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/*
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Copyright 1985, 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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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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XParseColor (
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register Display *dpy,
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Colormap cmap,
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_Xconst char *spec,
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XColor *def)
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{
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register int n, i;
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int r, g, b;
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char c;
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XcmsCCC ccc;
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XcmsColor cmsColor;
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if (!spec) return(0);
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n = strlen (spec);
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if (*spec == '#') {
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/*
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* RGB
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*/
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spec++;
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n--;
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if (n != 3 && n != 6 && n != 9 && n != 12)
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return (0);
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n /= 3;
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g = b = 0;
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do {
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r = g;
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g = b;
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b = 0;
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for (i = n; --i >= 0; ) {
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c = *spec++;
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b <<= 4;
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if (c >= '0' && c <= '9')
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b |= c - '0';
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else if (c >= 'A' && c <= 'F')
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b |= c - ('A' - 10);
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else if (c >= 'a' && c <= 'f')
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b |= c - ('a' - 10);
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else return (0);
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}
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} while (*spec != '\0');
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n <<= 2;
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n = 16 - n;
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def->red = r << n;
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def->green = g << n;
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def->blue = b << n;
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def->flags = DoRed | DoGreen | DoBlue;
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return (1);
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}
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#ifdef XCMS
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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 = spec;
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switch (_XcmsResolveColorString(ccc, &tmpName, &cmsColor,
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XcmsRGBFormat)) {
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case XcmsSuccess:
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case XcmsSuccessWithCompression:
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cmsColor.pixel = def->pixel;
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_XcmsRGB_to_XColor(&cmsColor, def, 1);
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return(1);
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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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#endif
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/*
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* Xcms and i18n methods failed, so lets pass it to the server
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* for parsing.
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*/
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{
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xLookupColorReply reply;
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register xLookupColorReq *req;
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LockDisplay(dpy);
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GetReq (LookupColor, req);
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req->cmap = cmap;
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req->nbytes = n = strlen(spec);
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req->length += (n + 3) >> 2;
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Data (dpy, spec, (long)n);
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if (!_XReply (dpy, (xReply *) &reply, 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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def->red = reply.exactRed;
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def->green = reply.exactGreen;
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def->blue = reply.exactBlue;
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def->flags = DoRed | DoGreen | DoBlue;
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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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}
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