/// <summary>
/// Construct a BitmapSource from an HICON.
/// </summary>
/// <param name="hicon"></param>
/// <param name="sourceRect"></param>
/// <param name="sizeOptions"></param>
internal InteropBitmap(IntPtr hicon, Int32Rect sourceRect, BitmapSizeOptions sizeOptions)
: base(true) // Use virtuals
{
SecurityHelper.DemandUnmanagedCode();
_bitmapInit.BeginInit();
using (FactoryMaker myFactory = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromHICON(
myFactory.ImagingFactoryPtr,
hicon,
out _unmanagedSource));
Debug.Assert(_unmanagedSource != null && !_unmanagedSource.IsInvalid);
}
_unmanagedSource.CalculateSize();
_sourceRect = sourceRect;
_sizeOptions = sizeOptions;
_syncObject = _unmanagedSource;
_bitmapInit.EndInit();
FinalizeCreation();
}
/// <summary>
///
/// </summary>
private void Init(Guid containerFormat, bool readOnly, bool fixedSize)
{
int hr = 0;
IntPtr /* IWICMetadataQueryWriter */ queryWriter = IntPtr.Zero;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
Guid vendorMicrosoft = new Guid(MILGuidData.GUID_VendorMicrosoft);
// If it's a metadata format, create a Query Writer to wrap it.
hr = UnsafeNativeMethods.WICImagingFactory.CreateQueryWriter(
factoryMaker.ImagingFactoryPtr,
ref containerFormat,
ref vendorMicrosoft,
out queryWriter
);
}
if (HRESULT.Succeeded(hr))
{
_readOnly = readOnly;
_fixedSize = fixedSize;
_blockWriter = null;
_metadataHandle = new SafeMILHandle(queryWriter);
_syncObject = _metadataHandle;
}
else
{
InitializeFromBlockWriter(containerFormat, readOnly, fixedSize);
}
}
///
/// Create from WICBitmapSource
///
private void InitFromWICSource(
SafeMILHandle wicSource
)
{
_bitmapInit.BeginInit();
BitmapSourceSafeMILHandle bitmapSource = null;
lock (_syncObject)
{
using (FactoryMaker factoryMaker = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromSource(
factoryMaker.ImagingFactoryPtr,
wicSource,
WICBitmapCreateCacheOptions.WICBitmapCacheOnLoad,
out bitmapSource));
}
bitmapSource.CalculateSize();
}
WicSourceHandle = bitmapSource;
_isSourceCached = true;
_bitmapInit.EndInit();
UpdateCachedSettings();
}
/// <summary>
/// Construct a BitmapSource from an HBITMAP.
/// </summary>
/// <param name="hbitmap"></param>
/// <param name="hpalette"></param>
/// <param name="sourceRect"></param>
/// <param name="sizeOptions"></param>
/// <param name="alphaOptions"></param>
internal InteropBitmap(IntPtr hbitmap, IntPtr hpalette, Int32Rect sourceRect, BitmapSizeOptions sizeOptions, WICBitmapAlphaChannelOption alphaOptions)
: base(true) // Use virtuals
{
_bitmapInit.BeginInit();
using (FactoryMaker myFactory = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromHBITMAP(
myFactory.ImagingFactoryPtr,
hbitmap,
hpalette,
alphaOptions,
out _unmanagedSource));
Debug.Assert(_unmanagedSource != null && !_unmanagedSource.IsInvalid);
}
_unmanagedSource.CalculateSize();
_sizeOptions = sizeOptions;
_sourceRect = sourceRect;
_syncObject = _unmanagedSource;
_bitmapInit.EndInit();
FinalizeCreation();
}
public void should_create_orc_army()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ORC);
IArmy army = kingdomFactory.CreateArmy();
Assert.Equal("This is Orc army", army.Description);
}
public void should_create_elven_king()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ELF);
IKing king = kingdomFactory.CreateKing();
Assert.Equal("This is Elven king", king.Description);
}
public void should_create_elven_army()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ELF);
IArmy army = kingdomFactory.CreateArmy();
Assert.Equal("This is Elven army", army.Description);
}
public void should_create_elven_castle()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ELF);
ICastle castle = kingdomFactory.CreateCastle();
Assert.Equal("This is Elven castle", castle.Description);
}
public void should_create_orc_castle()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ORC);
ICastle castle = kingdomFactory.CreateCastle();
Assert.Equal("This is Orc castle", castle.Description);
}
public void should_create_orc_king()
{
IKingdomFactory kingdomFactory = FactoryMaker.Create(KingdomType.ORC);
IKing king = kingdomFactory.CreateKing();
Assert.Equal("This is Orc king", king.Description);
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
BitmapSourceSafeMILHandle wicClipper = null;
Int32Rect rect = SourceRect;
BitmapSource source = Source;
if (rect.IsEmpty)
{
rect.Width = source.PixelWidth;
rect.Height = source.PixelHeight;
}
using (FactoryMaker factoryMaker = new FactoryMaker())
{
try
{
IntPtr wicFactory = factoryMaker.ImagingFactoryPtr;
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapClipper(
wicFactory,
out wicClipper));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapClipper.Initialize(
wicClipper,
source.WicSourceHandle,
ref rect));
}
//
// This is just a link in a BitmapSource chain. The memory is being used by
// the BitmapSource at the end of the chain, so no memory pressure needs
// to be added here.
//
WicSourceHandle = wicClipper;
_isSourceCached = source.IsSourceCached;
wicClipper = null;
}
catch
{
_bitmapInit.Reset();
throw;
}
finally
{
if (wicClipper != null)
{
wicClipper.Close();
}
}
}
CreationCompleted = true;
UpdateCachedSettings();
}
static internal SafeMILHandle CreateInternalPalette()
{
SafeMILHandle palette = null;
using (FactoryMaker myFactory = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreatePalette(
myFactory.ImagingFactoryPtr,
out palette));
Debug.Assert(palette != null && !palette.IsInvalid);
}
return(palette);
}
static void Main(string[] args)
{
var program = new Program();
Console.WriteLine("Elf Kingdom");
program.createKingdom(FactoryMaker.makeFactory(KingdomType.ELF));
Console.WriteLine(program.getArmy().getDescription());
Console.WriteLine(program.getCastle().getDescription());
Console.WriteLine(program.getKing().getDescription());
Console.WriteLine("Orc Kingdom");
program.createKingdom(FactoryMaker.makeFactory(KingdomType.ORC));
Console.WriteLine(program.getArmy().getDescription());
Console.WriteLine(program.getCastle().getDescription());
Console.WriteLine(program.getKing().getDescription());
}
/// <summary>
///
/// </summary>
private void InitializeFromMetadataWriter(SafeMILHandle metadataHandle, object syncObject)
{
int hr;
IntPtr queryWriter = IntPtr.Zero;
Guid guidVendor = new Guid(MILGuidData.GUID_VendorMicrosoft);
// Create a query writer for this metadata format
try
{
using (FactoryMaker factoryMaker = new FactoryMaker())
{
lock (syncObject)
{
hr = UnsafeNativeMethods.WICImagingFactory.CreateQueryWriterFromReader(
factoryMaker.ImagingFactoryPtr,
metadataHandle,
ref guidVendor,
out queryWriter);
}
}
if (HRESULT.Succeeded(hr))
{
_readOnly = false;
_fixedSize = false;
_blockWriter = null;
_metadataHandle = new SafeMILHandle(queryWriter);
queryWriter = IntPtr.Zero;
_syncObject = _metadataHandle;
}
else if (!HRESULT.IsWindowsCodecError(hr))
{
HRESULT.Check(hr);
}
}
finally
{
if (queryWriter != IntPtr.Zero)
{
#pragma warning suppress 6031 // Return value ignored on purpose.
UnsafeNativeMethods.MILUnknown.Release(queryWriter);
}
}
}
internal override void FinalizeCreation()
{
try
{
using (FactoryMaker myFactory = new FactoryMaker())
{
SafeMILHandle renderTargetBitmap = null;
HRESULT.Check(UnsafeNativeMethods.MILFactory2.CreateBitmapRenderTarget(
myFactory.FactoryPtr,
(uint)_pixelWidth,
(uint)_pixelHeight,
_format.Format,
(float)_dpiX,
(float)_dpiY,
MILRTInitializationFlags.MIL_RT_INITIALIZE_DEFAULT,
out renderTargetBitmap));
Debug.Assert(renderTargetBitmap != null && !renderTargetBitmap.IsInvalid);
BitmapSourceSafeMILHandle bitmapSource = null;
HRESULT.Check(MILRenderTargetBitmap.GetBitmap(
renderTargetBitmap,
out bitmapSource));
Debug.Assert(bitmapSource != null && !bitmapSource.IsInvalid);
lock (_syncObject)
{
_renderTargetBitmap = renderTargetBitmap;
bitmapSource.CalculateSize();
WicSourceHandle = bitmapSource;
// For the purpose of rendering a RenderTargetBitmap, we always treat it as if it's
// not cached. This is to ensure we never render and write to the same bitmap source
// by the UCE thread and managed thread.
_isSourceCached = false;
}
}
CreationCompleted = true;
UpdateCachedSettings();
}
catch
{
_bitmapInit.Reset();
throw;
}
}
/// <summary>
///
/// </summary>
private void InitializeFromBlockWriter(BitmapMetadataBlockWriter sourceBlockWriter, object syncObject)
{
IntPtr /* IWICMetadataBlockWriter */ blockWriter = IntPtr.Zero;
IntPtr /* IWICMetadataQueryWriter */ queryWriter = IntPtr.Zero;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
try
{
// Otherwise, simulate a metadata block writer for this imaging container format.
_blockWriter = new BitmapMetadataBlockWriter(sourceBlockWriter, syncObject);
blockWriter = Marshal.GetComInterfaceForObject(
_blockWriter,
typeof(System.Windows.Media.Imaging.BitmapMetadata.IWICMetadataBlockWriter));
HRESULT.Check(UnsafeNativeMethods.WICComponentFactory.CreateQueryWriterFromBlockWriter(
factoryMaker.ImagingFactoryPtr,
blockWriter,
ref queryWriter
));
_readOnly = false;
_fixedSize = false;
_metadataHandle = new SafeMILHandle(queryWriter);
queryWriter = IntPtr.Zero;
_syncObject = _metadataHandle;
}
finally
{
if (blockWriter != IntPtr.Zero)
{
#pragma warning suppress 6031 // Return value ignored on purpose.
UnsafeNativeMethods.MILUnknown.Release(blockWriter);
}
if (queryWriter != IntPtr.Zero)
{
#pragma warning suppress 6031 // Return value ignored on purpose.
UnsafeNativeMethods.MILUnknown.Release(queryWriter);
}
}
}
}
internal BitmapMetadataBlockWriter(BitmapMetadataBlockWriter blockWriter, object syncObject)
{
Guid guidVendor = new Guid(MILGuidData.GUID_VendorMicrosoft);
_fixedSize = blockWriter._fixedSize;
_containerFormat = blockWriter._containerFormat;
_metadataBlocks = new ArrayList();
ArrayList metadataBlocks = blockWriter.MetadataBlocks;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
foreach (SafeMILHandle metadataHandle in metadataBlocks)
{
lock (syncObject)
{
IntPtr pIMetadataWriter = IntPtr.Zero;
try
{
HRESULT.Check(UnsafeNativeMethods.WICComponentFactory.CreateMetadataWriterFromReader(
factoryMaker.ImagingFactoryPtr,
metadataHandle,
ref guidVendor,
out pIMetadataWriter
));
SafeMILHandle metadataWriter = new SafeMILHandle(pIMetadataWriter);
pIMetadataWriter = IntPtr.Zero;
_metadataBlocks.Add(metadataWriter);
}
finally
{
if (pIMetadataWriter != IntPtr.Zero)
{
#pragma warning suppress 6031 // Return value ignored on purpose.
UnsafeNativeMethods.MILUnknown.Release(pIMetadataWriter);
}
}
}
}
}
}
private void CopyCommon(RenderTargetBitmap sourceBitmap)
{
_bitmapInit.BeginInit();
_pixelWidth = sourceBitmap._pixelWidth;
_pixelHeight = sourceBitmap._pixelHeight;
_dpiX = sourceBitmap._dpiX;
_dpiY = sourceBitmap._dpiY;
_format = sourceBitmap._format;
//
// In order to make a deep clone we need to
// create a new bitmap with the contents of the
// existing bitmap and then create a render target
// from the new bitmap.
