private void SaveFrame(SafeMILHandle frameEncodeHandle, SafeMILHandle encoderOptions, BitmapFrame frame)
{
SetupFrame(frameEncodeHandle, encoderOptions);
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeInitialized;
// Set the size
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.SetSize(
frameEncodeHandle,
frame.PixelWidth,
frame.PixelHeight
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeSizeSet;
// Set the resolution
double dpiX = frame.DpiX;
double dpiY = frame.DpiY;
if (dpiX <= 0)
{
dpiX = 96;
}
if (dpiY <= 0)
{
dpiY = 96;
}
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.SetResolution(
frameEncodeHandle,
dpiX,
dpiY
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeResolutionSet;
if (_supportsFrameThumbnails)
{
// Set the thumbnail.
BitmapSource thumbnail = frame.Thumbnail;
if (thumbnail != null)
{
SafeMILHandle thumbnailHandle = thumbnail.WicSourceHandle;
lock (thumbnail.SyncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.SetThumbnail(
frameEncodeHandle,
thumbnailHandle
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeThumbnailSet;
}
}
}
// if the source has been color corrected, we want to use a corresponding color profile
if (frame._isColorCorrected)
{
ColorContext colorContext = new ColorContext(frame.Format);
IntPtr[] colorContextPtrs = new IntPtr[1] { colorContext.ColorContextHandle.DangerousGetHandle() };
int hr = UnsafeNativeMethods.WICBitmapFrameEncode.SetColorContexts(
frameEncodeHandle,
1,
colorContextPtrs
);
// It's possible that some encoders may not support color contexts so don't check hr
if (hr == HRESULT.S_OK)
{
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeColorContextsSet;
}
}
// if the caller has explicitly provided color contexts, add them to the encoder
else
{
IList<ColorContext> colorContexts = frame.ColorContexts;
if (colorContexts != null && colorContexts.Count > 0)
{
int count = colorContexts.Count;
// Marshal can't convert SafeMILHandle[] so we must
{
IntPtr[] colorContextPtrs = new IntPtr[count];
for (int i = 0; i < count; ++i)
{
colorContextPtrs[i] = colorContexts[i].ColorContextHandle.DangerousGetHandle();
}
int hr = UnsafeNativeMethods.WICBitmapFrameEncode.SetColorContexts(
frameEncodeHandle,
(uint)count,
colorContextPtrs
);
// It's possible that some encoders may not support color contexts so don't check hr
if (hr == HRESULT.S_OK)
{
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeColorContextsSet;
}
}
}
}
// Set the pixel format and palette
lock (frame.SyncObject)
{
SafeMILHandle outSourceHandle = new SafeMILHandle();
SafeMILHandle bitmapSourceHandle = frame.WicSourceHandle;
SafeMILHandle paletteHandle = new SafeMILHandle();
// Set the pixel format and palette of the bitmap.
// This could (but hopefully won't) introduce a format converter.
HRESULT.Check(UnsafeNativeMethods.WICCodec.WICSetEncoderFormat(
bitmapSourceHandle,
paletteHandle,
frameEncodeHandle,
out outSourceHandle
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeFormatSet;
_writeSourceHandles.Add(outSourceHandle);
// Set the metadata
if (_supportsFrameMetadata)
{
BitmapMetadata metadata = frame.Metadata as BitmapMetadata;
// If the frame has metadata associated with a different container format, then we ignore it.
