/**
* cd_util_icc_set_metadata_coverage:
**/
static gboolean
cd_util_icc_set_metadata_coverage (CdIcc *icc, GError **error)
{
const gchar *tmp;
gdouble coverage = 0.0f;
g_autofree gchar *coverage_tmp = NULL;
g_autoptr(CdIcc) icc_srgb = NULL;
/* is sRGB? */
tmp = cd_icc_get_metadata_item (icc, CD_PROFILE_METADATA_STANDARD_SPACE);
if (g_strcmp0 (tmp, "srgb") == 0)
return TRUE;
/* calculate coverage (quite expensive to calculate, hence metadata) */
icc_srgb = cd_icc_new ();
if (!cd_icc_create_default (icc_srgb, error))
return FALSE;
if (!cd_icc_utils_get_coverage (icc_srgb, icc, &coverage, error))
return FALSE;
if (coverage > 0.0) {
coverage_tmp = g_strdup_printf ("%.2f", coverage);
cd_icc_add_metadata (icc,
"GAMUT_coverage(srgb)",
coverage_tmp);
}
return TRUE;
}
/**
* cd_util_get_coverage:
* @profile: A valid #CdUtil
* @filename_in: A filename to proof against
* @error: A #GError, or %NULL
*
* Gets the gamut coverage of two profiles
*
* Return value: A positive value for success, or -1.0 for error.
**/
static gdouble
cd_util_get_coverage (cmsHPROFILE profile_proof,
const gchar *filename_in,
GError **error)
{
gdouble coverage = -1.0;
gboolean ret;
GFile *file = NULL;
CdIcc *icc = NULL;
CdIcc *icc_ref;
/* load proofing profile */
icc_ref = cd_icc_new ();
ret = cd_icc_load_handle (icc_ref, profile_proof,
CD_ICC_LOAD_FLAGS_NONE, error);
if (!ret)
goto out;
/* load target profile */
icc = cd_icc_new ();
file = g_file_new_for_path (filename_in);
ret = cd_icc_load_file (icc, file, CD_ICC_LOAD_FLAGS_NONE, NULL, error);
if (!ret)
goto out;
/* get coverage */
ret = cd_icc_utils_get_coverage (icc, icc_ref, &coverage, error);
if (!ret)
return FALSE;
out:
if (file != NULL)
g_object_unref (file);
if (icc != NULL)
g_object_unref (icc);
g_object_unref (icc_ref);
return ret;
}
