painter.h

来自「Linux下比较早的基于命令行的DVD播放器」· C头文件 代码 · 共 62 行

//
// Copyright (c) 2005 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_UTIL_PAINTER_H
#define DXR3PLAYER_UTIL_PAINTER_H
//------------------------------------------------------------------------------

#include <cstdlib>

#include <inttypes.h>

//------------------------------------------------------------------------------

/**
 * Utility class to perform some painting operations.
 */
class Painter
{
public:
    /**
     * The transparent colour.
     */
    static const uint32_t transparentColor = 0x00020202;

    /**
     * Draw an arc into the given area. Colours for the arc, the inner
     * part and the outer part can be given.
     */
    static volatile uint32_t* drawArc(volatile uint32_t* dest, 
                                      size_t width, size_t pitch, size_t height,
                                      ssize_t x0, ssize_t y0, 
                                      size_t r1, size_t r2,
                                      uint32_t arcColor, 
                                      uint32_t innerColor = transparentColor, 
                                      uint32_t outerColor = transparentColor);
};

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#endif // DXR3PLAYER_UTIL_PAINTER_H

// Local variables:
// mode: c++
// End: