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C++ ScColorProfile::isNull方法代码示例

本文整理汇总了C++中ScColorProfile::isNull方法的典型用法代码示例。如果您正苦于以下问题：C++ ScColorProfile::isNull方法的具体用法？C++ ScColorProfile::isNull怎么用？C++ ScColorProfile::isNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ScColorProfile的用法示例。


在下文中一共展示了ScColorProfile::isNull方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createProfile_Lab

ScColorProfile ScLcmsColorMgmtEngineImpl::createProfile_Lab(ScColorMgmtEngine& engine)
{
	QString internalProfilePath("memprofile://Internal Lab profile");
	ScColorProfile profile = m_profileCache->profile(internalProfilePath);
	if (!profile.isNull())
		return profile;

	cmsHPROFILE lcmsProf = NULL;
	cmsSetErrorHandler(&cmsErrorHandler);
	try
	{
		lcmsProf = cmsCreateLabProfile(NULL);
		if (lcmsProf)
		{
			ScLcmsColorProfileImpl* profData = new ScLcmsColorProfileImpl(engine, lcmsProf);
			profData->m_profilePath = internalProfilePath;
			profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
			m_profileCache->addProfile(profile);
		}
		if (profile.isNull() && lcmsProf)
		{
			cmsCloseProfile(lcmsProf);
			lcmsProf = NULL;
		}
	}
	catch (lcmsException& e)
	{
		std::cerr << e.what() << std::endl;
		if (profile.isNull() && lcmsProf)
			cmsCloseProfile(lcmsProf);
		profile = ScColorProfile();
	}
	cmsSetErrorHandler(NULL);
	return profile;
}
开发者ID:piksels-and-lines-orchestra，项目名称:scribus，代码行数:35，代码来源:sclcmscolormgmtengineimpl.cpp

示例2: openProfileFromMem

ScColorProfile ScLcmsColorMgmtEngineImpl::openProfileFromMem(ScColorMgmtEngine& engine, const QByteArray& data)
{
	ScColorProfile profile;
	cmsHPROFILE lcmsProf = NULL;
	cmsSetErrorHandler(&cmsErrorHandler);
	try
	{
		lcmsProf = cmsOpenProfileFromMem((LPVOID) data.data(), data.size());
		if (lcmsProf)
		{
			ScLcmsColorProfileImpl* profData = new ScLcmsColorProfileImpl(engine, lcmsProf);
			QString desc = profData->productDescription();
			if (!desc.isEmpty())
				profData->m_profilePath = QString("memprofile://%1").arg(desc);
			profData->m_profileData = data;
			profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
		}
		if (profile.isNull() && lcmsProf)
		{
			cmsCloseProfile(lcmsProf);
			lcmsProf = NULL;
		}
	}
	catch (lcmsException& e)
	{
		std::cerr << e.what() << std::endl;
		if (profile.isNull() && lcmsProf)
			cmsCloseProfile(lcmsProf);
		profile = ScColorProfile();
	}
	cmsSetErrorHandler(NULL);
	return profile;
}
开发者ID:piksels-and-lines-orchestra，项目名称:scribus，代码行数:33，代码来源:sclcmscolormgmtengineimpl.cpp

示例3: file

ScColorProfile ScLcms2ColorMgmtEngineImpl::openProfileFromFile(ScColorMgmtEngine& engine, const QString& filePath)
{
	// Search profile in profile cache first
	ScColorProfile profile = m_profileCache->profile(filePath);
	if (!profile.isNull())
		return profile;
	cmsHPROFILE lcmsProf = NULL;
	QFile file(filePath);
	if (file.open(QFile::ReadOnly))
	{
		// We do not use lcms cmsOpenProfileFromFile() to avoid limitations
		// of I/O on 8bit filenames on Windows
		QByteArray data = file.readAll();
		if (!data.isEmpty())
		{
			lcmsProf = cmsOpenProfileFromMem(data.data(), data.size());
			if (lcmsProf)
			{
				ScLcms2ColorProfileImpl* profData = new ScLcms2ColorProfileImpl(engine, lcmsProf);
				profData->m_profileData = data;
				profData->m_profilePath = filePath;
				profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
				m_profileCache->addProfile(profile);
			}
			if (profile.isNull() && lcmsProf)
			{
				cmsCloseProfile(lcmsProf);
				lcmsProf = NULL;
			}
		}
		file.close();
	}
	return profile;
}
开发者ID:JLuc，项目名称:scribus，代码行数:34，代码来源:sclcms2colormgmtengineimpl.cpp

示例4: internalProfilePath

ScColorProfile ScLcms2ColorMgmtEngineImpl::createProfile_Lab(ScColorMgmtEngine& engine)
{
	QString internalProfilePath("memprofile://Internal Lab profile");
	ScColorProfile profile = m_profileCache->profile(internalProfilePath);
	if (!profile.isNull())
		return profile;

	cmsHPROFILE lcmsProf = cmsCreateLab2Profile(NULL);
	if (lcmsProf)
	{
		ScLcms2ColorProfileImpl* profData = new ScLcms2ColorProfileImpl(engine, lcmsProf);
		profData->m_profilePath = internalProfilePath;
		profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
		m_profileCache->addProfile(profile);
	}
	if (profile.isNull() && lcmsProf)
	{
		cmsCloseProfile(lcmsProf);
		lcmsProf = NULL;
	}
	return profile;
}
开发者ID:JLuc，项目名称:scribus，代码行数:22，代码来源:sclcms2colormgmtengineimpl.cpp

示例5: cmsOpenProfileFromMem

ScColorProfile ScLcms2ColorMgmtEngineImpl::openProfileFromMem(ScColorMgmtEngine& engine, const QByteArray& data)
{
	ScColorProfile profile;
	cmsHPROFILE	lcmsProf = cmsOpenProfileFromMem((const void *) data.data(), data.size());
	if (lcmsProf)
	{
		ScLcms2ColorProfileImpl* profData = new ScLcms2ColorProfileImpl(engine, lcmsProf);
		QString desc = profData->productDescription();
		if (!desc.isEmpty())
			profData->m_profilePath = QString("memprofile://%1").arg(desc);
		profData->m_profileData = data;
		profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
	}
	if (profile.isNull() && lcmsProf)
	{
		cmsCloseProfile(lcmsProf);
		lcmsProf = NULL;
	}
	return profile;
}
开发者ID:JLuc，项目名称:scribus，代码行数:20，代码来源:sclcms2colormgmtengineimpl.cpp

示例6: createProofingTransform

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())
//.........这里部分代码省略.........
开发者ID:piksels-and-lines-orchestra，项目名称:scribus，代码行数:101，代码来源:sclcmscolormgmtengineimpl.cpp

示例7: transform

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;
}
开发者ID:JLuc，项目名称:scribus，代码行数:71，代码来源:sclcms2colormgmtengineimpl.cpp


注：本文中的ScColorProfile::isNull方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。