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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __rendercontrol_hh
   3 #define __rendercontrol_hh
   4
   5 extern "C" {
   6 #include <X11/Xlib.h>
   7 }
   8
   9 namespace otk {
  10
  11 class ScreenInfo;
  12
  13 class RenderControl {
  14 protected:
  15   const ScreenInfo *_screen;
  16 /*
  17   Bool _dither;
  18
  19   int _cpc; // colors-per-channel: must be a value between [2,6]
  20   int _bpp; // bits-per-pixel
  21
  22   unsigned int *_grad_xbuffer;
  23   unsigned int *_grad_ybuffer;
  24   unsigned int _grad_buffer_width;
  25   unsigned int _grad_buffer_height;
  26
  27   unsigned long *_sqrt_table;
  28
  29   // These values are all determined based on a visual
  30
  31   int _red_bits;    // the number of bits (1-255) that each shade of color
  32   int _green_bits;  // spans across. best case is 1, which gives 255 shades.
  33   int _blue_bits;
  34   unsigned char _red_color_table[256];
  35   unsigned char _green_color_table[256];
  36   unsigned char _blue_color_table[256];
  37
  38   // These are only used for TrueColor visuals
  39   int _red_offset;  // the offset of each color in a color mask
  40   int _green_offset;
  41   int _blue_offset;
  42
  43   // These are only used for !TrueColor visuals
  44   XColor *_colors;
  45   int _ncolors;
  46 */
  47
  48   RenderControl(const ScreenInfo *screen);
  49
  50 public:
  51   virtual ~RenderControl();
  52
  53   static RenderControl *getRenderControl(int screen);
  54
  55   virtual void render(::Drawable d) = 0;
  56 };
  57
  58 }
  59
  60 #endif // __rendercontrol_hh