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Diffstat (limited to 'libX11/src/xcms/AddSF.c')
| -rw-r--r-- | libX11/src/xcms/AddSF.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/libX11/src/xcms/AddSF.c b/libX11/src/xcms/AddSF.c new file mode 100644 index 000000000..395a23436 --- /dev/null +++ b/libX11/src/xcms/AddSF.c @@ -0,0 +1,147 @@ +/* $Xorg: AddSF.c,v 1.3 2000/08/17 19:44:29 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 + * XcmsAddSF.c + * + * DESCRIPTION + * Source for XcmsAddFunctionSet + * + * + */ +/* $XFree86$ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include "Xcmsint.h" +#include "Cv.h" + +/* + * DEFINES + */ +#define NextUnregDdCsID(lastid) \ + (XCMS_UNREG_ID(lastid) ? ++lastid : XCMS_FIRST_UNREG_DD_ID) +#define MIN(x,y) ((x) > (y) ? (y) : (x)) + + +/* + * NAME + * XcmsAddFunctionSet - Add an Screen Color Characterization + * Function Set + * + * SYNOPSIS + */ +Status +XcmsAddFunctionSet(XcmsFunctionSet *pNewFS) +/* + * DESCRIPTION + * Additional Screen Color Characterization Function Sets are + * managed on a global basis. This means that with exception + * of the provided DD color spaces: + * RGB and RGBi + * DD color spaces may have different XcmsColorFormat IDs between + * clients. So, you must be careful when using XcmsColorFormat + * across clients! Use the routines XcmsFormatOfPrefix() + * and XcmsPrefixOfFormat() appropriately. + * + * RETURNS + * XcmsSuccess if succeeded, otherwise XcmsFailure + * + * CAVEATS + * Additional Screen Color Characterization Function Sets + * should be added prior to any use of the routine + * XcmsCreateCCC(). If not, XcmsCCC structures created + * prior to the call of this routines will not have had + * a chance to initialize using the added Screen Color + * Characterization Function Set. + */ +{ + XcmsFunctionSet **papSCCFuncSets = _XcmsSCCFuncSets; + XcmsColorSpace **papNewCSs; + XcmsColorSpace *pNewCS, **paptmpCS; + XcmsColorFormat lastID = 0; + + + if (papSCCFuncSets != NULL) { + if ((papNewCSs = pNewFS->DDColorSpaces) == NULL) { + /* + * Error, new Screen Color Characterization Function Set + * missing color spaces + */ + return(XcmsFailure); + } + while ((pNewCS = *papNewCSs++) != NULL) { + if ((pNewCS->id = _XcmsRegFormatOfPrefix(pNewCS->prefix)) != 0) { + if (XCMS_DI_ID(pNewCS->id)) { + /* This is a Device-Independent Color Space */ + return(XcmsFailure); + } + /* + * REGISTERED DD Color Space + * therefore use the registered ID. + */ + } else { + /* + * UNREGISTERED DD Color Space + * then see if the color space is already in + * _XcmsDDColorSpaces. + * a. If same prefix, then use the same ID. + * b. Otherwise, use a new ID. + */ + for (paptmpCS = _XcmsDDColorSpaces; *paptmpCS != NULL; + paptmpCS++){ + lastID = MIN(lastID, (*paptmpCS)->id); + if (strcmp(pNewCS->prefix, (*paptmpCS)->prefix) == 0) { + pNewCS->id = (*paptmpCS)->id; + break; + } + } + if (pNewCS->id == 0) { + /* still haven't found one */ + pNewCS->id = NextUnregDdCsID(lastID); + if ((paptmpCS = (XcmsColorSpace **)_XcmsPushPointerArray( + (XPointer *) _XcmsDDColorSpaces, + (XPointer) pNewCS, + (XPointer *) _XcmsDDColorSpacesInit)) == NULL) { + return(XcmsFailure); + } + _XcmsDDColorSpaces = paptmpCS; + } + } + } + } + if ((papSCCFuncSets = (XcmsFunctionSet **) + _XcmsPushPointerArray((XPointer *) _XcmsSCCFuncSets, + (XPointer) pNewFS, + (XPointer *)_XcmsSCCFuncSetsInit)) == NULL) { + return(XcmsFailure); + } + _XcmsSCCFuncSets = papSCCFuncSets; + + return(XcmsSuccess); +} |