diff --git a/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs index b67ef5bf1..ade5fa830 100644 --- a/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs +++ b/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs @@ -7,7 +7,7 @@ namespace ImageSharp.Processing.Processors { using System; using System.Threading.Tasks; - + using ImageSharp.Memory; using ImageSharp.PixelFormats; /// @@ -44,22 +44,18 @@ namespace ImageSharp.Processing.Processors int minX = Math.Max(this.CropRectangle.X, sourceRectangle.X); int maxX = Math.Min(this.CropRectangle.Right, sourceRectangle.Right); - using (PixelAccessor targetPixels = new PixelAccessor(this.CropRectangle.Width, this.CropRectangle.Height)) + using (var targetPixels = new PixelAccessor(this.CropRectangle.Width, this.CropRectangle.Height)) { - using (PixelAccessor sourcePixels = source.Lock()) - { - Parallel.For( - minY, - maxY, - this.ParallelOptions, - y => - { - for (int x = minX; x < maxX; x++) - { - targetPixels[x - minX, y - minY] = sourcePixels[x, y]; - } - }); - } + Parallel.For( + minY, + maxY, + this.ParallelOptions, + y => + { + Span sourceRow = source.GetRowSpan(minX, y); + Span targetRow = targetPixels.GetRowSpan(y - minY); + SpanHelper.Copy(sourceRow, targetRow, maxX - minX); + }); source.SwapPixelsBuffers(targetPixels); }