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authorNicolás Reynolds <fauno@kiwwwi.com.ar>2011-02-12 13:00:37 -0300
committerNicolás Reynolds <fauno@kiwwwi.com.ar>2011-02-12 13:00:37 -0300
commit18019242c4e527f7140f92336061562b8cfb50fb (patch)
tree010e9363778edc7d8584ca6f4bbac89952965a24 /libre/ghostscript-libre/gs_bug691759and691760.diff
parent57d1bfd28e5cc653bfcd392d2968ec1141038c5b (diff)
ghostscript-libre-9.01-1
Diffstat (limited to 'libre/ghostscript-libre/gs_bug691759and691760.diff')
-rw-r--r--libre/ghostscript-libre/gs_bug691759and691760.diff215
1 files changed, 215 insertions, 0 deletions
diff --git a/libre/ghostscript-libre/gs_bug691759and691760.diff b/libre/ghostscript-libre/gs_bug691759and691760.diff
new file mode 100644
index 000000000..ca394427a
--- /dev/null
+++ b/libre/ghostscript-libre/gs_bug691759and691760.diff
@@ -0,0 +1,215 @@
+Modified: trunk/gs/base/gdevnfwd.c
+===================================================================
+--- trunk/gs/base/gdevnfwd.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gdevnfwd.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -1117,3 +1117,29 @@
+ {
+ return 0;
+ }
++
++bool
++fwd_uses_fwd_cmap_procs(gx_device * dev)
++{
++ const gx_cm_color_map_procs *pprocs;
++
++ pprocs = dev_proc(dev, get_color_mapping_procs)(dev);
++ if (pprocs == &FwdDevice_cm_map_procs) {
++ return true;
++ }
++ return false;
++}
++
++const gx_cm_color_map_procs*
++fwd_get_target_cmap_procs(gx_device * dev)
++{
++ const gx_cm_color_map_procs *pprocs;
++ gx_device_forward * const fdev = (gx_device_forward *)dev;
++ gx_device * const tdev = fdev->target;
++
++ pprocs = dev_proc(tdev, get_color_mapping_procs(tdev));
++ while (pprocs == &FwdDevice_cm_map_procs) {
++ pprocs = fwd_get_target_cmap_procs(tdev);
++ }
++ return pprocs;
++}
+\ No newline at end of file
+
+Modified: trunk/gs/base/gdevp14.c
+===================================================================
+--- trunk/gs/base/gdevp14.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gdevp14.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -900,7 +900,11 @@
+ nos->parent_color_info_procs->num_components, 1,
+ false, false, true, tos->planestride,
+ tos->rowstride, num_rows, num_cols);
+- /* Transform the data */
++ /* Transform the data. Since the pdf14 device should be
++ using RGB, CMYK or Gray buffers, this transform
++ does not need to worry about the cmap procs of
++ the target device. Those are handled when we do
++ the pdf14 put image operation */
+ gscms_transform_color_buffer(icc_link, &input_buff_desc,
+ &output_buff_desc, tos->data,
+ new_data_buf);
+
+Modified: trunk/gs/base/gxcmap.c
+===================================================================
+--- trunk/gs/base/gxcmap.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gxcmap.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -31,6 +31,7 @@
+ #include "gsicc_manage.h"
+ #include "gdevdevn.h"
+ #include "gsicc_cache.h"
++#include "gscms.h"
+
+ /* Structure descriptor */
+ public_st_device_color();
+@@ -1744,3 +1745,37 @@
+
+ }
+ }
++
++bool
++gx_device_uses_std_cmap_procs(gx_device * dev)
++{
++ const gx_cm_color_map_procs *pprocs;
++
++ if (dev->device_icc_profile != NULL) {
++ pprocs = dev_proc(dev, get_color_mapping_procs)(dev);
++ /* Check if they are forwarding procs */
++ if (fwd_uses_fwd_cmap_procs(dev)) {
++ pprocs = fwd_get_target_cmap_procs(dev);
++ }
++ switch(dev->device_icc_profile->data_cs) {
++ case gsGRAY:
++ if (pprocs == &DeviceGray_procs) {
++ return true;
++ }
++ break;
++ case gsRGB:
++ if (pprocs == &DeviceRGB_procs) {
++ return true;
++ }
++ break;
++ case gsCMYK:
++ if (pprocs == &DeviceCMYK_procs) {
++ return true;
++ }
++ break;
++ default:
++ break;
++ }
++ }
++ return false;
++}
+
+Modified: trunk/gs/base/gxcmap.h
+===================================================================
+--- trunk/gs/base/gxcmap.h 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gxcmap.h 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -284,5 +284,11 @@
+ * [0,1]
+ */
+ frac gx_unit_frac(float fvalue);
++/* Determine if the device is using the standard color mapping procs. In
++ such a case, we can make use of the faster icc color conversions for
