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authorphajdan.jr@chromium.org <phajdan.jr@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-09-29 18:28:52 +0000
committerphajdan.jr@chromium.org <phajdan.jr@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-09-29 18:28:52 +0000
commit7396ca286f6332422bcdc080c2a78e9b71840db5 (patch)
tree73dc46aa666598a2ac14376d7fe3d3ba641194e8 /third_party/qcms
parentf202429bdd316c214b193e1807d9c1161b9fd575 (diff)
downloadchromium_src-7396ca286f6332422bcdc080c2a78e9b71840db5.zip
chromium_src-7396ca286f6332422bcdc080c2a78e9b71840db5.tar.gz
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Remove unused qcms library.
BUG=98460 Review URL: http://codereview.chromium.org/8079005 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@103316 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'third_party/qcms')
-rw-r--r--third_party/qcms/LICENSE55
-rw-r--r--third_party/qcms/Makefile.in70
-rw-r--r--third_party/qcms/README.chromium7
-rw-r--r--third_party/qcms/iccread.c822
-rw-r--r--third_party/qcms/qcms.gyp34
-rw-r--r--third_party/qcms/qcms.h153
-rw-r--r--third_party/qcms/qcmsint.h172
-rw-r--r--third_party/qcms/qcmstypes.h84
-rw-r--r--third_party/qcms/transform-sse1.c253
-rw-r--r--third_party/qcms/transform-sse2.c243
-rw-r--r--third_party/qcms/transform.c1372
11 files changed, 0 insertions, 3265 deletions
diff --git a/third_party/qcms/LICENSE b/third_party/qcms/LICENSE
deleted file mode 100644
index 51de07c..0000000
--- a/third_party/qcms/LICENSE
+++ /dev/null
@@ -1,55 +0,0 @@
-This license applies to certain files in the directory third_party/qcms/.
-
-Copyright (C) 2009 Mozilla Corporation
-Copyright (C) 1998-2007 Marti Maria
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without restriction,
-including without limitation the rights to use, copy, modify, merge,
-publish, distribute, sublicense, and/or sell copies of the Software,
-and to permit persons to whom the Software is furnished to do so, subject
-to the following conditions:
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-
-
-This license applies to the ICC_H block in third_party/qcms/qcms.h.
-
-Copyright (c) 1994-1996 SunSoft, Inc.
-
- Rights Reserved
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without restrict-
-ion, including without limitation the rights to use, copy, modify,
-merge, publish distribute, sublicense, and/or sell copies of the
-Software, and to permit persons to whom the Software is furnished
-to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
-INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT
-COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of SunSoft, Inc.
-shall not be used in advertising or otherwise to promote the
-sale, use or other dealings in this Software without written
-authorization from SunSoft Inc.
diff --git a/third_party/qcms/Makefile.in b/third_party/qcms/Makefile.in
deleted file mode 100644
index 4dfd839..0000000
--- a/third_party/qcms/Makefile.in
+++ /dev/null
@@ -1,70 +0,0 @@
-DEPTH = ../..
-topsrcdir = @top_srcdir@
-srcdir = @srcdir@
-VPATH = @srcdir@
-
-include $(DEPTH)/config/autoconf.mk
-
-MODULE = qcms
-LIBRARY_NAME = mozqcms
-LIBXUL_LIBRARY = 1
-GRE_MODULE = 1
-DIST_INSTALL = 1
-
-EXPORTS = qcms.h qcmstypes.h
-
-CSRCS = iccread.c transform.c
-
-ifeq (86,$(findstring 86,$(OS_TEST)))
-CSRCS += transform-sse2.c
-ifdef _MSC_VER
-ifneq ($(OS_ARCH)_$(OS_TEST),WINNT_x86_64)
- CSRCS += transform-sse1.c
-endif
-else
- CSRCS += transform-sse1.c
-ifdef GNU_CC
- SSE1_FLAGS=-msse
- SSE2_FLAGS=-msse2
-else
-ifeq ($(SOLARIS_SUNPRO_CC),1)
-ifneq (64,$(findstring 64,$(OS_TEST)))
- SSE1_FLAGS=-xarch=sse
- SSE2_FLAGS=-xarch=sse2
-else
-# Sun Studio doesn't work correctly for x86 intristics
-# with -m64 and without optimization.
- SSE1_FLAGS= -xO4
- SSE2_FLAGS= -xO4
-endif
-else
- SSE1_FLAGS=
- SSE2_FLAGS=
-endif
-endif
-endif
-endif
-
-FORCE_STATIC_LIB = 1
-# This library is used by other shared libs
-FORCE_USE_PIC = 1
-
-include $(topsrcdir)/config/rules.mk
-
-CFLAGS += -DMOZ_QCMS
-
-# Disable spammy "missing initializer" GCC warning
-ifdef GNU_CC
-CFLAGS += -Wno-missing-field-initializers
-endif # GNU_CC
-
-# special rules for transform-sse*.c to get the right cflags. (taken from pixman/src/Makefile.in)
-transform-sse1.$(OBJ_SUFFIX): transform-sse1.c $(GLOBAL_DEPS)
- $(REPORT_BUILD)
- @$(MAKE_DEPS_AUTO_CC)
- $(ELOG) $(CC) $(OUTOPTION)$@ -c $(COMPILE_CFLAGS) $(SSE1_FLAGS) $(_VPATH_SRCS)
-
-transform-sse2.$(OBJ_SUFFIX): transform-sse2.c $(GLOBAL_DEPS)
- $(REPORT_BUILD)
- @$(MAKE_DEPS_AUTO_CC)
- $(ELOG) $(CC) $(OUTOPTION)$@ -c $(COMPILE_CFLAGS) $(SSE2_FLAGS) $(_VPATH_SRCS)
diff --git a/third_party/qcms/README.chromium b/third_party/qcms/README.chromium
deleted file mode 100644
index a1b19a9..0000000
--- a/third_party/qcms/README.chromium
+++ /dev/null
@@ -1,7 +0,0 @@
-Name: qcms
-URL: http://mxr.mozilla.org/mozilla-central/source/gfx/qcms/
-Version: unknown
-
-Contain support for apply an ICC color profile to an image. The code is
-originally based on tinycms, by re-written by Mozilla for better security and
-performance. This copy is a source-drop from Mozilla on November 11, 2010.
diff --git a/third_party/qcms/iccread.c b/third_party/qcms/iccread.c
deleted file mode 100644
index dc8b365..0000000
--- a/third_party/qcms/iccread.c
+++ /dev/null
@@ -1,822 +0,0 @@
-// qcms
-// Copyright (C) 2009 Mozilla Foundation
-// Copyright (C) 1998-2007 Marti Maria
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the Software
-// is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
-// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include <math.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include "qcmsint.h"
-
-typedef uint32_t be32;
-typedef uint16_t be16;
-
-#if 0
-not used yet
-/* __builtin_bswap isn't available in older gccs
- * so open code it for now */
-static be32 cpu_to_be32(int32_t v)
-{
-#ifdef IS_LITTLE_ENDIAN
- return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | ((v & 0xff000000) >> 24);
- //return __builtin_bswap32(v);
- return v;
-#endif
-}
-#endif
-
-static uint32_t be32_to_cpu(be32 v)
-{
-#ifdef IS_LITTLE_ENDIAN
- return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | ((v & 0xff000000) >> 24);
- //return __builtin_bswap32(v);
-#else
- return v;
-#endif
-}
-
-static uint16_t be16_to_cpu(be16 v)
-{
-#ifdef IS_LITTLE_ENDIAN
- return ((v & 0xff) << 8) | ((v & 0xff00) >> 8);
-#else
- return v;
-#endif
-}
-
-/* a wrapper around the memory that we are going to parse
- * into a qcms_profile */
-struct mem_source
-{
- const unsigned char *buf;
- size_t size;
- qcms_bool valid;
- const char *invalid_reason;
-};
-
-static void invalid_source(struct mem_source *mem, const char *reason)
-{
- mem->valid = false;
- mem->invalid_reason = reason;
-}
-
-static uint32_t read_u32(struct mem_source *mem, size_t offset)
-{
- /* Subtract from mem->size instead of the more intuitive adding to offset.
- * This avoids overflowing offset. The subtraction is safe because
- * mem->size is guaranteed to be > 4 */
- if (offset > mem->size - 4) {
- invalid_source(mem, "Invalid offset");
- return 0;
- } else {
- be32 k;
- memcpy(&k, mem->buf + offset, sizeof(k));
- return be32_to_cpu(k);
- }
-}
-
-static uint16_t read_u16(struct mem_source *mem, size_t offset)
-{
- if (offset > mem->size - 2) {
- invalid_source(mem, "Invalid offset");
- return 0;
- } else {
- be16 k;
- memcpy(&k, mem->buf + offset, sizeof(k));
- return be16_to_cpu(k);
- }
-}
-
-static uint8_t read_u8(struct mem_source *mem, size_t offset)
-{
- if (offset > mem->size - 1) {
- invalid_source(mem, "Invalid offset");
- return 0;
- } else {
- return *(uint8_t*)(mem->buf + offset);
- }
-}
-
-static s15Fixed16Number read_s15Fixed16Number(struct mem_source *mem, size_t offset)
-{
- return read_u32(mem, offset);
-}
-
-#if 0
-static uInt16Number read_uInt16Number(struct mem_source *mem, size_t offset)
-{
- return read_u16(mem, offset);
-}
-#endif
-
-#define BAD_VALUE_PROFILE NULL
-#define INVALID_PROFILE NULL
-#define NO_MEM_PROFILE NULL
-
-/* An arbitrary 4MB limit on profile size */
-#define MAX_PROFILE_SIZE 1024*1024*4
-#define MAX_TAG_COUNT 1024
-
-static void check_CMM_type_signature(struct mem_source *src)
-{
- //uint32_t CMM_type_signature = read_u32(src, 4);
- //TODO: do the check?
-
-}
-
-static void check_profile_version(struct mem_source *src)
-{
- uint8_t major_revision = read_u8(src, 8 + 0);
- uint8_t minor_revision = read_u8(src, 8 + 1);
- uint8_t reserved1 = read_u8(src, 8 + 2);
- uint8_t reserved2 = read_u8(src, 8 + 3);
- if (major_revision != 0x4) {
- if (major_revision > 0x2)
- invalid_source(src, "Unsupported major revision");
- if (minor_revision > 0x40)
- invalid_source(src, "Unsupported minor revision");
- }
- if (reserved1 != 0 || reserved2 != 0)
- invalid_source(src, "Invalid reserved bytes");
-}
-
-#define INPUT_DEVICE_PROFILE 0x73636e72 // 'scnr'
-#define DISPLAY_DEVICE_PROFILE 0x6d6e7472 // 'mntr'
-#define OUTPUT_DEVICE_PROFILE 0x70727472 // 'prtr'
-#define DEVICE_LINK_PROFILE 0x6c696e6b // 'link'
-#define COLOR_SPACE_PROFILE 0x73706163 // 'spac'
-#define ABSTRACT_PROFILE 0x61627374 // 'abst'
-#define NAMED_COLOR_PROFILE 0x6e6d636c // 'nmcl'
-
-static void read_class_signature(qcms_profile *profile, struct mem_source *mem)
-{
- profile->class = read_u32(mem, 12);
- switch (profile->class) {
- case DISPLAY_DEVICE_PROFILE:
- case INPUT_DEVICE_PROFILE:
- break;
- case OUTPUT_DEVICE_PROFILE:
- default:
- invalid_source(mem, "Invalid Profile/Device Class signature");
- }
-}
-
-static void read_color_space(qcms_profile *profile, struct mem_source *mem)
-{
- profile->color_space = read_u32(mem, 16);
- switch (profile->color_space) {
- case RGB_SIGNATURE:
- case GRAY_SIGNATURE:
- break;
- default:
- invalid_source(mem, "Unsupported colorspace");
- }
-}
-
-struct tag
-{
- uint32_t signature;
- uint32_t offset;
- uint32_t size;
-};
-
-struct tag_index {
- uint32_t count;
- struct tag *tags;
-};
-
-static struct tag_index read_tag_table(qcms_profile *profile, struct mem_source *mem)
-{
- struct tag_index index = {0, NULL};
- unsigned int i;
-
- index.count = read_u32(mem, 128);
- if (index.count > MAX_TAG_COUNT) {
- invalid_source(mem, "max number of tags exceeded");
- return index;
- }
-
- index.tags = malloc(sizeof(struct tag)*index.count);
- if (index.tags) {
- for (i = 0; i < index.count; i++) {
- index.tags[i].signature = read_u32(mem, 128 + 4 + 4*i*3);
- index.tags[i].offset = read_u32(mem, 128 + 4 + 4*i*3 + 4);
- index.tags[i].size = read_u32(mem, 128 + 4 + 4*i*3 + 8);
- }
- }
-
- return index;
-}
-
-// Checks a profile for obvious inconsistencies and returns
-// true if the profile looks bogus and should probably be
-// ignored.
