void createColorTransform(const ColorProfile& colorProfile, bool hasAlpha, bool sRGB)
{
clearColorTransform();
if (colorProfile.isEmpty() && !sRGB)
return;
qcms_profile* deviceProfile = ImageDecoder::qcmsOutputDeviceProfile();
if (!deviceProfile)
return;
qcms_profile* inputProfile = 0;
if (!colorProfile.isEmpty())
inputProfile = qcms_profile_from_memory(colorProfile.data(), colorProfile.size());
else
inputProfile = qcms_profile_sRGB();
if (!inputProfile)
return;
// We currently only support color profiles for RGB and RGBA images.
ASSERT(rgbData == qcms_profile_get_color_space(inputProfile));
if (qcms_profile_match(inputProfile, deviceProfile)) {
qcms_profile_release(inputProfile);
return;
}
// FIXME: Don't force perceptual intent if the image profile contains an intent.
qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
m_transform = qcms_transform_create(inputProfile, dataFormat, deviceProfile, dataFormat, QCMS_INTENT_PERCEPTUAL);
qcms_profile_release(inputProfile);
}
TESTFUNC_TYPE
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
qcms_enable_iccv4();
qcms_profile* profile = qcms_profile_from_memory(data, size);
if (!profile) {
return 0;
}
qcms_profile* srgb_profile = qcms_profile_sRGB();
if (!srgb_profile) {
qcms_profile_release(profile);
return 0;
}
transform(profile, srgb_profile, size);
// Firefox only checks the display (destination) profile.
if (qcms_profile_is_bogus(profile)) {
goto release_profiles;
};
transform(srgb_profile, profile, size);
release_profiles:
qcms_profile_release(profile);
qcms_profile_release(srgb_profile);
return 0;
}
/* Shuts down various transforms and profiles for CMS. */
static void ShutdownCMS()
{
if (gCMSRGBTransform) {
qcms_transform_release(gCMSRGBTransform);
gCMSRGBTransform = nsnull;
}
if (gCMSInverseRGBTransform) {
qcms_transform_release(gCMSInverseRGBTransform);
gCMSInverseRGBTransform = nsnull;
}
if (gCMSRGBATransform) {
qcms_transform_release(gCMSRGBATransform);
gCMSRGBATransform = nsnull;
}
if (gCMSOutputProfile) {
qcms_profile_release(gCMSOutputProfile);
// handle the aliased case
if (gCMSsRGBProfile == gCMSOutputProfile)
gCMSsRGBProfile = nsnull;
gCMSOutputProfile = nsnull;
}
if (gCMSsRGBProfile) {
qcms_profile_release(gCMSsRGBProfile);
gCMSsRGBProfile = nsnull;
}
// Reset the state variables
gCMSIntent = -2;
gCMSMode = eCMSMode_Off;
gCMSInitialized = PR_FALSE;
}
// -----------------------------------------------------------------------------
// Color profile handling
static int ApplyColorProfile(const WebPData* const profile,
WebPDecBuffer* const rgba) {
#ifdef WEBP_HAVE_QCMS
int i, ok = 0;
uint8_t* line;
uint8_t major_revision;
qcms_profile* input_profile = NULL;
qcms_profile* output_profile = NULL;
qcms_transform* transform = NULL;
const qcms_data_type input_type = QCMS_DATA_RGBA_8;
const qcms_data_type output_type = QCMS_DATA_RGBA_8;
const qcms_intent intent = QCMS_INTENT_DEFAULT;
if (profile == NULL || rgba == NULL) return 0;
if (profile->bytes == NULL || profile->size < 10) return 1;
major_revision = profile->bytes[8];
qcms_enable_iccv4();
input_profile = qcms_profile_from_memory(profile->bytes, profile->size);
// qcms_profile_is_bogus() is broken with ICCv4.
