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/* $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 1.4 2003/04/13 19:22:15 dawes Exp $ */
#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));
}
}
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