-qcms_bool qcms_profile_is_bogus(qcms_profile *profile)
-{
- float sum[3], target[3], tolerance[3];
- float rX, rY, rZ, gX, gY, gZ, bX, bY, bZ;
- bool negative;
- unsigned i;
-
- // We currently only check the bogosity of RGB profiles
- if (profile->color_space != RGB_SIGNATURE)
- return false;
-
- rX = s15Fixed16Number_to_float(profile->redColorant.X);
- rY = s15Fixed16Number_to_float(profile->redColorant.Y);
- rZ = s15Fixed16Number_to_float(profile->redColorant.Z);
-
- gX = s15Fixed16Number_to_float(profile->greenColorant.X);
- gY = s15Fixed16Number_to_float(profile->greenColorant.Y);
- gZ = s15Fixed16Number_to_float(profile->greenColorant.Z);
-
- bX = s15Fixed16Number_to_float(profile->blueColorant.X);
- bY = s15Fixed16Number_to_float(profile->blueColorant.Y);
- bZ = s15Fixed16Number_to_float(profile->blueColorant.Z);
-
- // Check if any of the XYZ values are negative (see mozilla bug 498245)
- // CIEXYZ tristimulus values cannot be negative according to the spec.
- negative =
- (rX < 0) || (rY < 0) || (rZ < 0) ||
- (gX < 0) || (gY < 0) || (gZ < 0) ||
- (bX < 0) || (bY < 0) || (bZ < 0);
-
- if (negative)
- return true;
-
-
- // Sum the values; they should add up to something close to white
- sum[0] = rX + gX + bX;
- sum[1] = rY + gY + bY;
- sum[2] = rZ + gZ + bZ;
-
- // Build our target vector (see mozilla bug 460629)
- target[0] = 0.96420;
- target[1] = 1.00000;
- target[2] = 0.82491;
-
- // Our tolerance vector - Recommended by Chris Murphy based on
- // conversion from the LAB space criterion of no more than 3 in any one
- // channel. This is similar to, but slightly more tolerant than Adobe's
- // criterion.
- tolerance[0] = 0.02;
- tolerance[1] = 0.02;
- tolerance[2] = 0.04;
-
- // Compare with our tolerance
- for (i = 0; i < 3; ++i) {
- if (!(((sum[i] - tolerance[i]) <= target[i]) &&
- ((sum[i] + tolerance[i]) >= target[i])))
- return true;
- }
-
- // All Good
- return false;
-}
-
-#define TAG_bXYZ 0x6258595a
-#define TAG_gXYZ 0x6758595a
-#define TAG_rXYZ 0x7258595a
-#define TAG_rTRC 0x72545243
-#define TAG_bTRC 0x62545243
-#define TAG_gTRC 0x67545243
-#define TAG_kTRC 0x6b545243
-#define TAG_A2B0 0x41324230
-
-static struct tag *find_tag(struct tag_index index, uint32_t tag_id)
-{
- unsigned int i;
- struct tag *tag = NULL;
- for (i = 0; i < index.count; i++) {
- if (index.tags[i].signature == tag_id) {
- return &index.tags[i];
- }
- }
- return tag;
-}
-
-#define XYZ_TYPE 0x58595a20 // 'XYZ '
-#define CURVE_TYPE 0x63757276 // 'curv'
-#define LUT16_TYPE 0x6d667432 // 'mft2'
-#define LUT8_TYPE 0x6d667431 // 'mft1'
-
-static struct XYZNumber read_tag_XYZType(struct mem_source *src, struct tag_index index, uint32_t tag_id)
-{
- struct XYZNumber num = {0, 0, 0};
- struct tag *tag = find_tag(index, tag_id);
- if (tag) {
- uint32_t offset = tag->offset;
-
- uint32_t type = read_u32(src, offset);
- if (type != XYZ_TYPE)
- invalid_source(src, "unexpected type, expected XYZ");
- num.X = read_s15Fixed16Number(src, offset+8);
- num.Y = read_s15Fixed16Number(src, offset+12);
- num.Z = read_s15Fixed16Number(src, offset+16);
- } else {
- invalid_source(src, "missing xyztag");
- }
- return num;
-}
-
-static struct curveType *read_tag_curveType(struct mem_source *src, struct tag_index index, uint32_t tag_id)
-{
- struct tag *tag = find_tag(index, tag_id);
- struct curveType *curve = NULL;
- if (tag) {
- uint32_t offset = tag->offset;
- uint32_t type = read_u32(src, offset);
- uint32_t count = read_u32(src, offset+8);
- unsigned int i;
-
- if (type != CURVE_TYPE) {
- invalid_source(src, "unexpected type, expected CURV");
- return NULL;
- }
-
-#define MAX_CURVE_ENTRIES 40000 //arbitrary
- if (count > MAX_CURVE_ENTRIES) {
- invalid_source(src, "curve size too large");
- return NULL;
- }
- curve = malloc(sizeof(struct curveType) + sizeof(uInt16Number)*count);
- if (!curve)
- return NULL;
-
- curve->count = count;
- for (i=0; i<count; i++) {
- curve->data[i] = read_u16(src, offset + 12 + i *2);
- }
- } else {
- invalid_source(src, "missing curvetag");
- }
-
- return curve;
-}
-
-/* This function's not done yet */
-static struct lutType *read_tag_lutType(struct mem_source *src, struct tag_index index, uint32_t tag_id)
-{
- struct tag *tag = find_tag(index, tag_id);
- uint32_t offset = tag->offset;
- uint32_t type = read_u32(src, offset);
- uint16_t num_input_table_entries;
- uint16_t num_output_table_entries;
- uint8_t in_chan, grid_points, out_chan;
- uint32_t clut_size;
- struct lutType *lut;
- int i;
-
- num_input_table_entries = read_u16(src, offset + 48);
- num_output_table_entries = read_u16(src, offset + 50);
-
- in_chan = read_u8(src, offset + 8);
- out_chan = read_u8(src, offset + 9);
- grid_points = read_u8(src, offset + 10);
-
- if (!src->valid)
- return NULL;
-
- clut_size = in_chan * grid_points * out_chan;
-#define MAX_CLUT_SIZE 10000 // arbitrary
- if (clut_size > MAX_CLUT_SIZE) {
- return NULL;
- }
-
- if (type != LUT16_TYPE && type != LUT8_TYPE)
- return NULL;
-
- lut = malloc(sizeof(struct lutType) + (clut_size + num_input_table_entries + num_output_table_entries)*sizeof(uint8_t));
- if (!lut)
- return NULL;
- lut->num_input_channels = read_u8(src, offset + 8);
- lut->num_output_channels = read_u8(src, offset + 9);
- lut->num_clut_grid_points = read_u8(src, offset + 10);
- lut->e00 = read_s15Fixed16Number(src, offset+12);
- lut->e01 = read_s15Fixed16Number(src, offset+16);
- lut->e02 = read_s15Fixed16Number(src, offset+20);
- lut->e10 = read_s15Fixed16Number(src, offset+24);
- lut->e11 = read_s15Fixed16Number(src, offset+28);
- lut->e12 = read_s15Fixed16Number(src, offset+32);
- lut->e20 = read_s15Fixed16Number(src, offset+36);
- lut->e21 = read_s15Fixed16Number(src, offset+40);
- lut->e22 = read_s15Fixed16Number(src, offset+44);
-
- //TODO: finish up
- return lut;
-}
-
-static void read_rendering_intent(qcms_profile *profile, struct mem_source *src)
-{
- profile->rendering_intent = read_u32(src, 64);
- switch (profile->rendering_intent) {
- case QCMS_INTENT_PERCEPTUAL:
- case QCMS_INTENT_SATURATION:
- case QCMS_INTENT_RELATIVE_COLORIMETRIC:
- case QCMS_INTENT_ABSOLUTE_COLORIMETRIC:
- break;
- default:
- invalid_source(src, "unknown rendering intent");
- }
-}
-
-qcms_profile *qcms_profile_create(void)
-{
- return calloc(sizeof(qcms_profile), 1);
-}
-
-/* build sRGB gamma table */
-/* based on cmsBuildParametricGamma() */
-static uint16_t *build_sRGB_gamma_table(int num_entries)
-{
- int i;
- /* taken from lcms: Build_sRGBGamma() */
- double gamma = 2.4;
- double a = 1./1.055;
- double b = 0.055/1.055;
- double c = 1./12.92;
- double d = 0.04045;
-
- uint16_t *table = malloc(sizeof(uint16_t) * num_entries);
- if (!table)
- return NULL;
-
- for (i=0; i<num_entries; i++) {
- double x = (double)i / (num_entries-1);
- double y, output;
- // IEC 61966-2.1 (sRGB)
- // Y = (aX + b)^Gamma | X >= d
- // Y = cX | X < d
- if (x >= d) {
- double e = (a*x + b);
- if (e > 0)
- y = pow(e, gamma);
- else
- y = 0;
- } else {
- y = c*x;
- }
-
- // Saturate -- this could likely move to a separate function
- output = y * 65535. + .5;
- if (output > 65535.)
- output = 65535;
- if (output < 0)
- output = 0;
- table[i] = (uint16_t)floor(output);
- }
- return table;
-}
-
-static struct curveType *curve_from_table(uint16_t *table, int num_entries)
-{
- struct curveType *curve;
- int i;
- curve = malloc(sizeof(struct curveType) + sizeof(uInt16Number)*num_entries);
- if (!curve)
- return NULL;
- curve->count = num_entries;
- for (i = 0; i < num_entries; i++) {
- curve->data[i] = table[i];
- }
- return curve;
-}
-
-static uint16_t float_to_u8Fixed8Number(float a)
-{
- if (a > (255. + 255./256))
- return 0xffff;
- else if (a < 0.)
- return 0;
- else
- return floor(a*256. + .5);
-}
-
-static struct curveType *curve_from_gamma(float gamma)
-{
- struct curveType *curve;
- int num_entries = 1;
- curve = malloc(sizeof(struct curveType) + sizeof(uInt16Number)*num_entries);
- if (!curve)
- return NULL;
- curve->count = num_entries;
- curve->data[0] = float_to_u8Fixed8Number(gamma);
- return curve;
-}
-
-static void qcms_profile_fini(qcms_profile *profile)
-{
- free(profile->redTRC);
- free(profile->blueTRC);
- free(profile->greenTRC);
- free(profile->grayTRC);
- free(profile);
-}
-
-//XXX: it would be nice if we had a way of ensuring
-// everything in a profile was initialized regardless of how it was created
-
-//XXX: should this also be taking a black_point?
-/* similar to CGColorSpaceCreateCalibratedRGB */
-qcms_profile* qcms_profile_create_rgb_with_gamma(
- qcms_CIE_xyY white_point,
- qcms_CIE_xyYTRIPLE primaries,
- float gamma)
-{
- qcms_profile* profile = qcms_profile_create();
- if (!profile)
- return NO_MEM_PROFILE;
-
- //XXX: should store the whitepoint
- if (!set_rgb_colorants(profile, white_point, primaries)) {
- qcms_profile_fini(profile);
- return INVALID_PROFILE;
- }
-
- profile->redTRC = curve_from_gamma(gamma);
- profile->blueTRC = curve_from_gamma(gamma);
- profile->greenTRC = curve_from_gamma(gamma);
-
- if (!profile->redTRC || !profile->blueTRC || !profile->greenTRC) {
- qcms_profile_fini(profile);
- return NO_MEM_PROFILE;
- }
- profile->class = DISPLAY_DEVICE_PROFILE;
- profile->rendering_intent = QCMS_INTENT_PERCEPTUAL;
- profile->color_space = RGB_SIGNATURE;
- return profile;
-}
-
-qcms_profile* qcms_profile_create_rgb_with_table(
- qcms_CIE_xyY white_point,
- qcms_CIE_xyYTRIPLE primaries,
- uint16_t *table, int num_entries)
-{
- qcms_profile* profile = qcms_profile_create();
- if (!profile)
- return NO_MEM_PROFILE;
-
- //XXX: should store the whitepoint
- if (!set_rgb_colorants(profile, white_point, primaries)) {
- qcms_profile_fini(profile);
- return INVALID_PROFILE;
- }
-
- profile->redTRC = curve_from_table(table, num_entries);
- profile->blueTRC = curve_from_table(table, num_entries);
- profile->greenTRC = curve_from_table(table, num_entries);
-
- if (!profile->redTRC || !profile->blueTRC || !profile->greenTRC) {
- qcms_profile_fini(profile);
- return NO_MEM_PROFILE;
- }
- profile->class = DISPLAY_DEVICE_PROFILE;
- profile->rendering_intent = QCMS_INTENT_PERCEPTUAL;
- profile->color_space = RGB_SIGNATURE;
- return profile;
-}
-
-/* from lcms: cmsWhitePointFromTemp */
-/* tempK must be >= 4000. and <= 25000.