if (input_profile == NULL ||
(major_revision < 4 && qcms_profile_is_bogus(input_profile))) {
fprintf(stderr, "Color profile is bogus!\n");
goto Error;
}
output_profile = qcms_profile_sRGB();
if (output_profile == NULL) {
fprintf(stderr, "Error creating output color profile!\n");
goto Error;
}
qcms_profile_precache_output_transform(output_profile);
transform = qcms_transform_create(input_profile, input_type,
output_profile, output_type,
intent);
if (transform == NULL) {
fprintf(stderr, "Error creating color transform!\n");
goto Error;
}
line = rgba->u.RGBA.rgba;
for (i = 0; i < rgba->height; ++i, line += rgba->u.RGBA.stride) {
qcms_transform_data(transform, line, line, rgba->width);
}
ok = 1;
Error:
if (input_profile != NULL) qcms_profile_release(input_profile);
if (output_profile != NULL) qcms_profile_release(output_profile);
if (transform != NULL) qcms_transform_release(transform);
return ok;
#else
(void)profile;
(void)rgba;
return 1;
#endif // WEBP_HAVE_QCMS
}
qcms_profile *
gfxPlatform::GetCMSOutputProfile()
{
if (!gCMSOutputProfile) {
NS_TIME_FUNCTION;
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (prefs) {
nsresult rv;
/* Determine if we're using the internal override to force sRGB as
an output profile for reftests. See Bug 452125.
Note that we don't normally (outside of tests) set a
default value of this preference, which means GetBoolPref
will typically throw (and leave its out-param untouched).
*/
PRBool doSRGBOverride;
rv = prefs->GetBoolPref(CMForceSRGBPrefName, &doSRGBOverride);
if (NS_SUCCEEDED(rv) && doSRGBOverride)
gCMSOutputProfile = GetCMSsRGBProfile();
if (!gCMSOutputProfile) {
nsXPIDLCString fname;
rv = prefs->GetCharPref(CMProfilePrefName,
getter_Copies(fname));
if (NS_SUCCEEDED(rv) && !fname.IsEmpty()) {
gCMSOutputProfile = qcms_profile_from_path(fname);
}
}
}
if (!gCMSOutputProfile) {
gCMSOutputProfile =
gfxPlatform::GetPlatform()->GetPlatformCMSOutputProfile();
}
/* Determine if the profile looks bogus. If so, close the profile
* and use sRGB instead. See bug 460629, */
if (gCMSOutputProfile && qcms_profile_is_bogus(gCMSOutputProfile)) {
NS_ASSERTION(gCMSOutputProfile != GetCMSsRGBProfile(),
"Builtin sRGB profile tagged as bogus!!!");
qcms_profile_release(gCMSOutputProfile);
gCMSOutputProfile = nsnull;
}
if (!gCMSOutputProfile) {
gCMSOutputProfile = GetCMSsRGBProfile();
}
/* Precache the LUT16 Interpolations for the output profile. See
bug 444661 for details. */
qcms_profile_precache_output_transform(gCMSOutputProfile);
}
return gCMSOutputProfile;
}
void do_test(void) {
unsigned char srct[4] = { 221, 79, 129, 92};
unsigned char outt[4];
qcms_transform *transform;
qcms_profile *input_profile, *output_profile, *rgb;
qcms_CIE_xyY white_point = { 0, 0, 1.};
qcms_CIE_xyYTRIPLE primaries = { {.9, .3, 1.}, {.2, .4, 1.}, {.7, .4, 1.}};
rgb = qcms_profile_create_rgb_with_gamma(white_point, primaries, 1.8);
input_profile = qcms_profile_sRGB();
output_profile = qcms_profile_sRGB();
if (output_profile) {
test_gray(output_profile);
test_gray_precache(output_profile);
qcms_profile_release(output_profile);
}
if (input_profile)
qcms_profile_release(input_profile);
if (rgb)
