Exemple #1
0
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;
}
Exemple #2
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
}