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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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#include "color.h" |
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#include "x11raster.h" |
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extern char *malloc(), *realloc(), *calloc(); |
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XRASTER * |
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make_raster(disp, vis, npixbits, data, width, height, bm_pad) |
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Display *disp; |
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XVisualInfo *vis; |
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int npixbits; |
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char *data; |
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int width, height; |
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int bm_pad; |
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extern XRASTER * |
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make_raster( |
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Display *disp, |
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XVisualInfo *vis, |
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int npixbits, |
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char *data, |
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int width, |
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int height, |
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int bm_pad |
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) |
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{ |
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static long swaptest = 1; |
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register XRASTER *xr; |
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} |
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int |
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init_rcolors(xr, cmap) /* initialize colors */ |
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register XRASTER *xr; |
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BYTE cmap[][3]; |
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extern int |
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init_rcolors( /* initialize colors */ |
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register XRASTER *xr, |
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uby8 cmap[][3] |
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) |
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{ |
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register unsigned char *p; |
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register int i; |
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if (xr->image->depth > 8 | xr->ncolors != 0) |
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if ((xr->image->depth > 8) | (xr->ncolors != 0)) |
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return(xr->ncolors); |
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xr->pmap = (short *)malloc(256*sizeof(short)); |
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if (xr->pmap == NULL) |
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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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} |
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Colormap |
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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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Visual *vis; |
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extern Colormap |
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newcmap( /* get colormap and fix b & w */ |
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Display *disp, |
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int scrn, |
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Visual *vis |
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) |
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{ |
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XColor thiscolor; |
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unsigned long *pixels; |
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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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register XRASTER *xr; |
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Window w; |
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extern unsigned long * |
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map_rcolors( /* 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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{ |
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register int i; |
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register unsigned char *p; |
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if (xr->cmap == DefaultColormap(xr->disp, xr->screen)) |
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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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} |
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Pixmap |
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make_rpixmap(xr, w) /* make pixmap for raster */ |
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register XRASTER *xr; |
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Window w; |
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extern Pixmap |
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make_rpixmap( /* make pixmap for raster */ |
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register XRASTER *xr, |
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Window w |
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) |
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{ |
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XWindowAttributes xwattr; |
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Pixmap pm; |
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return(xr->pm = pm); |
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} |
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patch_raster(d, xsrc, ysrc, xdst, ydst, width, height, xr) /* redraw */ |
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Drawable d; |
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int xsrc, ysrc, xdst, ydst; |
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int width, height; |
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register XRASTER *xr; |
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extern void |
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patch_raster( /* redraw */ |
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Drawable d, |
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int xsrc, |
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int ysrc, |
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int xdst, |
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int ydst, |
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int width, |
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int height, |
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register XRASTER *xr |
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) |
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{ |
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if (xsrc >= xr->image->width || ysrc >= xr->image->height) |
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return; |
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} |
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unmap_rcolors(xr) /* free colors */ |
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register XRASTER *xr; |
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extern void |
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unmap_rcolors( /* free colors */ |
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register XRASTER *xr |
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) |
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{ |
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if (xr->pixels == NULL) |
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return; |
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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) /* release Pixmap */ |
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register XRASTER *xr; |
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extern void |
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free_rpixmap( /* release Pixmap */ |
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register XRASTER *xr |
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) |
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{ |
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if (xr->pm == 0) |
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return; |
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} |
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free_raster(xr) /* free raster data */ |
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register XRASTER *xr; |
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extern void |
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free_raster( /* free raster data */ |
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register XRASTER *xr |
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) |
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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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} |