/* $XConsortium: XGetColor.c,v 11.25 91/07/22 22:33:20 rws Exp $ */ /* Copyright Massachusetts Institute of Technology 1986 */ /* Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of M.I.T. not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. M.I.T. makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. */ #define NEED_REPLIES #include <stdio.h> #include "Xlibint.h" #include "Xcmsint.h" extern void _XcmsRGB_to_XColor(); #if NeedFunctionPrototypes Status XAllocNamedColor( register Display *dpy, Colormap cmap, _Xconst char *colorname, /* STRING8 */ XColor *hard_def, /* RETURN */ XColor *exact_def) /* RETURN */ #else Status XAllocNamedColor(dpy, cmap, colorname, hard_def, exact_def) register Display *dpy; Colormap cmap; char *colorname; /* STRING8 */ XColor *hard_def; /* RETURN */ XColor *exact_def; /* RETURN */ #endif { long nbytes; xAllocNamedColorReply rep; xAllocNamedColorReq *req; XcmsCCC ccc; XcmsColor cmsColor_exact; Status ret; /* * Let's Attempt to use TekCMS and i18n approach to Parse Color */ /* copy string to allow overwrite by _XcmsResolveColorString() */ if ((ccc = XcmsCCCOfColormap(dpy, cmap)) != (XcmsCCC)NULL) { if (_XcmsResolveColorString(ccc, &colorname, &cmsColor_exact, XcmsRGBFormat) != XcmsFailure) { _XcmsRGB_to_XColor(&cmsColor_exact, exact_def, 1); bcopy((char *)exact_def, (char *)hard_def, sizeof(XColor)); ret = XAllocColor(dpy, cmap, hard_def); exact_def->pixel = hard_def->pixel; return(ret); } /* * Otherwise we failed; or colorname was changed with yet another * name. Thus pass name to the X Server. */ } /* * TekCMS and i18n approach failed. */ LockDisplay(dpy); GetReq(AllocNamedColor, req); req->cmap = cmap; nbytes = req->nbytes = strlen(colorname); req->length += (nbytes + 3) >> 2; /* round up to mult of 4 */ _XSend(dpy, colorname, nbytes); /* _XSend is more efficient that Data, since _XReply follows */ if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { UnlockDisplay(dpy); SyncHandle(); return (0); } exact_def->red = rep.exactRed; exact_def->green = rep.exactGreen; exact_def->blue = rep.exactBlue; hard_def->red = rep.screenRed; hard_def->green = rep.screenGreen; hard_def->blue = rep.screenBlue; exact_def->pixel = hard_def->pixel = rep.pixel; UnlockDisplay(dpy); SyncHandle(); return (1); }