- * similar to argyll: icx_DTEMP2XYZ() */
-static qcms_CIE_xyY white_point_from_temp(int temp_K)
-{
- qcms_CIE_xyY white_point;
- double x, y;
- double T, T2, T3;
- // double M1, M2;
-
- // No optimization provided.
- T = temp_K;
- T2 = T*T; // Square
- T3 = T2*T; // Cube
-
- // For correlated color temperature (T) between 4000K and 7000K:
- if (T >= 4000. && T <= 7000.) {
- x = -4.6070*(1E9/T3) + 2.9678*(1E6/T2) + 0.09911*(1E3/T) + 0.244063;
- } else {
- // or for correlated color temperature (T) between 7000K and 25000K:
- if (T > 7000.0 && T <= 25000.0) {
- x = -2.0064*(1E9/T3) + 1.9018*(1E6/T2) + 0.24748*(1E3/T) + 0.237040;
- } else {
- assert(0 && "invalid temp");
- }
- }
-
- // Obtain y(x)
-
- y = -3.000*(x*x) + 2.870*x - 0.275;
-
- // wave factors (not used, but here for futures extensions)
-
- // M1 = (-1.3515 - 1.7703*x + 5.9114 *y)/(0.0241 + 0.2562*x - 0.7341*y);
- // M2 = (0.0300 - 31.4424*x + 30.0717*y)/(0.0241 + 0.2562*x - 0.7341*y);
-
- // Fill white_point struct
- white_point.x = x;
- white_point.y = y;
- white_point.Y = 1.0;
-
- return white_point;
-}
-
-qcms_profile* qcms_profile_sRGB(void)
-{
- qcms_profile *profile;
- uint16_t *table;
-
- qcms_CIE_xyYTRIPLE Rec709Primaries = {
- {0.6400, 0.3300, 1.0},
- {0.3000, 0.6000, 1.0},
- {0.1500, 0.0600, 1.0}
- };
- qcms_CIE_xyY D65;
-
- D65 = white_point_from_temp(6504);
-
- table = build_sRGB_gamma_table(1024);
-
- if (!table)
- return NO_MEM_PROFILE;
-
- profile = qcms_profile_create_rgb_with_table(D65, Rec709Primaries, table, 1024);
- free(table);
- return profile;
-}
-
-
-/* qcms_profile_from_memory does not hold a reference to the memory passed in */
-qcms_profile* qcms_profile_from_memory(const void *mem, size_t size)
-{
- uint32_t length;
- struct mem_source source;
- struct mem_source *src = &source;
- struct tag_index index;
- qcms_profile *profile;
-
- source.buf = mem;
- source.size = size;
- source.valid = true;
-
- length = read_u32(src, 0);
- if (length <= size) {
- // shrink the area that we can read if appropriate
- source.size = length;
- } else {
- return INVALID_PROFILE;
- }
-
- /* ensure that the profile size is sane so it's easier to reason about */
- if (source.size <= 64 || source.size >= MAX_PROFILE_SIZE)
- return INVALID_PROFILE;
-
- profile = qcms_profile_create();
- if (!profile)
- return NO_MEM_PROFILE;
-
- check_CMM_type_signature(src);
- check_profile_version(src);
- read_class_signature(profile, src);
- read_rendering_intent(profile, src);
- read_color_space(profile, src);
- //TODO read rest of profile stuff
-
- if (!src->valid)
- goto invalid_profile;
-
- index = read_tag_table(profile, src);
- if (!src->valid || !index.tags)
- goto invalid_tag_table;
-
- if (profile->class == DISPLAY_DEVICE_PROFILE || profile->class == INPUT_DEVICE_PROFILE) {
- if (profile->color_space == RGB_SIGNATURE) {
-
- profile->redColorant = read_tag_XYZType(src, index, TAG_rXYZ);
- profile->blueColorant = read_tag_XYZType(src, index, TAG_bXYZ);
- profile->greenColorant = read_tag_XYZType(src, index, TAG_gXYZ);
-
- if (!src->valid)
- goto invalid_tag_table;
-
- profile->redTRC = read_tag_curveType(src, index, TAG_rTRC);
- profile->blueTRC = read_tag_curveType(src, index, TAG_bTRC);
- profile->greenTRC = read_tag_curveType(src, index, TAG_gTRC);
-
- if (!profile->redTRC || !profile->blueTRC || !profile->greenTRC)
- goto invalid_tag_table;
-
- } else if (profile->color_space == GRAY_SIGNATURE) {
-
- profile->grayTRC = read_tag_curveType(src, index, TAG_kTRC);
- if (!profile->grayTRC)
- goto invalid_tag_table;
-
- } else {
- goto invalid_tag_table;
- }
- } else if (0 && profile->class == OUTPUT_DEVICE_PROFILE) {
- profile->A2B0 = read_tag_lutType(src, index, TAG_A2B0);
- } else {
- goto invalid_tag_table;
- }
-
- if (!src->valid)
- goto invalid_tag_table;
-
- free(index.tags);
-
- return profile;
-
-invalid_tag_table:
- free(index.tags);
-invalid_profile:
- qcms_profile_fini(profile);
- return INVALID_PROFILE;
-}
-
-qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile)
-{
- return profile->rendering_intent;
-}
-
-icColorSpaceSignature
-qcms_profile_get_color_space(qcms_profile *profile)
-{
- return profile->color_space;
-}
-
-void qcms_profile_release(qcms_profile *profile)
-{
- if (profile->output_table_r)
- precache_release(profile->output_table_r);
- if (profile->output_table_g)
- precache_release(profile->output_table_g);
- if (profile->output_table_b)
- precache_release(profile->output_table_b);
-
- qcms_profile_fini(profile);
-}
-
-#include <stdio.h>
-qcms_profile* qcms_profile_from_file(FILE *file)
-{
- uint32_t length, remaining_length;
- qcms_profile *profile;
- size_t read_length;
- be32 length_be;
- void *data;
-
- fread(&length_be, sizeof(length), 1, file);
- length = be32_to_cpu(length_be);
- if (length > MAX_PROFILE_SIZE)
- return BAD_VALUE_PROFILE;
-
- /* allocate room for the entire profile */
- data = malloc(length);
- if (!data)
- return NO_MEM_PROFILE;
-
- /* copy in length to the front so that the buffer will contain the entire profile */
- *((be32*)data) = length_be;
- remaining_length = length - sizeof(length_be);
-
- /* read the rest profile */
- read_length = fread((unsigned char*)data + sizeof(length_be), 1, remaining_length, file);
- if (read_length != remaining_length) {
- free(data);
- return INVALID_PROFILE;
- }
-
- profile = qcms_profile_from_memory(data, length);
- free(data);
- return profile;
-}
-
-qcms_profile* qcms_profile_from_path(const char *path)
-{
- qcms_profile *profile = NULL;
- FILE *file = fopen(path, "rb");
- if (file) {
- profile = qcms_profile_from_file(file);
- fclose(file);
- }
- return profile;
-}
diff --git a/third_party/qcms/qcms.gyp b/third_party/qcms/qcms.gyp
deleted file mode 100644
index 93fc3ad..0000000
--- a/third_party/qcms/qcms.gyp
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
- 'targets': [
- {
- 'target_name': 'qcms',
- 'type': 'static_library',
- 'sources': [
- 'qcms.h',
- 'qcmsint.h',
- 'qcmstypes.h',
- 'iccread.c',
- 'transform-sse1.c',
- 'transform-sse2.c',
- 'transform.c',
- ],
- 'direct_dependent_settings': {
- 'include_dirs': [
- '.',
- ],
- },
- 'conditions': [
- ['os_posix == 1 and OS != "mac" and (branding == "Chrome" or disable_sse2 == 1)', {
- 'sources/': [
- ['exclude', 'transform-sse1.c'],
- ['exclude', 'transform-sse2.c'],
- ],
- },],
- ],
- },
- ],
-}
diff --git a/third_party/qcms/qcms.h b/third_party/qcms/qcms.h
deleted file mode 100644
index d45e89c..0000000
--- a/third_party/qcms/qcms.h
+++ /dev/null
@@ -1,153 +0,0 @@
-#ifndef QCMS_H
-#define QCMS_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* if we've already got an ICC_H header we can ignore the following */
-#ifndef ICC_H
-/* icc34 defines */
-
-/*****************************************************************
- Copyright (c) 1994-1996 SunSoft, Inc.
-
- Rights Reserved
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without restrict-
-ion, including without limitation the rights to use, copy, modify,
-merge, publish distribute, sublicense, and/or sell copies of the
-Software, and to permit persons to whom the Software is furnished
-to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
-INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT
-COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of SunSoft, Inc.
-shall not be used in advertising or otherwise to promote the
-sale, use or other dealings in this Software without written
-authorization from SunSoft Inc.
-******************************************************************/
-
-/*
- * Color Space Signatures
- * Note that only icSigXYZData and icSigLabData are valid
- * Profile Connection Spaces (PCSs)
- */
-typedef enum {
- icSigXYZData = 0x58595A20L, /* 'XYZ ' */
- icSigLabData = 0x4C616220L, /* 'Lab ' */
- icSigLuvData = 0x4C757620L, /* 'Luv ' */
- icSigYCbCrData = 0x59436272L, /* 'YCbr' */
- icSigYxyData = 0x59787920L, /* 'Yxy ' */
- icSigRgbData = 0x52474220L, /* 'RGB ' */
- icSigGrayData = 0x47524159L, /* 'GRAY' */
- icSigHsvData = 0x48535620L, /* 'HSV ' */
- icSigHlsData = 0x484C5320L, /* 'HLS ' */
- icSigCmykData = 0x434D594BL, /* 'CMYK' */
- icSigCmyData = 0x434D5920L, /* 'CMY ' */
- icSig2colorData = 0x32434C52L, /* '2CLR' */
- icSig3colorData = 0x33434C52L, /* '3CLR' */
- icSig4colorData = 0x34434C52L, /* '4CLR' */
- icSig5colorData = 0x35434C52L, /* '5CLR' */
- icSig6colorData = 0x36434C52L, /* '6CLR' */
- icSig7colorData = 0x37434C52L, /* '7CLR' */
- icSig8colorData = 0x38434C52L, /* '8CLR' */
- icSig9colorData = 0x39434C52L, /* '9CLR' */
- icSig10colorData = 0x41434C52L, /* 'ACLR' */
- icSig11colorData = 0x42434C52L, /* 'BCLR' */
- icSig12colorData = 0x43434C52L, /* 'CCLR' */
- icSig13colorData = 0x44434C52L, /* 'DCLR' */
- icSig14colorData = 0x45434C52L, /* 'ECLR' */
- icSig15colorData = 0x46434C52L, /* 'FCLR' */
- icMaxEnumData = 0xFFFFFFFFL
-} icColorSpaceSignature;
-#endif
-
-#include <stdio.h>
-
-typedef int qcms_bool;
-
-struct _qcms_transform;
-typedef struct _qcms_transform qcms_transform;
-
-struct _qcms_profile;
-typedef struct _qcms_profile qcms_profile;
-
-/* these values match the Rendering Intent values from the ICC spec */
-typedef enum {
- QCMS_INTENT_DEFAULT = 0,
- QCMS_INTENT_PERCEPTUAL = 0,
- QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
- QCMS_INTENT_SATURATION = 2,
- QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3
-} qcms_intent;
-
-//XXX: I don't really like the _DATA_ prefix
-typedef enum {
- QCMS_DATA_RGB_8,
- QCMS_DATA_RGBA_8,
- QCMS_DATA_GRAY_8,
- QCMS_DATA_GRAYA_8
-} qcms_data_type;
-
-/* the names for the following two types are sort of ugly */
-typedef struct
-{
- double x;
- double y;
- double Y;
-} qcms_CIE_xyY;
-
-typedef struct
-{
- qcms_CIE_xyY red;
- qcms_CIE_xyY green;
- qcms_CIE_xyY blue;
-} qcms_CIE_xyYTRIPLE;
-
-qcms_profile* qcms_profile_create_rgb_with_gamma(
- qcms_CIE_xyY white_point,
- qcms_CIE_xyYTRIPLE primaries,
- float gamma);
-
-qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
-
-qcms_profile* qcms_profile_from_file(FILE *file);
-qcms_profile* qcms_profile_from_path(const char *path);
-qcms_profile* qcms_profile_sRGB(void);
-void qcms_profile_release(qcms_profile *profile);
-
-qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
-qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
-icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
-
-void qcms_profile_precache_output_transform(qcms_profile *profile);
-
-qcms_transform* qcms_transform_create(
- qcms_profile *in, qcms_data_type in_type,
- qcms_profile* out, qcms_data_type out_type,
- qcms_intent intent);
-
-void qcms_transform_release(qcms_transform *);
-
-void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
-
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/third_party/qcms/qcmsint.h b/third_party/qcms/qcmsint.h
deleted file mode 100644
index 217b651..0000000
--- a/third_party/qcms/qcmsint.h
+++ /dev/null
@@ -1,172 +0,0 @@
-#include "qcms.h"
-#include "qcmstypes.h"
-
-/* used as a lookup table for the output transformation.
