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diff --git a/eel/eel-gdk-pixbuf-extensions.h b/eel/eel-gdk-pixbuf-extensions.h
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* eel-gdk-pixbuf-extensions.h: Routines to augment what's in gdk-pixbuf.
+
+ Copyright (C) 2000 Eazel, Inc.
+
+ The Mate Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The Mate Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Authors: Darin Adler <[email protected]>
+ Ramiro Estrugo <[email protected]>
+*/
+
+#ifndef EEL_GDK_PIXBUF_EXTENSIONS_H
+#define EEL_GDK_PIXBUF_EXTENSIONS_H
+
+#include <eel/eel-art-extensions.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gdk/gdk.h>
+#include <gio/gio.h>
+
+#define EEL_STANDARD_ALPHA_THRESHHOLD 128
+#define EEL_OPACITY_FULLY_TRANSPARENT 0
+#define EEL_OPACITY_FULLY_OPAQUE 255
+
+extern const EelIRect eel_gdk_pixbuf_whole_pixbuf;
+
+typedef struct EelPixbufLoadHandle EelPixbufLoadHandle;
+typedef void (* EelPixbufLoadCallback) (GError *error,
+ GdkPixbuf *pixbuf,
+ gpointer callback_data);
+
+/* Convenience functions for lists of GdkPixbuf objects. */
+void eel_gdk_pixbuf_list_ref (GList *pixbuf_list);
+void eel_gdk_pixbuf_list_unref (GList *pixbuf_list);
+void eel_gdk_pixbuf_list_free (GList *pixbuf_list);
+
+
+/* Loading a GdkPixbuf with a URI. */
+GdkPixbuf * eel_gdk_pixbuf_load (const char *uri);
+GdkPixbuf * eel_gdk_pixbuf_load_from_stream (GInputStream *stream);
+GdkPixbuf * eel_gdk_pixbuf_load_from_stream_at_size (GInputStream *stream,
+ int size);
+
+
+/* Same thing async. */
+EelPixbufLoadHandle *eel_gdk_pixbuf_load_async (const char *uri,
+ int priority,
+ EelPixbufLoadCallback callback,
+ gpointer callback_data);
+void eel_cancel_gdk_pixbuf_load (EelPixbufLoadHandle *handle);
+GdkPixbuf * eel_gdk_pixbuf_scale_down_to_fit (GdkPixbuf *pixbuf,
+ int max_width,
+ int max_height);
+GdkPixbuf * eel_gdk_pixbuf_scale_to_fit (GdkPixbuf *pixbuf,
+ int max_width,
+ int max_height);
+double eel_gdk_scale_to_fit_factor (int width,
+ int height,
+ int max_width,
+ int max_height,
+ int *scaled_width,
+ int *scaled_height);
+GdkPixbuf * eel_gdk_pixbuf_scale_to_min (GdkPixbuf *pixbuf,
+ int min_width,
+ int min_height);
+double eel_gdk_scale_to_min_factor (int width,
+ int height,
+ int min_width,
+ int min_height,
+ int *scaled_width,
+ int *scaled_height);
+
+/* return average color values for each component (argb) */
+guint32 eel_gdk_pixbuf_average_value (GdkPixbuf *pixbuf);
+void eel_gdk_pixbuf_fill_rectangle_with_color (GdkPixbuf *pixbuf,
+ EelIRect area,
+ guint32 color);
+
+
+/* Save a pixbuf to a png file. Return value indicates succss/TRUE or failure/FALSE */
+gboolean eel_gdk_pixbuf_save_to_file (const GdkPixbuf *pixbuf,
+ const char *file_name);
+void eel_gdk_pixbuf_ref_if_not_null (GdkPixbuf *pixbuf_or_null);
+void eel_gdk_pixbuf_unref_if_not_null (GdkPixbuf *pixbuf_or_null);
+
+
+/* Copy a pixbuf to an area of a GdkDrawable */
+void eel_gdk_pixbuf_draw_to_drawable (const GdkPixbuf *pixbuf,
+ GdkDrawable *drawable,
+ GdkGC *gc,
+ int source_x,
+ int source_y,
+ EelIRect destination_area,
+ GdkRgbDither dither,
+ GdkPixbufAlphaMode alpha_compositing_mode,
+ int alpha_threshold);
+
+/* Copy a pixbuf to an area of another pixbuf */
+void eel_gdk_pixbuf_draw_to_pixbuf (const GdkPixbuf *pixbuf,
+ GdkPixbuf *destination_pixbuf,
+ int source_x,
+ int source_y,
+ EelIRect destination_area);
+
+
+/* Composite one pixbuf over another with the given opacity */
+void eel_gdk_pixbuf_draw_to_pixbuf_alpha (const GdkPixbuf *pixbuf,
+ GdkPixbuf *destination_pixbuf,
+ int source_x,
+ int source_y,
+ EelIRect destination_area,
+ int opacity,
+ GdkInterpType interpolation_mode);
+
+
+/* Create a pixbuf from a sub area of another pixbuf */
+GdkPixbuf * eel_gdk_pixbuf_new_from_pixbuf_sub_area (GdkPixbuf *pixbuf,
+ EelIRect area);
+/* Create a pixbuf from an existing buffer. */
+GdkPixbuf * eel_gdk_pixbuf_new_from_existing_buffer (guchar *buffer,
+ int buffer_rowstride,
+ gboolean buffer_has_alpha,
+ EelIRect area);
+
+/* Determine whether a pixbuf is valid or not */
+gboolean eel_gdk_pixbuf_is_valid (const GdkPixbuf *pixbuf);
+
+/* Access the dimensions of a pixbuf. */
+EelDimensions eel_gdk_pixbuf_get_dimensions (const GdkPixbuf *pixbuf);
+
+/* Return the intersection of the pixbuf with the given rectangle. */
+EelIRect eel_gdk_pixbuf_intersect (const GdkPixbuf *pixbuf,
+ int pixbuf_x,
+ int pixbuf_y,
+ EelIRect rectangle);
+
+/* Scales large pixbufs down fast */
+GdkPixbuf * eel_gdk_pixbuf_scale_down (GdkPixbuf *pixbuf,
+ int dest_width,
+ int dest_height);
+
+GdkPixbuf * eel_gdk_pixbuf_render (GdkPixbuf *pixbuf,
+ guint render_mode,
+ guint saturation,
+ guint brightness,
+ guint lighten_value,
+ guint color);
+
+#endif /* EEL_GDK_PIXBUF_EXTENSIONS_H */