void SurfaceT<T>::init( ImageSourceRef imageSource, const SurfaceConstraints &constraints, boost::tribool alpha )
{
int32_t width = imageSource->getWidth();
int32_t height = imageSource->getHeight();
bool hasAlpha;
if( alpha )
hasAlpha = true;
else if( ! alpha )
hasAlpha = false;
else
hasAlpha = imageSource->hasAlpha();
SurfaceChannelOrder channelOrder = constraints.getChannelOrder( hasAlpha );
int32_t rowBytes = constraints.getRowBytes( width, channelOrder, sizeof(T) );
T *data = new T[height * rowBytes];
mObj = std::shared_ptr<Obj>( new Obj( width, height, channelOrder, data, true, rowBytes ) );
mObj->mIsPremultiplied = imageSource->isPremultiplied();
std::shared_ptr<ImageTargetSurface<T> > target = ImageTargetSurface<T>::createRef( this );
imageSource->load( target );
// if the image doesn't have alpha but we do, set ourselves to be full alpha
if( hasAlpha && ( ! imageSource->hasAlpha() ) ) {
ip::fill( &getChannelAlpha(), CHANTRAIT<T>::max() );
}
}
ImageTargetFileWic::ImageTargetFileWic( DataTargetRef dataTarget, ImageSourceRef imageSource, const string &extensionData )
: ImageTarget(), mDataTarget( dataTarget )
{
mCodecGUID = getExtensionMap()[extensionData];
setSize( imageSource->getWidth(), imageSource->getHeight() );
// determine the pixel format we'll request
WICPixelFormatGUID formatGUID;
if( imageSource->hasAlpha() ) {
bool premultAlpha = imageSource->isPremultiplied();
// WIC doesn't support gray+alpha, so we need to do RGBA regardless
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = premultAlpha ? GUID_WICPixelFormat32bppPBGRA : GUID_WICPixelFormat32bppBGRA;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = premultAlpha ? GUID_WICPixelFormat64bppPRGBA : GUID_WICPixelFormat64bppRGBA;
else
formatGUID = premultAlpha ? GUID_WICPixelFormat128bppPRGBAFloat : GUID_WICPixelFormat128bppRGBAFloat;
}
else {
if( imageSource->getColorModel() == ImageIo::CM_GRAY ) {
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = GUID_WICPixelFormat8bppGray;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = GUID_WICPixelFormat16bppGray;
else
formatGUID = GUID_WICPixelFormat32bppGrayFloat;
}
else {
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = GUID_WICPixelFormat24bppBGR;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = GUID_WICPixelFormat48bppRGB;
else
formatGUID = GUID_WICPixelFormat128bppRGBFloat;
}
}
::HRESULT hr = S_OK;
msw::initializeCom();
// Create WIC factory
IWICImagingFactory *IWICFactoryP = NULL;
hr = ::CoCreateInstance( CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&IWICFactoryP) );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
shared_ptr<IWICImagingFactory> IWICFactory = msw::makeComShared( IWICFactoryP );
IWICBitmapEncoder *encoderP = NULL;
hr = IWICFactory->CreateEncoder( *mCodecGUID, 0, &encoderP );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
mEncoder = msw::makeComShared( encoderP );
// create the stream
IWICStream *pIWICStream = NULL;
hr = IWICFactory->CreateStream( &pIWICStream );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedLoad();
shared_ptr<IWICStream> stream = msw::makeComShared( pIWICStream );
// initialize the stream based on properties of the cinder::DataSouce
if( mDataTarget->providesFilePath() ) {
hr = stream->InitializeFromFilename( toUtf16( mDataTarget->getFilePath() ).c_str(), GENERIC_WRITE );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedLoad();
}
else {
shared_ptr<msw::ComOStream> comOStream = msw::makeComShared( new msw::ComOStream( mDataTarget->getStream() ) );
hr = stream->InitializeFromIStream( comOStream.get() );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedLoad();
}
hr = mEncoder->Initialize( stream.get(), WICBitmapEncoderNoCache );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
// create the frame encoder
IPropertyBag2 *pPropertybag = NULL;
IWICBitmapFrameEncode *pBitmapFrame = NULL;
hr = mEncoder->CreateNewFrame( &pBitmapFrame, &pPropertybag );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
mBitmapFrame = msw::makeComShared( pBitmapFrame );
hr = mBitmapFrame->Initialize( 0 );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
hr = mBitmapFrame->SetSize( mWidth, mHeight );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
// ask for our ideal pixel format and then process the one we actually get
hr = mBitmapFrame->SetPixelFormat( &formatGUID );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedLoad();
setupPixelFormat( formatGUID );
mData = shared_ptr<uint8_t>( new uint8_t[mHeight * mRowBytes], boost::checked_array_delete<uint8_t> );