- * we refcount them so we only need to have one around per output
- * profile, instead of duplicating them per transform */
-struct precache_output
-{
- int ref_count;
- /* We previously used a count of 65536 here but that seems like more
- * precision than we actually need. By reducing the size we can
- * improve startup performance and reduce memory usage. ColorSync on
- * 10.5 uses 4097 which is perhaps because they use a fixed point
- * representation where 1. is represented by 0x1000. */
-#define PRECACHE_OUTPUT_SIZE 8192
-#define PRECACHE_OUTPUT_MAX (PRECACHE_OUTPUT_SIZE-1)
- uint8_t data[PRECACHE_OUTPUT_SIZE];
-};
-
-#ifdef _MSC_VER
-#define ALIGN __declspec(align(16))
-#else
-#define ALIGN __attribute__(( aligned (16) ))
-#endif
-
-struct _qcms_transform {
- float ALIGN matrix[3][4];
- float *input_gamma_table_r;
- float *input_gamma_table_g;
- float *input_gamma_table_b;
-
- float *input_gamma_table_gray;
-
- float out_gamma_r;
- float out_gamma_g;
- float out_gamma_b;
-
- float out_gamma_gray;
-
- uint16_t *output_gamma_lut_r;
- uint16_t *output_gamma_lut_g;
- uint16_t *output_gamma_lut_b;
-
- uint16_t *output_gamma_lut_gray;
-
- size_t output_gamma_lut_r_length;
- size_t output_gamma_lut_g_length;
- size_t output_gamma_lut_b_length;
-
- size_t output_gamma_lut_gray_length;
-
- struct precache_output *output_table_r;
- struct precache_output *output_table_g;
- struct precache_output *output_table_b;
-
- void (*transform_fn)(struct _qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length);
-};
-
-typedef int32_t s15Fixed16Number;
-typedef uint16_t uInt16Number;
-
-struct XYZNumber {
- s15Fixed16Number X;
- s15Fixed16Number Y;
- s15Fixed16Number Z;
-};
-
-struct curveType {
- uint32_t count;
-/* Using the C99 flexible array member syntax with IBM compiler */
-#if defined (__IBMC__) || defined (__IBMCPP__)
- uInt16Number data[];
-#else
- uInt16Number data[0];
-#endif
-};
-
-struct lutType {
- uint8_t num_input_channels;
- uint8_t num_output_channels;
- uint8_t num_clut_grid_points;
-
- s15Fixed16Number e00;
- s15Fixed16Number e01;
- s15Fixed16Number e02;
- s15Fixed16Number e10;
- s15Fixed16Number e11;
- s15Fixed16Number e12;
- s15Fixed16Number e20;
- s15Fixed16Number e21;
- s15Fixed16Number e22;
-
- uint16_t num_input_table_entries;
- uint16_t num_output_table_entries;
-
- uint16_t *input_table;
- uint16_t *clut_table;
- uint16_t *output_table;
-};
-#if 0
-/* this is from an intial idea of having the struct correspond to the data in
- * the file. I decided that it wasn't a good idea.
- */
-struct tag_value {
- uint32_t type;
- union {
- struct {
- uint32_t reserved;
- struct {
- s15Fixed16Number X;
- s15Fixed16Number Y;
- s15Fixed16Number Z;
- } XYZNumber;
- } XYZType;
- };
-}; // I guess we need to pack this?
-#endif
-
-#define RGB_SIGNATURE 0x52474220
-#define GRAY_SIGNATURE 0x47524159
-
-struct _qcms_profile {
- uint32_t class;
- uint32_t color_space;
- qcms_intent rendering_intent;
- struct XYZNumber redColorant;
- struct XYZNumber blueColorant;
- struct XYZNumber greenColorant;
- struct curveType *redTRC;
- struct curveType *blueTRC;
- struct curveType *greenTRC;
- struct curveType *grayTRC;
- struct lutType *A2B0;
-
- struct precache_output *output_table_r;
- struct precache_output *output_table_g;
- struct precache_output *output_table_b;
-};
-
-#ifdef _MSC_VER
-#define inline _inline
-#endif
-
-static inline float s15Fixed16Number_to_float(s15Fixed16Number a)
-{
- return ((int32_t)a)/65536.;
-}
-
-static inline s15Fixed16Number double_to_s15Fixed16Number(double v)
-{
- return (int32_t)(v*65536);
-}
-
-void precache_release(struct precache_output *p);
-qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries);
-
-void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length);
-void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length);
-void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length);
-void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length);
diff --git a/third_party/qcms/qcmstypes.h b/third_party/qcms/qcmstypes.h
deleted file mode 100644
index 2d98c0c..0000000
--- a/third_party/qcms/qcmstypes.h
+++ /dev/null
@@ -1,84 +0,0 @@
-#ifndef QCMS_TYPES_H
-#define QCMS_TYPES_H
-
-#ifdef MOZ_QCMS
-
-#include "prtypes.h"
-
-/* prtypes.h defines IS_LITTLE_ENDIAN and IS_BIG ENDIAN */
-
-#if defined (__SVR4) && defined (__sun)
-/* int_types.h gets included somehow, so avoid redefining the types differently */
-#include <sys/int_types.h>
-#elif defined (_AIX)
-#include <sys/types.h>
-#elif !defined(ANDROID)
-typedef PRInt8 int8_t;
-typedef PRUint8 uint8_t;
-typedef PRInt16 int16_t;
-typedef PRUint16 uint16_t;
-typedef PRInt32 int32_t;
-typedef PRUint32 uint32_t;
-typedef PRInt64 int64_t;
-typedef PRUint64 uint64_t;
-
-#ifdef __OS2__
-/* OS/2's stdlib typdefs uintptr_t. So we'll just include that so we don't collide */
-#include <stdlib.h>
-#elif !defined(__intptr_t_defined) && !defined(_UINTPTR_T_DEFINED)
-typedef PRUptrdiff uintptr_t;
-#endif
-#endif
-
-#else // MOZ_QCMS
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define IS_LITTLE_ENDIAN
-#elif BYTE_ORDER == BIG_ENDIAN
-#define IS_BIG_ENDIAN
-#endif
-
-/* all of the platforms that we use _MSC_VER on are little endian
- * so this is sufficient for now */
-#ifdef _MSC_VER
-#define IS_LITTLE_ENDIAN
-#endif
-
-#ifdef __OS2__
-#define IS_LITTLE_ENDIAN
-#endif
-
-#if !defined(IS_LITTLE_ENDIAN) && !defined(IS_BIG_ENDIAN)
-#error Unknown endianess
-#endif
-
-#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__)
-# include <inttypes.h>
-#elif defined (_MSC_VER)
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
-#ifdef _WIN64
-typedef unsigned __int64 uintptr_t;
-#else
-typedef unsigned long uintptr_t;
-#endif
-
-#elif defined (_AIX)
-# include <sys/inttypes.h>
-#else
-# include <stdint.h>
-#endif
-
-#endif
-
-typedef qcms_bool bool;
-#define true 1
-#define false 0
-
-#endif
diff --git a/third_party/qcms/transform-sse1.c b/third_party/qcms/transform-sse1.c
deleted file mode 100644
index 00707ca..0000000
--- a/third_party/qcms/transform-sse1.c
+++ /dev/null
@@ -1,253 +0,0 @@
-#include <xmmintrin.h>
-
-#include "qcmsint.h"
-
-/* pre-shuffled: just load these into XMM reg instead of load-scalar/shufps sequence */
-#define FLOATSCALE (float)(PRECACHE_OUTPUT_SIZE)
-#define CLAMPMAXVAL ( ((float) (PRECACHE_OUTPUT_SIZE - 1)) / PRECACHE_OUTPUT_SIZE )
-static const ALIGN float floatScaleX4[4] =
- { FLOATSCALE, FLOATSCALE, FLOATSCALE, FLOATSCALE};
-static const ALIGN float clampMaxValueX4[4] =
- { CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL};
-
-void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- char input_back[32];
- /* Ensure we have a buffer that's 16 byte aligned regardless of the original
- * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
- * because they don't work on stack variables. gcc 4.4 does do the right thing
- * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
- float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
- /* share input and output locations to save having to keep the
- * locations in separate registers */
- uint32_t const * output = (uint32_t*)input;
-
- /* deref *transform now to avoid it in loop */
- const float *igtbl_r = transform->input_gamma_table_r;
- const float *igtbl_g = transform->input_gamma_table_g;
- const float *igtbl_b = transform->input_gamma_table_b;
-
- /* deref *transform now to avoid it in loop */
- const uint8_t *otdata_r = &transform->output_table_r->data[0];
- const uint8_t *otdata_g = &transform->output_table_g->data[0];
- const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
- /* input matrix values never change */
- const __m128 mat0 = _mm_load_ps(mat[0]);
- const __m128 mat1 = _mm_load_ps(mat[1]);
- const __m128 mat2 = _mm_load_ps(mat[2]);
-
- /* these values don't change, either */
- const __m128 max = _mm_load_ps(clampMaxValueX4);
- const __m128 min = _mm_setzero_ps();
- const __m128 scale = _mm_load_ps(floatScaleX4);
-
- /* working variables */
- __m128 vec_r, vec_g, vec_b, result;
-
- /* CYA */
- if (!length)
- return;
-
- /* one pixel is handled outside of the loop */
- length--;
-
- /* setup for transforming 1st pixel */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 3;
-
- /* transform all but final pixel */
-
- for (i=0; i<length; i++)
- {
- /* position values from gamma tables */
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- /* gamma * matrix */
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- /* crunch, crunch, crunch */
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- /* store calc'd output tables indices */
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result) ;
-
- /* load for next loop while store completes */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 3;
-
- /* use calc'd indices to output RGB values */
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
- dest += 3;
- }
-
- /* handle final (maybe only) pixel */
-
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result);
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-
- _mm_empty();
-}
-
-void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- char input_back[32];
- /* Ensure we have a buffer that's 16 byte aligned regardless of the original
- * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
- * because they don't work on stack variables. gcc 4.4 does do the right thing
- * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
- float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
- /* share input and output locations to save having to keep the
- * locations in separate registers */
- uint32_t const * output = (uint32_t*)input;
-
- /* deref *transform now to avoid it in loop */
- const float *igtbl_r = transform->input_gamma_table_r;
- const float *igtbl_g = transform->input_gamma_table_g;
- const float *igtbl_b = transform->input_gamma_table_b;
-
- /* deref *transform now to avoid it in loop */
- const uint8_t *otdata_r = &transform->output_table_r->data[0];
- const uint8_t *otdata_g = &transform->output_table_g->data[0];
- const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
- /* input matrix values never change */
- const __m128 mat0 = _mm_load_ps(mat[0]);
- const __m128 mat1 = _mm_load_ps(mat[1]);
- const __m128 mat2 = _mm_load_ps(mat[2]);
-
- /* these values don't change, either */
- const __m128 max = _mm_load_ps(clampMaxValueX4);
- const __m128 min = _mm_setzero_ps();
- const __m128 scale = _mm_load_ps(floatScaleX4);
-
- /* working variables */
- __m128 vec_r, vec_g, vec_b, result;
- unsigned char alpha;
-
- /* CYA */
- if (!length)
- return;
-
- /* one pixel is handled outside of the loop */
- length--;
-
- /* setup for transforming 1st pixel */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- alpha = src[3];
- src += 4;
-
- /* transform all but final pixel */
-
- for (i=0; i<length; i++)
- {
- /* position values from gamma tables */
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- /* gamma * matrix */
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- /* store alpha for this pixel; load alpha for next */
- dest[3] = alpha;
- alpha = src[3];
-
- /* crunch, crunch, crunch */
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- /* store calc'd output tables indices */
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result);
