public static void Save(this IWICImagingFactory factory, IWICBitmapSource imageSource, IWICStream stream, Guid encoderId)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (imageSource == null)
{
throw new ArgumentNullException("imageSource");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
IWICBitmapEncoder iwicbitmapEncoder = factory.CreateEncoder(ref encoderId, null);
iwicbitmapEncoder.Initialize(stream, WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache);
IWICBitmapFrameEncode iwicbitmapFrameEncode;
iwicbitmapEncoder.CreateNewFrame(out iwicbitmapFrameEncode, null);
iwicbitmapFrameEncode.Initialize(null);
iwicbitmapFrameEncode.WriteSource(imageSource, null);
iwicbitmapFrameEncode.Commit();
iwicbitmapEncoder.Commit();
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmapEncoder);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmapFrameEncode);
}
public static void FillBlobFromBitmapSource(this IWICImagingFactory factory, IWICBitmapSource source, IntPtr blob, int bufferStride, int bufferSize, Guid imageFormat)
{
IWICBitmapSource iwicbitmapSource = factory.ConvertFormat(source, imageFormat);
iwicbitmapSource.FillBlobFromBitmapSource(blob, bufferStride, bufferSize);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmapSource);
}
public static void CheckNativeResult(int hr)
{
if (GraphicsInteropNativeMethods.Failed(hr))
{
throw Marshal.GetExceptionForHR(hr);
}
}
public static void Save(this IWICImagingFactory factory, IWICBitmapSource imageSource, string fileName)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (imageSource == null)
{
throw new ArgumentNullException("imageSource");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
string extension = Path.GetExtension(fileName);
if (string.IsNullOrEmpty(extension))
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "File name '{0}' does not have an extension so encoder type can not be determined.", new object[]
{
fileName
}));
}
Guid encoderId;
if (extension.Equals(".jpg", StringComparison.OrdinalIgnoreCase) || extension.Equals(".jpeg", StringComparison.OrdinalIgnoreCase))
{
encoderId = WicGuids.GUID_ContainerFormatJpeg;
}
else if (extension.Equals(".png", StringComparison.OrdinalIgnoreCase))
{
encoderId = WicGuids.GUID_ContainerFormatPng;
}
else if (extension.Equals(".bmp", StringComparison.OrdinalIgnoreCase))
{
encoderId = WicGuids.GUID_ContainerFormatBmp;
}
else
{
if (!extension.Equals(".tiff", StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "File name '{0}' has extension {1} which we can't handle.", new object[]
{
fileName,
extension
}));
}
encoderId = WicGuids.GUID_ContainerFormatTiff;
}
IWICStream iwicstream;
factory.CreateStream(out iwicstream);
iwicstream.InitializeFromFilename(fileName, GenericAccess.GENERIC_WRITE);
factory.Save(imageSource, iwicstream, encoderId);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicstream);
}
public static IWICBitmapFrameDecode Load(this IWICImagingFactory factory, string fileName)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
IWICBitmapDecoder iwicbitmapDecoder = factory.CreateDecoderFromFilename(fileName, null, GenericAccess.GENERIC_READ, WICDecodeOptions.WICDecodeMetadataCacheOnDemand);
IWICBitmapFrameDecode result;
iwicbitmapDecoder.GetFrame(0, out result);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmapDecoder);
return(result);
}
public static IWICBitmapFrameDecode Load(this IWICImagingFactory factory, Stream stream)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
StreamWrapper pIStream = new StreamWrapper(stream);
IWICBitmapDecoder iwicbitmapDecoder = factory.CreateDecoderFromStream(pIStream, null, WICDecodeOptions.WICDecodeMetadataCacheOnDemand);
IWICBitmapFrameDecode result;
iwicbitmapDecoder.GetFrame(0, out result);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmapDecoder);
return(result);
}
public static bool TryGetMetadataProperty <T>(this IWICMetadataQueryReader queryReader, string propertyPath, out T value)
{
if (queryReader == null)
{
throw new ArgumentNullException("queryReader");
}
value = default(T);
PROPVARIANT propvariant = default(PROPVARIANT);
int metadataByName = queryReader.GetMetadataByName(propertyPath, out propvariant);
if (-2003292352 != metadataByName)
{
GraphicsInteropNativeMethods.CheckNativeResult(metadataByName);
value = (T)((object)propvariant.Value);
propvariant.Dispose();
return(true);
}
propvariant.Dispose();
return(false);
}
public static void Save(this IWICImagingFactory factory, IWICBitmapSource imageSource, Stream destinationStream, Guid encoderId)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (imageSource == null)
{
throw new ArgumentNullException("imageSource");
}
if (destinationStream == null)
{
throw new ArgumentNullException("destinationStream");
}
IWICStream iwicstream;
factory.CreateStream(out iwicstream);
iwicstream.InitializeFromIStream(new StreamWrapper(destinationStream));
factory.Save(imageSource, iwicstream, encoderId);
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicstream);
}
public static IWICBitmapSource GetOrientedImageSource(this IWICImagingFactory factory, IWICBitmapSource source, WICBitmapTransformOptions opt)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (opt == WICBitmapTransformOptions.WICBitmapTransformRotate0)
{
return(source);
}
IWICBitmap iwicbitmap = null;
factory.CreateBitmapFromSource(source, WICBitmapCreateCacheOption.WICBitmapCacheOnDemand, out iwicbitmap);
IWICBitmapFlipRotator iwicbitmapFlipRotator = null;
factory.CreateBitmapFlipRotator(out iwicbitmapFlipRotator);
iwicbitmapFlipRotator.Initialize(iwicbitmap, opt);
IWICBitmapSource result = iwicbitmapFlipRotator;
GraphicsInteropNativeMethods.SafeReleaseComObject(iwicbitmap);
return(result);
}
public static IWICImagingFactory CreateFactory()
{
return(GraphicsInteropNativeMethods.CreateComInstanceFromInterface <IWICImagingFactory>(WicGuids.CLSID_WICImagingFactory));
}
public static T CreateComInstanceFromInterface <T>()
{
return(GraphicsInteropNativeMethods.CreateComInstanceFromInterface <T>(GraphicsInteropNativeMethods.GetGuidForInterface <T>()));
}
