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Switched to ThumbHasher over BlurHasher

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This commit is contained in:
Mike Phares
2023-05-21 23:56:10 -07:00
parent 514637b9c6
commit a0c880c7ba
26 changed files with 803 additions and 121 deletions
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34
BlurHash.Core/Core.cs
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@ -56,15 +56,15 @@ public static class Core
{
double basis = xCosines[xPixel] * yCosines[yPixel];
Pixel pixel = pixels[xPixel, yPixel];
r += basis * pixel._Red;
g += basis * pixel._Green;
b += basis * pixel._Blue;
r += basis * pixel.Red;
g += basis * pixel.Green;
b += basis * pixel.Blue;
}
double scale = normalization / (width * height);
factors[componentsX * yComponent + xComponent]._Red = r * scale;
factors[componentsX * yComponent + xComponent]._Green = g * scale;
factors[componentsX * yComponent + xComponent]._Blue = b * scale;
factors[componentsX * yComponent + xComponent].Red = r * scale;
factors[componentsX * yComponent + xComponent].Green = g * scale;
factors[componentsX * yComponent + xComponent].Blue = b * scale;
progressCallback?.Report(processedFactors * 100 / factorCount);
processedFactors++;
@ -90,9 +90,9 @@ public static class Core
int factorIndex = componentsX * yComponent + xComponent;
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex]._Red), actualMaximumValue);
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex]._Green), actualMaximumValue);
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex]._Blue), actualMaximumValue);
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex].Red), actualMaximumValue);
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex].Green), actualMaximumValue);
actualMaximumValue = Math.Max(Math.Abs(factors[factorIndex].Blue), actualMaximumValue);
}
int quantizedMaximumValue = (int)Math.Max(0.0, Math.Min(82.0, Math.Floor(actualMaximumValue * 166 - 0.5)));
@ -105,7 +105,7 @@ public static class Core
resultBuffer[1] = '0';
}
EncodeDc(dc._Red, dc._Green, dc._Blue).EncodeBase83(resultBuffer.Slice(2, 4));
EncodeDc(dc.Red, dc.Green, dc.Blue).EncodeBase83(resultBuffer.Slice(2, 4));
for (int yComponent = 0; yComponent < componentsY; yComponent++)
for (int xComponent = 0; xComponent < componentsX; xComponent++)
@ -116,7 +116,7 @@ public static class Core
int factorIndex = componentsX * yComponent + xComponent;
EncodeAc(factors[factorIndex]._Red, factors[factorIndex]._Green, factors[factorIndex]._Blue, maximumValue).EncodeBase83(resultBuffer.Slice(6 + (factorIndex - 1) * 2, 2));
EncodeAc(factors[factorIndex].Red, factors[factorIndex].Green, factors[factorIndex].Blue, maximumValue).EncodeBase83(resultBuffer.Slice(6 + (factorIndex - 1) * 2, 2));
}
return resultBuffer.ToString();
@ -184,9 +184,9 @@ public static class Core
{
ref Pixel result = ref pixels[xPixel, yPixel];
result._Red = 0.0;
result._Green = 0.0;
result._Blue = 0.0;
result.Red = 0.0;
result.Green = 0.0;
result.Blue = 0.0;
}
double[] xCosines = new double[outputWidth];
@ -215,9 +215,9 @@ public static class Core
double basis = xCosines[xPixel] * yCosines[yPixel];
result._Red += coefficient._Red * basis;
result._Green += coefficient._Green * basis;
result._Blue += coefficient._Blue * basis;
result.Red += coefficient.Red * basis;
result.Green += coefficient.Green * basis;
result.Blue += coefficient.Blue * basis;
}
progressCallback?.Report(componentIndex * 100 / componentCount);

12
BlurHash.Core/Pixel.cs
View File

@ -5,14 +5,14 @@
/// </summary>
public struct Pixel
{
public double _Red;
public double _Green;
public double _Blue;
public double Red { get; set; }
public double Green { get; set; }
public double Blue { get; set; }
public Pixel(double red, double green, double blue)
{
_Red = red;
_Green = green;
_Blue = blue;
Red = red;
Green = green;
Blue = blue;
}
}