-
- /* load gamma values for next loop while store completes */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 4;
-
- /* use calc'd indices to output RGB values */
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
- dest += 4;
- }
-
- /* handle final (maybe only) pixel */
-
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- dest[3] = alpha;
-
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result);
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-
- _mm_empty();
-}
diff --git a/third_party/qcms/transform-sse2.c b/third_party/qcms/transform-sse2.c
deleted file mode 100644
index f6e1674..0000000
--- a/third_party/qcms/transform-sse2.c
+++ /dev/null
@@ -1,243 +0,0 @@
-#include <emmintrin.h>
-
-#include "qcmsint.h"
-
-/* pre-shuffled: just load these into XMM reg instead of load-scalar/shufps sequence */
-#define FLOATSCALE (float)(PRECACHE_OUTPUT_SIZE)
-#define CLAMPMAXVAL ( ((float) (PRECACHE_OUTPUT_SIZE - 1)) / PRECACHE_OUTPUT_SIZE )
-static const ALIGN float floatScaleX4[4] =
- { FLOATSCALE, FLOATSCALE, FLOATSCALE, FLOATSCALE};
-static const ALIGN float clampMaxValueX4[4] =
- { CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL};
-
-void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- char input_back[32];
- /* Ensure we have a buffer that's 16 byte aligned regardless of the original
- * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
- * because they don't work on stack variables. gcc 4.4 does do the right thing
- * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
- float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
- /* share input and output locations to save having to keep the
- * locations in separate registers */
- uint32_t const * output = (uint32_t*)input;
-
- /* deref *transform now to avoid it in loop */
- const float *igtbl_r = transform->input_gamma_table_r;
- const float *igtbl_g = transform->input_gamma_table_g;
- const float *igtbl_b = transform->input_gamma_table_b;
-
- /* deref *transform now to avoid it in loop */
- const uint8_t *otdata_r = &transform->output_table_r->data[0];
- const uint8_t *otdata_g = &transform->output_table_g->data[0];
- const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
- /* input matrix values never change */
- const __m128 mat0 = _mm_load_ps(mat[0]);
- const __m128 mat1 = _mm_load_ps(mat[1]);
- const __m128 mat2 = _mm_load_ps(mat[2]);
-
- /* these values don't change, either */
- const __m128 max = _mm_load_ps(clampMaxValueX4);
- const __m128 min = _mm_setzero_ps();
- const __m128 scale = _mm_load_ps(floatScaleX4);
-
- /* working variables */
- __m128 vec_r, vec_g, vec_b, result;
-
- /* CYA */
- if (!length)
- return;
-
- /* one pixel is handled outside of the loop */
- length--;
-
- /* setup for transforming 1st pixel */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 3;
-
- /* transform all but final pixel */
-
- for (i=0; i<length; i++)
- {
- /* position values from gamma tables */
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- /* gamma * matrix */
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- /* crunch, crunch, crunch */
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- /* store calc'd output tables indices */
- _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
- /* load for next loop while store completes */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 3;
-
- /* use calc'd indices to output RGB values */
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
- dest += 3;
- }
-
- /* handle final (maybe only) pixel */
-
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-}
-
-void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform,
- unsigned char *src,
- unsigned char *dest,
- size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- char input_back[32];
- /* Ensure we have a buffer that's 16 byte aligned regardless of the original
- * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
- * because they don't work on stack variables. gcc 4.4 does do the right thing
- * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
- float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
- /* share input and output locations to save having to keep the
- * locations in separate registers */
- uint32_t const * output = (uint32_t*)input;
-
- /* deref *transform now to avoid it in loop */
- const float *igtbl_r = transform->input_gamma_table_r;
- const float *igtbl_g = transform->input_gamma_table_g;
- const float *igtbl_b = transform->input_gamma_table_b;
-
- /* deref *transform now to avoid it in loop */
- const uint8_t *otdata_r = &transform->output_table_r->data[0];
- const uint8_t *otdata_g = &transform->output_table_g->data[0];
- const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
- /* input matrix values never change */
- const __m128 mat0 = _mm_load_ps(mat[0]);
- const __m128 mat1 = _mm_load_ps(mat[1]);
- const __m128 mat2 = _mm_load_ps(mat[2]);
-
- /* these values don't change, either */
- const __m128 max = _mm_load_ps(clampMaxValueX4);
- const __m128 min = _mm_setzero_ps();
- const __m128 scale = _mm_load_ps(floatScaleX4);
-
- /* working variables */
- __m128 vec_r, vec_g, vec_b, result;
- unsigned char alpha;
-
- /* CYA */
- if (!length)
- return;
-
- /* one pixel is handled outside of the loop */
- length--;
-
- /* setup for transforming 1st pixel */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- alpha = src[3];
- src += 4;
-
- /* transform all but final pixel */
-
- for (i=0; i<length; i++)
- {
- /* position values from gamma tables */
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- /* gamma * matrix */
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- /* store alpha for this pixel; load alpha for next */
- dest[3] = alpha;
- alpha = src[3];
-
- /* crunch, crunch, crunch */
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- /* store calc'd output tables indices */
- _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
- /* load gamma values for next loop while store completes */
- vec_r = _mm_load_ss(&igtbl_r[src[0]]);
- vec_g = _mm_load_ss(&igtbl_g[src[1]]);
- vec_b = _mm_load_ss(&igtbl_b[src[2]]);
- src += 4;
-
- /* use calc'd indices to output RGB values */
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
- dest += 4;
- }
-
- /* handle final (maybe only) pixel */
-
- vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
- vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
- vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
- vec_r = _mm_mul_ps(vec_r, mat0);
- vec_g = _mm_mul_ps(vec_g, mat1);
- vec_b = _mm_mul_ps(vec_b, mat2);
-
- dest[3] = alpha;
-
- vec_r = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
- vec_r = _mm_max_ps(min, vec_r);
- vec_r = _mm_min_ps(max, vec_r);
- result = _mm_mul_ps(vec_r, scale);
-
- _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-}
-
-
diff --git a/third_party/qcms/transform.c b/third_party/qcms/transform.c
deleted file mode 100644
index 0e7da10..0000000
--- a/third_party/qcms/transform.c
+++ /dev/null
@@ -1,1372 +0,0 @@
-// qcms
-// Copyright (C) 2009 Mozilla Corporation
-// Copyright (C) 1998-2007 Marti Maria
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the Software
-// is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
-// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include <stdlib.h>
-#include <math.h>
-#include <assert.h>
-#include "qcmsint.h"
-
-/* for MSVC, GCC, Intel, and Sun compilers */
-#if defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64)
-#define X86
-#endif /* _M_IX86 || __i386__ || __i386 || _M_AMD64 || __x86_64__ || __x86_64 */
-
-//XXX: could use a bettername
-typedef uint16_t uint16_fract_t;
-
-/* value must be a value between 0 and 1 */
-//XXX: is the above a good restriction to have?
-float lut_interp_linear(double value, uint16_t *table, int length)
-{
- int upper, lower;
- value = value * (length - 1); // scale to length of the array
- upper = ceil(value);
- lower = floor(value);
- //XXX: can we be more performant here?
- value = table[upper]*(1. - (upper - value)) + table[lower]*(upper - value);
- /* scale the value */
- return value * (1./65535.);
-}
-
-/* same as above but takes and returns a uint16_t value representing a range from 0..1 */
-uint16_t lut_interp_linear16(uint16_t input_value, uint16_t *table, int length)
-{
- /* Start scaling input_value to the length of the array: 65535*(length-1).
- * We'll divide out the 65535 next */
- uint32_t value = (input_value * (length - 1));
- uint32_t upper = (value + 65534) / 65535; /* equivalent to ceil(value/65535) */
- uint32_t lower = value / 65535; /* equivalent to floor(value/65535) */
- /* interp is the distance from upper to value scaled to 0..65535 */
- uint32_t interp = value % 65535;
-
- value = (table[upper]*(interp) + table[lower]*(65535 - interp))/65535; // 0..65535*65535
-
- return value;
-}
-
-/* same as above but takes an input_value from 0..PRECACHE_OUTPUT_MAX
- * and returns a uint8_t value representing a range from 0..1 */
-static
-uint8_t lut_interp_linear_precache_output(uint32_t input_value, uint16_t *table, int length)
-{
- /* Start scaling input_value to the length of the array: PRECACHE_OUTPUT_MAX*(length-1).
- * We'll divide out the PRECACHE_OUTPUT_MAX next */
- uint32_t value = (input_value * (length - 1));
-
- /* equivalent to ceil(value/PRECACHE_OUTPUT_MAX) */
- uint32_t upper = (value + PRECACHE_OUTPUT_MAX-1) / PRECACHE_OUTPUT_MAX;
- /* equivalent to floor(value/PRECACHE_OUTPUT_MAX) */
- uint32_t lower = value / PRECACHE_OUTPUT_MAX;
- /* interp is the distance from upper to value scaled to 0..PRECACHE_OUTPUT_MAX */
- uint32_t interp = value % PRECACHE_OUTPUT_MAX;
-
- /* the table values range from 0..65535 */
- value = (table[upper]*(interp) + table[lower]*(PRECACHE_OUTPUT_MAX - interp)); // 0..(65535*PRECACHE_OUTPUT_MAX)
-
- /* round and scale */
- value += (PRECACHE_OUTPUT_MAX*65535/255)/2;
- value /= (PRECACHE_OUTPUT_MAX*65535/255); // scale to 0..255
- return value;
-}
-
-#if 0
-/* if we use a different representation i.e. one that goes from 0 to 0x1000 we can be more efficient
- * because we can avoid the divisions and use a shifting instead */
-/* same as above but takes and returns a uint16_t value representing a range from 0..1 */
-uint16_t lut_interp_linear16(uint16_t input_value, uint16_t *table, int length)
-{
- uint32_t value = (input_value * (length - 1));
- uint32_t upper = (value + 4095) / 4096; /* equivalent to ceil(value/4096) */
- uint32_t lower = value / 4096; /* equivalent to floor(value/4096) */
- uint32_t interp = value % 4096;
-
- value = (table[upper]*(interp) + table[lower]*(4096 - interp))/4096; // 0..4096*4096
-
- return value;
-}
-#endif
-
-void compute_curve_gamma_table_type1(float gamma_table[256], double gamma)
-{
- unsigned int i;
- for (i = 0; i < 256; i++) {
- gamma_table[i] = pow(i/255., gamma);
- }
-}
-
-void compute_curve_gamma_table_type2(float gamma_table[256], uint16_t *table, int length)
-{
- unsigned int i;
- for (i = 0; i < 256; i++) {
- gamma_table[i] = lut_interp_linear(i/255., table, length);
- }
-}
-
-void compute_curve_gamma_table_type0(float gamma_table[256])
-{
- unsigned int i;
- for (i = 0; i < 256; i++) {
- gamma_table[i] = i/255.;
- }
-}
-
-unsigned char clamp_u8(float v)
-{
- if (v > 255.)
