mirror of https://github.com/SixLabors/ImageSharp
Scott Williams
9 years ago
35 changed files with 283 additions and 115 deletions
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Runtime.CompilerServices; |
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using System.Text; |
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using SixLabors.ImageSharp.Advanced; |
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using SixLabors.ImageSharp.Formats; |
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using SixLabors.ImageSharp.PixelFormats; |
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using SixLabors.Primitives; |
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namespace SixLabors.ImageSharp.Helpers |
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{ |
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/// <summary>
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/// Extension methods over Image{TPixel}
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/// </summary>
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public static partial class ImageExtensions |
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{ |
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/// <summary>
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/// Gets the bounds of the image.
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/// </summary>
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/// <typeparam name="TPixel">The Pixel format.</typeparam>
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/// <param name="source">The source image</param>
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/// <returns>Returns the bounds of the image</returns>
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public static Rectangle Bounds<TPixel>(this Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> new Rectangle(0, 0, source.Width, source.Height); |
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/// <summary>
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/// Gets the bounds of the image.
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/// </summary>
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/// <typeparam name="TPixel">The Pixel format.</typeparam>
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/// <param name="source">The source image</param>
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/// <returns>Returns the bounds of the image</returns>
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public static Rectangle Bounds<TPixel>(this ImageFrame<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> new Rectangle(0, 0, source.Width, source.Height); |
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/// <summary>
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/// Gets the size of the image.
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/// </summary>
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/// <typeparam name="TPixel">The Pixel format.</typeparam>
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/// <param name="source">The source image</param>
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/// <returns>Returns the bounds of the image</returns>
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public static Size Size<TPixel>(this Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> new Size(source.Width, source.Height); |
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/// <summary>
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/// Gets the size of the image.
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/// </summary>
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/// <typeparam name="TPixel">The Pixel format.</typeparam>
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/// <param name="source">The source image</param>
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/// <returns>Returns the bounds of the image</returns>
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public static Size Size<TPixel>(this ImageFrame<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> new Size(source.Width, source.Height); |
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} |
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} |
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@ -0,0 +1,54 @@ |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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using System.IO; |
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using System.Runtime.CompilerServices; |
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using System.Threading.Tasks; |
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using SixLabors.ImageSharp.Advanced; |
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using SixLabors.ImageSharp.Formats; |
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using SixLabors.ImageSharp.Memory; |
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using SixLabors.ImageSharp.PixelFormats; |
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namespace SixLabors.ImageSharp |
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{ |
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/// <content>
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/// Adds static methods allowing the creation of new image from raw pixel data.
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/// </content>
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public static partial class ImageFrame |
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{ |
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/// <summary>
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/// Create a new instance of the <see cref="Image{TPixel}"/> class from the given byte array in <typeparamref name="TPixel"/> format.
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/// </summary>
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/// <param name="config">The config for the decoder.</param>
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/// <param name="data">The byte array containing image data.</param>
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/// <param name="width">The width of the final image.</param>
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/// <param name="height">The height of the final image.</param>
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/// <typeparam name="TPixel">The pixel format.</typeparam>
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/// <returns>A new <see cref="Image{TPixel}"/>.</returns>
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public static ImageFrame<TPixel> LoadPixelData<TPixel>(Span<byte> data, int width, int height) |
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where TPixel : struct, IPixel<TPixel> |
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=> LoadPixelData(data.NonPortableCast<byte, TPixel>(), width, height); |
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/// <summary>
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/// Create a new instance of the <see cref="Image{TPixel}"/> class from the raw <typeparamref name="TPixel"/> data.
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/// </summary>
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/// <param name="config">The config for the decoder.</param>
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/// <param name="data">The Span containing the image Pixel data.</param>
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/// <param name="width">The width of the final image.</param>
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/// <param name="height">The height of the final image.</param>
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/// <typeparam name="TPixel">The pixel format.</typeparam>
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/// <returns>A new <see cref="Image{TPixel}"/>.</returns>
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public static ImageFrame<TPixel> LoadPixelData<TPixel>(Span<TPixel> data, int width, int height) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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int count = width * height; |
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Guard.MustBeGreaterThanOrEqualTo(data.Length, count, nameof(data)); |
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var image = new ImageFrame<TPixel>(width, height); |
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SpanHelper.Copy(data, image.GetPixelSpan(), count); |
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return image; |
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} |
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} |
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} |
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