolation = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_LAMP_OFF:
+ s->lamp_off = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_PREVIEW:
+ s->preview = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_BRIGHTNESS:
+ s->brightness = *reinterpret_cast<SANE_Word*>(val);
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS;
+ break;
+ case OPT_CONTRAST:
+ s->contrast = *reinterpret_cast<SANE_Word*>(val);
+ 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);
+ }
+ 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);
+ }
+ calc_parameters(s);
+ *myinfo |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
+ break;
+ case OPT_SOURCE: {
+ auto scan_method = option_string_to_scan_method(reinterpret_cast<const char*>(val));
+ if (s->scan_method != scan_method) {
+ s->scan_method = scan_method;
+
+ set_xy_range_option_values(*s);
+ set_resolution_option_values(*s, false);
+
+ *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 != AsicType::GL646 || !s->dev->model->is_cis) {
+ ENABLE(OPT_COLOR_FILTER);
+ }
+ }
+ else
+ {
+ DISABLE (OPT_THRESHOLD);
+ DISABLE (OPT_THRESHOLD_CURVE);
+ if (s->mode == SANE_VALUE_SCAN_MODE_GRAY)
+ {
+ if (s->dev->model->asic_type != AsicType::GL646 || !s->dev->model->is_cis) {
+ ENABLE(OPT_COLOR_FILTER);
+ }
+ create_bpp_list (s, s->dev->model->bpp_gray_values);
+ s->bit_depth = s->dev->model->bpp_gray_values[0];
+ }
+ else
+ {
+ DISABLE (OPT_COLOR_FILTER);
+ create_bpp_list (s, s->dev->model->bpp_color_values);
+ s->bit_depth = s->dev->model->bpp_color_values[0];
+ }
+ }
+ 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);
+ 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);
+ s->dev->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
+ s->dev->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 = reinterpret_cast<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 = reinterpret_cast<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 = reinterpret_cast<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 = reinterpret_cast<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: {
+ auto& sensor = sanei_genesys_find_sensor_for_write(s->dev, s->dev->settings.xres,
+ s->dev->settings.get_channels(),
+ s->dev->settings.scan_method);
+ catch_all_exceptions(__func__, [&]()
+ {
+ s->dev->cmd_set->save_power(s->dev, false);
+ genesys_scanner_calibration(s->dev, sensor);
+ });
+ catch_all_exceptions(__func__, [&]()
+ {
+ s->dev->cmd_set->save_power(s->dev, true);
+ });
+ *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;
+
+ case OPT_IGNORE_OFFSETS: {
+ s->dev->ignore_offsets = true;
+ break;
+ }
+ default:
+ DBG(DBG_warn, "%s: can't set unknown option %d\n", __func__, option);
+ }
+}
+
+
+/* sets and gets scanner option values */
+void sane_control_option_impl(SANE_Handle handle, SANE_Int option,
+ SANE_Action action, void *val, SANE_Int * info)
+{
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+ auto action_str = (action == SANE_ACTION_GET_VALUE) ? "get" :
+ (action == SANE_ACTION_SET_VALUE) ? "set" :
+ (action == SANE_ACTION_SET_AUTO) ? "set_auto" : "unknown";
+ DBG_HELPER_ARGS(dbg, "action = %s, option = %s (%d)", action_str,
+ s->opt[option].name, option);
+
+ SANE_Word cap;
+ SANE_Int myinfo = 0;
+
+ if (info) {
+ *info = 0;
+ }
+
+ if (s->scanning) {
+ throw SaneException(SANE_STATUS_DEVICE_BUSY,
+ "don't call this function while scanning (option = %s (%d))",
+ s->opt[option].name, option);
+ }
+ if (option >= NUM_OPTIONS || option < 0) {
+ throw SaneException("option %d >= NUM_OPTIONS || option < 0", option);
+ }
+
+ cap = s->opt[option].cap;
+
+ if (!SANE_OPTION_IS_ACTIVE (cap)) {
+ throw SaneException("option %d is inactive", option);
+ }
+
+ switch (action) {
+ case SANE_ACTION_GET_VALUE:
+ get_option_value(s, option, val);
+ break;
+
+ case SANE_ACTION_SET_VALUE:
+ if (!SANE_OPTION_IS_SETTABLE (cap)) {
+ throw SaneException("option %d is not settable", option);
+ }
+
+ TIE(sanei_constrain_value(s->opt + option, val, &myinfo));
+
+ set_option_value(s, option, val, &myinfo);
+ break;
+
+ case SANE_ACTION_SET_AUTO:
+ throw SaneException("SANE_ACTION_SET_AUTO unsupported since no option "
+ "has SANE_CAP_AUTOMATIC");
+ default:
+ throw SaneException("unknown action %d for option %d", action, option);
+ }
+
+ if (info)
+ *info = myinfo;
+}
+
+SANE_GENESYS_API_LINKAGE
+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__, [=]()
+ {
+ sane_control_option_impl(handle, option, action, val, info);
+ });
+}
+
+void sane_get_parameters_impl(SANE_Handle handle, SANE_Parameters* params)
+{
+ DBG_HELPER(dbg);
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ /* don't recompute parameters once data reading is active, ie during scan */
+ if (!s->dev->read_active) {
+ 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 && !s->dev->buffer_image &&
+ s->pos_bottom_right_y == s->opt[OPT_BR_Y].constraint.range->max)
+ {
+ params->lines = -1;
+ }
+ }
+ debug_dump(DBG_proc, *params);
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_get_parameters(SANE_Handle handle, SANE_Parameters* params)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_get_parameters_impl(handle, params);
+ });
+}
+
+void sane_start_impl(SANE_Handle handle)
+{
+ DBG_HELPER(dbg);
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ if (s->pos_top_left_x >= s->pos_bottom_right_x) {
+ throw SaneException("top left x >= bottom right x");
+ }
+ if (s->pos_top_left_y >= s->pos_bottom_right_y) {
+ throw SaneException("top left y >= bottom right y");
+ }
+
+ /* First make sure we have a current parameter set. Some of the
+ parameters will be overwritten below, but that's OK. */
+
+ calc_parameters(s);
+ genesys_start_scan(s->dev, s->lamp_off);
+
+ s->scanning = true;
+
+ /* allocate intermediate buffer when doing dynamic lineart */
+ if (s->dev->settings.scan_mode == ScanColorMode::LINEART) {
+ 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)
+ {
+ 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)) {
+ auto status = sanei_magic_isBlank(&s->params,
+ s->dev->img_buffer.data(),
+ SANE_UNFIX(s->swskip));
+
+ if (status == SANE_STATUS_NO_DOCS && s->dev->model->is_sheetfed) {
+ DBG(DBG_info, "%s: blank page, recurse\n", __func__);
+ sane_start(handle);
+ return;
+ }
+
+ if (status != SANE_STATUS_GOOD) {
+ throw SaneException(status);
+ }
+ }
+
+ if (s->swdeskew) {
+ const auto& sensor = sanei_genesys_find_sensor(s->dev, s->dev->settings.xres,
+ s->dev->settings.get_channels(),
+ s->dev->settings.scan_method);
+ catch_all_exceptions(__func__, [&](){ genesys_deskew(s, sensor); });
+ }
+
+ if (s->swdespeck) {
+ catch_all_exceptions(__func__, [&](){ genesys_despeck(s); });
+ }
+
+ if(s->swcrop) {
+ catch_all_exceptions(__func__, [&](){ genesys_crop(s); });
+ }
+
+ if(s->swderotate) {
+ catch_all_exceptions(__func__, [&](){ genesys_derotate(s); });
+ }
+ }
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_start(SANE_Handle handle)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_start_impl(handle);
+ });
+}
+
+void sane_read_impl(SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, SANE_Int* len)
+{
+ DBG_HELPER(dbg);
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+ Genesys_Device *dev;
+ size_t local_len;
+
+ if (!s) {
+ throw SaneException("handle is nullptr");
+ }
+
+ dev=s->dev;
+ if (!dev) {
+ throw SaneException("dev is nullptr");
+ }
+
+ if (!buf) {
+ throw SaneException("buf is nullptr");
+ }
+
+ if (!len) {
+ throw SaneException("len is nullptr");
