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48 lines
1.8 KiB
48 lines
1.8 KiB
// <copyright file="IImageDecoder.cs" company="James Jackson-South">
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// Copyright (c) James Jackson-South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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namespace ImageProcessor.Formats
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{
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using System.IO;
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/// <summary>
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/// Encapsulates properties and methods required for decoding an image from a stream.
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/// </summary>
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public interface IImageDecoder
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{
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/// <summary>
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/// Gets the size of the header for this image type.
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/// </summary>
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/// <value>The size of the header.</value>
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int HeaderSize { get; }
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/// <summary>
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/// Returns a value indicating whether the <see cref="IImageDecoder"/> supports the specified
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/// file header.
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/// </summary>
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/// <param name="extension">The <see cref="string"/> containing the file extension.</param>
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/// <returns>
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/// True if the decoder supports the file extension; otherwise, false.
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/// </returns>
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bool IsSupportedFileExtension(string extension);
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/// <summary>
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/// Returns a value indicating whether the <see cref="IImageDecoder"/> supports the specified
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/// file header.
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/// </summary>
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/// <param name="header">The <see cref="T:byte[]"/> containing the file header.</param>
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/// <returns>
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/// True if the decoder supports the file header; otherwise, false.
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/// </returns>
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bool IsSupportedFileFormat(byte[] header);
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/// <summary>
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/// Decodes the image from the specified stream to the <see cref="ImageBase"/>.
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/// </summary>
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/// <param name="image">The <see cref="ImageBase"/> to decode to.</param>
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/// <param name="stream">The <see cref="Stream"/> containing image data.</param>
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void Decode(Image image, Stream stream);
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}
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}
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