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Diffstat (limited to 'libX11/src/xcms/CvColW.c')
| -rw-r--r-- | libX11/src/xcms/CvColW.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/libX11/src/xcms/CvColW.c b/libX11/src/xcms/CvColW.c new file mode 100644 index 000000000..d57a7666f --- /dev/null +++ b/libX11/src/xcms/CvColW.c @@ -0,0 +1,143 @@ +/* $Xorg: CvColW.c,v 1.3 2000/08/17 19:44:32 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 + * XcmsCvColW.c + * + * DESCRIPTION + * <overall description of what the package does> + * + * + */ +/* $XFree86: xc/lib/X11/CvColW.c,v 1.3 2001/01/17 19:41:34 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include "Xcmsint.h" +#include "Cv.h" + + +/************************************************************************ + * * + * API PRIVATE ROUTINES * + * * + ************************************************************************/ + + +/* + * NAME + * _XcmsConvertColorsWithWhitePt - Convert XcmsColor structures + * + * SYNOPSIS + */ +Status +_XcmsConvertColorsWithWhitePt( + XcmsCCC ccc, + XcmsColor *pColors_in_out, + XcmsColor *pWhitePt, + unsigned int nColors, + XcmsColorFormat newFormat, + Bool *pCompressed) +/* + * DESCRIPTION + * Convert XcmsColor structures between device-independent + * and/or device-dependent formats but allowing the calling + * routine to specify the white point to be associated + * with the color specifications (overriding + * ccc->clientWhitePt). + * + * This routine has been provided for use in white point + * adjustment routines. + * + * RETURNS + * XcmsFailure if failed, + * XcmsSuccess if succeeded without gamut compression, + * XcmsSuccessWithCompression if succeeded with gamut + * compression. + * + */ +{ + if (ccc == NULL || pColors_in_out == NULL || + pColors_in_out->format == XcmsUndefinedFormat) { + return(XcmsFailure); + } + + if (nColors == 0 || pColors_in_out->format == newFormat) { + /* do nothing */ + return(XcmsSuccess); + } + + if (XCMS_DI_ID(pColors_in_out->format) && XCMS_DI_ID(newFormat)) { + /* + * Device-Independent to Device-Independent Conversion + */ + return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors, + newFormat)); + } + if (XCMS_DD_ID(pColors_in_out->format) && XCMS_DD_ID(newFormat)) { + /* + * Device-Dependent to Device-Dependent Conversion + */ + return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat, + pCompressed)); + } + + /* + * Otherwise we have: + * 1. Device-Independent to Device-Dependent Conversion + * OR + * 2. Device-Dependent to Device-Independent Conversion + */ + + if (XCMS_DI_ID(pColors_in_out->format)) { + /* + * 1. Device-Independent to Device-Dependent Conversion + */ + /* First convert to CIEXYZ */ + if (_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors, + XcmsCIEXYZFormat) == XcmsFailure) { + return(XcmsFailure); + } + /* Then convert to DD Format */ + return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat, + pCompressed)); + } else { + /* + * 2. Device-Dependent to Device-Independent Conversion + */ + /* First convert to CIEXYZ */ + if (_XcmsDDConvertColors(ccc, pColors_in_out, nColors, + XcmsCIEXYZFormat, pCompressed) == XcmsFailure) { + return(XcmsFailure); + } + /* Then convert to DI Format */ + return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors, + newFormat)); + } +} |