+ }
+
+ *len = 0;
+
+ if (!s->scanning) {
+ throw SaneException(SANE_STATUS_CANCELLED,
+ "scan was cancelled, is over or has not been initiated yet");
+ }
+
+ DBG(DBG_proc, "%s: start, %d maximum bytes required\n", __func__, max_len);
+ DBG(DBG_io2, "%s: bytes_to_read=%zu, total_bytes_read=%zu\n", __func__,
+ dev->total_bytes_to_read, dev->total_bytes_read);
+
+ 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 && !(dev->model->flags & GENESYS_FLAG_MUST_WAIT) &&
+ !dev->parking)
+ {
+ dev->cmd_set->move_back_home(dev, false);
+ dev->parking = true;
+ }
+ throw SaneException(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.scan_mode == ScanColorMode::LINEART) {
+ /* 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();
+ genesys_read_ordered_data(dev, dev->local_buffer.get_write_pos(local_len),
+ &local_len);
+ dev->local_buffer.produce(local_len);
+
+ dev->binarize_buffer.reset();
+ if (!is_testing_mode()) {
+ 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 (static_cast<std::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 */
+ 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 > static_cast<std::size_t>(max_len)) {
+ fprintf (stderr, "[genesys] sane_read: returning incorrect length!!\n");
+ }
+ DBG(DBG_proc, "%s: %d bytes returned\n", __func__, *len);
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_read(SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, SANE_Int* len)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_read_impl(handle, buf, max_len, len);
+ });
+}
+
+void sane_cancel_impl(SANE_Handle handle)
+{
+ DBG_HELPER(dbg);
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ s->scanning = false;
+ s->dev->read_active = false;
+ s->dev->img_buffer.clear();
+
+ /* no need to end scan if we are parking the head */
+ if (!s->dev->parking) {
+ s->dev->cmd_set->end_scan(s->dev, &s->dev->reg, true);
+ }
+
+ /* park head if flatbed scanner */
+ if (!s->dev->model->is_sheetfed) {
+ if (!s->dev->parking) {
+ s->dev->cmd_set->move_back_home (s->dev, s->dev->model->flags &
+ GENESYS_FLAG_MUST_WAIT);
+
+ 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 */
+ s->dev->cmd_set->eject_document(s->dev);
+ }
+
+ /* enable power saving mode unless we are parking .... */
+ if (!s->dev->parking) {
+ s->dev->cmd_set->save_power(s->dev, true);
+ }
+
+ return;
+}
+
+SANE_GENESYS_API_LINKAGE
+void sane_cancel(SANE_Handle handle)
+{
+ catch_all_exceptions(__func__, [=]() { sane_cancel_impl(handle); });
+}
+
+void sane_set_io_mode_impl(SANE_Handle handle, SANE_Bool non_blocking)
+{
+ DBG_HELPER_ARGS(dbg, "handle = %p, non_blocking = %s", handle,
+ non_blocking == SANE_TRUE ? "true" : "false");
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ if (!s->scanning) {
+ throw SaneException("not scanning");
+ }
+ if (non_blocking) {
+ throw SaneException(SANE_STATUS_UNSUPPORTED);
+ }
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_set_io_mode(SANE_Handle handle, SANE_Bool non_blocking)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ sane_set_io_mode_impl(handle, non_blocking);
+ });
+}
+
+void sane_get_select_fd_impl(SANE_Handle handle, SANE_Int* fd)
+{
+ DBG_HELPER_ARGS(dbg, "handle = %p, fd = %p", handle, reinterpret_cast<void*>(fd));
+ Genesys_Scanner* s = reinterpret_cast<Genesys_Scanner*>(handle);
+
+ if (!s->scanning) {
+ throw SaneException("not scanning");
+ }
+ throw SaneException(SANE_STATUS_UNSUPPORTED);
+}
+
+SANE_GENESYS_API_LINKAGE
+SANE_Status sane_get_select_fd(SANE_Handle handle, SANE_Int* fd)
+{
+ return wrap_exceptions_to_status_code(__func__, [=]()
+ {
+ 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");
+ }
+}
+
+} // namespace genesys
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 14:48:09 +0000