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C++ DataTargetRef类代码示例

本文整理汇总了C++中DataTargetRef类的典型用法代码示例。如果您正苦于以下问题：C++ DataTargetRef类的具体用法？C++ DataTargetRef怎么用？C++ DataTargetRef使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了DataTargetRef类的12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: if

ImageTargetFileQuartz::ImageTargetFileQuartz( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string &extensionData )
	: cocoa::ImageTargetCgImage( imageSource, options )
{
	cocoa::SafeCfString uti = cocoa::createSafeCfString( extensionData );

	mImageDest = NULL;
	if( dataTarget->providesFilePath() ) {
		cocoa::SafeCfString pathString = cocoa::createSafeCfString( dataTarget->getFilePath().string() );
		const std::shared_ptr<__CFURL> urlRef( (__CFURL*)::CFURLCreateWithFileSystemPath( kCFAllocatorDefault, pathString.get(), kCFURLPOSIXPathStyle, false ), cocoa::safeCfRelease );
		mImageDest = ::CGImageDestinationCreateWithURL( urlRef.get(), uti.get(), 1, NULL );
	}
	else if( dataTarget->providesUrl() ) {
		std::shared_ptr<__CFURL> urlRef( (__CFURL*)cocoa::createCfUrl( dataTarget->getUrl() ), cocoa::safeCfRelease );
		mImageDest = ::CGImageDestinationCreateWithURL( urlRef.get(), uti.get(), 1, NULL );
	
	}
	else { // we'll wrap a cinder::OStream in a CGDataConsumer for output
		OStreamRef *ostreamRef = new OStreamRef( dataTarget->getStream() );
		::CGDataConsumerCallbacks callbacks;
		callbacks.putBytes = cgDataConsumerPutBytes;
		callbacks.releaseConsumer = cgDataConsumerRelease;
		std::shared_ptr<CGDataConsumer> consumer( ::CGDataConsumerCreate( ostreamRef, &callbacks ), ::CGDataConsumerRelease );
		mImageDest = ::CGImageDestinationCreateWithDataConsumer( consumer.get(), uti.get(), 1, NULL );
	}
	
	if( ! mImageDest )
		throw ImageIoExceptionFailedWrite();
		
	setupImageDestOptions( options );
}
开发者ID:var-const，项目名称:azureland，代码行数:30，代码来源:ImageTargetFileQuartz.cpp

示例2: defined

std::unique_ptr<TargetFile> TargetFile::create( const DataTargetRef &dataTarget, size_t sampleRate, size_t numChannels, SampleType sampleType, const std::string &extension )
{
#if ! defined( CINDER_WINRT ) || ( _MSC_VER > 1800 )
	std::string ext = dataTarget->getFilePathHint().extension().string();
#else
	std::string ext = dataTarget->getFilePathHint().extension();
#endif
	ext = ( ( ! ext.empty() ) && ( ext[0] == '.' ) ) ? ext.substr( 1, string::npos ) : ext;

#if defined( CINDER_COCOA )
	return std::unique_ptr<TargetFile>( new cocoa::TargetFileCoreAudio( dataTarget, sampleRate, numChannels, sampleType, ext ) );
#elif defined( CINDER_MSW ) || defined( CINDER_WINRT )
	return std::unique_ptr<TargetFile>( new msw::TargetFileMediaFoundation( dataTarget, sampleRate, numChannels, sampleType, ext ) );
#endif
}
开发者ID:Drakesinger，项目名称:Cinder，代码行数:15，代码来源:Target.cpp

示例3: write

void TriMesh::write( DataTargetRef dataTarget ) const
{
	OStreamRef out = dataTarget->getStream();
	
	const uint8_t versionNumber = 1;
	out->write( versionNumber );
	
	out->writeLittle( static_cast<uint32_t>( mVertices.size() ) );
	out->writeLittle( static_cast<uint32_t>( mNormals.size() ) );
	out->writeLittle( static_cast<uint32_t>( mTexCoords.size() ) );
	out->writeLittle( static_cast<uint32_t>( mIndices.size() ) );
	
	for( vector<Vec3f>::const_iterator it = mVertices.begin(); it != mVertices.end(); ++it ) {
		out->writeLittle( it->x ); out->writeLittle( it->y ); out->writeLittle( it->z );
	}

	for( vector<Vec3f>::const_iterator it = mNormals.begin(); it != mNormals.end(); ++it ) {
		out->writeLittle( it->x ); out->writeLittle( it->y ); out->writeLittle( it->z );
	}

	for( vector<Vec2f>::const_iterator it = mTexCoords.begin(); it != mTexCoords.end(); ++it ) {
		out->writeLittle( it->x ); out->writeLittle( it->y );
	}

	for( vector<size_t>::const_iterator it = mIndices.begin(); it != mIndices.end(); ++it ) {
		out->writeLittle( static_cast<uint32_t>( *it) );
	}
}
开发者ID:AaronMeyers，项目名称:Cinder，代码行数:28，代码来源:TriMesh.cpp

