ScColorTransform ScLcmsColorMgmtEngineImpl::createProofingTransform(ScColorMgmtEngine& engine,
                                             const ScColorProfile& inputProfile , eColorFormat inputFormat,
	                                         const ScColorProfile& outputProfile, eColorFormat outputFormat,
                                             const ScColorProfile& proofProfile , eRenderIntent renderIntent, 
                                             eRenderIntent proofingIntent, long transformFlags)
{
	ScColorTransform transform(NULL);
	if (inputProfile.isNull() || outputProfile.isNull())
		return transform;
	int inputProfEngineID  = inputProfile.engine().engineID();
	int outputProfEngineID = outputProfile.engine().engineID();
	int proofProfEngineID  = proofProfile.engine().engineID();
	if ((engine.engineID()  != m_engineID) || (inputProfEngineID != m_engineID) || 
		(outputProfEngineID != m_engineID) || (proofProfEngineID != m_engineID))
		return transform;
	const ScLcmsColorProfileImpl* lcmsInputProf    = dynamic_cast<const ScLcmsColorProfileImpl*>(inputProfile.data());
	const ScLcmsColorProfileImpl* lcmsOutputProf   = dynamic_cast<const ScLcmsColorProfileImpl*>(outputProfile.data());
	const ScLcmsColorProfileImpl* lcmsProofingProf = dynamic_cast<const ScLcmsColorProfileImpl*>(proofProfile.data());
	if (!lcmsInputProf || !lcmsOutputProf || !lcmsProofingProf)
		return transform;

	long strategyFlags = 0;
	if (m_strategy.useBlackPointCompensation)
		strategyFlags |= Ctf_BlackPointCompensation;
	if (m_strategy.useBlackPreservation)
		strategyFlags |= Ctf_BlackPreservation;

	ScColorTransformInfo transInfo;
	transInfo.inputProfile    = inputProfile.productDescription();
	transInfo.outputProfile   = outputProfile.productDescription();
	transInfo.proofingProfile = proofProfile.productDescription();
	transInfo.inputFormat     = inputFormat;
	transInfo.outputFormat    = outputFormat;
	transInfo.renderIntent    = renderIntent;
	transInfo.proofingIntent  = proofingIntent;
	transInfo.flags = transformFlags | strategyFlags;

	DWORD lcmsFlags     = translateFlagsToLcmsFlags(transformFlags | strategyFlags);
	DWORD lcmsInputFmt  = translateFormatToLcmsFormat(inputFormat);
	DWORD lcmsOutputFmt = translateFormatToLcmsFormat(outputFormat);
	int   lcmsIntent    = translateIntentToLcmsIntent(renderIntent);
	int   lcmsPrfIntent = translateIntentToLcmsIntent(proofingIntent);

