+/* Load tile data from pixel buffer */
+gboolean grits_tile_load_pixels(GritsTile *tile, guchar *pixels,
+ gint width, gint height, gint channels);
+
+/* Load tile data from a GdkPixbuf */
+gboolean grits_tile_load_pixbuf(GritsTile *tile, GdkPixbuf *pixbuf);
+
+/* Load tile data from an image file */
+gboolean grits_tile_load_file(GritsTile *tile, const gchar *file);
+