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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Marco gradient rendering */
/*
* Copyright (C) 2001 Havoc Pennington, 99% copied from wrlib in
* WindowMaker, Copyright (C) 1997-2000 Dan Pascu and Alfredo Kojima
*
* 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 St, Fifth Floor, Boston, MA
* 02110-1301, USA. */
#ifndef META_GRADIENT_H
#define META_GRADIENT_H
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk/gdk.h>
/**
* MetaGradientType:
* @META_GRADIENT_VERTICAL: Vertical gradient
* @META_GRADIENT_HORIZONTAL: Horizontal gradient
* @META_GRADIENT_DIAGONAL: Diagonal gradient
* @META_GRADIENT_LAST: Marks the end of the #MetaGradientType enumeration
*
*/
typedef enum
{
META_GRADIENT_VERTICAL,
META_GRADIENT_HORIZONTAL,
META_GRADIENT_DIAGONAL,
META_GRADIENT_LAST
} MetaGradientType;
GdkPixbuf* meta_gradient_create_simple (int width,
int height,
const GdkRGBA *from,
const GdkRGBA *to,
MetaGradientType style);
GdkPixbuf* meta_gradient_create_multi (int width,
int height,
const GdkRGBA *colors,
int n_colors,
MetaGradientType style);
GdkPixbuf* meta_gradient_create_interwoven (int width,
int height,
const GdkRGBA colors1[2],
int thickness1,
const GdkRGBA colors2[2],
int thickness2);
/* Generate an alpha gradient and multiply it with the existing alpha
* channel of the given pixbuf
*/
void meta_gradient_add_alpha (GdkPixbuf *pixbuf,
const guchar *alphas,
int n_alphas,
MetaGradientType type);
#endif
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