	if (transInfo.inputProfile != transInfo.proofingProfile)
	{
		if (transInfo.proofingProfile == transInfo.outputProfile)
		{
			transInfo.proofingIntent = Intent_Relative_Colorimetric;
			lcmsPrfIntent = translateIntentToLcmsIntent(Intent_Relative_Colorimetric);
		}
		transform = m_transformPool->findTransform(transInfo);
		if (transform.isNull())
		{
			cmsSetErrorHandler(&cmsErrorHandler);
			cmsHTRANSFORM hTransform = NULL;
			try
			{
				hTransform = cmsCreateProofingTransform(lcmsInputProf->m_profileHandle , lcmsInputFmt, 
														lcmsOutputProf->m_profileHandle, lcmsOutputFmt,
														lcmsProofingProf->m_profileHandle, lcmsIntent, 
														lcmsPrfIntent, lcmsFlags | cmsFLAGS_SOFTPROOFING);
				if (hTransform)
				{
					ScLcmsColorTransformImpl* newTrans = new ScLcmsColorTransformImpl(engine, hTransform);
					newTrans->setTransformInfo(transInfo);
					transform = ScColorTransform(dynamic_cast<ScColorTransformData*>(newTrans));
					m_transformPool->addTransform(transform, true);
				}
			}
			catch (lcmsException& e)
			{
				std::cerr << e.what() << std::endl;
				// #9922 : no idea why that crash in release mode
				/*if (transform.isNull() && hTransform)
					cmsDeleteTransform(hTransform);*/
				transform = ScColorTransform();
			}
			cmsSetErrorHandler(NULL);
		}
	}
	else
	{
		transformFlags  &= (~Ctf_Softproofing);
		transformFlags  &= (~Ctf_GamutCheck);
		lcmsFlags        = translateFlagsToLcmsFlags(transformFlags | strategyFlags);
		transInfo.flags  = transformFlags | strategyFlags;
		transInfo.renderIntent   = proofingIntent;
		transInfo.proofingIntent = (eRenderIntent) 0;
		if (transInfo.inputProfile == transInfo.outputProfile)
		{
			lcmsFlags |= cmsFLAGS_NULLTRANSFORM;
			transInfo.inputProfile    = QString();
			transInfo.outputProfile   = QString();
			transInfo.proofingProfile = QString();
			transInfo.renderIntent    = (eRenderIntent) 0;
			transInfo.proofingIntent  = (eRenderIntent) 0;
			transInfo.flags = 0;
		}
		transform = m_transformPool->findTransform(transInfo);
		if (transform.isNull())
		{
			cmsSetErrorHandler(&cmsErrorHandler);
			cmsHTRANSFORM hTransform = NULL;
			try
			{
				hTransform  = cmsCreateTransform(lcmsInputProf->m_profileHandle , lcmsInputFmt, 
											     lcmsOutputProf->m_profileHandle, lcmsOutputFmt, 
												 lcmsPrfIntent, lcmsFlags | cmsFLAGS_LOWRESPRECALC);
				if (hTransform)
				{
					ScLcmsColorTransformImpl* newTrans = new ScLcmsColorTransformImpl(engine, hTransform);
					newTrans->setTransformInfo(transInfo);
					transform = ScColorTransform(dynamic_cast<ScColorTransformData*>(newTrans));
					m_transformPool->addTransform(transform, true);
				}
			}
			catch (lcmsException& e)
			{
				std::cerr << e.what() << std::endl;
				// #9922 : no idea why that crash in release mode
				/*if (transform.isNull() && hTransform)
					cmsDeleteTransform(hTransform);*/
				transform = ScColorTransform();
			}
			cmsSetErrorHandler(NULL);
		}
	}
	return transform;
}
예제 #2
0
ScColorTransform ScLcms2ColorMgmtEngineImpl::createTransform(ScColorMgmtEngine& engine,
                                 const ScColorProfile& inputProfile , eColorFormat inputFormat,
	                             const ScColorProfile& outputProfile, eColorFormat outputFormat,
                                 eRenderIntent renderIntent, long transformFlags)
{
	ScColorTransform transform(NULL);
	if (inputProfile.isNull() || outputProfile.isNull())
		return transform;
	int inputProfEngineID  = inputProfile.engine().engineID();
	int outputProfEngineID = outputProfile.engine().engineID();
	if ((engine.engineID() != m_engineID) || (inputProfEngineID != m_engineID) || (outputProfEngineID != m_engineID))
		return transform;
	const ScLcms2ColorProfileImpl* lcmsInputProf  = dynamic_cast<const ScLcms2ColorProfileImpl*>(inputProfile.data());
	const ScLcms2ColorProfileImpl* lcmsOutputProf = dynamic_cast<const ScLcms2ColorProfileImpl*>(outputProfile.data());
	if (!lcmsInputProf || !lcmsOutputProf)
		return transform;

	transformFlags &= (~Ctf_Softproofing);
	transformFlags &= (~Ctf_GamutCheck);
	long strategyFlags = 0;
	if (m_strategy.useBlackPointCompensation)
		strategyFlags |= Ctf_BlackPointCompensation;
	if (m_strategy.useBlackPreservation)
		strategyFlags |= Ctf_BlackPreservation;

	ScColorTransformInfo transInfo;
	transInfo.inputProfile  = inputProfile.productDescription();
	transInfo.outputProfile = outputProfile.productDescription();
	transInfo.proofingProfile = QString();
	transInfo.inputFormat   = inputFormat;
	transInfo.outputFormat  = outputFormat;
	transInfo.renderIntent  = renderIntent;
	transInfo.proofingIntent = (eRenderIntent) 0;
	transInfo.flags = transformFlags | strategyFlags;

	bool nullTransform = false;
	if (transInfo.inputProfile == transInfo.outputProfile)
	{
		// This is a null transform
		transInfo.inputProfile    = QString();
		transInfo.outputProfile   = QString();
		transInfo.proofingProfile = QString();
		transInfo.renderIntent    = (eRenderIntent) 0;
		transInfo.proofingIntent  = (eRenderIntent) 0;
		transInfo.flags = 0;
		nullTransform = true;
	}

	transform = m_transformPool->findTransform(transInfo);
	if (transform.isNull())
	{
		cmsUInt32Number lcmsFlags     = translateFlagsToLcmsFlags(transformFlags | strategyFlags);
		cmsUInt32Number lcmsInputFmt  = translateFormatToLcmsFormat(inputFormat);
		cmsUInt32Number lcmsOutputFmt = translateFormatToLcmsFormat(outputFormat);
		int   lcmsIntent    = translateIntentToLcmsIntent(renderIntent);
		if (nullTransform)
			lcmsFlags |= cmsFLAGS_NULLTRANSFORM;
		cmsHTRANSFORM hTransform = NULL;
		hTransform = cmsCreateTransform(lcmsInputProf->m_profileHandle , lcmsInputFmt, 
										lcmsOutputProf->m_profileHandle, lcmsOutputFmt, 
										lcmsIntent, lcmsFlags | cmsFLAGS_LOWRESPRECALC);
		if (hTransform)
		{
			ScLcms2ColorTransformImpl* newTrans = new ScLcms2ColorTransformImpl(engine, hTransform);
			newTrans->setTransformInfo(transInfo);
			transform = ScColorTransform(dynamic_cast<ScColorTransformData*>(newTrans));
			m_transformPool->addTransform(transform, true);
		}
	}
	return transform;
}