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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
// Image.hh for Blackbox - an X11 Window manager
// Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh@debian.org>
// Copyright (c) 1997 - 2000, 2002 - 2005
// Bradley T Hughes <bhughes at trolltech.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef __Image_hh
#define __Image_hh
#include "Util.hh"
namespace bt {
// forward declarations
class Color;
class Display;
class ScreenInfo;
class Texture;
class XColorTable;
enum DitherMode {
NoDither,
OrderedDither,
FloydSteinbergDither
};
struct RGB {
unsigned int red : 8;
unsigned int green : 8;
unsigned int blue : 8;
unsigned int reserved : 8;
};
class Image : public NoCopy {
public:
static inline unsigned int maximumColors(void)
{ return global_maximumColors; }
static inline void setMaximumColors(unsigned int newval)
{ global_maximumColors = newval; }
static inline DitherMode ditherMode(void)
{ return global_ditherMode; }
static inline void setDitherMode(DitherMode dithermode)
{ global_ditherMode = dithermode; }
Image(unsigned int w, unsigned int h);
~Image(void);
Pixmap render(const Display &display, unsigned int screen,
const Texture &texture);
private:
RGB *data;
unsigned int width, height;
void OrderedDither(XColorTable *colortable,
unsigned int bit_depth,
unsigned int bytes_per_line,
unsigned char *pixel_data);
void FloydSteinbergDither(XColorTable *colortable,
unsigned int bit_depth,
unsigned int bytes_per_line,
unsigned char *pixel_data);
Pixmap renderPixmap(const Display &display, unsigned int screen);
void raisedBevel(unsigned int border_width = 0);
void sunkenBevel(unsigned int border_width = 0);
void dgradient(const Color &from, const Color &to, bool interlaced);
void egradient(const Color &from, const Color &to, bool interlaced);
void hgradient(const Color &from, const Color &to, bool interlaced);
void pgradient(const Color &from, const Color &to, bool interlaced);
void rgradient(const Color &from, const Color &to, bool interlaced);
void vgradient(const Color &from, const Color &to, bool interlaced);
void cdgradient(const Color &from, const Color &to, bool interlaced);
void pcgradient(const Color &from, const Color &to, bool interlaced);
static unsigned int global_maximumColors;
static DitherMode global_ditherMode;
};
} // namespace bt
#endif // __Image_hh
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