if (metadata != null && metadata.GuidFormat == ContainerFormat)
{
SafeMILHandle /* IWICMetadataQueryWriter */ metadataHandle = new SafeMILHandle();
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.GetMetadataQueryWriter(
frameEncodeHandle,
out metadataHandle
));
PROPVARIANT propVar = new PROPVARIANT();
try
{
propVar.Init(metadata);
lock (metadata.SyncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICMetadataQueryWriter.SetMetadataByName(
metadataHandle,
"/",
ref propVar
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeMetadataSet;
}
}
finally
{
propVar.Clear();
}
}
}
Int32Rect r = new Int32Rect();
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.WriteSource(
frameEncodeHandle,
outSourceHandle,
ref r
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeSourceWritten;
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.Commit(
frameEncodeHandle
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.FrameEncodeCommitted;
}
}
public virtual void Save(System.IO.Stream stream)
{
VerifyAccess();
EnsureBuiltIn();
EnsureUnmanagedEncoder();
// No-op to get rid of build error
if (_encodeState == EncodeState.None)
{
}
if (_hasSaved)
{
throw new InvalidOperationException(SR.Get(SRID.Image_OnlyOneSave));
}
if (_frames == null)
{
throw new System.NotSupportedException(SR.Get(SRID.Image_NoFrames, null));
}
int count = _frames.Count;
if (count <= 0)
{
throw new System.NotSupportedException(SR.Get(SRID.Image_NoFrames, null));
}
IntPtr comStream = IntPtr.Zero;
SafeMILHandle encoderHandle = _encoderHandle;
try
{
comStream = StreamAsIStream.IStreamFrom(stream);
// does this addref the stream?
HRESULT.Check(UnsafeNativeMethods.WICBitmapEncoder.Initialize(
encoderHandle,
comStream,
WICBitmapEncodeCacheOption.WICBitmapEncodeNoCache
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.EncoderInitialized;
// Save global thumbnail if any.
if (_thumbnail != null)
{
Debug.Assert(_supportsGlobalThumbnail);
SafeMILHandle thumbnailBitmapSource = _thumbnail.WicSourceHandle;
lock (_thumbnail.SyncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICBitmapEncoder.SetThumbnail(
encoderHandle,
thumbnailBitmapSource
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.EncoderThumbnailSet;
}
}
// Save global palette if any.
if (_palette != null && _palette.Colors.Count > 0)
{
SafeMILHandle paletteHandle = _palette.InternalPalette;
HRESULT.Check(UnsafeNativeMethods.WICBitmapEncoder.SetPalette(
encoderHandle,
paletteHandle
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.EncoderPaletteSet;
}
// Save global metadata if any.
if (_metadata != null && _metadata.GuidFormat == ContainerFormat)
{
Debug.Assert(_supportsGlobalMetadata);
EnsureMetadata(false);
if (_metadata.InternalMetadataHandle != _metadataHandle)
{
PROPVARIANT propVar = new PROPVARIANT();
try
{
propVar.Init(_metadata);
lock (_metadata.SyncObject)
{
HRESULT.Check(UnsafeNativeMethods.WICMetadataQueryWriter.SetMetadataByName(
_metadataHandle,
"/",
ref propVar
));
}
}
finally
{
propVar.Clear();
}
}
}
for (int i = 0; i < count; i++)
{
SafeMILHandle frameEncodeHandle = new SafeMILHandle();
SafeMILHandle encoderOptions = new SafeMILHandle();
HRESULT.Check(UnsafeNativeMethods.WICBitmapEncoder.CreateNewFrame(
encoderHandle,
out frameEncodeHandle,
out encoderOptions
));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.EncoderCreatedNewFrame;
_frameHandles.Add(frameEncodeHandle);
SaveFrame(frameEncodeHandle, encoderOptions, _frames[i]);
// If multiple frames are not supported, break out
if (!_supportsMultipleFrames)
{
break;
}
}
// Now let the encoder know we are done encoding the file.
