path: root/debian/patches/lcms2.patch

Subject: Add support for lcms 2
Author: Nils Philippsen <nils@redhat.com>
Bug-Debian: https://bugs.debian.org/745524
Last-Update: Mon, 23 Sep 2013 16:11:31 +0200

---
 configure.in        | 22 ++++++++++++++----
 include/config.h.in |  8 ++++++-
 src/xsane-preview.c |  6 +++--
 src/xsane-save.c    | 38 ++++++++++++++++++++++++++-----
 src/xsane-viewer.c  | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 src/xsane.h         |  8 ++++++-
 6 files changed, 130 insertions(+), 17 deletions(-)

--- a/configure.in
+++ b/configure.in
@@ -130,7 +130,17 @@
 fi
 
 if test "${USE_LCMS}" = "yes"; then
-  AC_CHECK_LIB(lcms, cmsOpenProfileFromFile)
+  AC_SEARCH_LIBS(cmsOpenProfileFromFile, [lcms2 lcms])
+  if test "${ac_cv_search_cmsOpenProfileFromFile}" != "no"; then
+    AC_DEFINE(HAVE_LIBLCMS, 1, [Define if LCMS is to be used.])
+  fi
+  if test "${ac_cv_search_cmsOpenProfileFromFile}" == "-llcms2"; then
+    AC_DEFINE(HAVE_LIBLCMS2, 1, [Define if you have liblcms2.])
+  else
+    if test "${ac_cv_search_cmsOpenProfileFromFile}" == "-llcms"; then
+      AC_DEFINE(HAVE_LIBLCMS1, 1, [Define if you have liblcms.])
+    fi
+  fi
 fi
 
 dnl Checks for library functions.
@@ -294,10 +304,14 @@
   echo "* - PNG  support deactivated                                   *"
 fi
 
-if test "${ac_cv_lib_lcms_cmsOpenProfileFromFile}" = "yes"; then
-  echo "* - LCMS (color management) support activated                  *"
+if test "${ac_cv_search_cmsOpenProfileFromFile}" = "-llcms2"; then
+  echo "* - LCMS (color management) support activated (lcms2)          *"
 else
-  echo "* - LCMS (color management) support deactivated                *"
+  if test "${ac_cv_search_cmsOpenProfileFromFile}" = "-llcms"; then
+    echo "* - LCMS (color management) support activated (lcms)           *"
+  else
+    echo "* - LCMS (color management) support deactivated                *"
+  fi
 fi
 
 echo "*                                                              *"
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -290,9 +290,15 @@
 /* Define if you have libtiff.  */
 #undef HAVE_LIBTIFF
 
-/* Define if you have liblcms.  */
+/* Define if LCMS is to be used. */
 #undef HAVE_LIBLCMS
 
+/* Define if you have liblcms. */
+#undef HAVE_LIBLCMS1
+
+/* Define if you have liblcms2. */
+#undef HAVE_LIBLCMS2
+
 #ifndef HAVE_STRNCASECMP
   /* OS/2 needs this */
 # define strncasecmp(a, b, c) strnicmp(a, b, c)
--- a/src/xsane-preview.c
+++ b/src/xsane-preview.c
@@ -6346,8 +6346,8 @@
  cmsHPROFILE hOutProfile = NULL;
  cmsHPROFILE hProofProfile = NULL;
  cmsHTRANSFORM hTransform = NULL;
- DWORD input_format, output_format;
- DWORD cms_flags = 0;
+ cmsUInt32Number input_format, output_format;
+ cmsUInt32Number cms_flags = 0;
  int proof = 0;
  char *cms_proof_icm_profile = NULL;
  int linesize = 0;
@@ -6355,7 +6355,9 @@
 
   DBG(DBG_proc, "preview_do_color_correction\n");
 
+#ifdef HAVE_LIBLCMS1
   cmsErrorAction(LCMS_ERROR_SHOW);
+#endif
 
   if (preferences.cms_bpc)
   {
--- a/src/xsane-save.c
+++ b/src/xsane-save.c
@@ -832,9 +832,9 @@
  cmsHPROFILE hInProfile = NULL;
  cmsHPROFILE hOutProfile = NULL;
  cmsHTRANSFORM hTransform = NULL;
- DWORD cms_input_format;
- DWORD cms_output_format;
- DWORD cms_flags = 0;
+ cmsUInt32Number cms_input_format;
+ cmsUInt32Number cms_output_format;
+ cmsUInt32Number cms_flags = 0;
 
   if (cms_function == XSANE_CMS_FUNCTION_EMBED_SCANNER_ICM_PROFILE)
   {
@@ -843,7 +843,9 @@
 
   DBG(DBG_info, "Prepare CMS transform\n");
 
