Merge branch 'release/experimental/1.0.29-1_experimental1'experimental/1.0.29-1_experimental1

1 files changed, 0 insertions, 478 deletions

diff --git a/backend/genesys_conv.c b/backend/genesys_conv.c
deleted file mode 100644
index 61f466e..0000000
--- a/backend/genesys_conv.c
+++ /dev/null
@@ -1,478 +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.
-*/
-
-/*
- * Conversion filters for genesys backend
- */
-
-
-/*8 bit*/
-#define SINGLE_BYTE
-#define BYTES_PER_COMPONENT 1
-#define COMPONENT_TYPE uint8_t
-
-#define FUNC_NAME(f) f ## _8
-
-#include "genesys_conv_hlp.c"
-
-#undef FUNC_NAME
-
-#undef COMPONENT_TYPE
-#undef BYTES_PER_COMPONENT
-#undef SINGLE_BYTE
-
-/*16 bit*/
-#define DOUBLE_BYTE
-#define BYTES_PER_COMPONENT 2
-#define COMPONENT_TYPE uint16_t
-
-#define FUNC_NAME(f) f ## _16
-
-#include "genesys_conv_hlp.c"
-
-#undef FUNC_NAME
-
-#undef COMPONENT_TYPE
-#undef BYTES_PER_COMPONENT
-#undef DOUBLE_BYTE
-
-static SANE_Status
-genesys_reverse_bits(
-    uint8_t *src_data,
-    uint8_t *dst_data,
-    size_t bytes)
-{
-    size_t i;
-    for(i = 0; i < bytes; i++) {
-	*dst_data++ = ~ *src_data++;
-    }
-    return SANE_STATUS_GOOD;
-}
-
-/**
- * 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
- * */
-static SANE_Status
-binarize_line(Genesys_Device * dev, uint8_t *src, uint8_t *dst, int width)
-{
-  int j, windowX, sum = 0;
-  int thresh;
-  int offset, addCol, dropCol;
-  unsigned char mask;
-
-  int x;
-  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++;
-    }
-
-  return SANE_STATUS_GOOD;
-}
-
-/**
- * software lineart using data from a 8 bit gray scan. We assume true gray
- * or monochrome scan as input.
- */
-static SANE_Status
-genesys_gray_lineart(
-    Genesys_Device *dev,
-    uint8_t *src_data,
-    uint8_t *dst_data,
-    size_t pixels,
-    size_t lines,
-    uint8_t threshold)
-{
-  size_t y;
-
-  DBG (DBG_io2, "genesys_gray_lineart: converting %lu lines of %lu pixels\n",
-       (unsigned long)lines, (unsigned long)pixels);
-  DBG (DBG_io2, "genesys_gray_lineart: threshold=%d\n",threshold);
-
-  for (y = 0; y < lines; y++)
-    {
-      binarize_line (dev, src_data + y * pixels, dst_data, pixels);
-      dst_data += pixels / 8;
-    }
-  return SANE_STATUS_GOOD;
-}
-
-/** @brief shrink or grow scanned data to fit the final scan size
- * This function shrinks the scanned data it the required resolution is lower than the hardware one,
- * or grows it in case it is the opposite like when motor resolution is higher than
- * sensor's one.
