public static WriteableBitmap ChangeHue1(this WriteableBitmap target, double amount)
{
IBufferExtensions.PixelBufferInfo pixels = IBufferExtensions.GetPixels(target.PixelBuffer);
int index = 0;
while (index < pixels.Bytes.Length)
{
if ((int)pixels.Bytes[index + 3] > 0)
{
double num1 = (double)pixels.Bytes[index + 2];
double num2 = (double)pixels.Bytes[index + 1];
double num3 = (double)pixels.Bytes[index];
ColorRGB colorRGB;
colorRGB.R = (int)num1;
colorRGB.G = (int)num2;
colorRGB.B = (int)num3;
ColorHSL colorHSL = ColorExtensions.RGBToHSL(colorRGB);
colorHSL.H = (int)(amount * 1.0);
colorHSL.H %= (int)byte.MaxValue;
colorRGB = ColorExtensions.HSLToRGB(colorHSL);
pixels.Bytes[index] = (byte)colorRGB.B;
pixels.Bytes[index + 1] = (byte)colorRGB.G;
pixels.Bytes[index + 2] = (byte)colorRGB.R;
}
index += 4;
}
pixels.UpdateFromBytes();
target.Invalidate();
return(target);
}
public static ColorRGB HSLToRGB(ColorHSL colorHSL)
{
double num1 = (double)colorHSL.H / 256.0;
double num2 = (double)colorHSL.S / 256.0;
double num3 = (double)colorHSL.L / 256.0;
double num4;
double num5;
double num6;
if (num2 == 0.0)
{
double num7;
num4 = num7 = num3;
num5 = num7;
num6 = num7;
}
else
{
double num7 = num3 >= 0.5 ? num3 + num2 - num3 * num2 : num3 * (1.0 + num2);
double num8 = 2.0 * num3 - num7;
double num9 = num1 + 1.0 / 3.0;
if (num9 > 1.0)
{
--num9;
}
double num10 = num1;
double num11 = num1 - 1.0 / 3.0;
if (num11 < 0.0)
{
++num11;
}
num6 = num9 >= 1.0 / 6.0 ? (num9 >= 0.5 ? (num9 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num9) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num9;
num5 = num10 >= 1.0 / 6.0 ? (num10 >= 0.5 ? (num10 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num10) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num10;
num4 = num11 >= 1.0 / 6.0 ? (num11 >= 0.5 ? (num11 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num11) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num11;
}
ColorRGB colorRgb;
colorRgb.R = (int)(num6 * (double)byte.MaxValue);
colorRgb.G = (int)(num5 * (double)byte.MaxValue);
colorRgb.B = (int)(num4 * (double)byte.MaxValue);
return(colorRgb);
}
public static ColorRGB HSLToRGB(ColorHSL colorHSL)
{
double num1 = (double)colorHSL.H / 256.0;
double num2 = (double)colorHSL.S / 256.0;
double num3 = (double)colorHSL.L / 256.0;
double num4;
double num5;
double num6;
if (num2 == 0.0)
{
double num7;
num4 = num7 = num3;
num5 = num7;
num6 = num7;
}
else
{
double num7 = num3 >= 0.5 ? num3 + num2 - num3 * num2 : num3 * (1.0 + num2);
double num8 = 2.0 * num3 - num7;
double num9 = num1 + 1.0 / 3.0;
if (num9 > 1.0)
--num9;
double num10 = num1;
double num11 = num1 - 1.0 / 3.0;
if (num11 < 0.0)
++num11;
num6 = num9 >= 1.0 / 6.0 ? (num9 >= 0.5 ? (num9 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num9) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num9;
num5 = num10 >= 1.0 / 6.0 ? (num10 >= 0.5 ? (num10 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num10) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num10;
num4 = num11 >= 1.0 / 6.0 ? (num11 >= 0.5 ? (num11 >= 2.0 / 3.0 ? num8 : num8 + (num7 - num8) * (2.0 / 3.0 - num11) * 6.0) : num7) : num8 + (num7 - num8) * 6.0 * num11;
}
ColorRGB colorRgb;
colorRgb.R = (int)(num6 * (double)byte.MaxValue);
colorRgb.G = (int)(num5 * (double)byte.MaxValue);
colorRgb.B = (int)(num4 * (double)byte.MaxValue);
return colorRgb;
}