+#ifdef HAVE_LIBLCMS1
   cmsErrorAction(LCMS_ERROR_SHOW);
+#endif
 
   if (cms_bpc)
   {
@@ -890,10 +892,18 @@
     if (image_info->channels == 1) /* == 1 (grayscale) */
     {
 #if 1 /* xxx oli */
+# ifdef HAVE_LIBLCMS2
+     cmsToneCurve *Gamma = cmsBuildGamma(NULL, 2.2);
+# else
      LPGAMMATABLE Gamma = cmsBuildGamma(256, 2.2);
+# endif
 
       hOutProfile = cmsCreateGrayProfile(cmsD50_xyY(), Gamma);
+# ifdef HAVE_LIBLCMS2
+      cmsFreeToneCurve(Gamma);
+# else
       cmsFreeGamma(Gamma);
+# endif
 #endif
     }
     else
@@ -2904,7 +2914,11 @@
     return -1;
   }
 
+#ifdef HAVE_LIBLCMS2
+  n = cmsGetPostScriptCSA(NULL, hProfile, intent, 0, NULL, 0);
+#else
   n = cmsGetPostScriptCSA(hProfile, intent, NULL, 0);
+#endif
   if (n == 0)
   {
     return -2;
@@ -2916,7 +2930,11 @@
     return -3;
   }
 
+#ifdef HAVE_LIBLCMS2
+  cmsGetPostScriptCSA(NULL, hProfile, intent, 0, buffer, n);
+#else
   cmsGetPostScriptCSA(hProfile, intent, buffer, n);
+#endif
   buffer[n] = 0;
 
   fprintf(outfile, "%s", buffer);
@@ -2935,7 +2953,7 @@
  cmsHPROFILE hProfile;
  size_t n;
  char* buffer;
- DWORD flags = cmsFLAGS_NODEFAULTRESOURCEDEF;
+ cmsUInt32Number flags = cmsFLAGS_NODEFAULTRESOURCEDEF;
 
   hProfile = cmsOpenProfileFromFile(output_profile, "r");
   if (!hProfile)
@@ -2948,7 +2966,11 @@
     flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
   }
 
+#ifdef HAVE_LIBLCMS2
+  n = cmsGetPostScriptCRD(NULL, hProfile, intent, flags, NULL, 0);
+#else
   n = cmsGetPostScriptCRDEx(hProfile, intent, flags, NULL, 0);
+#endif
   if (n == 0)
   {
     return -2;
@@ -2960,7 +2982,11 @@
     return -3;
   }
 
+#ifdef HAVE_LIBLCMS2
+  cmsGetPostScriptCRD(NULL, hProfile, intent, flags, buffer, n);
+#else
   cmsGetPostScriptCRDEx(hProfile, intent, flags, buffer, n);
+#endif
   buffer[n] = 0;
 
   fprintf(outfile, "%s", buffer);
@@ -4352,7 +4378,7 @@
 {
  FILE *icm_profile;
  size_t size, embed_len;
- LPBYTE embed_buffer;
+ cmsUInt8Number *embed_buffer;
 
   DBG(DBG_proc, "xsane_jpeg_embed_scanner_icm_profile(%s)\n", icm_filename);
 
@@ -4366,7 +4392,7 @@
   size = ftell(icm_profile);
   fseek(icm_profile, 0, SEEK_SET);
 
-  embed_buffer = (LPBYTE) malloc(size + 1);
+  embed_buffer = (cmsUInt8Number *) malloc(size + 1);
   if (embed_buffer)
   {
     embed_len = fread(embed_buffer, 1, size, icm_profile);
--- a/src/xsane-viewer.c
+++ b/src/xsane-viewer.c
@@ -1795,6 +1795,9 @@
 {
  Viewer *v = (Viewer *) data;
  int val;
+#ifdef HAVE_LIBLCMS2
+ cmsUInt16Number alarm_codes[cmsMAXCHANNELS];
+#endif
 
   g_signal_handlers_block_by_func(GTK_OBJECT(v->cms_gamut_alarm_color_widget[0]), (GtkSignalFunc) xsane_viewer_set_cms_gamut_alarm_color_callback, v);
   g_signal_handlers_block_by_func(GTK_OBJECT(v->cms_gamut_alarm_color_widget[1]), (GtkSignalFunc) xsane_viewer_set_cms_gamut_alarm_color_callback, v);
@@ -1811,6 +1814,49 @@
   v->cms_gamut_alarm_color = val;
   gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(v->cms_gamut_alarm_color_widget[v->cms_gamut_alarm_color]), TRUE);
 