示例4: write

void JsonTree::write( DataTargetRef target, bool createDocument )
{
	// Declare output string
	string jsonString = "";

	try {
		
		// Create JsonCpp data to send to parser
		Json::Value value = createNativeDoc( createDocument );

		// This routine serializes JsonCpp data and formats it
		Json::StyledWriter writer;
		jsonString = writer.write( value.toStyledString() );
		boost::replace_all( jsonString, "\\n", "\r\n" );
		boost::replace_all( jsonString, "\\\"", "\"" );
		if( jsonString.length() >= 3 ) {
			jsonString = jsonString.substr( 1, boost::trim_copy( jsonString ).length() - 2 );
		}
		jsonString += "\0";
	}
	catch ( ... ) {
		throw ExcJsonParserError( "Unable to serialize JsonTree." );
	}

	// Save data to file
	OStreamRef os = target->getStream();
	os->writeData( jsonString.c_str(), jsonString.length() );
}
开发者ID:RudyOddity，项目名称:Cinder，代码行数:28，代码来源:Json.cpp

示例5: AudioFileExc

TargetFileCoreAudio::TargetFileCoreAudio( const DataTargetRef &dataTarget, size_t sampleRate, size_t numChannels, SampleType sampleType, const std::string &extension )
    : TargetFile( dataTarget, sampleRate, numChannels, sampleType )
{
    ::CFURLRef targetUrl = ci::cocoa::createCfUrl( Url( dataTarget->getFilePath().string() ) );
    ::AudioFileTypeID fileType = getFileTypeIdFromExtension( extension );

    ::AudioStreamBasicDescription fileAsbd;
    switch( mSampleType ) {
    case SampleType::INT_16:
        fileAsbd = createInt16Asbd( mSampleRate, mNumChannels, true );
        break;
    case SampleType::FLOAT_32:
        fileAsbd = createFloatAsbd( mSampleRate, mNumChannels, true );
        break;
    default:
        CI_ASSERT_NOT_REACHABLE();
    }

    ::ExtAudioFileRef audioFile;
    OSStatus status = ::ExtAudioFileCreateWithURL( targetUrl, fileType, &fileAsbd, nullptr, kAudioFileFlags_EraseFile, &audioFile );
    if( status == kAudioFileUnsupportedDataFormatError )
        throw AudioFileExc( string( "Extended Audio File Services: Unsupported format error, target file: " ) + dataTarget->getFilePath().string(), (int32_t)status );
    else if( status != noErr )
        throw AudioFileExc( string( "Extended Audio File Services faild: target file: " ) + dataTarget->getFilePath().string(), (int32_t)status );

    ::CFRelease( targetUrl );
    mExtAudioFile = ExtAudioFilePtr( audioFile );

    ::AudioStreamBasicDescription clientAsbd = createFloatAsbd( mSampleRate, mNumChannels, false );

    status = ::ExtAudioFileSetProperty( mExtAudioFile.get(), kExtAudioFileProperty_ClientDataFormat, sizeof( clientAsbd ), &clientAsbd );
    CI_VERIFY( status == noErr );

    mBufferList = createNonInterleavedBufferListShallow( mNumChannels );
}
开发者ID:Jornason，项目名称:Cinder，代码行数:35，代码来源:FileCoreAudio.cpp

示例6: write

void XmlTree::write( DataTargetRef target, bool createDocument )
{
	// this could do with a more efficient implementation
	shared_ptr<rapidxml::xml_document<char> > doc = createRapidXmlDoc( createDocument );
	OStreamRef os = target->getStream();
	std::ostringstream ss;
	ss << *doc;
	os->writeData( ss.str().c_str(), ss.str().length() );
}
开发者ID:Ahbee，项目名称:Cinder，代码行数:9，代码来源:Xml.cpp

示例7: getPathExtension

std::unique_ptr<TargetFile> TargetFile::create( const DataTargetRef &dataTarget, size_t sampleRate, size_t numChannels, const std::string &extension )
{
	std::string ext = ( ! extension.empty() ? extension : getPathExtension( dataTarget->getFilePathHint() ) );

