Removed first component dependency in compoentn initialization code

5 years ago · c751b27334
1 changed files with 1 additions and 2 deletions
--- a/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs
@ -123,8 +123,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
            int blocksPerColumnForMcu = this.Frame.McusPerColumn * this.VerticalSamplingFactor;
            this.SizeInBlocks = new Size(blocksPerLineForMcu, blocksPerColumnForMcu);

-            JpegComponent c0 = this.Frame.Components[0];
-            this.SubSamplingDivisors = c0.SamplingFactors.DivideBy(this.SamplingFactors);
+            this.SubSamplingDivisors = new Size(maxSubFactorH, maxSubFactorV).DivideBy(this.SamplingFactors);

            if (this.SubSamplingDivisors.Width == 0 || this.SubSamplingDivisors.Height == 0)
            {