+#ifdef HAVE_LIBLCMS2
+  switch(v->cms_gamut_alarm_color)
+  {
+    default:
+    case 0: /* black */
+      alarm_codes[0] = (cmsUInt16Number) 0;
+      alarm_codes[1] = (cmsUInt16Number) 0;
+      alarm_codes[2] = (cmsUInt16Number) 0;
+     break;
+
+    case 1: /* gray */
+      alarm_codes[0] = (cmsUInt16Number) 128;
+      alarm_codes[1] = (cmsUInt16Number) 128;
+      alarm_codes[2] = (cmsUInt16Number) 128;
+     break;
+
+    case 2: /* white */
+      alarm_codes[0] = (cmsUInt16Number) 255;
+      alarm_codes[1] = (cmsUInt16Number) 255;
+      alarm_codes[2] = (cmsUInt16Number) 255;
+     break;
+
+    case 3: /* red */
+      alarm_codes[0] = (cmsUInt16Number) 255;
+      alarm_codes[1] = (cmsUInt16Number) 0;
+      alarm_codes[2] = (cmsUInt16Number) 0;
+     break;
+
+    case 4: /* green */
+      alarm_codes[0] = (cmsUInt16Number) 0;
+      alarm_codes[1] = (cmsUInt16Number) 255;
+      alarm_codes[2] = (cmsUInt16Number) 0;
+     break;
+
+    case 5: /* blue */
+      alarm_codes[0] = (cmsUInt16Number) 0;
+      alarm_codes[1] = (cmsUInt16Number) 0;
+      alarm_codes[2] = (cmsUInt16Number) 255;
+     break;
+  }
+
+  cmsSetAlarmCodes(alarm_codes);
+#else
   switch(v->cms_gamut_alarm_color)
   {
     default:
@@ -1838,6 +1884,7 @@
       cmsSetAlarmCodes(0, 0, 255);
      break;
   }
+#endif
 
   g_signal_handlers_unblock_by_func(GTK_OBJECT(v->cms_gamut_alarm_color_widget[0]), (GtkSignalFunc) xsane_viewer_set_cms_gamut_alarm_color_callback, v);
   g_signal_handlers_unblock_by_func(GTK_OBJECT(v->cms_gamut_alarm_color_widget[1]), (GtkSignalFunc) xsane_viewer_set_cms_gamut_alarm_color_callback, v);
@@ -2172,9 +2219,9 @@
  cmsHTRANSFORM hTransform = NULL;
  int proof = 0;
  char *cms_proof_icm_profile = NULL;
- DWORD cms_input_format;
- DWORD cms_output_format;
- DWORD cms_flags = 0;
+ cmsUInt32Number cms_input_format;
+ cmsUInt32Number cms_output_format;
+ cmsUInt32Number cms_flags = 0;
 #endif
 
   /* open imagefile */
@@ -2203,7 +2250,9 @@
 
   if ((v->enable_color_management) && (v->cms_enable))
   {
+#ifdef HAVE_LIBLCMS1
     cmsErrorAction(LCMS_ERROR_SHOW);
+#endif
 
     if (v->cms_bpc)
     {
@@ -2801,6 +2850,9 @@
  GtkWidget *scrolled_window;
  GtkWidget *zoom_option_menu, *zoom_menu, *zoom_menu_item;
  int i, selection;
+#ifdef HAVE_LIBLCMS2
+ cmsUInt16Number alarm_codes[cmsMAXCHANNELS];
+#endif
 
   DBG(DBG_proc, "viewer_new(%s)\n", filename);
 
@@ -2830,8 +2882,15 @@
   v->cms_proofing_intent = INTENT_ABSOLUTE_COLORIMETRIC;
   v->cms_gamut_check = 0;
   v->cms_gamut_alarm_color = 3; /* red */
+#ifdef HAVE_LIBLCMS2
+  alarm_codes[0] = (cmsUInt16Number) 255;
+  alarm_codes[1] = (cmsUInt16Number) 0;
+  alarm_codes[2] = (cmsUInt16Number) 0;
+  cmsSetAlarmCodes(alarm_codes);
+#else
   cmsSetAlarmCodes(255, 0, 0);
 #endif
+#endif
   if (selection_filetype)
   {
     v->selection_filetype = strdup(selection_filetype);
--- a/src/xsane.h
+++ b/src/xsane.h
@@ -70,7 +70,13 @@
 #include <gtk/gtk.h>
 
 #ifdef HAVE_LIBLCMS
-# include "lcms.h"
+# ifdef HAVE_LIBLCMS2
+#  include "lcms2.h"
+# else
+#  include "lcms.h"
+typedef BYTE cmsUInt8Number;
+typedef DWORD cmsUInt32Number;
+# endif
 #else
 # define cmsHTRANSFORM void *
 #endif