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greg |
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/* Copyright 1990 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* |
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* x11raster.h - header file for X routines using images. |
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* |
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* 3/1/90 |
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*/ |
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typedef struct { |
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Display *disp; /* the display */ |
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int screen; /* the screen */ |
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Visual *visual; /* pointer to visual used */ |
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XImage *image; /* the X image */ |
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GC gc; /* private graphics context */ |
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int ncolors; /* number of colors */ |
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XColor *cdefs; /* color definitions */ |
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short *pmap; /* inverse pixel mapping */ |
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unsigned long *pixels; /* allocated table entries */ |
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Colormap cmap; /* installed color map */ |
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Pixmap pm; /* storage on server side */ |
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} XRASTER; |
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extern unsigned long *map_rcolors(); |
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extern Pixmap make_rpixmap(); |
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extern XRASTER *make_raster(); |
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#define put_raster(d,xdst,ydst,xr) \ |
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patch_raster(d,0,0,xdst,ydst, \ |
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(xr)->image->width,(xr)->image->height,xr) |
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#define patch_raster(d,xsrc,ysrc,xdst,ydst,width,height,xr) \ |
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(((xr)->pm == 0) \ |
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? XPutImage((xr)->disp,d,(xr)->gc,(xr)->image,xsrc,ysrc, \ |
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xdst,ydst,width,height) \ |
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: XCopyArea((xr)->disp,(xr)->pm,d,(xr)->gc,xsrc,ysrc, \ |
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width,height,xdst,ydst)) |
