infrastructure for image loader backend

[geeqie.git] / src / image-load.h

diff --git a/src/image-load.h b/src/image-load.h
index fe8de88..c6ffbbd 100644 (file)
--- a/src/image-load.h
+++ b/src/image-load.h
@@ -16,6 +16,21 @@
 
 #define TYPE_IMAGE_LOADER              (image_loader_get_type())
 
+
+typedef struct _ImageLoaderBackend ImageLoaderBackend;
+struct _ImageLoaderBackend
+{
+       gpointer (*loader_new)(GCallback area_updated_cb, GCallback size_cb, GCallback area_prepared_cb, gpointer data);
+       void (*set_size)(gpointer loader, int width, int height);
+       gboolean (*write)(gpointer loader, const guchar *buf, gsize count, GError **error);
+       GdkPixbuf* (*get_pixbuf)(gpointer loader);
+       gboolean (*close)(gpointer loader, GError **error);
+
+       gchar* (*get_format_name)(gpointer loader);
+       gchar** (*get_format_mime_types)(gpointer loader);
+};
+
+
 //typedef struct _ImageLoader ImageLoader;
 typedef struct _ImageLoaderClass ImageLoaderClass;
 
@@ -41,8 +56,9 @@ struct _ImageLoader
        guint idle_id; /* event source id */
        gint idle_priority;
 
-       GdkPixbufLoader *loader;
+       gpointer *loader;
        GError *error;
+       ImageLoaderBackend backend;
 
        guint idle_done_id; /* event source id */
        GList *area_param_list;