//
using (FactoryMaker myFactory = new FactoryMaker())
{
// Create an IWICBitmap
BitmapSourceSafeMILHandle newBitmapHandle = BitmapSource.CreateCachedBitmap(
null,
WicSourceHandle,
BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.OnLoad,
null);
lock (_syncObject)
{
WicSourceHandle = newBitmapHandle;
}
// Now create a Render target from that Bitmap
HRESULT.Check(UnsafeNativeMethods.MILFactory2.CreateBitmapRenderTargetForBitmap(
myFactory.FactoryPtr,
newBitmapHandle,
out _renderTargetBitmap
));
}
_bitmapInit.EndInit();
}
private void EnsureUnmanagedEncoder()
{
if (_encoderHandle == null)
{
using (FactoryMaker myFactory = new FactoryMaker())
{
SafeMILHandle encoderHandle = null;
Guid vendorMicrosoft = new Guid(MILGuidData.GUID_VendorMicrosoft);
Guid containerFormat = ContainerFormat;
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateEncoder(
myFactory.ImagingFactoryPtr,
ref containerFormat,
ref vendorMicrosoft,
out encoderHandle
));
_encoderHandle = encoderHandle;
}
}
}
/// <summary>
///
/// </summary>
static internal InPlaceBitmapMetadataWriter CreateFromDecoder(SafeMILHandle decoderHandle, object syncObject)
{
Invariant.Assert(decoderHandle != null);
SafeMILHandle /* IWICFastMetadataEncoder */ fmeHandle = null;
SafeMILHandle /* IWICMetadataQueryWriter */ metadataHandle = null;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
lock (syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateFastMetadataEncoderFromDecoder(
factoryMaker.ImagingFactoryPtr,
decoderHandle,
out fmeHandle));
}
}
HRESULT.Check(UnsafeNativeMethods.WICFastMetadataEncoder.GetMetadataQueryWriter(
fmeHandle,
out metadataHandle));
return(new InPlaceBitmapMetadataWriter(fmeHandle, metadataHandle, syncObject));
}
static internal InPlaceBitmapMetadataWriter CreateFromFrameDecode(BitmapSourceSafeMILHandle frameHandle, object syncObject)
{
Invariant.Assert(frameHandle != null);
SafeMILHandle /* IWICFastMetadataEncoder */ fmeHandle = null;
SafeMILHandle /* IWICMetadataQueryWriter */ metadataHandle = null;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
lock (syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateFastMetadataEncoderFromFrameDecode(
factoryMaker.ImagingFactoryPtr,
frameHandle,
out fmeHandle));
}
}
HRESULT.Check(UnsafeNativeMethods.WICFastMetadataEncoder.GetMetadataQueryWriter(
fmeHandle,
out metadataHandle));
return new InPlaceBitmapMetadataWriter(fmeHandle, metadataHandle, syncObject);
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
BitmapSourceSafeMILHandle wicFormatter = null;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
try
{
IntPtr wicFactory = factoryMaker.ImagingFactoryPtr;
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateFormatConverter(
wicFactory,
out wicFormatter));
SafeMILHandle internalPalette;
if (DestinationPalette != null)
{
internalPalette = DestinationPalette.InternalPalette;
}
else
{
internalPalette = new SafeMILHandle();
}
Guid format = DestinationFormat.Guid;
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICFormatConverter.Initialize(
wicFormatter,
Source.WicSourceHandle,
ref format,
DitherType.DitherTypeErrorDiffusion,
internalPalette,
AlphaThreshold,
WICPaletteType.WICPaletteTypeOptimal
));
}
//
// This is just a link in a BitmapSource chain. The memory is being used by
// the BitmapSource at the end of the chain, so no memory pressure needs
// to be added here.
//
WicSourceHandle = wicFormatter;
// Even if our source is cached, format conversion is expensive and so we'll
// always maintain our own cache for the purpose of rendering.