++ images */
++bool gx_device_uses_std_cmap_procs(gx_device * dev);
++bool fwd_uses_fwd_cmap_procs(gx_device * dev);
++const gx_cm_color_map_procs* fwd_get_target_cmap_procs(gx_device * dev);
+
+ #endif /* gxcmap_INCLUDED */
+
+Modified: trunk/gs/base/gxi12bit.c
+===================================================================
+--- trunk/gs/base/gxi12bit.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gxi12bit.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -113,6 +113,8 @@
+ irender_proc_t
+ gs_image_class_2_fracs(gx_image_enum * penum)
+ {
++ bool std_cmap_procs;
++
+ if (penum->bps > 8) {
+ if (penum->use_mask_color) {
+ /* Convert color mask values to fracs. */
+@@ -122,9 +124,14 @@
+ penum->mask_color.values[i] =
+ bits2frac(penum->mask_color.values[i], 12);
+ }
++ /* If the device has some unique color mapping procs due to its color space,
++ then we will need to use those and go through pixel by pixel instead
++ of blasting through buffers. This is true for example with many of
++ the color spaces for CUPs */
++ std_cmap_procs = gx_device_uses_std_cmap_procs(penum->dev);
+ if ( (gs_color_space_get_index(penum->pcs) == gs_color_space_index_DeviceN &&
+ penum->pcs->cmm_icc_profile_data == NULL) || penum->use_mask_color ||
+- penum->bps != 16 ||
++ penum->bps != 16 || !std_cmap_procs ||
+ gs_color_space_get_index(penum->pcs) == gs_color_space_index_DevicePixel) {
+ /* DevicePixel color space used in mask from 3x type. Basically
+ a simple color space that just is scaled to the device bit
+
+Modified: trunk/gs/base/gxicolor.c
+===================================================================
+--- trunk/gs/base/gxicolor.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gxicolor.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -97,6 +97,8 @@
+ irender_proc_t
+ gs_image_class_4_color(gx_image_enum * penum)
+ {
++ bool std_cmap_procs;
++
+ if (penum->use_mask_color) {
+ /*
+ * Scale the mask colors to match the scaling of each sample to
+@@ -128,8 +130,14 @@
+ penum->mask_color.mask = 0;
+ penum->mask_color.test = ~0;
+ }
++ /* If the device has some unique color mapping procs due to its color space,
++ then we will need to use those and go through pixel by pixel instead
++ of blasting through buffers. This is true for example with many of
++ the color spaces for CUPs */
++ std_cmap_procs = gx_device_uses_std_cmap_procs(penum->dev);
+ if ( (gs_color_space_get_index(penum->pcs) == gs_color_space_index_DeviceN &&
+- penum->pcs->cmm_icc_profile_data == NULL) || penum->use_mask_color ) {
++ penum->pcs->cmm_icc_profile_data == NULL) || penum->use_mask_color ||
++ !std_cmap_procs) {
+ return &image_render_color_DeviceN;
+ } else {
+ /* Set up the link now */
+
+Modified: trunk/gs/base/gxiscale.c
+===================================================================
+--- trunk/gs/base/gxiscale.c 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/gxiscale.c 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -104,6 +104,13 @@
+ != penum->dev->color_info.num_components) {
+ use_icc = false;
+ }
++ /* If the device has some unique color mapping procs due to its color space,
++ then we will need to use those and go through pixel by pixel instead
++ of blasting through buffers. This is true for example with many of
++ the color spaces for CUPs */
++ if(!gx_device_uses_std_cmap_procs(penum->dev)) {
++ use_icc = false;
++ }
+ /*
+ * USE_CONSERVATIVE_INTERPOLATION_RULES is normally NOT defined since
+ * the MITCHELL digital filter seems OK as long as we are going out to
+
+Modified: trunk/gs/base/lib.mak
+===================================================================
+--- trunk/gs/base/lib.mak 2011-01-06 23:48:14 UTC (rev 12004)
++++ trunk/gs/base/lib.mak 2011-01-07 04:49:42 UTC (rev 12005)
+@@ -602,7 +602,7 @@
+ $(gxalpha_h) $(gxcspace_h) $(gxfarith_h) $(gxfrac_h)\
+ $(gxdcconv_h) $(gxdevice_h) $(gxcmap_h) $(gsnamecl_h) $(gxlum_h)\
+ $(gzstate_h) $(gxdither_h) $(gxcdevn_h) $(string__h)\
+- $(gsicc_manage_h) $(gdevdevn_h) $(gsicc_cache_h)
++ $(gsicc_manage_h) $(gdevdevn_h) $(gsicc_cache_h) $(gscms_h)
+ $(GLCC) $(GLO_)gxcmap.$(OBJ) $(C_) $(GLSRC)gxcmap.c
+
+ $(GLOBJ)gxcpath.$(OBJ) : $(GLSRC)gxcpath.c $(GXERR)\
+