diff options
Diffstat (limited to 'libX11/src/xcms/cmsAllNCol.c')
| -rw-r--r-- | libX11/src/xcms/cmsAllNCol.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/libX11/src/xcms/cmsAllNCol.c b/libX11/src/xcms/cmsAllNCol.c new file mode 100644 index 000000000..efee0f6b3 --- /dev/null +++ b/libX11/src/xcms/cmsAllNCol.c @@ -0,0 +1,201 @@ +/* $Xorg: cmsAllNCol.c,v 1.3 2000/08/17 19:45:09 cpqbld Exp $ */ + +/* + * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc. + * All Rights Reserved + * + * This file is a component of an X Window System-specific implementation + * of Xcms based on the TekColor Color Management System. Permission is + * hereby granted to use, copy, modify, sell, and otherwise distribute this + * software and its documentation for any purpose and without fee, provided + * that this copyright, permission, and disclaimer notice is reproduced in + * all copies of this software and in supporting documentation. TekColor + * is a trademark of Tektronix, Inc. + * + * Tektronix makes no representation about the suitability of this software + * for any purpose. It is provided "as is" and with all faults. + * + * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE, + * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF + * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE. + * + * + * NAME + * XcmsAlNCol.c + * + * DESCRIPTION + * Source for XcmsAllocNamedColor + * + * + */ +/* $XFree86: xc/lib/X11/cmsAllNCol.c,v 1.4 2003/04/13 19:22:20 dawes Exp $ */ + +#define NEED_REPLIES +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include "Xlibint.h" +#include "Xcmsint.h" +#include "Cv.h" + + +/* + * NAME + * XcmsAllocNamedColor - + * + * SYNOPSIS + */ +Status +XcmsAllocNamedColor ( + Display *dpy, + Colormap cmap, + _Xconst char *colorname, + XcmsColor *pColor_scrn_return, + XcmsColor *pColor_exact_return, + XcmsColorFormat result_format) +/* + * DESCRIPTION + * Finds the color specification associated with the color + * name in the Device-Independent Color Name Database, then + * converts that color specification to an RGB format. This + * RGB value is then used in a call to XAllocColor to allocate + * a read-only color cell. + * + * RETURNS + * 0 if failed to parse string or find any entry in the database. + * 1 if succeeded in converting color name to XcmsColor. + * 2 if succeeded in converting color name to another color name. + * + */ +{ + long nbytes; + xAllocNamedColorReply rep; + xAllocNamedColorReq *req; + XColor hard_def; + XColor exact_def; + Status retval1 = 1; + Status retval2 = XcmsSuccess; + XcmsColor tmpColor; + XColor XColor_in_out; + XcmsCCC ccc; + + /* + * 0. Check for invalid arguments. + */ + if (dpy == NULL || colorname[0] == '\0' || pColor_scrn_return == 0 + || pColor_exact_return == NULL) { + return(XcmsFailure); + } + + if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) { + return(XcmsFailure); + } + + /* + * 1. Convert string to a XcmsColor using Xcms and i18n mechanism + */ + if ((retval1 = _XcmsResolveColorString(ccc, &colorname, + &tmpColor, result_format)) == XcmsFailure) { + return(XcmsFailure); + } + if (retval1 == _XCMS_NEWNAME) { + goto PassToServer; + } + memcpy((char *)pColor_exact_return, (char *)&tmpColor, sizeof(XcmsColor)); + + /* + * 2. Convert tmpColor to RGB + * Assume pColor_exact_return is now adjusted to Client White Point + */ + if ((retval2 = XcmsConvertColors(ccc, &tmpColor, + 1, XcmsRGBFormat, (Bool *) NULL)) == XcmsFailure) { + return(XcmsFailure); + } + + /* + * 3. Convert to XColor and call XAllocColor + */ + _XcmsRGB_to_XColor(&tmpColor, &XColor_in_out, 1); + if (XAllocColor(ccc->dpy, cmap, &XColor_in_out) == 0) { + return(XcmsFailure); + } + + /* + * 4. pColor_scrn_return + * + * Now convert to the target format. + * We can ignore the return value because we're already in a + * device-dependent format. + */ + _XColor_to_XcmsRGB(ccc, &XColor_in_out, pColor_scrn_return, 1); + if (result_format != XcmsRGBFormat) { + if (result_format == XcmsUndefinedFormat) { + result_format = pColor_exact_return->format; + } + if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format, + (Bool *) NULL) == XcmsFailure) { + return(XcmsFailure); + } + } + + return(retval1 > retval2 ? retval1 : retval2); + +PassToServer: + /* + * All previous methods failed, so lets pass it to the server + * for parsing. + */ + dpy = ccc->dpy; + 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(); + + /* + * Now convert to the target format. + */ + _XColor_to_XcmsRGB(ccc, &exact_def, pColor_exact_return, 1); + _XColor_to_XcmsRGB(ccc, &hard_def, pColor_scrn_return, 1); + if (result_format != XcmsRGBFormat + && result_format != XcmsUndefinedFormat) { + if (XcmsConvertColors(ccc, pColor_exact_return, 1, result_format, + (Bool *) NULL) == XcmsFailure) { + return(XcmsFailure); + } + if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format, + (Bool *) NULL) == XcmsFailure) { + return(XcmsFailure); + } + } + + return(XcmsSuccess); +} |