_isSourceCached = false;
}
catch
{
_bitmapInit.Reset();
throw;
}
finally
{
if (wicFormatter != null)
{
wicFormatter.Close();
}
}
}
CreationCompleted = true;
UpdateCachedSettings();
}
// ISupportInitialize
///
/// Create the unmanaged resources
///
internal override void FinalizeCreation()
{
BitmapSourceSafeMILHandle wicClipper = null;
BitmapSourceSafeMILHandle wicTransformer = null;
BitmapSourceSafeMILHandle transformedSource = _unmanagedSource;
HRESULT.Check(UnsafeNativeMethods.WICBitmap.SetResolution(_unmanagedSource, 96, 96));
using (FactoryMaker factoryMaker = new FactoryMaker())
{
IntPtr wicFactory = factoryMaker.ImagingFactoryPtr;
if (!_sourceRect.IsEmpty)
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapClipper(
wicFactory,
out wicClipper));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapClipper.Initialize(
wicClipper,
transformedSource,
ref _sourceRect));
}
transformedSource = wicClipper;
}
if (_sizeOptions != null)
{
if (_sizeOptions.DoesScale)
{
Debug.Assert(_sizeOptions.Rotation == Rotation.Rotate0);
uint width, height;
_sizeOptions.GetScaledWidthAndHeight(
(uint)_sizeOptions.PixelWidth,
(uint)_sizeOptions.PixelHeight,
out width,
out height);
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapScaler(
wicFactory,
out wicTransformer));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapScaler.Initialize(
wicTransformer,
transformedSource,
width,
height,
WICInterpolationMode.Fant));
}
}
else if (_sizeOptions.Rotation != Rotation.Rotate0)
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFlipRotator(
wicFactory,
out wicTransformer));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapFlipRotator.Initialize(
wicTransformer,
transformedSource,
_sizeOptions.WICTransformOptions));
}
}
if (wicTransformer != null)
{
transformedSource = wicTransformer;
}
}
WicSourceHandle = transformedSource;
// Since the original source is an HICON, HBITMAP or section, we know it's cached.
// FlipRotate and Clipper do not affect our cache performance.
_isSourceCached = true;
}
CreationCompleted = true;
UpdateCachedSettings();
}
public FactoryFixture()
{
elfFactory = FactoryMaker.makeFactory(KingdomType.ELF);
orcFactory = FactoryMaker.makeFactory(KingdomType.ORC);
}
private void InitFromMemoryPtr(
int pixelWidth,
int pixelHeight,
double dpiX,
double dpiY,
PixelFormat pixelFormat,
BitmapPalette palette,
IntPtr buffer,
int bufferSize,
int stride
)
{
if (pixelFormat.Palettized == true && palette == null)
{
throw new InvalidOperationException(SR.Get(SRID.Image_IndexedPixelFormatRequiresPalette));
}
if (pixelFormat.Format == PixelFormatEnum.Default && pixelFormat.Guid == WICPixelFormatGUIDs.WICPixelFormatDontCare)
{
throw new System.ArgumentException(
SR.Get(SRID.Effect_PixelFormat, pixelFormat),
"pixelFormat"
);
}
_bitmapInit.BeginInit();
try
{
BitmapSourceSafeMILHandle wicBitmap;
// Create the unmanaged resources
Guid guidFmt = pixelFormat.Guid;
using (FactoryMaker factoryMaker = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromMemory(
factoryMaker.ImagingFactoryPtr,
(uint)pixelWidth, (uint)pixelHeight,
ref guidFmt,
(uint)stride,
(uint)bufferSize,
buffer,
out wicBitmap));
wicBitmap.CalculateSize();
}
HRESULT.Check(UnsafeNativeMethods.WICBitmap.SetResolution(
wicBitmap,
dpiX,
dpiY));
if (pixelFormat.Palettized)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmap.SetPalette(
wicBitmap,
palette.InternalPalette));
}
WicSourceHandle = wicBitmap;
_isSourceCached = true;
}
catch
{
_bitmapInit.Reset();
throw;
}
_createOptions = BitmapCreateOptions.PreservePixelFormat;
_cacheOption = BitmapCacheOption.OnLoad;
_syncObject = WicSourceHandle;
_bitmapInit.EndInit();
UpdateCachedSettings();
}
/// <summary>
/// This method is part of an interface that is only called by way of WindowsCodec. It is not
/// publicly exposed or accessible in any way.