}
ImageTargetFileWic::ImageTargetFileWic( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const string &extensionData )
: ImageTarget(), mDataTarget( dataTarget )
{
mCodecGUID = getExtensionMap()[extensionData];
setSize( imageSource->getWidth(), imageSource->getHeight() );
// determine the pixel format we'll request
WICPixelFormatGUID formatGUID;
if( imageSource->hasAlpha() ) {
bool premultAlpha = imageSource->isPremultiplied();
// WIC doesn't support gray+alpha, so we need to do RGBA regardless
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = premultAlpha ? GUID_WICPixelFormat32bppPBGRA : GUID_WICPixelFormat32bppBGRA;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = premultAlpha ? GUID_WICPixelFormat64bppPRGBA : GUID_WICPixelFormat64bppRGBA;
else
formatGUID = premultAlpha ? GUID_WICPixelFormat128bppPRGBAFloat : GUID_WICPixelFormat128bppRGBAFloat;
}
else {
ImageIo::ColorModel cm = options.isColorModelDefault() ? imageSource->getColorModel() : options.getColorModel();
if( cm == ImageIo::CM_GRAY ) {
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = GUID_WICPixelFormat8bppGray;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = GUID_WICPixelFormat16bppGray;
else
formatGUID = GUID_WICPixelFormat32bppGrayFloat;
}
else { // RGB
if( imageSource->getDataType() == ImageIo::UINT8 )
formatGUID = GUID_WICPixelFormat24bppBGR;
else if( imageSource->getDataType() == ImageIo::UINT16 )
formatGUID = GUID_WICPixelFormat48bppRGB;
else
formatGUID = GUID_WICPixelFormat128bppRGBFloat;
}
}
::HRESULT hr = S_OK;
msw::initializeCom();
// Create WIC factory
IWICImagingFactory *IWICFactoryP = NULL;
hr = ::CoCreateInstance( CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&IWICFactoryP) );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not create WIC Factory." );
shared_ptr<IWICImagingFactory> IWICFactory = msw::makeComShared( IWICFactoryP );
IWICBitmapEncoder *encoderP = NULL;
hr = IWICFactory->CreateEncoder( *mCodecGUID, 0, &encoderP );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not create WIC Encoder." );
mEncoder = msw::makeComShared( encoderP );
// create the stream
IWICStream *pIWICStream = NULL;
hr = IWICFactory->CreateStream( &pIWICStream );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedWrite( "Could not create WIC stream." );
shared_ptr<IWICStream> stream = msw::makeComShared( pIWICStream );
// initialize the stream based on properties of the cinder::DataSouce
if( mDataTarget->providesFilePath() ) {
#if defined( CINDER_WINRT)
std::string s = mDataTarget->getFilePath().string();
std::wstring filePath = std::wstring(s.begin(), s.end());
#else
std::wstring filePath = mDataTarget->getFilePath().wstring().c_str();
#endif
hr = stream->InitializeFromFilename( filePath.c_str(), GENERIC_WRITE );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedWrite( "Could not initialize WIC Stream from filename." );
}
else {
shared_ptr<msw::ComOStream> comOStream = msw::makeComShared( new msw::ComOStream( mDataTarget->getStream() ) );
hr = stream->InitializeFromIStream( comOStream.get() );
if( ! SUCCEEDED(hr) )
throw ImageIoExceptionFailedWrite( "Could not initialize WIC Stream from IStream." );
}
hr = mEncoder->Initialize( stream.get(), WICBitmapEncoderNoCache );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not initialize WIC Encoder." );
// create the frame encoder
IPropertyBag2 *pPropertybag = NULL;
IWICBitmapFrameEncode *pBitmapFrame = NULL;
hr = mEncoder->CreateNewFrame( &pBitmapFrame, &pPropertybag );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not ceate WIC Frame." );
mBitmapFrame = msw::makeComShared( pBitmapFrame );
// setup the propertyBag to express quality
PROPBAG2 option = { 0 };
option.pstrName = L"ImageQuality";
VARIANT varValue;
VariantInit(&varValue);
varValue.vt = VT_R4;
varValue.fltVal = options.getQuality();
hr = pPropertybag->Write( 1, &option, &varValue );
hr = mBitmapFrame->Initialize( pPropertybag );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not initialize WIC PROPBAG2." );
hr = mBitmapFrame->SetSize( mWidth, mHeight );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not set WIC Frame size." );
// ask for our ideal pixel format and then process the one we actually get
hr = mBitmapFrame->SetPixelFormat( &formatGUID );
if( ! SUCCEEDED( hr ) )
throw ImageIoExceptionFailedWrite( "Could not set WIC Frame pixel format." );
setupPixelFormat( formatGUID );
mData = shared_ptr<uint8_t>( new uint8_t[mHeight * mRowBytes], std::default_delete<uint8_t[]>() );
}