static void
load_animation (GInputStream *input_stream,
CbMedia *media)
{
GdkPixbufAnimation *animation;
GdkPixbuf *frame;
GError *error = NULL;
cairo_surface_t *surface;
cairo_t *ct;
gboolean has_alpha;
animation = gdk_pixbuf_animation_new_from_stream (input_stream, NULL, &error);
if (error)
{
g_warning ("Couldn't load pixbuf: %s (%s)", error->message, media->url);
mark_invalid (media);
g_error_free (error);
return;
}
frame = gdk_pixbuf_animation_get_static_image (animation);
if (!gdk_pixbuf_animation_is_static_image (animation))
media->animation = animation; /* Takes ref */
else
media->animation = NULL;
has_alpha = gdk_pixbuf_get_has_alpha (frame);
surface = cairo_image_surface_create (has_alpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
gdk_pixbuf_get_width (frame),
gdk_pixbuf_get_height (frame));
ct = cairo_create (surface);
gdk_cairo_set_source_pixbuf (ct, frame, 0.0, 0.0);
cairo_paint (ct);
cairo_destroy (ct);
media->surface = surface;
if (media->surface == NULL)
{
g_warning ("Surface of %p is null", media);
mark_invalid (media);
goto out;
}
media->width = gdk_pixbuf_get_width (frame);
media->height = gdk_pixbuf_get_height (frame);
media->loaded = TRUE;
media->invalid = FALSE;
out:
if (media->animation == NULL)
g_object_unref (animation);
cb_media_loading_finished (media);
}
GthImage *
gth_pixbuf_animation_new_from_file (GInputStream *istream,
GthFileData *file_data,
int requested_size,
int *original_width,
int *original_height,
gboolean *loaded_original,
gpointer user_data,
GCancellable *cancellable,
GError **error)
{
const char *mime_type;
GthImage *image;
mime_type = _g_content_type_get_from_stream (istream, (file_data != NULL ? file_data->file : NULL), cancellable, error);
if (mime_type == NULL)
return NULL;
image = NULL;
if (g_content_type_equals (mime_type, "image/gif")) {
GdkPixbufAnimation *animation;
animation = gdk_pixbuf_animation_new_from_stream (istream, cancellable, error);
image = gth_image_new ();
gth_image_set_pixbuf_animation (image, animation);
_g_object_unref (animation);
}
else
image = gth_pixbuf_new_from_file (istream,
file_data,
requested_size,
original_width,
original_height,
loaded_original,
FALSE,
cancellable,
error);
return image;
}