HRESULT.Check(UnsafeNativeMethods.WICBitmapEncoder.Commit(encoderHandle));
// Helpful for debugging stress and remote dumps
_encodeState = EncodeState.EncoderCommitted;
}
finally
{
UnsafeNativeMethods.MILUnknown.ReleaseInterface(ref comStream);
}
_hasSaved = true;
}
internal override void SetupFrame(SafeMILHandle frameEncodeHandle, SafeMILHandle encoderOptions)
{
PROPBAG2 propBag = new PROPBAG2();
PROPVARIANT propValue = new PROPVARIANT();
// There is only one encoder option supported here:
if (_interlaceOption != c_defaultInterlaceOption)
{
try
{
propBag.Init("InterlaceOption");
propValue.Init(_interlaceOption == PngInterlaceOption.On);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.Initialize(
frameEncodeHandle,
encoderOptions
));
}
internal override void SetupFrame(SafeMILHandle frameEncodeHandle, SafeMILHandle encoderOptions)
{
PROPBAG2 propBag = new PROPBAG2();
PROPVARIANT propValue = new PROPVARIANT();
if (_imagequalitylevel != c_defaultImageQualityLevel)
{
try
{
propBag.Init("ImageQuality");
propValue.Init((float)_imagequalitylevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_transformation != c_defaultTransformation)
{
try
{
propBag.Init("BitmapTransform");
propValue.Init((byte) _transformation);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_lossless != c_defaultLossless)
{
try
{
propBag.Init("Lossless");
propValue.Init((bool)_lossless);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_usecodecoptions != c_defaultUseCodecOptions)
{
try
{
propBag.Init("UseCodecOptions");
propValue.Init((bool)_usecodecoptions);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_qualitylevel != c_defaultQualityLevel)
{
try
{
propBag.Init("Quality");
propValue.Init((byte)_qualitylevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_subsamplinglevel != c_defaultSubsamplingLevel)
{
try
{
propBag.Init("Subsampling");
propValue.Init((byte)_subsamplinglevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_overlaplevel != c_defaultOverlapLevel)
{
try
{
propBag.Init("Overlap");
propValue.Init((byte)_overlaplevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_horizontaltileslices != c_defaultHorizontalTileSlices)
{
try
{
propBag.Init("HorizontalTileSlices");
propValue.Init((ushort)_horizontaltileslices );
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_verticaltileslices != c_defaultVerticalTileSlices)
{
try
{
propBag.Init("VerticalTileSlices");
propValue.Init((ushort)_verticaltileslices );
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_frequencyorder != c_defaultFrequencyOrder)
{
try
{
propBag.Init("FrequencyOrder");
propValue.Init((bool)_frequencyorder);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_interleavedalpha != c_defaultInterleavedAlpha)
{
try
{
propBag.Init("InterleavedAlpha");
propValue.Init((bool)_interleavedalpha);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_alphaqualitylevel != c_defaultAlphaQualityLevel)
{
try
{
propBag.Init("AlphaQuality");
propValue.Init((byte)_alphaqualitylevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_compresseddomaintranscode != c_defaultCompressedDomainTranscode)
{
try
{
propBag.Init("CompressedDomainTranscode");
propValue.Init((bool)_compresseddomaintranscode);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_imagedatadiscardlevel != c_defaultImageDataDiscardLevel)
{
try
{
propBag.Init("ImageDataDiscard");
propValue.Init((byte)_imagedatadiscardlevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_alphadatadiscardlevel != c_defaultAlphaDataDiscardLevel)
{
try
{
propBag.Init("AlphaDataDiscard");
propValue.Init((byte)_alphadatadiscardlevel);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_ignoreoverlap != c_defaultIgnoreOverlap)
{
try
{
propBag.Init("IgnoreOverlap");
propValue.Init((bool)_ignoreoverlap);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.Initialize(
frameEncodeHandle,
encoderOptions
));
}
internal override void SetupFrame(SafeMILHandle frameEncodeHandle, SafeMILHandle encoderOptions)
{
PROPBAG2 propBag = new PROPBAG2();
PROPVARIANT propValue = new PROPVARIANT();
// There are only two encoder options supported here:
if (_transformation != c_defaultTransformation)
{
try
{
propBag.Init("BitmapTransform");
propValue.Init((byte) _transformation);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
if (_qualityLevel != c_defaultQualityLevel)
{
try
{
propBag.Init("ImageQuality");
propValue.Init( ((float)_qualityLevel) / 100.0f);
HRESULT.Check(UnsafeNativeMethods.IPropertyBag2.Write(
encoderOptions,
1,
ref propBag,
ref propValue));
}
finally
{
propBag.Clear();
propValue.Clear();
}
}
HRESULT.Check(UnsafeNativeMethods.WICBitmapFrameEncode.Initialize(
frameEncodeHandle,
encoderOptions
));
}