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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
eel-graphic-effects.h: Pixmap manipulation routines for graphical effects.
Copyright (C) 2000 Eazel, Inc.
This program 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.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Authors: Andy Hertzfeld <andy@eazel.com>
*/
#ifndef EEL_GRAPHIC_EFFECTS_H
#define EEL_GRAPHIC_EFFECTS_H
#include <gdk-pixbuf/gdk-pixbuf.h>
/* return a lightened pixbuf for pre-lighting */
GdkPixbuf *eel_create_spotlight_pixbuf (GdkPixbuf *source_pixbuf);
/* return a darkened pixbuf for selection hiliting */
GdkPixbuf *eel_create_darkened_pixbuf (GdkPixbuf *source_pixbuf,
int saturation,
int darken);
/* return a pixbuf colorized with the color specified by the parameters */
GdkPixbuf* eel_create_colorized_pixbuf (GdkPixbuf *source_pixbuf,
int red_value,
int green_value,
int blue_value);
/* stretch a image frame */
GdkPixbuf *eel_stretch_frame_image (GdkPixbuf *frame_image,
int left_offset,
int top_offset,
int right_offset,
int bottom_offset,
int dest_width,
int dest_height,
gboolean fill_flag);
/* embed in image in a frame */
GdkPixbuf *eel_embed_image_in_frame (GdkPixbuf *source_image,
GdkPixbuf *frame_image,
int left_offset,
int top_offset,
int right_offset,
int bottom_offset);
/* return a semi-transparent pixbuf from the source pixbuf using a checkboard
stipple in the alpha channel (so it can be converted to an alpha-less pixmap) */
GdkPixbuf *eel_make_semi_transparent (GdkPixbuf *source_pixbuf);
#endif /* EEL_GRAPHIC_EFFECTS_H */
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