Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Imaging / BitmapFrame.cs / 1305600 / BitmapFrame.cs
//------------------------------------------------------------------------------
// Microsoft Avalon
// Copyright (c) Microsoft Corporation
//
// File: BitmapFrame.cs
//
//-----------------------------------------------------------------------------
using System;
using System.IO;
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using MS.Internal;
using System.Diagnostics;
using System.Windows.Media;
using System.Globalization;
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging;
using MS.Win32;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
using UnsafeNativeMethods = MS.Win32.PresentationCore.UnsafeNativeMethods;
using System.Windows.Markup;
using System.Net.Cache;
namespace System.Windows.Media.Imaging
{
#region BitmapFrame
///
/// BitmapFrame abstract class
///
public abstract class BitmapFrame : BitmapSource, IUriContext
{
#region Constructors
///
/// Constructor
///
protected BitmapFrame()
{
}
///
/// Internal Constructor
///
internal BitmapFrame(bool useVirtuals) : base(useVirtuals)
{
}
///
/// Create BitmapFrame from the uri or stream
///
internal static BitmapFrame CreateFromUriOrStream(
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
// Create a decoder and return the first frame
if (uri != null)
{
Debug.Assert((stream == null), "Both stream and uri are non-null");
BitmapDecoder decoder = BitmapDecoder.CreateFromUriOrStream(
baseUri,
uri,
null,
createOptions,
cacheOption,
uriCachePolicy,
true
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "uri");
}
return decoder.Frames[0];
}
else
{
Debug.Assert((stream != null), "Both stream and uri are null");
BitmapDecoder decoder = BitmapDecoder.Create(
stream,
createOptions,
cacheOption
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "stream");
}
return decoder.Frames[0];
}
}
///
/// Create a BitmapFrame from a Uri using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Uri of the Bitmap
public static BitmapFrame Create(
Uri bitmapUri
)
{
return Create(bitmapUri, null);
}
///
/// Create a BitmapFrame from a Uri using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Uri of the Bitmap
/// Optional web request cache policy
public static BitmapFrame Create(
Uri bitmapUri,
RequestCachePolicy uriCachePolicy
)
{
if (bitmapUri == null)
{
throw new ArgumentNullException("bitmapUri");
}
return CreateFromUriOrStream(
null,
bitmapUri,
null,
BitmapCreateOptions.None,
BitmapCacheOption.Default,
uriCachePolicy
);
}
///
/// Create a BitmapFrame from a Uri with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Uri of the Bitmap
/// Creation options
/// Caching option
public static BitmapFrame Create(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
)
{
return Create(bitmapUri, createOptions, cacheOption, null);
}
///
/// Create a BitmapFrame from a Uri with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Uri of the Bitmap
/// Creation options
/// Caching option
/// Optional web request cache policy
public static BitmapFrame Create(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
if (bitmapUri == null)
{
throw new ArgumentNullException("bitmapUri");
}
return CreateFromUriOrStream(
null,
bitmapUri,
null,
createOptions,
cacheOption,
uriCachePolicy
);
}
///
/// Create a BitmapFrame from a Stream using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Stream of the Bitmap
public static BitmapFrame Create(
Stream bitmapStream
)
{
if (bitmapStream == null)
{
throw new ArgumentNullException("bitmapStream");
}
return CreateFromUriOrStream(
null,
null,
bitmapStream,
BitmapCreateOptions.None,
BitmapCacheOption.Default,
null
);
}
///
/// Create a BitmapFrame from a Stream with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Stream of the Bitmap
/// Creation options
/// Caching option
public static BitmapFrame Create(
Stream bitmapStream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
)
{
if (bitmapStream == null)
{
throw new ArgumentNullException("bitmapStream");
}
return CreateFromUriOrStream(
null,
null,
bitmapStream,
createOptions,
cacheOption,
null
);
}
///
/// Create a BitmapFrame from a BitmapSource
///
/// Source input of the Bitmap
public static BitmapFrame Create(
BitmapSource source
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
BitmapMetadata metadata = null;
try
{
metadata = source.Metadata as BitmapMetadata;
}
catch (System.NotSupportedException)
{
//do not throw not support exception
//just pass null
}
if (metadata != null)
{
metadata = metadata.Clone();
}
return new BitmapFrameEncode(source, null, metadata, null);
}
///
/// Create a BitmapFrame from a BitmapSource with the specified Thumbnail
///
/// Source input of the Bitmap
/// Thumbnail of the resulting Bitmap
public static BitmapFrame Create(
BitmapSource source,
BitmapSource thumbnail
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
BitmapMetadata metadata = null;
try
{
metadata = source.Metadata as BitmapMetadata;
}
catch (System.NotSupportedException)
{
//do not throw not support exception
//just pass null
}
if (metadata != null)
{
metadata = metadata.Clone();
}
return BitmapFrame.Create(source, thumbnail, metadata, null);
}
///
/// Create a BitmapFrame from a BitmapSource with the specified Thumbnail and metadata
///
/// Source input of the Bitmap
/// Thumbnail of the resulting Bitmap
/// BitmapMetadata of the resulting Bitmap
/// The ColorContexts for the resulting Bitmap
public static BitmapFrame Create(
BitmapSource source,
BitmapSource thumbnail,
BitmapMetadata metadata,
ReadOnlyCollection colorContexts
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return new BitmapFrameEncode(source, thumbnail, metadata, colorContexts);
}
#endregion
#region IUriContext
///
/// Provides the base uri of the current context.
