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add note on profile types

This commit is contained in:
John Cupitt 2019-01-20 21:38:24 +00:00
parent e131f173a0
commit 086f1b2ba8
1 changed files with 35 additions and 12 deletions
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47
libvips/foreign/heifload.c
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@ -178,10 +178,16 @@ vips_foreign_load_heif_set_handle( VipsForeignLoadHeif *heif, heif_item_id id )
static int
vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
{
guint width;
guint height;
gboolean has_alpha;
guint bands;
enum heif_color_profile_type profile_type =
heif_image_handle_get_color_profile_type( heif->handle );
int width = heif_image_handle_get_width( heif->handle );
int height = heif_image_handle_get_height( heif->handle );
/* FIXME none of the Nokia test images seem to set this true.
*/
gboolean has_alpha =
heif_image_handle_has_alpha_channel( heif->handle );
int bands = has_alpha ? 4 : 3;
/* Surely, 16 will be enough for anyone.
*/
heif_item_id id[16];
@ -189,14 +195,6 @@ vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
int i;
struct heif_error error;
width = heif_image_handle_get_width( heif->handle );
height = heif_image_handle_get_height( heif->handle );
/* FIXME none of the Nokia test images seem to set this true.
*/
has_alpha = heif_image_handle_has_alpha_channel( heif->handle );
bands = has_alpha ? 4 : 3;
vips_image_pipelinev( out, VIPS_DEMAND_STYLE_SMALLTILE, NULL );
vips_image_init_fields( out,
width, height, bands, VIPS_FORMAT_UCHAR,
@ -247,6 +245,31 @@ vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
(void) vips__exif_parse( out );
}
switch( profile_type ) {
case heif_color_profile_type_not_present:
printf( "no profile\n" );
break;
case heif_color_profile_type_nclx:
printf( "nclx profile\n" );
break;
case heif_color_profile_type_rICC:
printf( "rICC profile\n" );
break;
case heif_color_profile_type_prof:
printf( "prof profile\n" );
break;
default:
printf( "unknown profile type\n" );
break;
}
/* FIXME should probably check the profile type ... lcms seems to be
* able to load at least rICC and prof.
*/
if( heif_image_handle_get_color_profile_type( heif->handle ) ) {
size_t length = heif_image_handle_get_raw_color_profile_size(
heif->handle );