- return 255;
- else if (v < 0)
- return 0;
- else
- return floor(v+.5);
-}
-
-struct vector {
- float v[3];
-};
-
-struct matrix {
- float m[3][3];
- bool invalid;
-};
-
-struct vector matrix_eval(struct matrix mat, struct vector v)
-{
- struct vector result;
- result.v[0] = mat.m[0][0]*v.v[0] + mat.m[0][1]*v.v[1] + mat.m[0][2]*v.v[2];
- result.v[1] = mat.m[1][0]*v.v[0] + mat.m[1][1]*v.v[1] + mat.m[1][2]*v.v[2];
- result.v[2] = mat.m[2][0]*v.v[0] + mat.m[2][1]*v.v[1] + mat.m[2][2]*v.v[2];
- return result;
-}
-
-//XXX: should probably pass by reference and we could
-//probably reuse this computation in matrix_invert
-float matrix_det(struct matrix mat)
-{
- float det;
- det = mat.m[0][0]*mat.m[1][1]*mat.m[2][2] +
- mat.m[0][1]*mat.m[1][2]*mat.m[2][0] +
- mat.m[0][2]*mat.m[1][0]*mat.m[2][1] -
- mat.m[0][0]*mat.m[1][2]*mat.m[2][1] -
- mat.m[0][1]*mat.m[1][0]*mat.m[2][2] -
- mat.m[0][2]*mat.m[1][1]*mat.m[2][0];
- return det;
-}
-
-/* from pixman and cairo and Mathematics for Game Programmers */
-/* lcms uses gauss-jordan elimination with partial pivoting which is
- * less efficient and not as numerically stable. See Mathematics for
- * Game Programmers. */
-struct matrix matrix_invert(struct matrix mat)
-{
- struct matrix dest_mat;
- int i,j;
- static int a[3] = { 2, 2, 1 };
- static int b[3] = { 1, 0, 0 };
-
- /* inv (A) = 1/det (A) * adj (A) */
- float det = matrix_det(mat);
-
- if (det == 0) {
- dest_mat.invalid = true;
- } else {
- dest_mat.invalid = false;
- }
-
- det = 1/det;
-
- for (j = 0; j < 3; j++) {
- for (i = 0; i < 3; i++) {
- double p;
- int ai = a[i];
- int aj = a[j];
- int bi = b[i];
- int bj = b[j];
-
- p = mat.m[ai][aj] * mat.m[bi][bj] -
- mat.m[ai][bj] * mat.m[bi][aj];
- if (((i + j) & 1) != 0)
- p = -p;
-
- dest_mat.m[j][i] = det * p;
- }
- }
- return dest_mat;
-}
-
-struct matrix matrix_identity(void)
-{
- struct matrix i;
- i.m[0][0] = 1;
- i.m[0][1] = 0;
- i.m[0][2] = 0;
- i.m[1][0] = 0;
- i.m[1][1] = 1;
- i.m[1][2] = 0;
- i.m[2][0] = 0;
- i.m[2][1] = 0;
- i.m[2][2] = 1;
- i.invalid = false;
- return i;
-}
-
-static struct matrix matrix_invalid(void)
-{
- struct matrix inv = matrix_identity();
- inv.invalid = true;
- return inv;
-}
-
-
-/* from pixman */
-/* MAT3per... */
-struct matrix matrix_multiply(struct matrix a, struct matrix b)
-{
- struct matrix result;
- int dx, dy;
- int o;
- for (dy = 0; dy < 3; dy++) {
- for (dx = 0; dx < 3; dx++) {
- double v = 0;
- for (o = 0; o < 3; o++) {
- v += a.m[dy][o] * b.m[o][dx];
- }
- result.m[dy][dx] = v;
- }
- }
- result.invalid = a.invalid || b.invalid;
- return result;
-}
-
-float u8Fixed8Number_to_float(uint16_t x)
-{
- // 0x0000 = 0.
- // 0x0100 = 1.
- // 0xffff = 255 + 255/256
- return x/256.;
-}
-
-float *build_input_gamma_table(struct curveType *TRC)
-{
- float *gamma_table = malloc(sizeof(float)*256);
- if (gamma_table) {
- if (TRC->count == 0) {
- compute_curve_gamma_table_type0(gamma_table);
- } else if (TRC->count == 1) {
- compute_curve_gamma_table_type1(gamma_table, u8Fixed8Number_to_float(TRC->data[0]));
- } else {
- compute_curve_gamma_table_type2(gamma_table, TRC->data, TRC->count);
- }
- }
- return gamma_table;
-}
-
-struct matrix build_colorant_matrix(qcms_profile *p)
-{
- struct matrix result;
- result.m[0][0] = s15Fixed16Number_to_float(p->redColorant.X);
- result.m[0][1] = s15Fixed16Number_to_float(p->greenColorant.X);
- result.m[0][2] = s15Fixed16Number_to_float(p->blueColorant.X);
- result.m[1][0] = s15Fixed16Number_to_float(p->redColorant.Y);
- result.m[1][1] = s15Fixed16Number_to_float(p->greenColorant.Y);
- result.m[1][2] = s15Fixed16Number_to_float(p->blueColorant.Y);
- result.m[2][0] = s15Fixed16Number_to_float(p->redColorant.Z);
- result.m[2][1] = s15Fixed16Number_to_float(p->greenColorant.Z);
- result.m[2][2] = s15Fixed16Number_to_float(p->blueColorant.Z);
- result.invalid = false;
- return result;
-}
-
-/* The following code is copied nearly directly from lcms.
- * I think it could be much better. For example, Argyll seems to have better code in
- * icmTable_lookup_bwd and icmTable_setup_bwd. However, for now this is a quick way
- * to a working solution and allows for easy comparing with lcms. */
-uint16_fract_t lut_inverse_interp16(uint16_t Value, uint16_t LutTable[], int length)
-{
- int l = 1;
- int r = 0x10000;
- int x = 0, res; // 'int' Give spacing for negative values
- int NumZeroes, NumPoles;
- int cell0, cell1;
- double val2;
- double y0, y1, x0, x1;
- double a, b, f;
-
- // July/27 2001 - Expanded to handle degenerated curves with an arbitrary
- // number of elements containing 0 at the begining of the table (Zeroes)
- // and another arbitrary number of poles (FFFFh) at the end.
- // First the zero and pole extents are computed, then value is compared.
-
- NumZeroes = 0;
- while (LutTable[NumZeroes] == 0 && NumZeroes < length-1)
- NumZeroes++;
-
- // There are no zeros at the beginning and we are trying to find a zero, so
- // return anything. It seems zero would be the less destructive choice
- /* I'm not sure that this makes sense, but oh well... */
- if (NumZeroes == 0 && Value == 0)
- return 0;
-
- NumPoles = 0;
- while (LutTable[length-1- NumPoles] == 0xFFFF && NumPoles < length-1)
- NumPoles++;
-
- // Does the curve belong to this case?
- if (NumZeroes > 1 || NumPoles > 1)
- {
- int a, b;
-
- // Identify if value fall downto 0 or FFFF zone
- if (Value == 0) return 0;
- // if (Value == 0xFFFF) return 0xFFFF;
-
- // else restrict to valid zone
-
- a = ((NumZeroes-1) * 0xFFFF) / (length-1);
- b = ((length-1 - NumPoles) * 0xFFFF) / (length-1);
-
- l = a - 1;
- r = b + 1;
- }
-
-
- // Seems not a degenerated case... apply binary search
-
- while (r > l) {
-
- x = (l + r) / 2;
-
- res = (int) lut_interp_linear16((uint16_fract_t) (x-1), LutTable, length);
-
- if (res == Value) {
-
- // Found exact match.
-
- return (uint16_fract_t) (x - 1);
- }
-
- if (res > Value) r = x - 1;
- else l = x + 1;
- }
-
- // Not found, should we interpolate?
-
-
- // Get surrounding nodes
-
- val2 = (length-1) * ((double) (x - 1) / 65535.0);
-
- cell0 = (int) floor(val2);
- cell1 = (int) ceil(val2);
-
- if (cell0 == cell1) return (uint16_fract_t) x;
-
- y0 = LutTable[cell0] ;
- x0 = (65535.0 * cell0) / (length-1);
-
- y1 = LutTable[cell1] ;
- x1 = (65535.0 * cell1) / (length-1);
-
- a = (y1 - y0) / (x1 - x0);
- b = y0 - a * x0;
-
- if (fabs(a) < 0.01) return (uint16_fract_t) x;
-
- f = ((Value - b) / a);
-
- if (f < 0.0) return (uint16_fract_t) 0;
- if (f >= 65535.0) return (uint16_fract_t) 0xFFFF;
-
- return (uint16_fract_t) floor(f + 0.5);
-
-}
-
-// Build a White point, primary chromas transfer matrix from RGB to CIE XYZ
-// This is just an approximation, I am not handling all the non-linear
-// aspects of the RGB to XYZ process, and assumming that the gamma correction
-// has transitive property in the tranformation chain.
-//
-// the alghoritm:
-//
-// - First I build the absolute conversion matrix using
-// primaries in XYZ. This matrix is next inverted
-// - Then I eval the source white point across this matrix
-// obtaining the coeficients of the transformation
-// - Then, I apply these coeficients to the original matrix
-static struct matrix build_RGB_to_XYZ_transfer_matrix(qcms_CIE_xyY white, qcms_CIE_xyYTRIPLE primrs)
-{
- struct matrix primaries;
- struct matrix primaries_invert;
- struct matrix result;
- struct vector white_point;
- struct vector coefs;
-
- double xn, yn;
- double xr, yr;
- double xg, yg;
- double xb, yb;
-
- xn = white.x;
- yn = white.y;
-
- if (yn == 0.0)
- return matrix_invalid();
-
- xr = primrs.red.x;
- yr = primrs.red.y;
- xg = primrs.green.x;
- yg = primrs.green.y;
- xb = primrs.blue.x;
- yb = primrs.blue.y;
-
- primaries.m[0][0] = xr;
- primaries.m[0][1] = xg;
- primaries.m[0][2] = xb;
-
- primaries.m[1][0] = yr;
- primaries.m[1][1] = yg;
- primaries.m[1][2] = yb;
-
- primaries.m[2][0] = 1 - xr - yr;
- primaries.m[2][1] = 1 - xg - yg;
- primaries.m[2][2] = 1 - xb - yb;
- primaries.invalid = false;
-
- white_point.v[0] = xn/yn;
- white_point.v[1] = 1.;
- white_point.v[2] = (1.0-xn-yn)/yn;
-
- primaries_invert = matrix_invert(primaries);
-
- coefs = matrix_eval(primaries_invert, white_point);
-
- result.m[0][0] = coefs.v[0]*xr;
- result.m[0][1] = coefs.v[1]*xg;
- result.m[0][2] = coefs.v[2]*xb;
-
- result.m[1][0] = coefs.v[0]*yr;
- result.m[1][1] = coefs.v[1]*yg;
- result.m[1][2] = coefs.v[2]*yb;
-
- result.m[2][0] = coefs.v[0]*(1.-xr-yr);
- result.m[2][1] = coefs.v[1]*(1.-xg-yg);
- result.m[2][2] = coefs.v[2]*(1.-xb-yb);
- result.invalid = primaries_invert.invalid;
-
- return result;
-}
-
-struct CIE_XYZ {
- double X;
- double Y;
- double Z;
-};
-
-/* CIE Illuminant D50 */
-static const struct CIE_XYZ D50_XYZ = {
- 0.9642,
- 1.0000,
- 0.8249
-};
-
-/* from lcms: xyY2XYZ()
- * corresponds to argyll: icmYxy2XYZ() */
-static struct CIE_XYZ xyY2XYZ(qcms_CIE_xyY source)
-{
- struct CIE_XYZ dest;
- dest.X = (source.x / source.y) * source.Y;
- dest.Y = source.Y;
- dest.Z = ((1 - source.x - source.y) / source.y) * source.Y;
- return dest;
-}
-
-/* from lcms: ComputeChromaticAdaption */
-// Compute chromatic adaption matrix using chad as cone matrix
-static struct matrix
-compute_chromatic_adaption(struct CIE_XYZ source_white_point,
- struct CIE_XYZ dest_white_point,
- struct matrix chad)
-{
- struct matrix chad_inv;
- struct vector cone_source_XYZ, cone_source_rgb;
- struct vector cone_dest_XYZ, cone_dest_rgb;
- struct matrix cone, tmp;
-
- tmp = chad;
- chad_inv = matrix_invert(tmp);
-
- cone_source_XYZ.v[0] = source_white_point.X;
- cone_source_XYZ.v[1] = source_white_point.Y;
- cone_source_XYZ.v[2] = source_white_point.Z;
-
- cone_dest_XYZ.v[0] = dest_white_point.X;
- cone_dest_XYZ.v[1] = dest_white_point.Y;
- cone_dest_XYZ.v[2] = dest_white_point.Z;
-
- cone_source_rgb = matrix_eval(chad, cone_source_XYZ);
- cone_dest_rgb = matrix_eval(chad, cone_dest_XYZ);
-
- cone.m[0][0] = cone_dest_rgb.v[0]/cone_source_rgb.v[0];
- cone.m[0][1] = 0;
- cone.m[0][2] = 0;
- cone.m[1][0] = 0;
- cone.m[1][1] = cone_dest_rgb.v[1]/cone_source_rgb.v[1];
- cone.m[1][2] = 0;
- cone.m[2][0] = 0;
- cone.m[2][1] = 0;
- cone.m[2][2] = cone_dest_rgb.v[2]/cone_source_rgb.v[2];
- cone.invalid = false;
-
- // Normalize
- return matrix_multiply(chad_inv, matrix_multiply(cone, chad));
-}
-
-/* from lcms: cmsAdaptionMatrix */
-// Returns the final chrmatic adaptation from illuminant FromIll to Illuminant ToIll
-// Bradford is assumed
-static struct matrix
-adaption_matrix(struct CIE_XYZ source_illumination, struct CIE_XYZ target_illumination)
-{
- struct matrix lam_rigg = {{ // Bradford matrix
- { 0.8951, 0.2664, -0.1614 },
- { -0.7502, 1.7135, 0.0367 },
- { 0.0389, -0.0685, 1.0296 }
- }};
- return compute_chromatic_adaption(source_illumination, target_illumination, lam_rigg);
-}
-
-/* from lcms: cmsAdaptMatrixToD50 */
-static struct matrix adapt_matrix_to_D50(struct matrix r, qcms_CIE_xyY source_white_pt)
-{
- struct CIE_XYZ Dn;
- struct matrix Bradford;
-
- if (source_white_pt.y == 0.0)
- return matrix_invalid();
-
- Dn = xyY2XYZ(source_white_pt);
-
- Bradford = adaption_matrix(Dn, D50_XYZ);
- return matrix_multiply(Bradford, r);
-}
-
-qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries)
-{
- struct matrix colorants;
- colorants = build_RGB_to_XYZ_transfer_matrix(white_point, primaries);
- colorants = adapt_matrix_to_D50(colorants, white_point);
-
- if (colorants.invalid)
- return false;
-
- /* note: there's a transpose type of operation going on here */
- profile->redColorant.X = double_to_s15Fixed16Number(colorants.m[0][0]);
- profile->redColorant.Y = double_to_s15Fixed16Number(colorants.m[1][0]);
- profile->redColorant.Z = double_to_s15Fixed16Number(colorants.m[2][0]);
-
- profile->greenColorant.X = double_to_s15Fixed16Number(colorants.m[0][1]);
- profile->greenColorant.Y = double_to_s15Fixed16Number(colorants.m[1][1]);
- profile->greenColorant.Z = double_to_s15Fixed16Number(colorants.m[2][1]);
-
- profile->blueColorant.X = double_to_s15Fixed16Number(colorants.m[0][2]);
- profile->blueColorant.Y = double_to_s15Fixed16Number(colorants.m[1][2]);
- profile->blueColorant.Z = double_to_s15Fixed16Number(colorants.m[2][2]);
-
- return true;
-}
-
-/*
- The number of entries needed to invert a lookup table should not
- necessarily be the same as the original number of entries. This is
- especially true of lookup tables that have a small number of entries.
