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/* Copyright 1990 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* x11raster.c - routines to handle images for X windows. |
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* |
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xr->cdefs[xr->ncolors].flags = DoRed|DoGreen|DoBlue; |
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xr->pmap[*p] = xr->ncolors++; |
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} |
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xr->cdefs = (XColor *)realloc((char *)xr->cdefs, |
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xr->cdefs = (XColor *)realloc((void *)xr->cdefs, |
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xr->ncolors*sizeof(XColor)); |
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if (xr->cdefs == NULL) |
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return(0); |
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Colormap |
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newcmap(disp, scrn, w, vis) /* get colormap and fix b & w */ |
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newcmap(disp, scrn, vis) /* get colormap and fix b & w */ |
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Display *disp; |
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int scrn; |
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Window w; |
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Visual *vis; |
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{ |
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XColor thiscolor; |
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int n; |
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register int i, j; |
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cmap = XCreateColormap(disp, w, vis, AllocNone); |
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if (cmap == 0) |
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return(0); |
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cmap = XCreateColormap(disp, RootWindow(disp,scrn), vis, AllocNone); |
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if (cmap == 0 || vis->class != PseudoColor) |
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return(cmap); |
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pixels=(unsigned long *)malloc(vis->map_entries*sizeof(unsigned long)); |
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if (pixels == NULL) |
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return(0); |
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i--; |
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} |
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XFreeColors(disp, cmap, pixels, n, 0); |
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free((char *)pixels); |
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free((void *)pixels); |
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return(cmap); |
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} |
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unsigned long * |
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map_rcolors(xr, w) /* get and assign pixels */ |
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map_rcolors(xr, w) /* get and assign pixels */ |
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register XRASTER *xr; |
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Window w; |
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{ |
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if (xr->visual == DefaultVisual(xr->disp, xr->screen)) |
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xr->cmap = DefaultColormap(xr->disp, xr->screen); |
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else |
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xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
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xr->cmap = newcmap(xr->disp, xr->screen, xr->visual); |
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while (XAllocColorCells(xr->disp, xr->cmap, 0, |
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NULL, 0, xr->pixels, xr->ncolors) == 0) |
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if (xr->cmap == DefaultColormap(xr->disp, xr->screen)) |
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xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
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xr->cmap = newcmap(xr->disp, xr->screen, xr->visual); |
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else { |
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free((char *)xr->pixels); |
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free((void *)xr->pixels); |
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xr->pixels = NULL; |
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return(NULL); |
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} |
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XFreeColors(xr->disp, xr->cmap, xr->pixels, xr->ncolors, 0); |
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if (xr->cmap != DefaultColormap(xr->disp, xr->screen)) |
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XFreeColormap(xr->disp, xr->cmap); |
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free((char *)xr->pixels); |
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free((void *)xr->pixels); |
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xr->pixels = NULL; |
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} |
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free_rpixmap(xr); |
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if (xr->ncolors > 0) { |
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unmap_rcolors(xr); |
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free((char *)xr->pmap); |
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free((char *)xr->cdefs); |
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free((void *)xr->pmap); |
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free((void *)xr->cdefs); |
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} |
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XDestroyImage(xr->image); |
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if (xr->gc != 0) |
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XFreeGC(xr->disp, xr->gc); |
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free((char *)xr); |
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free((void *)xr); |
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} |