91 lines
3.8 KiB
C#
91 lines
3.8 KiB
C#
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// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.IO;
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using SharpDX.IO;
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using SharpDX.Win32;
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namespace SharpDX.WIC
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{
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public partial class WICStream
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{
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private ComStreamProxy streamProxy;
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/// <summary>
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/// Initializes a new instance of the <see cref="WICStream"/> class from a file.
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/// </summary>
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/// <param name="factory">The factory.</param>
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/// <param name="fileName">Name of the file.</param>
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/// <param name="fileAccess">The file access.</param>
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/// <msdn-id>ee690325</msdn-id>
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/// <unmanaged>HRESULT IWICImagingFactory::CreateStream([Out, Fast] IWICStream** ppIWICStream)</unmanaged>
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public WICStream(ImagingFactory factory, string fileName, NativeFileAccess fileAccess)
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: base(IntPtr.Zero)
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{
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factory.CreateStream(this);
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InitializeFromFilename(fileName, (int)fileAccess);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="WICStream"/> class from a <see cref="IStream"/>.
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/// </summary>
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/// <param name="factory">The factory.</param>
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/// <param name="stream">The stream.</param>
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/// <msdn-id>ee719789</msdn-id>
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/// <unmanaged>HRESULT IWICStream::InitializeFromIStream([In, Optional] IStream* pIStream)</unmanaged>
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/// <unmanaged-short>IWICStream::InitializeFromIStream</unmanaged-short>
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public WICStream(ImagingFactory factory, Stream stream)
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: base(IntPtr.Zero)
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{
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factory.CreateStream(this);
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streamProxy = new ComStreamProxy(stream);
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InitializeFromIStream(streamProxy);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="WICStream"/> class from an unmanaged memory through a <see cref="DataStream"/>.
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/// </summary>
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/// <param name="factory">The factory.</param>
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/// <param name="dataStream">The unmanaged memory stream.</param>
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/// <msdn-id>ee719792</msdn-id>
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/// <unmanaged>HRESULT IWICStream::InitializeFromMemory([In] void* pbBuffer,[In] unsigned int cbBufferSize)</unmanaged>
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/// <unmanaged-short>IWICStream::InitializeFromMemory</unmanaged-short>
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public WICStream(ImagingFactory factory, DataPointer dataStream)
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: base(IntPtr.Zero)
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{
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factory.CreateStream(this);
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InitializeFromMemory(dataStream.Pointer, dataStream.Size);
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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if (streamProxy != null)
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{
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streamProxy.Dispose();
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streamProxy = null;
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}
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}
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}
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}
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