Trim trailing white spaces on empty lines.

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

diff --git a/src/image-load.h b/src/image-load.h
index fe8de88..d9b6f7d 100644 (file)
--- a/src/image-load.h
+++ b/src/image-load.h
@@ -1,7 +1,7 @@
 /*
  * Geeqie
  * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2010 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
  *
  * Author: John Ellis
  *
@@ -16,13 +16,44 @@
 
 #define TYPE_IMAGE_LOADER              (image_loader_get_type())
 
+typedef void (*ImageLoaderBackendCbAreaPrepared)(gpointer loader, gpointer data);
+typedef void (*ImageLoaderBackendCbSize)(gpointer loader, gint width, gint height, gpointer data);
+typedef void (*ImageLoaderBackendCbAreaUpdated)(gpointer loader, guint x, guint y, guint w, guint h, gpointer data);
+
+typedef gpointer (*ImageLoaderBackendFuncLoaderNew)(ImageLoaderBackendCbAreaUpdated, ImageLoaderBackendCbSize, ImageLoaderBackendCbAreaPrepared, gpointer data);
+typedef void (*ImageLoaderBackendFuncSetSize)(gpointer loader, int width, int height);
+typedef gboolean (*ImageLoaderBackendFuncLoad)(gpointer loader, const guchar *buf, gsize count, GError **error); /* optional, load whole image at once */
+typedef gboolean (*ImageLoaderBackendFuncWrite)(gpointer loader, const guchar *buf, gsize count, GError **error);
+typedef GdkPixbuf* (*ImageLoaderBackendFuncGetPixbuf)(gpointer loader);
+typedef gboolean (*ImageLoaderBackendFuncClose)(gpointer loader, GError **error);
+typedef void (*ImageLoaderBackendFuncAbort)(gpointer loader);
+typedef void (*ImageLoaderBackendFuncFree)(gpointer loader);
+typedef gchar* (*ImageLoaderBackendFuncGetFormatName)(gpointer loader);
+typedef gchar** (*ImageLoaderBackendFuncGetFormatMimeTypes)(gpointer loader);
+
+typedef struct _ImageLoaderBackend ImageLoaderBackend;
+struct _ImageLoaderBackend
+{
+       ImageLoaderBackendFuncLoaderNew loader_new;
+       ImageLoaderBackendFuncSetSize set_size;
+       ImageLoaderBackendFuncLoad load;
+       ImageLoaderBackendFuncWrite write;
+       ImageLoaderBackendFuncGetPixbuf get_pixbuf;
+       ImageLoaderBackendFuncClose close;
+       ImageLoaderBackendFuncAbort abort;
+       ImageLoaderBackendFuncFree free;
+       ImageLoaderBackendFuncGetFormatName get_format_name;
+       ImageLoaderBackendFuncGetFormatMimeTypes get_format_mime_types;
+};
+
+
 //typedef struct _ImageLoader ImageLoader;
 typedef struct _ImageLoaderClass ImageLoaderClass;
 
 struct _ImageLoader
 {
        GObject parent;
-       
+
        /*< private >*/
        GdkPixbuf *pixbuf;
        FileData *fd;
@@ -35,21 +66,26 @@ struct _ImageLoader
 
        gint requested_width;
        gint requested_height;
+
+       gint actual_width;
+       gint actual_height;
+
        gboolean shrunk;
 
        gboolean done;
        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;
        GList *area_param_delayed_list;
-       
+
        gboolean delay_area_ready;
-       
+
        GMutex *data_mutex;
        gboolean stopping;
        gboolean can_destroy;
@@ -63,7 +99,7 @@ struct _ImageLoader
 
 struct _ImageLoaderClass {
        GObjectClass parent;
-       
+
        /* class members */
        void (*area_ready)(ImageLoader *, guint x, guint y, guint w, guint h, gpointer);
        void (*error)(ImageLoader *, gpointer);