diff options
Diffstat (limited to 'libX11/src/ParseCol.c')
| -rw-r--r-- | libX11/src/ParseCol.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/libX11/src/ParseCol.c b/libX11/src/ParseCol.c new file mode 100644 index 000000000..e500ec6c1 --- /dev/null +++ b/libX11/src/ParseCol.c @@ -0,0 +1,141 @@ +/* $Xorg: ParseCol.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */ +/* + +Copyright 1985, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/X11/ParseCol.c,v 1.6 2003/04/13 19:22:17 dawes Exp $ */ + +#define NEED_REPLIES +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include "Xlibint.h" +#include "Xcmsint.h" + + +Status +XParseColor ( + register Display *dpy, + Colormap cmap, + _Xconst char *spec, + XColor *def) +{ + register int n, i; + int r, g, b; + char c; + XcmsCCC ccc; + XcmsColor cmsColor; + + if (!spec) return(0); + n = strlen (spec); + if (*spec == '#') { + /* + * RGB + */ + spec++; + n--; + if (n != 3 && n != 6 && n != 9 && n != 12) + return (0); + n /= 3; + g = b = 0; + do { + r = g; + g = b; + b = 0; + for (i = n; --i >= 0; ) { + c = *spec++; + b <<= 4; + if (c >= '0' && c <= '9') + b |= c - '0'; + else if (c >= 'A' && c <= 'F') + b |= c - ('A' - 10); + else if (c >= 'a' && c <= 'f') + b |= c - ('a' - 10); + else return (0); + } + } while (*spec != '\0'); + n <<= 2; + n = 16 - n; + def->red = r << n; + def->green = g << n; + def->blue = b << n; + def->flags = DoRed | DoGreen | DoBlue; + return (1); + } + + +#ifdef XCMS + /* + * Let's Attempt to use Xcms and i18n approach to Parse Color + */ + if ((ccc = XcmsCCCOfColormap(dpy, cmap)) != (XcmsCCC)NULL) { + const char *tmpName = spec; + + switch (_XcmsResolveColorString(ccc, &tmpName, &cmsColor, + XcmsRGBFormat)) { + case XcmsSuccess: + case XcmsSuccessWithCompression: + cmsColor.pixel = def->pixel; + _XcmsRGB_to_XColor(&cmsColor, def, 1); + return(1); + case XcmsFailure: + case _XCMS_NEWNAME: + /* + * if the result was _XCMS_NEWNAME tmpName points to + * a string in cmsColNm.c:pairs table, for example, + * gray70 would become tekhvc:0.0/70.0/0.0 + */ + break; + } + } +#endif + + /* + * Xcms and i18n methods failed, so lets pass it to the server + * for parsing. + */ + { + xLookupColorReply reply; + register xLookupColorReq *req; + LockDisplay(dpy); + GetReq (LookupColor, req); + req->cmap = cmap; + req->nbytes = n = strlen(spec); + req->length += (n + 3) >> 2; + Data (dpy, spec, (long)n); + if (!_XReply (dpy, (xReply *) &reply, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return (0); + } + def->red = reply.exactRed; + def->green = reply.exactGreen; + def->blue = reply.exactBlue; + def->flags = DoRed | DoGreen | DoBlue; + UnlockDisplay(dpy); + SyncHandle(); + return (1); + } +} |