/*

 * GraphLCD graphics library

 *

 * bitmap.h  -  cBitmap class

 *

 * based on graphlcd plugin 0.1.1 for the Video Disc Recorder

 *  (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de>

 *

 * This file is released under the GNU General Public License. Refer

 * to the COPYING file distributed with this package.

 *

 * (c) 2004 Andreas Regel <andreas.regel AT powarman.de>

 */

#ifndef _GLCDGRAPHICS_BITMAP_H_

#define _GLCDGRAPHICS_BITMAP_H_

#include <string>

namespace GLCD

{

enum eColor

{

    clrBlack,

    clrWhite

};

class cFont;

class cBitmap

{

protected:

    int width;

    int height;

    int lineSize;

    unsigned char * bitmap;

public:

    cBitmap(int width, int height, unsigned char * data = NULL);

    cBitmap(const cBitmap & b);

    ~cBitmap();

    int Width() const { return width; }

    int Height() const { return height; }

    int LineSize() const { return lineSize; }

    const unsigned char * Data() const { return bitmap; }

    void Clear();

    void Invert();

    void DrawPixel(int x, int y, eColor color);

    void Draw8Pixels(int x, int y, unsigned char pixels, eColor color);

    void DrawLine(int x1, int y1, int x2, int y2, eColor color);

    void DrawHLine(int x1, int y, int x2, eColor color);

    void DrawVLine(int x, int y1, int y2, eColor color);

    void DrawRectangle(int x1, int y1, int x2, int y2, eColor color, bool filled);

    void DrawRoundRectangle(int x1, int y1, int x2, int y2, eColor color, bool filled, int size);

    void DrawEllipse(int x1, int y1, int x2, int y2, eColor color, bool filled, int quadrants);

    void DrawSlope(int x1, int y1, int x2, int y2, eColor color, int type);

    void DrawBitmap(int x, int y, const cBitmap & bitmap, eColor color);

    int DrawText(int x, int y, int xmax, const std::string & text, const cFont * font,

                 eColor color = clrBlack, bool proportional = true, int skipPixels = 0);

    int DrawCharacter(int x, int y, int xmax, char c, const cFont * font,

                      eColor color = clrBlack, int skipPixels = 0);

    cBitmap * SubBitmap(int x1, int y1, int x2, int y2) const;

    unsigned char GetPixel(int x, int y) const;

    bool LoadPBM(const std::string & fileName);

    void SavePBM(const std::string & fileName);

};

} // end of namespace

#endif