///
public abstract Uri BaseUri { get; set; }
#endregion
#region Public Properties
///
/// Accesses the Thumbnail property for this BitmapFrame
///
public abstract BitmapSource Thumbnail { get; }
///
/// Accesses the Decoder property for this BitmapFrame
///
public abstract BitmapDecoder Decoder { get; }
///
/// Accesses the Decoder property for this BitmapFrame
///
public abstract ReadOnlyCollection ColorContexts { get; }
#endregion
#region Public Properties
///
/// Create an in-place bitmap metadata writer.
///
public abstract InPlaceBitmapMetadataWriter CreateInPlaceBitmapMetadataWriter();
#endregion
#region Internal Properties
///
/// Returns cached metadata and creates BitmapMetadata if it does not exist.
/// This code will demand site of origin permissions.
///
internal virtual BitmapMetadata InternalMetadata
{
get { return null; }
set { throw new NotImplementedException(); }
}
#endregion
#region Data Members
/// Thumbnail
internal BitmapSource _thumbnail = null;
///
/// Metadata
///
///
/// Critical - Access only granted if SiteOfOrigin demanded.
///
[SecurityCritical]
internal BitmapMetadata _metadata;
/// ColorContexts collection
internal ReadOnlyCollection _readOnlycolorContexts;
#endregion
}
#endregion // BitmapFrame
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
// Microsoft Avalon
// Copyright (c) Microsoft Corporation
//
// File: BitmapFrame.cs
//
//-----------------------------------------------------------------------------
using System;
using System.IO;
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using MS.Internal;
using System.Diagnostics;
using System.Windows.Media;
using System.Globalization;
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging;
using MS.Win32;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
using UnsafeNativeMethods = MS.Win32.PresentationCore.UnsafeNativeMethods;
using System.Windows.Markup;
using System.Net.Cache;
namespace System.Windows.Media.Imaging
{
#region BitmapFrame
///
/// BitmapFrame abstract class
///
public abstract class BitmapFrame : BitmapSource, IUriContext
{
#region Constructors
///
/// Constructor
///
protected BitmapFrame()
{
}
///
/// Internal Constructor
///
internal BitmapFrame(bool useVirtuals) : base(useVirtuals)
{
}
///
/// Create BitmapFrame from the uri or stream
///
internal static BitmapFrame CreateFromUriOrStream(
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
// Create a decoder and return the first frame
if (uri != null)
{
Debug.Assert((stream == null), "Both stream and uri are non-null");
BitmapDecoder decoder = BitmapDecoder.CreateFromUriOrStream(
baseUri,
uri,
null,
createOptions,
cacheOption,
uriCachePolicy,
true
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "uri");
}
return decoder.Frames[0];
}
else
{
Debug.Assert((stream != null), "Both stream and uri are null");
BitmapDecoder decoder = BitmapDecoder.Create(
stream,
createOptions,
cacheOption
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "stream");
}
return decoder.Frames[0];
}
}
///
/// Create a BitmapFrame from a Uri using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Uri of the Bitmap
public static BitmapFrame Create(
Uri bitmapUri
)
{
return Create(bitmapUri, null);
}
///
/// Create a BitmapFrame from a Uri using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Uri of the Bitmap
/// Optional web request cache policy
public static BitmapFrame Create(
Uri bitmapUri,
RequestCachePolicy uriCachePolicy
)
{
if (bitmapUri == null)
{
throw new ArgumentNullException("bitmapUri");
}
return CreateFromUriOrStream(
null,
bitmapUri,
null,
BitmapCreateOptions.None,
BitmapCacheOption.Default,
uriCachePolicy
);
}
///
/// Create a BitmapFrame from a Uri with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Uri of the Bitmap
/// Creation options
/// Caching option
public static BitmapFrame Create(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
)
{
return Create(bitmapUri, createOptions, cacheOption, null);
}
///
/// Create a BitmapFrame from a Uri with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Uri of the Bitmap
/// Creation options
/// Caching option
/// Optional web request cache policy
