74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
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#ifndef __rendercontrol_hh
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#define __rendercontrol_hh
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extern "C" {
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#include <X11/Xlib.h>
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}
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namespace otk {
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class ScreenInfo;
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class RenderControl {
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protected:
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const ScreenInfo *_screen;
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// the number of bits (1-255) that each shade of color spans across. best
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// case is 1, which gives 255 shades
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int _red_bits;
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int _green_bits;
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int _blue_bits;
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// color tables, meaning, 256 (possibly) different shades of each color,
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// based on the number of bits there are available for each color in the
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// visual
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unsigned char _red_color_table[256];
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unsigned char _green_color_table[256];
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unsigned char _blue_color_table[256];
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/*
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Bool _dither;
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int _cpc; // colors-per-channel: must be a value between [2,6]
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int _bpp; // bits-per-pixel
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unsigned int *_grad_xbuffer;
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unsigned int *_grad_ybuffer;
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unsigned int _grad_buffer_width;
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unsigned int _grad_buffer_height;
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unsigned long *_sqrt_table;
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// These values are all determined based on a visual
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int _red_bits; // the number of bits (1-255) that each shade of color
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int _green_bits; // spans across. best case is 1, which gives 255 shades.
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int _blue_bits;
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unsigned char _red_color_table[256];
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unsigned char _green_color_table[256];
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unsigned char _blue_color_table[256];
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// These are only used for TrueColor visuals
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int _red_offset; // the offset of each color in a color mask
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int _green_offset;
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int _blue_offset;
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// These are only used for !TrueColor visuals
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XColor *_colors;
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int _ncolors;
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*/
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RenderControl(const ScreenInfo *screen);
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public:
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virtual ~RenderControl();
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static RenderControl *getRenderControl(int screen);
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virtual void render(::Drawable d);
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};
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}
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#endif // __rendercontrol_hh
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