116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
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// -*- mode: C; indent-tabs-mode: nil; c-basic-offset: 2; -*-
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#ifndef __imagecontrol_h
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#define __imagecontrol_h
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <Python.h>
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struct OtkScreenInfo;
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struct OtkTimer;
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extern PyTypeObject OtkImageControl_Type;
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typedef struct OtkImageControl {
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struct OtkScreenInfo *screen;
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// for the pixmap cache
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struct OtkTimer *timer;
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unsigned long cache_max;
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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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} OtkImageControl;
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PyObject *OtkImageControl_New(int screen);
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/*
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inline bool doDither(void) { return dither; }
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inline const ScreenInfo* getScreenInfo() const { return screeninfo; }
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inline Window getDrawable(void) const { return window; }
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inline Visual *getVisual(void) { return screeninfo->visual(); }
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inline int getBitsPerPixel(void) const { return bits_per_pixel; }
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inline int getDepth(void) const { return screen_depth; }
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inline int getColorsPerChannel(void) const
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{ return colors_per_channel; }
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unsigned long getSqrt(unsigned int x);
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Pixmap renderImage(unsigned int width, unsigned int height,
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const BTexture &texture);
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void installRootColormap(void);
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void removeImage(Pixmap pixmap);
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void getColorTables(unsigned char **rmt, unsigned char **gmt,
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unsigned char **bmt,
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int *roff, int *goff, int *boff,
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int *rbit, int *gbit, int *bbit);
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void getXColorTable(XColor **c, int *n);
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void getGradientBuffers(unsigned int w, unsigned int h,
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unsigned int **xbuf, unsigned int **ybuf);
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void setDither(bool d) { dither = d; }
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static void timeout(BImageControl *t);
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private:
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bool dither;
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const ScreenInfo *screeninfo;
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OBTimer *timer;
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Colormap colormap;
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Window window;
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XColor *colors;
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int colors_per_channel, ncolors, screen_number, screen_depth,
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bits_per_pixel, red_offset, green_offset, blue_offset,
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red_bits, green_bits, blue_bits;
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unsigned char red_color_table[256], green_color_table[256],
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blue_color_table[256];
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unsigned int *grad_xbuffer, *grad_ybuffer, grad_buffer_width,
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grad_buffer_height;
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unsigned long *sqrt_table, cache_max;
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typedef std::list<CachedImage> CacheContainer;
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CacheContainer cache;
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Pixmap searchCache(const unsigned int width, const unsigned int height,
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const unsigned long texture,
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const BColor &c1, const BColor &c2);
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};
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*/
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#endif // __imagecontrol_h
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