#if defined( CINDER_COCOA )
	return std::unique_ptr<TargetFile>( new cocoa::TargetFileCoreAudio( dataTarget, sampleRate, numChannels, ext ) );
#elif defined( CINDER_MSW )
	return std::unique_ptr<TargetFile>(); // TODO
	//	return std::unique_ptr<TargetFile>( new msw::TargetFileMediaFoundation( dataTarget, sampleRate, numChannels, ext ) );
#endif
}
开发者ID:tmatma，项目名称:Cinder-Audio2，代码行数:11，代码来源:Target.cpp

示例8: write

 void SplinePath::write(DataTargetRef target)
 {
     auto stream = target->getStream();
     
     stream->writeLittle(size());
     
     for (auto &point : points)
     {
         stream->writeLittle(point.x);
         stream->writeLittle(point.y);
     }
 }
开发者ID:arielm，项目名称:new-chronotext-toolkit，代码行数:12，代码来源:SplinePath.cpp

示例9: ImageIoExceptionFailedWrite

ImageTargetFileTinyExr::ImageTargetFileTinyExr( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string & /*extensionData*/ )
{
	if( ! dataTarget->providesFilePath() ) {
		throw ImageIoExceptionFailedWrite( "ImageTargetFileTinyExr only supports writing to files." );
	}

	mFilePath = dataTarget->getFilePath();

	setSize( imageSource->getWidth(), imageSource->getHeight() );
	ImageIo::ColorModel cm = options.isColorModelDefault() ? imageSource->getColorModel() : options.getColorModel();
	
	switch( cm ) {
		case ImageIo::ColorModel::CM_RGB:
			mNumComponents = ( imageSource->hasAlpha() ) ? 4 : 3;
			setColorModel( ImageIo::ColorModel::CM_RGB );
			setChannelOrder( ( mNumComponents == 3 ) ? ImageIo::ChannelOrder::BGR : ImageIo::ChannelOrder::ABGR );
			if( mNumComponents == 3 )
				mChannelNames = { "G", "B", "R" };
			else
				mChannelNames = { "A", "G", "B", "R" };
		break;
		case ImageIo::ColorModel::CM_GRAY:
			mNumComponents = ( imageSource->hasAlpha() ) ? 2 : 1;
			setColorModel( ImageIo::ColorModel::CM_GRAY );
			setChannelOrder( ( mNumComponents == 2 ) ? ImageIo::ChannelOrder::YA : ImageIo::ChannelOrder::Y );
			if( mNumComponents == 2 )
				mChannelNames = { "Y", "A" };
			else
				mChannelNames = { "Y" };
		break;
		default:
			throw ImageIoExceptionIllegalColorModel();
	}

	// TODO: consider supporting half float and uint types as well
	setDataType( ImageIo::DataType::FLOAT32 );
	mData.resize( mHeight * imageSource->getWidth() * mNumComponents );
}
开发者ID:cinder，项目名称:cinder，代码行数:38，代码来源:ImageFileTinyExr.cpp

示例10: ImageIoExceptionFailedWrite

ImageTargetFileStbImage::ImageTargetFileStbImage( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string &extensionData )
{
	if( ! dataTarget->providesFilePath() ) {
		throw ImageIoExceptionFailedWrite( "ImageTargetFileStbImage only supports writing to files." );
	}

	mFilePath = dataTarget->getFilePath();

	setSize( imageSource->getWidth(), imageSource->getHeight() );
	ImageIo::ColorModel cm = options.isColorModelDefault() ? imageSource->getColorModel() : options.getColorModel();
	
	switch( cm ) {
		case ImageIo::ColorModel::CM_RGB:
			mNumComponents = ( imageSource->hasAlpha() ) ? 4 : 3;
			setColorModel( ImageIo::ColorModel::CM_RGB );
			setChannelOrder( ( mNumComponents == 4 ) ? ImageIo::ChannelOrder::RGBA : ImageIo::ChannelOrder::RGB );
		break;
		case ImageIo::ColorModel::CM_GRAY:
			mNumComponents = ( imageSource->hasAlpha() ) ? 2 : 1;
			setColorModel( ImageIo::ColorModel::CM_GRAY );
			setChannelOrder( ( mNumComponents == 2 ) ? ImageIo::ChannelOrder::YA : ImageIo::ChannelOrder::Y );
		break;
		default:
			throw ImageIoExceptionIllegalColorModel();
	}

	mExtension = extensionData;
	if( mExtension == "hdr" ) { // Radiance files are always float*
		setDataType( ImageIo::DataType::FLOAT32 );
		mRowBytes = mNumComponents * imageSource->getWidth() * sizeof(float);
	}
	else {
		setDataType( ImageIo::DataType::UINT8 );
		mRowBytes = mNumComponents * imageSource->getWidth() * sizeof(float);
	}
	
	mData = std::unique_ptr<uint8_t[]>( new uint8_t[mWidth * mRowBytes] );
}
开发者ID:ARTisERR0R，项目名称:Cinder，代码行数:38，代码来源:ImageTargetFileStbImage.cpp

