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109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/* $Xorg: GetColor.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */
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/*
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Copyright 1986, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/* $XFree86: xc/lib/X11/GetColor.c,v 1.6 2003/04/13 19:22:16 dawes Exp $ */
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#define NEED_REPLIES
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#include <stdio.h>
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#include "Xlibint.h"
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#include "Xcmsint.h"
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Status
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XAllocNamedColor(
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register Display *dpy,
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Colormap cmap,
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_Xconst char *colorname, /* STRING8 */
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XColor *hard_def, /* RETURN */
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XColor *exact_def) /* RETURN */
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{
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long nbytes;
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xAllocNamedColorReply rep;
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xAllocNamedColorReq *req;
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XcmsCCC ccc;
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XcmsColor cmsColor_exact;
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Status ret;
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/*
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* Let's Attempt to use Xcms and i18n approach to Parse Color
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*/
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if ((ccc = XcmsCCCOfColormap(dpy, cmap)) != (XcmsCCC)NULL) {
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const char *tmpName = colorname;
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switch (_XcmsResolveColorString(ccc, &tmpName, &cmsColor_exact,
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XcmsRGBFormat)) {
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case XcmsSuccess:
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case XcmsSuccessWithCompression:
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_XcmsRGB_to_XColor(&cmsColor_exact, exact_def, 1);
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memcpy((char *)hard_def, (char *)exact_def, sizeof(XColor));
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ret = XAllocColor(dpy, cmap, hard_def);
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exact_def->pixel = hard_def->pixel;
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return(ret);
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case XcmsFailure:
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case _XCMS_NEWNAME:
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/*
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* if the result was _XCMS_NEWNAME tmpName points to
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* a string in cmsColNm.c:pairs table, for example,
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* gray70 would become tekhvc:0.0/70.0/0.0
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*/
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break;
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}
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}
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/*
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* Xcms and i18n approach failed.
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*/
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LockDisplay(dpy);
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GetReq(AllocNamedColor, req);
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req->cmap = cmap;
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nbytes = req->nbytes = strlen(colorname);
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req->length += (nbytes + 3) >> 2; /* round up to mult of 4 */
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_XSend(dpy, colorname, nbytes);
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/* _XSend is more efficient that Data, since _XReply follows */
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if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return (0);
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}
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exact_def->red = rep.exactRed;
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exact_def->green = rep.exactGreen;
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exact_def->blue = rep.exactBlue;
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hard_def->red = rep.screenRed;
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hard_def->green = rep.screenGreen;
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hard_def->blue = rep.screenBlue;
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exact_def->pixel = hard_def->pixel = rep.pixel;
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UnlockDisplay(dpy);
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SyncHandle();
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return (1);
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}
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