-
- For example:
- Using a table like:
- {0, 3104, 14263, 34802, 65535}
- invert_lut will produce an inverse of:
- {3, 34459, 47529, 56801, 65535}
- which has an maximum error of about 9855 (pixel difference of ~38.346)
-
- For now, we punt the decision of output size to the caller. */
-static uint16_t *invert_lut(uint16_t *table, int length, int out_length)
-{
- int i;
- /* for now we invert the lut by creating a lut of size out_length
- * and attempting to lookup a value for each entry using lut_inverse_interp16 */
- uint16_t *output = malloc(sizeof(uint16_t)*out_length);
- if (!output)
- return NULL;
-
- for (i = 0; i < out_length; i++) {
- double x = ((double) i * 65535.) / (double) (out_length - 1);
- uint16_fract_t input = floor(x + .5);
- output[i] = lut_inverse_interp16(input, table, length);
- }
- return output;
-}
-
-static uint16_t *build_linear_table(int length)
-{
- int i;
- uint16_t *output = malloc(sizeof(uint16_t)*length);
- if (!output)
- return NULL;
-
- for (i = 0; i < length; i++) {
- double x = ((double) i * 65535.) / (double) (length - 1);
- uint16_fract_t input = floor(x + .5);
- output[i] = input;
- }
- return output;
-}
-
-static uint16_t *build_pow_table(float gamma, int length)
-{
- int i;
- uint16_t *output = malloc(sizeof(uint16_t)*length);
- if (!output)
- return NULL;
-
- for (i = 0; i < length; i++) {
- uint16_fract_t result;
- double x = ((double) i) / (double) (length - 1);
- x = pow(x, gamma);
- //XXX turn this conversion into a function
- result = floor(x*65535. + .5);
- output[i] = result;
- }
- return output;
-}
-
-static float clamp_float(float a)
-{
- if (a > 1.)
- return 1.;
- else if (a < 0)
- return 0;
- else
- return a;
-}
-
-#if 0
-static void qcms_transform_data_rgb_out_pow(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- int i;
- float (*mat)[4] = transform->matrix;
- for (i=0; i<length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- float out_device_r = pow(out_linear_r, transform->out_gamma_r);
- float out_device_g = pow(out_linear_g, transform->out_gamma_g);
- float out_device_b = pow(out_linear_b, transform->out_gamma_b);
-
- *dest++ = clamp_u8(255*out_device_r);
- *dest++ = clamp_u8(255*out_device_g);
- *dest++ = clamp_u8(255*out_device_b);
- }
-}
-#endif
-
-static void qcms_transform_data_gray_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- for (i = 0; i < length; i++) {
- float out_device_r, out_device_g, out_device_b;
- unsigned char device = *src++;
-
- float linear = transform->input_gamma_table_gray[device];
-
- out_device_r = lut_interp_linear(linear, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
- out_device_g = lut_interp_linear(linear, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
- out_device_b = lut_interp_linear(linear, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
- *dest++ = clamp_u8(out_device_r*255);
- *dest++ = clamp_u8(out_device_g*255);
- *dest++ = clamp_u8(out_device_b*255);
- }
-}
-
-/* Alpha is not corrected.
- A rationale for this is found in Alvy Ray's "Should Alpha Be Nonlinear If
- RGB Is?" Tech Memo 17 (December 14, 1998).
- See: ftp://ftp.alvyray.com/Acrobat/17_Nonln.pdf
-*/
-
-static void qcms_transform_data_graya_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- for (i = 0; i < length; i++) {
- float out_device_r, out_device_g, out_device_b;
- unsigned char device = *src++;
- unsigned char alpha = *src++;
-
- float linear = transform->input_gamma_table_gray[device];
-
- out_device_r = lut_interp_linear(linear, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
- out_device_g = lut_interp_linear(linear, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
- out_device_b = lut_interp_linear(linear, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
- *dest++ = clamp_u8(out_device_r*255);
- *dest++ = clamp_u8(out_device_g*255);
- *dest++ = clamp_u8(out_device_b*255);
- *dest++ = alpha;
- }
-}
-
-
-static void qcms_transform_data_gray_out_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- for (i = 0; i < length; i++) {
- unsigned char device = *src++;
- uint16_t gray;
-
- float linear = transform->input_gamma_table_gray[device];
-
- /* we could round here... */
- gray = linear * PRECACHE_OUTPUT_MAX;
-
- *dest++ = transform->output_table_r->data[gray];
- *dest++ = transform->output_table_g->data[gray];
- *dest++ = transform->output_table_b->data[gray];
- }
-}
-
-static void qcms_transform_data_graya_out_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- for (i = 0; i < length; i++) {
- unsigned char device = *src++;
- unsigned char alpha = *src++;
- uint16_t gray;
-
- float linear = transform->input_gamma_table_gray[device];
-
- /* we could round here... */
- gray = linear * PRECACHE_OUTPUT_MAX;
-
- *dest++ = transform->output_table_r->data[gray];
- *dest++ = transform->output_table_g->data[gray];
- *dest++ = transform->output_table_b->data[gray];
- *dest++ = alpha;
- }
-}
-
-static void qcms_transform_data_rgb_out_lut_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- for (i = 0; i < length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
- uint16_t r, g, b;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- out_linear_r = clamp_float(out_linear_r);
- out_linear_g = clamp_float(out_linear_g);
- out_linear_b = clamp_float(out_linear_b);
-
- /* we could round here... */
- r = out_linear_r * PRECACHE_OUTPUT_MAX;
- g = out_linear_g * PRECACHE_OUTPUT_MAX;
- b = out_linear_b * PRECACHE_OUTPUT_MAX;
-
- *dest++ = transform->output_table_r->data[r];
- *dest++ = transform->output_table_g->data[g];
- *dest++ = transform->output_table_b->data[b];
- }
-}
-
-static void qcms_transform_data_rgba_out_lut_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- for (i = 0; i < length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
- unsigned char alpha = *src++;
- uint16_t r, g, b;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- out_linear_r = clamp_float(out_linear_r);
- out_linear_g = clamp_float(out_linear_g);
- out_linear_b = clamp_float(out_linear_b);
-
- /* we could round here... */
- r = out_linear_r * PRECACHE_OUTPUT_MAX;
- g = out_linear_g * PRECACHE_OUTPUT_MAX;
- b = out_linear_b * PRECACHE_OUTPUT_MAX;
-
- *dest++ = transform->output_table_r->data[r];
- *dest++ = transform->output_table_g->data[g];
- *dest++ = transform->output_table_b->data[b];
- *dest++ = alpha;
- }
-}
-
-static void qcms_transform_data_rgb_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- for (i = 0; i < length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
- float out_device_r, out_device_g, out_device_b;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- out_linear_r = clamp_float(out_linear_r);
- out_linear_g = clamp_float(out_linear_g);
- out_linear_b = clamp_float(out_linear_b);
-
- out_device_r = lut_interp_linear(out_linear_r, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
- out_device_g = lut_interp_linear(out_linear_g, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
- out_device_b = lut_interp_linear(out_linear_b, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
- *dest++ = clamp_u8(out_device_r*255);
- *dest++ = clamp_u8(out_device_g*255);
- *dest++ = clamp_u8(out_device_b*255);
- }
-}
-
-static void qcms_transform_data_rgba_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- unsigned int i;
- float (*mat)[4] = transform->matrix;
- for (i = 0; i < length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
- unsigned char alpha = *src++;
- float out_device_r, out_device_g, out_device_b;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- out_linear_r = clamp_float(out_linear_r);
- out_linear_g = clamp_float(out_linear_g);
- out_linear_b = clamp_float(out_linear_b);
-
- out_device_r = lut_interp_linear(out_linear_r, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
- out_device_g = lut_interp_linear(out_linear_g, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
- out_device_b = lut_interp_linear(out_linear_b, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
- *dest++ = clamp_u8(out_device_r*255);
- *dest++ = clamp_u8(out_device_g*255);
- *dest++ = clamp_u8(out_device_b*255);
- *dest++ = alpha;
- }
-}
-
-#if 0
-static void qcms_transform_data_rgb_out_linear(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length)
-{
- int i;
- float (*mat)[4] = transform->matrix;
- for (i = 0; i < length; i++) {
- unsigned char device_r = *src++;
- unsigned char device_g = *src++;
- unsigned char device_b = *src++;
-
- float linear_r = transform->input_gamma_table_r[device_r];
- float linear_g = transform->input_gamma_table_g[device_g];
- float linear_b = transform->input_gamma_table_b[device_b];
-
- float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
- float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
- float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
- *dest++ = clamp_u8(out_linear_r*255);
- *dest++ = clamp_u8(out_linear_g*255);
- *dest++ = clamp_u8(out_linear_b*255);
- }
-}
-#endif
-
-static struct precache_output *precache_reference(struct precache_output *p)
-{
- p->ref_count++;
- return p;
-}
-
-static struct precache_output *precache_create()
-{
- struct precache_output *p = malloc(sizeof(struct precache_output));
- if (p)
- p->ref_count = 1;
- return p;
-}
-
-void precache_release(struct precache_output *p)
-{
- if (--p->ref_count == 0) {
- free(p);
- }
-}
-
-#ifdef HAS_POSIX_MEMALIGN
-static qcms_transform *transform_alloc(void)
-{
- qcms_transform *t;
- if (!posix_memalign(&t, 16, sizeof(*t))) {
- return t;
- } else {
- return NULL;
- }
-}
-static void transform_free(qcms_transform *t)
-{
- free(t);
-}
-#else
-static qcms_transform *transform_alloc(void)
-{
- /* transform needs to be aligned on a 16byte boundrary */
- char *original_block = calloc(sizeof(qcms_transform) + sizeof(void*) + 16, 1);
- /* make room for a pointer to the block returned by calloc */
- void *transform_start = original_block + sizeof(void*);
- /* align transform_start */
- qcms_transform *transform_aligned = (qcms_transform*)(((uintptr_t)transform_start + 15) & ~0xf);
-
- /* store a pointer to the block returned by calloc so that we can free it later */
- void **(original_block_ptr) = (void**)transform_aligned;
- if (!original_block)
- return NULL;
- original_block_ptr--;
- *original_block_ptr = original_block;
-
- return transform_aligned;
-}
-static void transform_free(qcms_transform *t)
-{
- /* get at the pointer to the unaligned block returned by calloc */
- void **p = (void**)t;
- p--;
- free(*p);
-}
-#endif
-
-void qcms_transform_release(qcms_transform *t)
-{
- /* ensure we only free the gamma tables once even if there are
- * multiple references to the same data */
-
- if (t->output_table_r)
- precache_release(t->output_table_r);
- if (t->output_table_g)
- precache_release(t->output_table_g);
- if (t->output_table_b)
- precache_release(t->output_table_b);
-
- free(t->input_gamma_table_r);
- if (t->input_gamma_table_g != t->input_gamma_table_r)
- free(t->input_gamma_table_g);
- if (t->input_gamma_table_g != t->input_gamma_table_r &&
- t->input_gamma_table_g != t->input_gamma_table_b)
- free(t->input_gamma_table_b);
-
- free(t->input_gamma_table_gray);
-
- free(t->output_gamma_lut_r);
- free(t->output_gamma_lut_g);
- free(t->output_gamma_lut_b);
-
- transform_free(t);
-}
-
-static void compute_precache_pow(uint8_t *output, float gamma)
-{
- uint32_t v = 0;
- for (v = 0; v < PRECACHE_OUTPUT_SIZE; v++) {
- //XXX: don't do integer/float conversion... and round?