qcms_profile_release(rgb);
rgb = qcms_profile_from_path("sample-trunc.icc");
if (rgb)
qcms_profile_release(rgb);
}
nsJPEGDecoder::~nsJPEGDecoder()
{
// Step 8: Release JPEG decompression object
mInfo.src = nullptr;
jpeg_destroy_decompress(&mInfo);
PR_FREEIF(mBackBuffer);
if (mTransform)
qcms_transform_release(mTransform);
if (mInProfile)
qcms_profile_release(mInProfile);
PR_LOG(gJPEGDecoderAccountingLog, PR_LOG_DEBUG,
("nsJPEGDecoder::~nsJPEGDecoder: Destroying JPEG decoder %p",
this));
}
void test_gray(qcms_profile *output_profile)
{
unsigned char srct[3] = { 221, 79, 129};
unsigned char outt[3];
qcms_transform *transform;
qcms_profile *gray_profile = qcms_profile_from_memory(gray_icc, sizeof(gray_icc));
if (gray_profile) {
transform = qcms_transform_create(gray_profile, QCMS_DATA_GRAY_8, output_profile, QCMS_DATA_RGB_8, QCMS_INTENT_PERCEPTUAL);
if (transform) {
qcms_transform_data(transform, srct, outt, 1);
qcms_transform_release(transform);
}
qcms_profile_release(gray_profile);
}
}
nsPNGDecoder::~nsPNGDecoder()
{
if (mPNG)
png_destroy_read_struct(&mPNG, mInfo ? &mInfo : nullptr, nullptr);
if (mCMSLine)
nsMemory::Free(mCMSLine);
if (interlacebuf)
nsMemory::Free(interlacebuf);
if (mInProfile) {
qcms_profile_release(mInProfile);
/* mTransform belongs to us only if mInProfile is non-null */
if (mTransform)
qcms_transform_release(mTransform);
}
}
nsPNGDecoder::~nsPNGDecoder()
{
if (mPNG) {
png_destroy_read_struct(&mPNG, mInfo ? &mInfo : nullptr, nullptr);
}
if (mCMSLine) {
free(mCMSLine);
}
if (interlacebuf) {
free(interlacebuf);
}
if (mInProfile) {
qcms_profile_release(mInProfile);
// mTransform belongs to us only if mInProfile is non-null
if (mTransform) {
qcms_transform_release(mTransform);
}
}
}
void createColorTransform(const ColorProfile& colorProfile, bool hasAlpha)
{
if (m_transform)
qcms_transform_release(m_transform);
m_transform = 0;
if (colorProfile.isEmpty())
return;
qcms_profile* deviceProfile = ImageDecoder::qcmsOutputDeviceProfile();
if (!deviceProfile)
return;
qcms_profile* inputProfile = qcms_profile_from_memory(colorProfile.data(), colorProfile.size());
if (!inputProfile)
return;
// We currently only support color profiles for RGB profiled images.
ASSERT(icSigRgbData == qcms_profile_get_color_space(inputProfile));
qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
// FIXME: Don't force perceptual intent if the image profile contains an intent.
m_transform = qcms_transform_create(inputProfile, dataFormat, deviceProfile, dataFormat, QCMS_INTENT_PERCEPTUAL);
qcms_profile_release(inputProfile);
}
bool WEBPImageDecoder::createColorTransform(const char* data, size_t size)
{
clearColorTransform();
qcms_profile* deviceProfile = ImageDecoder::qcmsOutputDeviceProfile();
if (!deviceProfile)
return false;
qcms_profile* inputProfile = qcms_profile_from_memory(data, size);
if (!inputProfile)
return false;
// We currently only support color profiles for RGB profiled images.
ASSERT(icSigRgbData == qcms_profile_get_color_space(inputProfile));
// The input image pixels are RGBA format.
qcms_data_type format = QCMS_DATA_RGBA_8;
// FIXME: Don't force perceptual intent if the image profile contains an intent.
