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//------------------------------------------------------------------------------
// Microsoft Avalon
// Copyright (c) Microsoft Corporation, All Rights Reserved
//
// File: IconBitmapDecoder.cs
//
//------------------------------------------------------------------------------
using System;
using System.IO;
using System.Collections;
using System.Security;
using System.Security.Permissions;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using Microsoft.Win32.SafeHandles;
using MS.Internal;
using System.Diagnostics;
using System.Windows.Media;
using System.Globalization;
using System.Runtime.InteropServices;
namespace System.Windows.Media.Imaging
{
#region IconBitmapDecoder
/// <summary>
/// The built-in Microsoft Icon (Bitmap) Decoder.
/// </summary>
public sealed class IconBitmapDecoder : BitmapDecoder
{
/// <summary>
/// Don't allow construction of a decoder with no params
/// </summary>
private IconBitmapDecoder()
{
}
/// <summary>
/// Create a IconBitmapDecoder 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>
/// <SecurityNote>
/// Critical - access critical resource
/// PublicOK - inputs verified or safe
/// </SecurityNote>
[SecurityCritical ]
public IconBitmapDecoder(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
) : base(bitmapUri, createOptions, cacheOption, MILGuidData.GUID_ContainerFormatIco)
{
}
/// <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>
/// <SecurityNote>
/// Critical - access critical resource
/// PublicOK - inputs verified or safe
/// </SecurityNote>
[SecurityCritical ]
public IconBitmapDecoder(
Stream bitmapStream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
) : base(bitmapStream, createOptions, cacheOption, MILGuidData.GUID_ContainerFormatIco)
{
}
/// <summary>
/// Internal Constructor
/// </summary>
/// <SecurityNote>
/// Critical: Uses a SafeFileHandle, which is a SecurityCritical type (in v4).
/// Calls SecurityCritical base class constructor.
/// </SecurityNote>
[SecurityCritical]
internal IconBitmapDecoder(
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)
{
}
#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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