- output[v] = 255. * pow(v/(double)PRECACHE_OUTPUT_MAX, gamma);
- }
-}
-
-void compute_precache_lut(uint8_t *output, uint16_t *table, int length)
-{
- uint32_t v = 0;
- for (v = 0; v < PRECACHE_OUTPUT_SIZE; v++) {
- output[v] = lut_interp_linear_precache_output(v, table, length);
- }
-}
-
-void compute_precache_linear(uint8_t *output)
-{
- uint32_t v = 0;
- for (v = 0; v < PRECACHE_OUTPUT_SIZE; v++) {
- //XXX: round?
- output[v] = v / (PRECACHE_OUTPUT_SIZE/256);
- }
-}
-
-qcms_bool compute_precache(struct curveType *trc, uint8_t *output)
-{
- if (trc->count == 0) {
- compute_precache_linear(output);
- } else if (trc->count == 1) {
- compute_precache_pow(output, 1./u8Fixed8Number_to_float(trc->data[0]));
- } else {
- uint16_t *inverted;
- int inverted_size = trc->count;
- //XXX: the choice of a minimum of 256 here is not backed by any theory, measurement or data, however it is what lcms uses.
- // the maximum number we would need is 65535 because that's the accuracy used for computing the precache table
- if (inverted_size < 256)
- inverted_size = 256;
-
- inverted = invert_lut(trc->data, trc->count, inverted_size);
- if (!inverted)
- return false;
- compute_precache_lut(output, inverted, inverted_size);
- free(inverted);
- }
- return true;
-}
-
-#ifdef X86
-// Determine if we can build with SSE2 (this was partly copied from jmorecfg.h in
-// mozilla/jpeg)
- // -------------------------------------------------------------------------
-#if defined(_M_IX86) && defined(_MSC_VER)
-#define HAS_CPUID
-/* Get us a CPUID function. Avoid clobbering EBX because sometimes it's the PIC
- register - I'm not sure if that ever happens on windows, but cpuid isn't
- on the critical path so we just preserve the register to be safe and to be
- consistent with the non-windows version. */
-static void cpuid(uint32_t fxn, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d) {
- uint32_t a_, b_, c_, d_;
- __asm {
- xchg ebx, esi
- mov eax, fxn
- cpuid
- mov a_, eax
- mov b_, ebx
- mov c_, ecx
- mov d_, edx
- xchg ebx, esi
- }
- *a = a_;
- *b = b_;
- *c = c_;
- *d = d_;
-}
-#elif (defined(__GNUC__) || defined(__SUNPRO_C)) && (defined(__i386__) || defined(__i386))
-#define HAS_CPUID
-/* Get us a CPUID function. We can't use ebx because it's the PIC register on
- some platforms, so we use ESI instead and save ebx to avoid clobbering it. */
-static void cpuid(uint32_t fxn, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d) {
-
- uint32_t a_, b_, c_, d_;
- __asm__ __volatile__ ("xchgl %%ebx, %%esi; cpuid; xchgl %%ebx, %%esi;"
- : "=a" (a_), "=S" (b_), "=c" (c_), "=d" (d_) : "a" (fxn));
- *a = a_;
- *b = b_;
- *c = c_;
- *d = d_;
-}
-#endif
-
-// -------------------------Runtime SSEx Detection-----------------------------
-
-/* MMX is always supported per
- * Gecko v1.9.1 minimum CPU requirements */
-#define SSE1_EDX_MASK (1UL << 25)
-#define SSE2_EDX_MASK (1UL << 26)
-#define SSE3_ECX_MASK (1UL << 0)
-
-static int sse_version_available(void)
-{
-#if defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)
- /* we know at build time that 64-bit CPUs always have SSE2
- * this tells the compiler that non-SSE2 branches will never be
- * taken (i.e. OK to optimze away the SSE1 and non-SIMD code */
- return 2;
-#elif defined(HAS_CPUID)
- static int sse_version = -1;
- uint32_t a, b, c, d;
- uint32_t function = 0x00000001;
-
- if (sse_version == -1) {
- sse_version = 0;
- cpuid(function, &a, &b, &c, &d);
- if (c & SSE3_ECX_MASK)
- sse_version = 3;
- else if (d & SSE2_EDX_MASK)
- sse_version = 2;
- else if (d & SSE1_EDX_MASK)
- sse_version = 1;
- }
-
- return sse_version;
-#else
- return 0;
-#endif
-}
-#endif
-
-void build_output_lut(struct curveType *trc,
- uint16_t **output_gamma_lut, size_t *output_gamma_lut_length)
-{
- if (trc->count == 0) {
- *output_gamma_lut = build_linear_table(4096);
- *output_gamma_lut_length = 4096;
- } else if (trc->count == 1) {
- float gamma = 1./u8Fixed8Number_to_float(trc->data[0]);
- *output_gamma_lut = build_pow_table(gamma, 4096);
- *output_gamma_lut_length = 4096;
- } else {
- //XXX: the choice of a minimum of 256 here is not backed by any theory, measurement or data, however it is what lcms uses.
- *output_gamma_lut_length = trc->count;
- if (*output_gamma_lut_length < 256)
- *output_gamma_lut_length = 256;
-
- *output_gamma_lut = invert_lut(trc->data, trc->count, *output_gamma_lut_length);
- }
-
-}
-
-void qcms_profile_precache_output_transform(qcms_profile *profile)
-{
- /* we only support precaching on rgb profiles */
- if (profile->color_space != RGB_SIGNATURE)
- return;
-
- if (!profile->output_table_r) {
- profile->output_table_r = precache_create();
- if (profile->output_table_r &&
- !compute_precache(profile->redTRC, profile->output_table_r->data)) {
- precache_release(profile->output_table_r);
- profile->output_table_r = NULL;
- }
- }
- if (!profile->output_table_g) {
- profile->output_table_g = precache_create();
- if (profile->output_table_g &&
- !compute_precache(profile->greenTRC, profile->output_table_g->data)) {
- precache_release(profile->output_table_g);
- profile->output_table_g = NULL;
- }
- }
- if (!profile->output_table_b) {
- profile->output_table_b = precache_create();
- if (profile->output_table_b &&
- !compute_precache(profile->blueTRC, profile->output_table_b->data)) {
- precache_release(profile->output_table_b);
- profile->output_table_b = NULL;
- }
- }
-}
-
-#define NO_MEM_TRANSFORM NULL
-
-qcms_transform* qcms_transform_create(
- qcms_profile *in, qcms_data_type in_type,
- qcms_profile* out, qcms_data_type out_type,
- qcms_intent intent)
-{
- bool precache = false;
-
- qcms_transform *transform = transform_alloc();
- if (!transform) {
- return NULL;
- }
- if (out_type != QCMS_DATA_RGB_8 &&
- out_type != QCMS_DATA_RGBA_8) {
- assert(0 && "output type");
- transform_free(transform);
- return NULL;
- }
-
- if (out->output_table_r &&
- out->output_table_g &&
- out->output_table_b) {
- precache = true;
- }
-
- if (precache) {
- transform->output_table_r = precache_reference(out->output_table_r);
- transform->output_table_g = precache_reference(out->output_table_g);
- transform->output_table_b = precache_reference(out->output_table_b);
- } else {
- build_output_lut(out->redTRC, &transform->output_gamma_lut_r, &transform->output_gamma_lut_r_length);
- build_output_lut(out->greenTRC, &transform->output_gamma_lut_g, &transform->output_gamma_lut_g_length);
- build_output_lut(out->blueTRC, &transform->output_gamma_lut_b, &transform->output_gamma_lut_b_length);
- if (!transform->output_gamma_lut_r || !transform->output_gamma_lut_g || !transform->output_gamma_lut_b) {
- qcms_transform_release(transform);
- return NO_MEM_TRANSFORM;
- }
- }
-
- if (in->color_space == RGB_SIGNATURE) {
- struct matrix in_matrix, out_matrix, result;
-
- if (in_type != QCMS_DATA_RGB_8 &&
- in_type != QCMS_DATA_RGBA_8){
- assert(0 && "input type");
- transform_free(transform);
- return NULL;
- }
- if (precache) {
-#ifdef X86
- if (sse_version_available() >= 2) {
- if (in_type == QCMS_DATA_RGB_8)
- transform->transform_fn = qcms_transform_data_rgb_out_lut_sse2;
- else
- transform->transform_fn = qcms_transform_data_rgba_out_lut_sse2;
-
-#if !(defined(_MSC_VER) && defined(_M_AMD64))
- /* Microsoft Compiler for x64 doesn't support MMX.
- * SSE code uses MMX so that we disable on x64 */
- } else
- if (sse_version_available() >= 1) {
- if (in_type == QCMS_DATA_RGB_8)
- transform->transform_fn = qcms_transform_data_rgb_out_lut_sse1;
- else
- transform->transform_fn = qcms_transform_data_rgba_out_lut_sse1;
-#endif
- } else
-#endif
- {
- if (in_type == QCMS_DATA_RGB_8)
- transform->transform_fn = qcms_transform_data_rgb_out_lut_precache;
- else
- transform->transform_fn = qcms_transform_data_rgba_out_lut_precache;
- }
- } else {
- if (in_type == QCMS_DATA_RGB_8)
- transform->transform_fn = qcms_transform_data_rgb_out_lut;
- else
- transform->transform_fn = qcms_transform_data_rgba_out_lut;
- }
-
- //XXX: avoid duplicating tables if we can
- transform->input_gamma_table_r = build_input_gamma_table(in->redTRC);
- transform->input_gamma_table_g = build_input_gamma_table(in->greenTRC);
- transform->input_gamma_table_b = build_input_gamma_table(in->blueTRC);
-
- if (!transform->input_gamma_table_r || !transform->input_gamma_table_g || !transform->input_gamma_table_b) {
- qcms_transform_release(transform);
- return NO_MEM_TRANSFORM;
- }
-
- /* build combined colorant matrix */
- in_matrix = build_colorant_matrix(in);
- out_matrix = build_colorant_matrix(out);
- out_matrix = matrix_invert(out_matrix);
- if (out_matrix.invalid) {
- qcms_transform_release(transform);
- return NULL;
- }
- result = matrix_multiply(out_matrix, in_matrix);
-
- /* store the results in column major mode
- * this makes doing the multiplication with sse easier */
- transform->matrix[0][0] = result.m[0][0];
- transform->matrix[1][0] = result.m[0][1];
- transform->matrix[2][0] = result.m[0][2];
- transform->matrix[0][1] = result.m[1][0];
- transform->matrix[1][1] = result.m[1][1];
- transform->matrix[2][1] = result.m[1][2];
- transform->matrix[0][2] = result.m[2][0];
- transform->matrix[1][2] = result.m[2][1];
- transform->matrix[2][2] = result.m[2][2];
-
- } else if (in->color_space == GRAY_SIGNATURE) {
- if (in_type != QCMS_DATA_GRAY_8 &&
- in_type != QCMS_DATA_GRAYA_8){
- assert(0 && "input type");
- transform_free(transform);
- return NULL;
- }
-
- transform->input_gamma_table_gray = build_input_gamma_table(in->grayTRC);
- if (!transform->input_gamma_table_gray) {
- qcms_transform_release(transform);
- return NO_MEM_TRANSFORM;
- }
-
- if (precache) {
- if (in_type == QCMS_DATA_GRAY_8) {
- transform->transform_fn = qcms_transform_data_gray_out_precache;
- } else {
- transform->transform_fn = qcms_transform_data_graya_out_precache;
- }
- } else {
- if (in_type == QCMS_DATA_GRAY_8) {
- transform->transform_fn = qcms_transform_data_gray_out_lut;
- } else {
- transform->transform_fn = qcms_transform_data_graya_out_lut;
- }
- }
- } else {
- assert(0 && "unexpected colorspace");
- qcms_transform_release(transform);
- return NO_MEM_TRANSFORM;
- }
- return transform;
-}
-
-#if defined(__GNUC__) && !defined(__x86_64__) && !defined(__amd64__)
-/* we need this to avoid crashes when gcc assumes the stack is 128bit aligned */
-__attribute__((__force_align_arg_pointer__))
-#endif
-void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length)
-{
- transform->transform_fn(transform, src, dest, length);
-}