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 extern "C" {
   8
   9 #ifdef HAVE_STDINT_H
  10 #  include <stdint.h>
  11 #else
  12 #  ifdef HAVE_SYS_TYPES_H
  13 #    include <sys/types.h>
  14 #  endif
  15 #endif
  16
  17 }
  18
  19 #include <vector>
  20
  21 namespace otk {
  22
  23 #ifdef HAVE_STDINT_H
  24 typedef uint32_t pixel32;
  25 typedef uint16_t pixel16;
  26 #else
  27 typedef u_int32_t pixel32;
  28 typedef u_int16_t pixel16;
  29 #endif /* HAVE_STDINT_H */
  30
  31 #ifdef WORDS_BIGENDIAN
  32 const int default_red_shift=0;
  33 const int default_green_shift=8;
  34 const int default_blue_shift=16;
  35 const int endian=MSBFirst;
  36 #else
  37 const int default_red_shift=16;
  38 const int default_green_shift=8;
  39 const int default_blue_shift=0;
  40 const int endian=LSBFirst;
  41 #endif /* WORDS_BIGENDIAN */
  42
  43 class TrueRenderControl : public RenderControl {
  44 private:
  45   // the number of bits to shift a color value (from 0-255) to the right, to
  46   // fit it into the the color mask (do this before the offset)
  47   int _red_shift;
  48   int _green_shift;
  49   int _blue_shift;
  50
  51   // the offset of each color in a color mask
  52   int _red_offset;
  53   int _green_offset;
  54   int _blue_offset;
  55
  56   inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
  57   void reduceDepth(XImage *im, pixel32 *data) const;
  58   void verticalGradient(Surface &sf, const RenderTexture &texture,
  59                         pixel32 *data) const;
  60   void diagonalGradient(Surface &sf, const RenderTexture &texture,
  61                         pixel32 *data) const;
  62   void crossDiagonalGradient(Surface &sf, const RenderTexture &texture,
  63                         pixel32 *data) const;
  64   virtual void drawGradientBackground(Surface &sf,
  65                                       const RenderTexture &texture) const;
  66
  67 public:
  68   TrueRenderControl(int screen);
  69   virtual ~TrueRenderControl();
  70
  71   virtual void drawBackground(Surface& sf, const RenderTexture &texture) const;
  72 };
  73
  74 }
  75
  76 #endif // __truerendercontrol_hh