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 #else
  36 const int default_red_shift=16;
  37 const int default_green_shift=8;
  38 const int default_blue_shift=0;
  39 #endif /* WORDS_BIGENDIAN */
  40
  41 class TrueRenderControl : public RenderControl {
  42 private:
  43   // the number of bits to shift a color value (from 0-255) to the right, to
  44   // fit it into the the color mask (do this before the offset)
  45   int _red_shift;
  46   int _green_shift;
  47   int _blue_shift;
  48
  49   // the offset of each color in a color mask
  50   int _red_offset;
  51   int _green_offset;
  52   int _blue_offset;
  53
  54 public:
  55   TrueRenderControl(int screen);
  56   virtual ~TrueRenderControl();
  57
  58   virtual void drawBackground(Surface& sf, const RenderTexture &texture) const;
  59   virtual void drawGradientBackground(Surface &sf,
  60                                       const RenderTexture &texture) const;
  61
  62   inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
  63   void reduceDepth(XImage *im, pixel32 *data) const;
  64   void verticalGradient(Surface &sf, const RenderTexture &texture,
  65                         pixel32 *data) const;
  66   void diagonalGradient(Surface &sf, const RenderTexture &texture,
  67                         pixel32 *data) const;
  68   void crossDiagonalGradient(Surface &sf, const RenderTexture &texture,
  69                         pixel32 *data) const;
  70 };
  71
  72 }
  73
  74 #endif // __truerendercontrol_hh