/// </summary>
public int InitializeFromBlockReader(
IntPtr /* IWICMetadataBlockReader */ pIBlockReader
)
{
Invariant.Assert(pIBlockReader != IntPtr.Zero);
int hr = MS.Win32.NativeMethods.S_OK;
UInt32 count = 0;
Guid guidVendor = new Guid(MILGuidData.GUID_VendorMicrosoft);
ArrayList metadataBlocks = new ArrayList();
hr = UnsafeNativeMethods.WICMetadataBlockReader.GetCount(
pIBlockReader,
out count
);
if (HRESULT.Succeeded(hr))
{
using (FactoryMaker factoryMaker = new FactoryMaker())
{
for (UInt32 i = 0; i < count; i++)
{
SafeMILHandle pIMetadataReader = null;
IntPtr pIMetadataWriter = IntPtr.Zero;
try
{
hr = UnsafeNativeMethods.WICMetadataBlockReader.GetReaderByIndex(
pIBlockReader,
i,
out pIMetadataReader
);
if (HRESULT.Failed(hr))
{
break;
}
hr = UnsafeNativeMethods.WICComponentFactory.CreateMetadataWriterFromReader(
factoryMaker.ImagingFactoryPtr,
pIMetadataReader,
ref guidVendor,
out pIMetadataWriter
);
if (HRESULT.Failed(hr))
{
break;
}
// pIMetadataWriter already has an active reference, give it to the safe handle.
SafeMILHandle metadataWriter = new SafeMILHandle(pIMetadataWriter);
pIMetadataWriter = IntPtr.Zero;
metadataBlocks.Add(metadataWriter);
}
finally
{
if (pIMetadataReader != null)
{
pIMetadataReader.Dispose();
}
if (pIMetadataWriter != IntPtr.Zero)
{
#pragma warning suppress 6031 // Return value ignored on purpose.
UnsafeNativeMethods.MILUnknown.Release(pIMetadataWriter);
}
}
}
}
_metadataBlocks = metadataBlocks;
}
return(hr);
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
BitmapSourceSafeMILHandle wicTransformer = null;
double scaleX, scaleY;
WICBitmapTransformOptions options;
GetParamsFromTransform(Transform, out scaleX, out scaleY, out options);
using (FactoryMaker factoryMaker = new FactoryMaker())
{
try
{
IntPtr wicFactory = factoryMaker.ImagingFactoryPtr;
wicTransformer = _source.WicSourceHandle;
if (!DoubleUtil.IsOne(scaleX) || !DoubleUtil.IsOne(scaleY))
{
uint width = Math.Max(1, (uint)(scaleX * _source.PixelWidth + 0.5));
uint height = Math.Max(1, (uint)(scaleY * _source.PixelHeight + 0.5));
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapScaler(
wicFactory,
out wicTransformer));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapScaler.Initialize(
wicTransformer,
_source.WicSourceHandle,
width,
height,
WICInterpolationMode.Fant));
}
}
if (options != WICBitmapTransformOptions.WICBitmapTransformRotate0)
{
// Rotations are extremely slow if we're pulling from a decoder because we end
// up decoding multiple times. Caching the source lets us rotate faster at the cost
// of increased memory usage.
wicTransformer = CreateCachedBitmap(
null,
wicTransformer,
BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.Default,
_source.Palette);
// BitmapSource.CreateCachedBitmap already calculates memory pressure for
// the new bitmap, so there's no need to do it before setting it to
// WicSourceHandle.
BitmapSourceSafeMILHandle rotator = null;
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFlipRotator(
wicFactory,
out rotator));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapFlipRotator.Initialize(
rotator,
wicTransformer,
options));
}
wicTransformer = rotator;
}
// If we haven't introduced either a scaler or rotator, add a null rotator
// so that our WicSourceHandle isn't the same as our Source's.
if (options == WICBitmapTransformOptions.WICBitmapTransformRotate0 &&
DoubleUtil.IsOne(scaleX) && DoubleUtil.IsOne(scaleY))
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFlipRotator(
wicFactory,
out wicTransformer));
lock (_syncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapFlipRotator.Initialize(
wicTransformer,
_source.WicSourceHandle,
WICBitmapTransformOptions.WICBitmapTransformRotate0));
}
}
WicSourceHandle = wicTransformer;
_isSourceCached = _source.IsSourceCached;
}
catch
{
_bitmapInit.Reset();
throw;
}
}
CreationCompleted = true;
UpdateCachedSettings();
}