示例11: writeImage

void writeImage( DataTargetRef dataTarget, const ImageSourceRef &imageSource, ImageTarget::Options options, string extension )
{
#if defined( CINDER_COCOA ) // this is necessary to limit the lifetime of the objc-based loader's allocations
	cocoa::SafeNsAutoreleasePool autorelease;
#endif

	if( extension.empty() )
		extension = getPathExtension( dataTarget->getFilePathHint() );
	
	ImageTargetRef imageTarget = ImageIoRegistrar::createTarget( dataTarget, imageSource, options, extension );
	if( imageTarget ) {
		writeImage( imageTarget, imageSource );
	}
	else
		throw ImageIoExceptionUnknownExtension();
}
开发者ID:todayman，项目名称:Cinder，代码行数:16，代码来源:ImageIo.cpp

示例12: AudioFileExc

TargetFileMediaFoundation::TargetFileMediaFoundation( const DataTargetRef &dataTarget, size_t sampleRate, size_t numChannels, SampleType sampleType, const std::string &extension )
	: TargetFile( dataTarget, sampleRate, numChannels, sampleType ), mStreamIndex( 0 )
{
	MediaFoundationInitializer::initMediaFoundation();

	::IMFSinkWriter *sinkWriter;
	HRESULT hr = ::MFCreateSinkWriterFromURL( dataTarget->getFilePath().wstring().c_str(), NULL, NULL, &sinkWriter );
	if( hr != S_OK ) {
		string errorString = string( "TargetFileMediaFoundation: Failed to create SinkWriter from URL: " ) +  dataTarget->getFilePath().string(); 
		if( hr == HRESULT_FROM_WIN32( ERROR_FILE_NOT_FOUND ) )
			errorString += ", file not found.";
		throw AudioFileExc( errorString );
	}

	mSinkWriter = ci::msw::makeComUnique( sinkWriter );

	mSampleSize = getBytesPerSample( mSampleType );
	const UINT32 bitsPerSample = 8 * mSampleSize;
	const WORD blockAlignment = mNumChannels * mSampleSize;
	const DWORD averageBytesPerSecond = mSampleRate * blockAlignment;

	// Set the output media type.

	IMFMediaType *mediaType;
	hr = ::MFCreateMediaType( &mediaType );
	CI_ASSERT( hr == S_OK );
	auto mediaTypeManaged = ci::msw::makeComUnique( mediaType );

	hr = mediaType->SetGUID( MF_MT_MAJOR_TYPE, MFMediaType_Audio );
	CI_ASSERT( hr == S_OK );

	const ::GUID audioFormat = getMfAudioFormat( mSampleType );
	hr = mediaType->SetGUID( MF_MT_SUBTYPE, audioFormat );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_AUDIO_SAMPLES_PER_SECOND, (UINT32)mSampleRate );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_AUDIO_BITS_PER_SAMPLE, bitsPerSample );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_AUDIO_BLOCK_ALIGNMENT, blockAlignment );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_AUDIO_AVG_BYTES_PER_SECOND, averageBytesPerSecond );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_AUDIO_NUM_CHANNELS, (UINT32)mNumChannels );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_ALL_SAMPLES_INDEPENDENT, 1 );
	CI_ASSERT( hr == S_OK );

	hr = mediaType->SetUINT32( MF_MT_FIXED_SIZE_SAMPLES, 1 );
	CI_ASSERT( hr == S_OK );

	hr = mSinkWriter->AddStream( mediaType, &mStreamIndex );
	CI_ASSERT( hr == S_OK );

	// Tell the sink writer to start accepting data.
	hr = mSinkWriter->BeginWriting();
	CI_ASSERT( hr == S_OK );
}
开发者ID:Drakesinger，项目名称:Cinder，代码行数:63，代码来源:FileMediaFoundation.cpp


注：本文中的DataTargetRef类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。