New upstream version 1.0.31upstream/1.0.31

1 files changed, 0 insertions, 238 deletions

diff --git a/backend/genesys/conv.cpp b/backend/genesys/conv.cpp
deleted file mode 100644
index a87c463..0000000
--- a/backend/genesys/conv.cpp
+++ /dev/null
@@ -1,238 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
-   Copyright (C) 2005, 2006 Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
-   Copyright (C) 2010-2013 Stéphane Voltz <stef.dev@free.fr>
-
-   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.
-*/
-
-#define DEBUG_DECLARE_ONLY
-
-#include "conv.h"
-#include "sane/sanei_magic.h"
-
-namespace genesys {
-
-/**
- * uses the threshold/threshold_curve to control software binarization
- * This code was taken from the epjistsu backend by m. allan noah
- * @param dev device set up for the scan
- * @param src pointer to raw data
- * @param dst pointer where to store result
- * @param width width of the processed line
- * */
-void binarize_line(Genesys_Device* dev, std::uint8_t* src, std::uint8_t* dst, int width)
-{
-    DBG_HELPER(dbg);
-  int j, windowX, sum = 0;
-  int thresh;
-  int offset, addCol, dropCol;
-  unsigned char mask;
-
-  int x;
-    std::uint8_t min, max;
-
-  /* normalize line */
-  min = 255;
-  max = 0;
-    for (x = 0; x < width; x++)
-      {
-	if (src[x] > max)
-	  {
-	    max = src[x];
-	  }
-	if (src[x] < min)
-	  {
-	    min = src[x];
-	  }
-      }
-
-    /* safeguard against dark or white areas */
-    if(min>80)
-	    min=0;
-    if(max<80)
-	    max=255;
-    for (x = 0; x < width; x++)
-      {
-	src[x] = ((src[x] - min) * 255) / (max - min);
-      }
-
-  /* ~1mm works best, but the window needs to have odd # of pixels */
-  windowX = (6 * dev->settings.xres) / 150;
-  if (!(windowX % 2))
-    windowX++;
-
-  /* second, prefill the sliding sum */
-  for (j = 0; j < windowX; j++)
-    sum += src[j];
-
-  /* third, walk the input buffer, update the sliding sum, */
-  /* determine threshold, output bits */
-  for (j = 0; j < width; j++)
-    {
-      /* output image location */
-      offset = j % 8;
-      mask = 0x80 >> offset;
-      thresh = dev->settings.threshold;
-
-      /* move sum/update threshold only if there is a curve */
-      if (dev->settings.threshold_curve)
-	{
-	  addCol = j + windowX / 2;
-	  dropCol = addCol - windowX;
-
-	  if (dropCol >= 0 && addCol < width)
-	    {
-	      sum -= src[dropCol];
-	      sum += src[addCol];
-	    }
-	  thresh = dev->lineart_lut[sum / windowX];
-	}
-
-      /* use average to lookup threshold */
-      if (src[j] > thresh)
-	*dst &= ~mask;		/* white */
-      else
-	*dst |= mask;		/* black */
-
-      if (offset == 7)
-	dst++;
-    }
-}
-
-/**
- * software lineart using data from a 8 bit gray scan. We assume true gray
- * or monochrome scan as input.
- */
-void genesys_gray_lineart(Genesys_Device* dev,
-                          std::uint8_t* src_data, std::uint8_t* dst_data,
-                          std::size_t pixels, std::size_t lines, std::uint8_t threshold)
-{
-    DBG_HELPER(dbg);
-    std::size_t y;
-
-    DBG(DBG_io2, "%s: converting %zu lines of %zu pixels\n", __func__, lines, pixels);
-  DBG(DBG_io2, "%s: threshold=%d\n", __func__, threshold);
-
-  for (y = 0; y < lines; y++)
-    {
-      binarize_line (dev, src_data + y * pixels, dst_data, pixels);
-      dst_data += pixels / 8;
-    }
-}
-
-/** Look in image for likely left/right/bottom paper edges, then crop image.
- */
-void genesys_crop(Genesys_Scanner* s)
-{
-    DBG_HELPER(dbg);
-  Genesys_Device *dev = s->dev;
-  int top = 0;
-  int bottom = 0;
-  int left = 0;
-  int right = 0;
-
-    // first find edges if any
-    TIE(sanei_magic_findEdges(&s->params, dev->img_buffer.data(),
-                              dev->settings.xres, dev->settings.yres,
-                              &top, &bottom, &left, &right));
-
-  DBG (DBG_io, "%s: t:%d b:%d l:%d r:%d\n", __func__, top, bottom, left,
-       right);
-
-    // now crop the image
-    TIE(sanei_magic_crop (&(s->params), dev->img_buffer.data(), top, bottom, left, right));
-
-  /* update counters to new image size */
-  dev->total_bytes_to_read = s->params.bytes_per_line * s->params.lines;
-}
-
-/** Look in image for likely upper and left paper edges, then rotate
- * image so that upper left corner of paper is upper left of image.
- */
-void genesys_deskew(Genesys_Scanner *s, const Genesys_Sensor& sensor)
-{
-    DBG_HELPER(dbg);
-  Genesys_Device *dev = s->dev;
-
-  int x = 0, y = 0, bg;
-  double slope = 0;
-
-  bg=0;
-  if(s->params.format==SANE_FRAME_GRAY && s->params.depth == 1)
-    {
-      bg=0xff;
-    }
-    TIE(sanei_magic_findSkew(&s->params, dev->img_buffer.data(),
-                             sensor.optical_res, sensor.optical_res,
-                             &x, &y, &slope));
-
-    DBG(DBG_info, "%s: slope=%f => %f\n", __func__, slope, slope * 180 / M_PI);
-
-    // rotate image slope is in [-PI/2,PI/2]. Positive values rotate trigonometric direction wise
-    TIE(sanei_magic_rotate(&s->params, dev->img_buffer.data(),
-                           x, y, slope, bg));
-}
-
-/** remove lone dots
- */
-void genesys_despeck(Genesys_Scanner* s)
-{
-    DBG_HELPER(dbg);
-    TIE(sanei_magic_despeck(&s->params, s->dev->img_buffer.data(), s->despeck));
-}
-
-/** Look if image needs rotation and apply it
- * */
-void genesys_derotate(Genesys_Scanner* s)
-{
-    DBG_HELPER(dbg);
-  int angle = 0;
-
-    TIE(sanei_magic_findTurn(&s->params, s->dev->img_buffer.data(),
-                             s->resolution, s->resolution, &angle));
-
-    // apply rotation angle found
-    TIE(sanei_magic_turn(&s->params, s->dev->img_buffer.data(), angle));
-
-    // update counters to new image size
-    s->dev->total_bytes_to_read = s->params.bytes_per_line * s->params.lines;
-}
-
-} // namespace genesys