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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
using System.IO;
using Microsoft.Win32.SafeHandles;
using MS.Internal;
namespace System.Windows.Media.Imaging
{
#region TiffBitmapDecoder
/// <summary>
/// The built-in Microsoft Tiff (Bitmap) Decoder.
/// </summary>
public sealed class TiffBitmapDecoder : BitmapDecoder
{
/// <summary>
/// Don't allow construction of a decoder with no params
/// </summary>
private TiffBitmapDecoder()
{
}
/// <summary>
/// Create a TiffBitmapDecoder given the Uri
/// </summary>
/// <param name="bitmapUri">Uri to decode</param>
/// <param name="createOptions">Bitmap Create Options</param>
/// <param name="cacheOption">Bitmap Caching Option</param>
public TiffBitmapDecoder(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
) : base(bitmapUri, createOptions, cacheOption, MILGuidData.GUID_ContainerFormatTiff)
{
}
/// <summary>
/// If this decoder cannot handle the bitmap stream, it will throw an exception.
/// </summary>
/// <param name="bitmapStream">Stream to decode</param>
/// <param name="createOptions">Bitmap Create Options</param>
/// <param name="cacheOption">Bitmap Caching Option</param>
public TiffBitmapDecoder(
Stream bitmapStream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
) : base(bitmapStream, createOptions, cacheOption, MILGuidData.GUID_ContainerFormatTiff)
{
}
/// <summary>
/// Internal Constructor
/// </summary>
internal TiffBitmapDecoder(
SafeMILHandle decoderHandle,
BitmapDecoder decoder,
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
bool insertInDecoderCache,
bool originalWritable,
Stream uriStream,
UnmanagedMemoryStream unmanagedMemoryStream,
SafeFileHandle safeFilehandle
) : base(decoderHandle, decoder, baseUri, uri, stream, createOptions, cacheOption, insertInDecoderCache, originalWritable, uriStream, unmanagedMemoryStream, safeFilehandle)
{
}
/// <summary>
/// Returns whether metadata is fixed size or not.
/// </summary>
internal override bool IsMetadataFixedSize
{
get
{
return true;
}
}
#region Internal Abstract
/// Need to implement this to derive from the "sealed" object
internal override void SealObject()
{
throw new NotImplementedException();
}
#endregion
}
#endregion
}
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