- */
-static SANE_Status
-genesys_shrink_lines_1 (
-    uint8_t *src_data,
-    uint8_t *dst_data,
-    unsigned int lines,
-    unsigned int src_pixels,
-    unsigned int dst_pixels,
-    unsigned int channels)
-{
-  unsigned int dst_x, src_x, y, c, cnt;
-  unsigned int avg[3], val;
-  uint8_t *src = (uint8_t *) src_data;
-  uint8_t *dst = (uint8_t *) dst_data;
-
-  /* choose between case where me must reduce or grow the scanned data */
-  if (src_pixels > dst_pixels)
-    {
-      /* shrink data */
-      /* TODO action must be taken at bit level, no bytes */
-      src_pixels /= 8;
-      dst_pixels /= 8;
-      /*take first _byte_ */
-      for (y = 0; y < lines; y++)
-	{
-	  cnt = src_pixels / 2;
-	  src_x = 0;
-	  for (dst_x = 0; dst_x < dst_pixels; dst_x++)
-	    {
-	      while (cnt < src_pixels && src_x < src_pixels)
-		{
-		  cnt += dst_pixels;
-
-		  for (c = 0; c < channels; c++)
-		    avg[c] = *src++;
-		  src_x++;
-		}
-	      cnt -= src_pixels;
-
-	      for (c = 0; c < channels; c++)
-		*dst++ = avg[c];
-	    }
-	}
-    }
-  else
-    {
-      /* common case where y res is double x res */
-      for (y = 0; y < lines; y++)
-	{
-	  if (2 * src_pixels == dst_pixels)
-	    {
-	      /* double and interleave on line */
-	      for (c = 0; c < src_pixels/8; c++)
-		{
-		  /* first 4 bits */
-		  val = 0;
-		  val |= (*src & 0x80) >> 0;	/* X___ ____ --> X___ ____ */
-		  val |= (*src & 0x80) >> 1;	/* X___ ____ --> _X__ ____ */
-		  val |= (*src & 0x40) >> 1;	/* _X__ ____ --> __X_ ____ */
-		  val |= (*src & 0x40) >> 2;	/* _X__ ____ --> ___X ____ */
-		  val |= (*src & 0x20) >> 2;	/* __X_ ____ --> ____ X___ */
-		  val |= (*src & 0x20) >> 3;	/* __X_ ____ --> ____ _X__ */
-		  val |= (*src & 0x10) >> 3;	/* ___X ____ --> ____ __X_ */
-		  val |= (*src & 0x10) >> 4;	/* ___X ____ --> ____ ___X */
-		  *dst = val;
-		  dst++;
-
-		  /* last for bits */
-		  val = 0;
-		  val |= (*src & 0x08) << 4;	/* ____ X___ --> X___ ____ */
-		  val |= (*src & 0x08) << 3;	/* ____ X___ --> _X__ ____ */
-		  val |= (*src & 0x04) << 3;	/* ____ _X__ --> __X_ ____ */
-		  val |= (*src & 0x04) << 2;	/* ____ _X__ --> ___X ____ */
-		  val |= (*src & 0x02) << 2;	/* ____ __X_ --> ____ X___ */
-		  val |= (*src & 0x02) << 1;	/* ____ __X_ --> ____ _X__ */
-		  val |= (*src & 0x01) << 1;	/* ____ ___X --> ____ __X_ */
-		  val |= (*src & 0x01) << 0;	/* ____ ___X --> ____ ___X */
-		  *dst = val;
-		  dst++;
-		  src++;
-		}
-	    }
-	  else
-	    {
-	      /* TODO: since depth is 1, we must interpolate bit within bytes */
-	      DBG (DBG_warn, "%s: inaccurate bit expansion!\n", __func__);
-	      cnt = dst_pixels / 2;
-	      dst_x = 0;
-	      for (src_x = 0; src_x < src_pixels; src_x++)
-		{
-		  for (c = 0; c < channels; c++)
-		    avg[c] = *src++;
-		  while (cnt < dst_pixels && dst_x < dst_pixels)
-		    {
-		      cnt += src_pixels;
-		      for (c = 0; c < channels; c++)
-			*dst++ = avg[c];
-		      dst_x++;
-		    }
-		  cnt -= dst_pixels;
-		}
-	    }
-	}
-    }
-
-  return SANE_STATUS_GOOD;
-}
-
-
-/** Look in image for likely left/right/bottom paper edges, then crop image.
- * Since failing to crop isn't fatal, we always return SANE_STATUS_GOOD .
