DarthAffe/HPPH
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Improved accuracy of Average

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This commit is contained in:
Darth Affe 2024-07-21 14:52:26 +02:00
parent 10f0c8c5b7
commit 44ff0bf5b0
2 changed files with 27 additions and 27 deletions
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40
HPPH.Reference/PixelHelper.Average.cs
View File

@ -9,10 +9,10 @@ public static partial class ReferencePixelHelper
float count = image.Width * image.Height; float count = image.Width * image.Height;
ISum sum = Sum(image); ISum sum = Sum(image);
return new ColorRGBA((byte)(sum.R / count), return new ColorRGBA((byte)MathF.Round(sum.R / count),
(byte)(sum.G / count), (byte)MathF.Round(sum.G / count),
(byte)(sum.B / count), (byte)MathF.Round(sum.B / count),
(byte)(sum.A / count)); (byte)MathF.Round(sum.A / count));
} }
public static T Average<T>(IImage<T> image) public static T Average<T>(IImage<T> image)
@ -21,10 +21,10 @@ public static partial class ReferencePixelHelper
float count = image.Width * image.Height; float count = image.Width * image.Height;
ISum sum = Sum(image); ISum sum = Sum(image);
return (T)T.Create((byte)(sum.R / count), return (T)T.Create((byte)MathF.Round(sum.R / count),
(byte)(sum.G / count), (byte)MathF.Round(sum.G / count),
(byte)(sum.B / count), (byte)MathF.Round(sum.B / count),
(byte)(sum.A / count)); (byte)MathF.Round(sum.A / count));
} }
public static T Average<T>(RefImage<T> image) public static T Average<T>(RefImage<T> image)
@ -33,10 +33,10 @@ public static partial class ReferencePixelHelper
float count = image.Width * image.Height; float count = image.Width * image.Height;
ISum sum = Sum(image); ISum sum = Sum(image);
return (T)T.Create((byte)(sum.R / count), return (T)T.Create((byte)MathF.Round(sum.R / count),
(byte)(sum.G / count), (byte)MathF.Round(sum.G / count),
(byte)(sum.B / count), (byte)MathF.Round(sum.B / count),
(byte)(sum.A / count)); (byte)MathF.Round(sum.A / count));
} }
public static T Average<T>(Span<T> colors) public static T Average<T>(Span<T> colors)
@ -45,10 +45,10 @@ public static partial class ReferencePixelHelper
float count = colors.Length; float count = colors.Length;
ISum sum = Sum(colors); ISum sum = Sum(colors);
return (T)T.Create((byte)(sum.R / count), return (T)T.Create((byte)MathF.Round(sum.R / count),
(byte)(sum.G / count), (byte)MathF.Round(sum.G / count),
(byte)(sum.B / count), (byte)MathF.Round(sum.B / count),
(byte)(sum.A / count)); (byte)MathF.Round(sum.A / count));
} }
public static T Average<T>(ReadOnlySpan<T> colors) public static T Average<T>(ReadOnlySpan<T> colors)
@ -57,10 +57,10 @@ public static partial class ReferencePixelHelper
float count = colors.Length; float count = colors.Length;
ISum sum = Sum(colors); ISum sum = Sum(colors);
return (T)T.Create((byte)(sum.R / count), return (T)T.Create((byte)MathF.Round(sum.R / count),
(byte)(sum.G / count), (byte)MathF.Round(sum.G / count),
(byte)(sum.B / count), (byte)MathF.Round(sum.B / count),
(byte)(sum.A / count)); (byte)MathF.Round(sum.A / count));
} }
#endregion #endregion

14
HPPH/PixelHelper.Average.cs
View File

@ -82,9 +82,9 @@ public static partial class PixelHelper
Generic4LongData sum = Sum(data); Generic4LongData sum = Sum(data);
float count = data.Length; float count = data.Length;
return new Generic3ByteData((byte)(sum.L1 / count), return new Generic3ByteData((byte)MathF.Round(sum.L1 / count),
(byte)(sum.L2 / count), (byte)MathF.Round(sum.L2 / count),
(byte)(sum.L3 / count)); (byte)MathF.Round(sum.L3 / count));
} }
private static Generic4ByteData Average(ReadOnlySpan<Generic4ByteData> data) private static Generic4ByteData Average(ReadOnlySpan<Generic4ByteData> data)
@ -96,10 +96,10 @@ public static partial class PixelHelper
Generic4LongData sum = Sum(data); Generic4LongData sum = Sum(data);
float count = data.Length; float count = data.Length;
return new Generic4ByteData((byte)(sum.L1 / count), return new Generic4ByteData((byte)MathF.Round(sum.L1 / count),
(byte)(sum.L2 / count), (byte)MathF.Round(sum.L2 / count),
(byte)(sum.L3 / count), (byte)MathF.Round(sum.L3 / count),
(byte)(sum.L4 / count)); (byte)MathF.Round(sum.L4 / count));
} }
#endregion #endregion