/*
- * Geeqie
- * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2009 The Geeqie Team
+ * Copyright (C) 2004 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: John Ellis
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
#ifndef IMAGE_LOAD_H
#define IMAGE_LOAD_H
#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;
gint requested_width;
gint requested_height;
+
+ gint actual_width;
+ gint actual_height;
+
gboolean shrunk;
gboolean done;
- gint idle_id;
+ guint idle_id; /* event source id */
gint idle_priority;
- GdkPixbufLoader *loader;
+ gpointer *loader;
GError *error;
+ ImageLoaderBackend backend;
- gint idle_done_id;
+ 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;
guchar *mapped_file;
gsize read_buffer_size;
- gint idle_read_loop_count;
+ guint idle_read_loop_count;
};
struct _ImageLoaderClass {
GObjectClass parent;
-
+
/* class members */
void (*area_ready)(ImageLoader *, guint x, guint y, guint w, guint h, gpointer);
void (*error)(ImageLoader *, gpointer);