public static BitmapFrame Create(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
if (bitmapUri == null)
{
throw new ArgumentNullException("bitmapUri");
}
return CreateFromUriOrStream(
null,
bitmapUri,
null,
createOptions,
cacheOption,
uriCachePolicy
);
}
///
/// Create a BitmapFrame from a Stream using BitmapCreateOptions.None and
/// BitmapCacheOption.Default
///
/// Stream of the Bitmap
public static BitmapFrame Create(
Stream bitmapStream
)
{
if (bitmapStream == null)
{
throw new ArgumentNullException("bitmapStream");
}
return CreateFromUriOrStream(
null,
null,
bitmapStream,
BitmapCreateOptions.None,
BitmapCacheOption.Default,
null
);
}
///
/// Create a BitmapFrame from a Stream with the specified BitmapCreateOptions and
/// BitmapCacheOption
///
/// Stream of the Bitmap
/// Creation options
/// Caching option
public static BitmapFrame Create(
Stream bitmapStream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
)
{
if (bitmapStream == null)
{
throw new ArgumentNullException("bitmapStream");
}
return CreateFromUriOrStream(
null,
null,
bitmapStream,
createOptions,
cacheOption,
null
);
}
///
/// Create a BitmapFrame from a BitmapSource
///
/// Source input of the Bitmap
public static BitmapFrame Create(
BitmapSource source
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
BitmapMetadata metadata = null;
try
{
metadata = source.Metadata as BitmapMetadata;
}
catch (System.NotSupportedException)
{
//do not throw not support exception
//just pass null
}
if (metadata != null)
{
metadata = metadata.Clone();
}
return new BitmapFrameEncode(source, null, metadata, null);
}
///
/// Create a BitmapFrame from a BitmapSource with the specified Thumbnail
///
/// Source input of the Bitmap
/// Thumbnail of the resulting Bitmap
public static BitmapFrame Create(
BitmapSource source,
BitmapSource thumbnail
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
BitmapMetadata metadata = null;
try
{
metadata = source.Metadata as BitmapMetadata;
}
catch (System.NotSupportedException)
{
//do not throw not support exception
//just pass null
}
if (metadata != null)
{
metadata = metadata.Clone();
}
return BitmapFrame.Create(source, thumbnail, metadata, null);
}
///
/// Create a BitmapFrame from a BitmapSource with the specified Thumbnail and metadata
///
/// Source input of the Bitmap
/// Thumbnail of the resulting Bitmap
/// BitmapMetadata of the resulting Bitmap
/// The ColorContexts for the resulting Bitmap
public static BitmapFrame Create(
BitmapSource source,
BitmapSource thumbnail,
BitmapMetadata metadata,
ReadOnlyCollection colorContexts
)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return new BitmapFrameEncode(source, thumbnail, metadata, colorContexts);
}
#endregion
#region IUriContext
///
/// Provides the base uri of the current context.
///
public abstract Uri BaseUri { get; set; }
#endregion
#region Public Properties
///
/// Accesses the Thumbnail property for this BitmapFrame
///
public abstract BitmapSource Thumbnail { get; }
///
/// Accesses the Decoder property for this BitmapFrame
///
public abstract BitmapDecoder Decoder { get; }
///
/// Accesses the Decoder property for this BitmapFrame
///
public abstract ReadOnlyCollection ColorContexts { get; }
#endregion
#region Public Properties
///
/// Create an in-place bitmap metadata writer.
///
public abstract InPlaceBitmapMetadataWriter CreateInPlaceBitmapMetadataWriter();
#endregion
#region Internal Properties
///
/// Returns cached metadata and creates BitmapMetadata if it does not exist.
/// This code will demand site of origin permissions.
///
internal virtual BitmapMetadata InternalMetadata
{
get { return null; }
set { throw new NotImplementedException(); }
}
#endregion
#region Data Members
/// Thumbnail
internal BitmapSource _thumbnail = null;
///
/// Metadata
///
///
/// Critical - Access only granted if SiteOfOrigin demanded.
///
[SecurityCritical]
internal BitmapMetadata _metadata;
/// ColorContexts collection
internal ReadOnlyCollection _readOnlycolorContexts;
#endregion
}
#endregion // BitmapFrame
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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