/*

  * 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