m_transform = qcms_transform_create(inputProfile, format, deviceProfile, QCMS_DATA_RGBA_8, QCMS_INTENT_PERCEPTUAL);
qcms_profile_release(inputProfile);
return !!m_transform;
}
static int qcms_test_internal_srgb(size_t width,
size_t height,
int iterations,
const char *in_path,
const char *out_path,
const int force_software)
{
qcms_profile *profile = qcms_profile_sRGB();
s15Fixed16Number sRGB_internal[3][3];
s15Fixed16Number diff = 0;
int i, j;
printf("Test qcms internal sRGB colorant matrix against official sRGB IEC61966-2.1 color (D50) primaries\n");
sRGB_internal[0][0] = profile->redColorant.X;
sRGB_internal[1][0] = profile->redColorant.Y;
sRGB_internal[2][0] = profile->redColorant.Z;
sRGB_internal[0][1] = profile->greenColorant.X;
sRGB_internal[1][1] = profile->greenColorant.Y;
sRGB_internal[2][1] = profile->greenColorant.Z;
sRGB_internal[0][2] = profile->blueColorant.X;
sRGB_internal[1][2] = profile->blueColorant.Y;
sRGB_internal[2][2] = profile->blueColorant.Z;
for (i = 0; i < 3; i++) {
for (j = 0; j < 3; j++) {
s15Fixed16Number tmp = sRGB_internal[i][j] - sRGB_reference[i][j];
printf("\t%d", tmp);
diff += abs(tmp);
}
printf("\n");
}
qcms_profile_release(profile);
printf("Total error = 0x%x [%.6f]\n", diff, diff / 65536.0);
return diff;
}
// Adapted from http://www.littlecms.com/pngchrm.c example code
static qcms_profile*
PNGGetColorProfile(png_structp png_ptr, png_infop info_ptr,
int color_type, qcms_data_type* inType, uint32_t* intent)
{
qcms_profile* profile = nullptr;
*intent = QCMS_INTENT_PERCEPTUAL; // Our default
// First try to see if iCCP chunk is present
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_iCCP)) {
png_uint_32 profileLen;
png_bytep profileData;
png_charp profileName;
int compression;
png_get_iCCP(png_ptr, info_ptr, &profileName, &compression,
&profileData, &profileLen);
profile = qcms_profile_from_memory((char*)profileData, profileLen);
if (profile) {
uint32_t profileSpace = qcms_profile_get_color_space(profile);
bool mismatch = false;
if (color_type & PNG_COLOR_MASK_COLOR) {
if (profileSpace != icSigRgbData) {
mismatch = true;
}
} else {
if (profileSpace == icSigRgbData) {
png_set_gray_to_rgb(png_ptr);
} else if (profileSpace != icSigGrayData) {
mismatch = true;
}
}
if (mismatch) {
qcms_profile_release(profile);
profile = nullptr;
} else {
*intent = qcms_profile_get_rendering_intent(profile);
}
}
}
// Check sRGB chunk
if (!profile && png_get_valid(png_ptr, info_ptr, PNG_INFO_sRGB)) {
profile = qcms_profile_sRGB();
if (profile) {
int fileIntent;
png_set_gray_to_rgb(png_ptr);
png_get_sRGB(png_ptr, info_ptr, &fileIntent);
uint32_t map[] = { QCMS_INTENT_PERCEPTUAL,
QCMS_INTENT_RELATIVE_COLORIMETRIC,
QCMS_INTENT_SATURATION,
QCMS_INTENT_ABSOLUTE_COLORIMETRIC };
*intent = map[fileIntent];
}
}
// Check gAMA/cHRM chunks
if (!profile &&
png_get_valid(png_ptr, info_ptr, PNG_INFO_gAMA) &&
png_get_valid(png_ptr, info_ptr, PNG_INFO_cHRM)) {
qcms_CIE_xyYTRIPLE primaries;
qcms_CIE_xyY whitePoint;
png_get_cHRM(png_ptr, info_ptr,
&whitePoint.x, &whitePoint.y,
&primaries.red.x, &primaries.red.y,
&primaries.green.x, &primaries.green.y,
&primaries.blue.x, &primaries.blue.y);
whitePoint.Y =
primaries.red.Y = primaries.green.Y = primaries.blue.Y = 1.0;
double gammaOfFile;
png_get_gAMA(png_ptr, info_ptr, &gammaOfFile);
profile = qcms_profile_create_rgb_with_gamma(whitePoint, primaries,
1.0/gammaOfFile);
if (profile) {
png_set_gray_to_rgb(png_ptr);
}
}
if (profile) {
uint32_t profileSpace = qcms_profile_get_color_space(profile);
if (profileSpace == icSigGrayData) {
if (color_type & PNG_COLOR_MASK_ALPHA) {
*inType = QCMS_DATA_GRAYA_8;
} else {
*inType = QCMS_DATA_GRAY_8;
}
} else {
if (color_type & PNG_COLOR_MASK_ALPHA ||
png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
*inType = QCMS_DATA_RGBA_8;
} else {
*inType = QCMS_DATA_RGB_8;
}
}
}
return profile;
}