pdftops/SplashBitmap.h

   1 //========================================================================
   2 //
   3 // SplashBitmap.h
   4 //
   5 //========================================================================
   6
   7 #ifndef SPLASHBITMAP_H
   8 #define SPLASHBITMAP_H
   9
  10 #include <config.h>
  11
  12 #ifdef USE_GCC_PRAGMAS
  13 #pragma interface
  14 #endif
  15
  16 #include "SplashTypes.h"
  17
  18 //------------------------------------------------------------------------
  19 // SplashBitmap
  20 //------------------------------------------------------------------------
  21
  22 class SplashBitmap {
  23 public:
  24
  25   // Create a new bitmap.  It will have <widthA> x <heightA> pixels in
  26   // color mode <modeA>.  Rows will be padded out to a multiple of
  27   // <rowPad> bytes.  If <topDown> is false, the bitmap will be stored
  28   // upside-down, i.e., with the last row first in memory.
  29   SplashBitmap(int widthA, int heightA, int rowPad,
  30                SplashColorMode modeA, GBool topDown = gTrue);
  31
  32   ~SplashBitmap();
  33
  34   int getWidth() { return width; }
  35   int getHeight() { return height; }
  36   int getRowSize() { return rowSize; }
  37   SplashColorMode getMode() { return mode; }
  38   SplashColorPtr getDataPtr() { return data; }
  39
  40   SplashError writePNMFile(char *fileName);
  41
  42   void getPixel(int x, int y, SplashColorPtr pixel);
  43
  44 private:
  45
  46   int width, height;            // size of bitmap
  47   int rowSize;                  // size of one row of data, in bytes
  48                                 //   - negative for bottom-up bitmaps
  49   SplashColorMode mode;         // color mode
  50   SplashColorPtr data;          // pointer to row zero of the bitmap data
  51
  52   friend class Splash;
  53 };
  54
  55 #endif