static GdkPixbuf *
impl_load_pixbuf_file (const char *uri,
int available_width,
int available_height,
GError **error)
{
GdkPixbuf *pixbuf = NULL;
GFile *file;
char *contents = NULL;
gsize size;
if (g_str_has_prefix (uri, "data:"))
return decode_image (uri);
file = g_file_new_for_uri (uri);
if (g_file_load_contents (file, NULL, &contents, &size, NULL, error))
{
pixbuf = impl_load_pixbuf_data ((const guchar *) contents, size,
available_width, available_height,
error);
}
g_object_unref (file);
g_free (contents);
return pixbuf;
}
/**
* st_texture_cache_load_from_data:
* @cache: The texture cache instance
* @data: Image data in PNG, GIF, etc format
* @len: length of @data
* @size: Size in pixels to use for the resulting texture
* @error: Return location for error
*
* Synchronously creates an image from @data. The image is scaled down
* to fit the available width and height dimensions, but the image is
* never scaled up beyond its actual size. The pixbuf is rotated
* according to the associated orientation setting.
*
* Return value: (transfer none): A new #ClutterActor with the image data loaded if it was
* generated succesfully, %NULL otherwise
*/
ClutterActor *
st_texture_cache_load_from_data (StTextureCache *cache,
const guchar *data,
gsize len,
int size,
GError **error)
{
ClutterTexture *texture;
CoglHandle texdata;
GdkPixbuf *pixbuf;
char *key;
char *checksum;
texture = create_default_texture (cache);
clutter_actor_set_size (CLUTTER_ACTOR (texture), size, size);
checksum = g_compute_checksum_for_data (G_CHECKSUM_SHA1, data, len);
key = g_strdup_printf (CACHE_PREFIX_COMPRESSED_CHECKSUM "checksum=%s,size=%d", checksum, size);
g_free (checksum);
texdata = g_hash_table_lookup (cache->priv->keyed_cache, key);
if (texdata == NULL)
{
pixbuf = impl_load_pixbuf_data (data, len, size, size, error);
if (!pixbuf)
{
g_object_unref (texture);
g_free (key);
return NULL;
}
texdata = pixbuf_to_cogl_handle (pixbuf);
g_object_unref (pixbuf);
set_texture_cogl_texture (texture, texdata);
g_hash_table_insert (cache->priv->keyed_cache, g_strdup (key), texdata);
}
g_free (key);
set_texture_cogl_texture (texture, texdata);
return CLUTTER_ACTOR (texture);
}
static GdkPixbuf *
impl_load_pixbuf_file (GFile *file,
int available_width,
int available_height,
int scale,
GError **error)
{
GdkPixbuf *pixbuf = NULL;
char *contents = NULL;
gsize size;
if (g_file_load_contents (file, NULL, &contents, &size, NULL, error))
{
pixbuf = impl_load_pixbuf_data ((const guchar *) contents, size,
available_width, available_height,
scale,
error);
}
g_free (contents);
return pixbuf;
}
