framebuffer.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** 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.
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** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
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** 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.
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** the code of this program with Qtopia applications copyrighted, developed
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#ifndef FRAMEBUFFER_H
#define FRAMEBUFFER_H


typedef unsigned char uchar;


class FrameBuffer {
public:
    FrameBuffer();
    ~FrameBuffer();
    void create( uchar *bits, int lineStep, int x, int y, int w, int h );
    void rotateToBuffer( FrameBuffer *dst, int dstX, int dstY, int srcX, int srcY, int w, int h, int quadrants );
    uchar **jumpTable();
    int width();
    int height();
private:
    uchar **jt;
    int x, y, w, h;
    uchar *bits;
    int lineStep;
};


#endif // FRAMEBUFFER_H