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@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp.Advanced |
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/// </remarks>
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public static IMemoryGroup<TPixel> GetPixelMemoryGroup<TPixel>(this ImageFrame<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.PixelBuffer.MemoryGroup.View; |
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=> source?.PixelBuffer.MemoryGroup.View ?? throw new ArgumentNullException(nameof(source)); |
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/// <summary>
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/// Gets the representation of the pixels as a <see cref="IMemoryGroup{T}"/> containing the backing pixel data of the image
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@ -76,7 +76,7 @@ namespace SixLabors.ImageSharp.Advanced |
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/// </remarks>
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public static IMemoryGroup<TPixel> GetPixelMemoryGroup<TPixel>(this Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.Frames.RootFrame.GetPixelMemoryGroup(); |
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=> source?.Frames.RootFrame.GetPixelMemoryGroup() ?? throw new ArgumentNullException(nameof(source)); |
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/// <summary>
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/// Gets the representation of the pixels as a <see cref="Span{T}"/> in the source image's pixel format
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@ -91,6 +91,8 @@ namespace SixLabors.ImageSharp.Advanced |
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public static Span<TPixel> GetPixelSpan<TPixel>(this ImageFrame<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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Guard.NotNull(source, nameof(source)); |
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IMemoryGroup<TPixel> mg = source.GetPixelMemoryGroup(); |
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if (mg.Count > 1) |
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{ |
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@ -112,7 +114,11 @@ namespace SixLabors.ImageSharp.Advanced |
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@"GetPixelSpan might fail, because the backing buffer could be discontiguous for large images. Use GetPixelMemoryGroup or GetPixelRowSpan instead!")] |
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public static Span<TPixel> GetPixelSpan<TPixel>(this Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.Frames.RootFrame.GetPixelSpan(); |
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{ |
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Guard.NotNull(source, nameof(source)); |
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return source.Frames.RootFrame.GetPixelSpan(); |
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} |
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/// <summary>
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/// Gets the representation of the pixels as a <see cref="Span{T}"/> of contiguous memory
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@ -124,7 +130,13 @@ namespace SixLabors.ImageSharp.Advanced |
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/// <returns>The <see cref="Span{TPixel}"/></returns>
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public static Span<TPixel> GetPixelRowSpan<TPixel>(this ImageFrame<TPixel> source, int rowIndex) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.PixelBuffer.GetRowSpan(rowIndex); |
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{ |
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Guard.NotNull(source, nameof(source)); |
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Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex)); |
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Guard.MustBeLessThan(rowIndex, source.Height, nameof(rowIndex)); |
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return source.PixelBuffer.GetRowSpanUnchecked(rowIndex); |
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} |
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/// <summary>
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/// Gets the representation of the pixels as <see cref="Span{T}"/> of of contiguous memory
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@ -136,7 +148,13 @@ namespace SixLabors.ImageSharp.Advanced |
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/// <returns>The <see cref="Span{TPixel}"/></returns>
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public static Span<TPixel> GetPixelRowSpan<TPixel>(this Image<TPixel> source, int rowIndex) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.Frames.RootFrame.GetPixelRowSpan(rowIndex); |
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{ |
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Guard.NotNull(source, nameof(source)); |
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Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex)); |
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Guard.MustBeLessThan(rowIndex, source.Height, nameof(rowIndex)); |
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return source.Frames.RootFrame.PixelBuffer.GetRowSpanUnchecked(rowIndex); |
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} |
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/// <summary>
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/// Gets the representation of the pixels as a <see cref="Span{T}"/> of contiguous memory
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@ -148,7 +166,13 @@ namespace SixLabors.ImageSharp.Advanced |
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/// <returns>The <see cref="Span{TPixel}"/></returns>
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public static Memory<TPixel> GetPixelRowMemory<TPixel>(this ImageFrame<TPixel> source, int rowIndex) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.PixelBuffer.GetRowMemorySafe(rowIndex); |
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{ |
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Guard.NotNull(source, nameof(source)); |
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Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex)); |
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Guard.MustBeLessThan(rowIndex, source.Height, nameof(rowIndex)); |
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return source.PixelBuffer.GetRowMemorySafe(rowIndex); |
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} |
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/// <summary>
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/// Gets the representation of the pixels as <see cref="Span{T}"/> of of contiguous memory
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@ -160,7 +184,13 @@ namespace SixLabors.ImageSharp.Advanced |
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/// <returns>The <see cref="Span{TPixel}"/></returns>
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public static Memory<TPixel> GetPixelRowMemory<TPixel>(this Image<TPixel> source, int rowIndex) |
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where TPixel : struct, IPixel<TPixel> |
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=> source.Frames.RootFrame.GetPixelRowMemory(rowIndex); |
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{ |
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Guard.NotNull(source, nameof(source)); |
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Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex)); |
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Guard.MustBeLessThan(rowIndex, source.Height, nameof(rowIndex)); |
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return source.Frames.RootFrame.PixelBuffer.GetRowMemorySafe(rowIndex); |
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} |
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/// <summary>
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/// Gets the <see cref="MemoryAllocator"/> assigned to 'source'.
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Anton Firszov
6 years ago