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;
}
// -----------------------------------------------------------------------------
// 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;
}
