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141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/* $Xorg: CvColW.c,v 1.3 2000/08/17 19:44:32 cpqbld Exp $ */
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/*
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* Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
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* All Rights Reserved
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*
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* This file is a component of an X Window System-specific implementation
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* of Xcms based on the TekColor Color Management System. Permission is
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* hereby granted to use, copy, modify, sell, and otherwise distribute this
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* software and its documentation for any purpose and without fee, provided
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* that this copyright, permission, and disclaimer notice is reproduced in
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* all copies of this software and in supporting documentation. TekColor
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* is a trademark of Tektronix, Inc.
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*
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* Tektronix makes no representation about the suitability of this software
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* for any purpose. It is provided "as is" and with all faults.
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*
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* TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
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* INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
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*
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*
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*
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* NAME
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* XcmsCvColW.c
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*
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* DESCRIPTION
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* <overall description of what the package does>
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*
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*
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*/
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/* $XFree86: xc/lib/X11/CvColW.c,v 1.4 2003/04/13 19:22:15 dawes Exp $ */
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#include "Xlibint.h"
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#include "Xcmsint.h"
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#include "Cv.h"
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/************************************************************************
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* *
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* API PRIVATE ROUTINES *
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* *
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************************************************************************/
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/*
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* NAME
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* _XcmsConvertColorsWithWhitePt - Convert XcmsColor structures
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*
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* SYNOPSIS
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*/
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Status
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_XcmsConvertColorsWithWhitePt(
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XcmsCCC ccc,
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XcmsColor *pColors_in_out,
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XcmsColor *pWhitePt,
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unsigned int nColors,
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XcmsColorFormat newFormat,
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Bool *pCompressed)
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/*
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* DESCRIPTION
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* Convert XcmsColor structures between device-independent
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* and/or device-dependent formats but allowing the calling
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* routine to specify the white point to be associated
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* with the color specifications (overriding
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* ccc->clientWhitePt).
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*
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* This routine has been provided for use in white point
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* adjustment routines.
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*
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* RETURNS
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* XcmsFailure if failed,
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* XcmsSuccess if succeeded without gamut compression,
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* XcmsSuccessWithCompression if succeeded with gamut
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* compression.
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*
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*/
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{
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if (ccc == NULL || pColors_in_out == NULL ||
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pColors_in_out->format == XcmsUndefinedFormat) {
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return(XcmsFailure);
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}
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if (nColors == 0 || pColors_in_out->format == newFormat) {
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/* do nothing */
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return(XcmsSuccess);
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}
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if (XCMS_DI_ID(pColors_in_out->format) && XCMS_DI_ID(newFormat)) {
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/*
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* Device-Independent to Device-Independent Conversion
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*/
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return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
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newFormat));
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}
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if (XCMS_DD_ID(pColors_in_out->format) && XCMS_DD_ID(newFormat)) {
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/*
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* Device-Dependent to Device-Dependent Conversion
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*/
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return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat,
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pCompressed));
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}
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/*
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* Otherwise we have:
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* 1. Device-Independent to Device-Dependent Conversion
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* OR
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* 2. Device-Dependent to Device-Independent Conversion
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*/
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if (XCMS_DI_ID(pColors_in_out->format)) {
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/*
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* 1. Device-Independent to Device-Dependent Conversion
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*/
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/* First convert to CIEXYZ */
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if (_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
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XcmsCIEXYZFormat) == XcmsFailure) {
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return(XcmsFailure);
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}
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/* Then convert to DD Format */
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return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat,
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pCompressed));
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} else {
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/*
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* 2. Device-Dependent to Device-Independent Conversion
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*/
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/* First convert to CIEXYZ */
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if (_XcmsDDConvertColors(ccc, pColors_in_out, nColors,
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XcmsCIEXYZFormat, pCompressed) == XcmsFailure) {
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return(XcmsFailure);
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}
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/* Then convert to DI Format */
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return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
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newFormat));
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}
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}
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