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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __surface_hh
   3 #define __surface_hh
   4
   5 #include "size.hh"
   6
   7 extern "C" {
   8 #include <X11/Xlib.h>
   9 #define _XFT_NO_COMPAT_ // no Xft 1 API
  10 #include <X11/Xft/Xft.h>
  11
  12 #ifdef HAVE_STDINT_H
  13 #  include <stdint.h>
  14 #else
  15 #  ifdef HAVE_SYS_TYPES_H
  16 #    include <sys/types.h>
  17 #  endif
  18 #endif
  19 }
  20
  21 namespace otk {
  22
  23 class ScreenInfo;
  24 class RenderColor;
  25 class RenderControl;
  26 class TrueRenderControl;
  27 class PseudoRenderControl;
  28
  29 #ifdef HAVE_STDINT_H
  30 typedef uint32_t pixel32;
  31 typedef uint16_t pixel16;
  32 #else
  33 typedef u_int32_t pixel32;
  34 typedef u_int16_t pixel16;
  35 #endif /* HAVE_STDINT_H */
  36
  37 #ifdef WORDS_BIGENDIAN
  38 const int default_red_shift=0;
  39 const int default_green_shift=8;
  40 const int default_blue_shift=16;
  41 const int endian=MSBFirst;
  42 #else
  43 const int default_red_shift=16;
  44 const int default_green_shift=8;
  45 const int default_blue_shift=0;
  46 const int endian=LSBFirst;
  47 #endif /* WORDS_BIGENDIAN */
  48
  49 class Surface {
  50   int _screen;
  51   Size _size;
  52   pixel32 *_pixel_data;
  53   Pixmap _pixmap;
  54   XftDraw *_xftdraw;
  55
  56 protected:
  57   void createObjects();
  58   void destroyObjects();
  59
  60   void setPixmap(XImage *image);
  61   void setPixmap(const RenderColor &color);
  62
  63 public:
  64   Surface(int screen, const Size &size);
  65   virtual ~Surface();
  66
  67   inline int screen(void) const { return _screen; }
  68
  69   const Size& size() const { return _size; }
  70
  71   Pixmap pixmap() const { return _pixmap; }
  72
  73   pixel32 *pixelData() { return _pixel_data; }
  74
  75   //! Frees the pixel data when it will no longer be needed. Only do this once
  76   //! you have completed rendering onto the surface.
  77   void freePixelData();
  78
  79   // The RenderControl classes use the internal objects in this class to render
  80   // to it. Noone else needs them tho, so they are private.
  81   friend class RenderControl;
  82   friend class TrueRenderControl;
  83   friend class PseudoRenderControl;
  84 };
  85
  86 }
  87
  88 #endif // __surface_hh