Dogcows Code - chaz/openbox/blob - otk/truerendercontrol.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __truerendercontrol_hh
   3 #define __truerendercontrol_hh
   4
   5 #include "rendercontrol.hh"
   6
   7 #include <vector>
   8
   9 namespace otk {
  10
  11 #ifdef WORDS_BIGENDIAN
  12 const int default_red_shift=0;
  13 const int default_green_shift=8;
  14 const int default_blue_shift=16;
  15 const int endian=MSBFirst;
  16 #else
  17 const int default_red_shift=16;
  18 const int default_green_shift=8;
  19 const int default_blue_shift=0;
  20 const int endian=LSBFirst;
  21 #endif /* WORDS_BIGENDIAN */
  22
  23 class TrueRenderControl : public RenderControl {
  24 private:
  25   // the number of bits to shift a color value (from 0-255) to the right, to
  26   // fit it into the the color mask (do this before the offset)
  27   int _red_shift;
  28   int _green_shift;
  29   int _blue_shift;
  30
  31   // the offset of each color in a color mask
  32   int _red_offset;
  33   int _green_offset;
  34   int _blue_offset;
  35
  36   inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
  37   void reduceDepth(Surface &sf, XImage *im) const;
  38   void verticalGradient(Surface &sf, const RenderTexture &texture) const;
  39   void diagonalGradient(Surface &sf, const RenderTexture &texture) const;
  40   void crossDiagonalGradient(Surface &sf, const RenderTexture &texture) const;
  41   virtual void drawGradientBackground(Surface &sf,
  42                                       const RenderTexture &texture) const;
  43
  44 public:
  45   TrueRenderControl(int screen);
  46   virtual ~TrueRenderControl();
  47
  48   virtual void drawBackground(Surface& sf, const RenderTexture &texture) const;
  49 };
  50
  51 }
  52
  53 #endif // __truerendercontrol_hh