- */
-static SANE_Status
-genesys_crop(Genesys_Scanner *s)
-{
-  SANE_Status status;
-  Genesys_Device *dev = s->dev;
-  int top = 0;
-  int bottom = 0;
-  int left = 0;
-  int right = 0;
-
-  DBG (DBG_proc, "%s: start\n", __func__);
-
-  /* first find edges if any */
-  status = sanei_magic_findEdges (&s->params,
-				  dev->img_buffer,
-				  dev->settings.xres,
-				  dev->settings.yres,
-				  &top,
-                                  &bottom,
-                                  &left,
-                                  &right);
-  if (status != SANE_STATUS_GOOD)
-    {
-      DBG (DBG_info, "%s: bad or no edges, bailing\n", __func__);
-      goto cleanup;
-    }
-  DBG (DBG_io, "%s: t:%d b:%d l:%d r:%d\n", __func__, top, bottom, left,
-       right);
-
-  /* now crop the image */
-  status =
-    sanei_magic_crop (&(s->params), dev->img_buffer, top, bottom, left, right);
-  if (status)
-    {
-      DBG (DBG_warn, "%s: failed to crop\n", __func__);
-      goto cleanup;
-    }
-
-  /* update counters to new image size */
-  dev->total_bytes_to_read = s->params.bytes_per_line * s->params.lines;
-
-cleanup:
-  DBG (DBG_proc, "%s: completed\n", __func__);
-  return SANE_STATUS_GOOD;
-}
-
-/** 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.
- * @return since failure doens't prevent scanning, we always return
- * SANE_STATUS_GOOD
- */
-static SANE_Status
-genesys_deskew(Genesys_Scanner *s)
-{
-  SANE_Status status;
-  Genesys_Device *dev = s->dev;
-
-  int x = 0, y = 0, bg;
-  double slope = 0;
-
-  DBG (DBG_proc, "%s: start\n", __func__);
-
-  bg=0;
-  if(s->params.format==SANE_FRAME_GRAY && s->params.depth == 1)
-    {
-      bg=0xff;
-    }
-  status = sanei_magic_findSkew (&s->params,
-				 dev->img_buffer,
-				 dev->sensor.optical_res,
-				 dev->sensor.optical_res,
-                                 &x,
-                                 &y,
-                                 &slope);
-  if (status!=SANE_STATUS_GOOD)
-    {
-      DBG (DBG_error, "%s: bad findSkew, bailing\n", __func__);
-      return SANE_STATUS_GOOD;
-    }
-  DBG(DBG_info, "%s: slope=%f => %f\n",__func__,slope, (slope/M_PI_2)*90);
-  /* rotate image slope is in [-PI/2,PI/2]
-   * positive values rotate trigonometric direction wise */
-  status = sanei_magic_rotate (&s->params,
-			       dev->img_buffer,
-                               x,
-                               y,
-                               slope,
-                               bg);
-  if (status!=SANE_STATUS_GOOD)
-    {
-      DBG (DBG_error, "%s: rotate error: %s", __func__, sane_strstatus(status));
-    }
-
-  DBG (DBG_proc, "%s: completed\n", __func__);
-  return SANE_STATUS_GOOD;
-}
-
-/** remove lone dots
- * @return since failure doens't prevent scanning, we always return
- * SANE_STATUS_GOOD
- */
-static SANE_Status
-genesys_despeck(Genesys_Scanner *s)
-{
-  if(sanei_magic_despeck(&s->params,
-                         s->dev->img_buffer,
-                         s->val[OPT_DESPECK].w)!=SANE_STATUS_GOOD)
-  {
-    DBG (DBG_error, "%s: bad despeck, bailing\n",__func__);
-  }
-
-  return SANE_STATUS_GOOD;
-}
-
-/** Look if image needs rotation and apply it
- * */
-static SANE_Status
-genesys_derotate (Genesys_Scanner * s)
-{
-  SANE_Status status;
-  int angle = 0;
-  int resolution = s->val[OPT_RESOLUTION].w;
-
-  DBGSTART;
-  status = sanei_magic_findTurn (&s->params,
-				 s->dev->img_buffer,
-				 resolution,
-                                 resolution,
-                                 &angle);
-
-  if (status)
-    {
-      DBG (DBG_warn, "%s: failed : %d\n", __func__, status);
-      DBGCOMPLETED;
-      return SANE_STATUS_GOOD;
-    }
-
-  /* apply rotation angle found */
-  status = sanei_magic_turn (&s->params, s->dev->img_buffer, angle);
-  if (status)
-    {
-      DBG (DBG_warn, "%s: failed : %d\n", __func__, status);
-      DBGCOMPLETED;
-      return SANE_STATUS_GOOD;
-    }
-
-  /* update counters to new image size */
-  s->dev->total_bytes_to_read = s->params.bytes_per_line * s->params.lines;
-
-  DBGCOMPLETED;
-  return SANE_STATUS_GOOD;
-}
-
-/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */