]> Dogcows Code - chaz/openbox/blob - otk/rendercontrol.hh
371198468107ff585af072e841127faa65dc1424
[chaz/openbox] / 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 #include <X11/Xutil.h>
8 }
9
10 namespace otk {
11
12 class ScreenInfo;
13 class Surface;
14 class RenderTexture;
15
16 class RenderControl {
17 protected:
18 const ScreenInfo *_screen;
19
20 /*
21 // color tables, meaning, 256 (possibly) different shades of each color,
22 // based on the number of bits there are available for each color in the
23 // visual
24 unsigned char _red_color_table[256];
25 unsigned char _green_color_table[256];
26 unsigned char _blue_color_table[256];
27 */
28
29 /*
30 Bool _dither;
31
32 int _cpc; // colors-per-channel: must be a value between [2,6]
33 int _bpp; // bits-per-pixel
34
35 unsigned int *_grad_xbuffer;
36 unsigned int *_grad_ybuffer;
37 unsigned int _grad_buffer_width;
38 unsigned int _grad_buffer_height;
39
40 unsigned long *_sqrt_table;
41
42 // These values are all determined based on a visual
43
44 int _red_bits; // the number of bits (1-255) that each shade of color
45 int _green_bits; // spans across. best case is 1, which gives 255 shades.
46 int _blue_bits;
47 unsigned char _red_color_table[256];
48 unsigned char _green_color_table[256];
49 unsigned char _blue_color_table[256];
50
51 // These are only used for TrueColor visuals
52 int _red_offset; // the offset of each color in a color mask
53 int _green_offset;
54 int _blue_offset;
55
56 // These are only used for !TrueColor visuals
57 XColor *_colors;
58 int _ncolors;
59 */
60
61 RenderControl(const ScreenInfo *screen);
62
63 public:
64 virtual ~RenderControl();
65
66 static RenderControl *getRenderControl(int screen);
67
68 virtual void drawBackground(Surface *sf,
69 const RenderTexture &texture) const = 0;
70 };
71
72 }
73
74 #endif // __rendercontrol_hh
This page took 0.041079 seconds and 4 git commands to generate.