public override ColorBgra GetGradientValue(double lerp, uint pixelId)
{
int num3;
double num4;
uint h = pixelId * 0x5bd1e995;
h ^= h >> 0x18;
h *= 0x5bd1e995;
h ^= this.ditherSeed;
h ^= h >> 13;
h *= 0x5bd1e995;
h ^= h >> 15;
int num2 = ((int)h) & 0xfffffff;
if (!this.ditherB)
{
num4 = 0.0;
}
else
{
h = GradientBlender <ColorBgra> .XorShift(h);
num3 = ((int)h) & 0xfffffff;
num4 = (num2 - num3) * 3.7252903123397019E-09;
num2 = num3;
}
double num5 = DoubleUtil.ClampToByte(((this.startB + (this.diffB * lerp)) + num4) + 0.5);
if (!this.ditherG)
{
num4 = 0.0;
}
else
{
h = GradientBlender <ColorBgra> .XorShift(h);
num3 = ((int)h) & 0xfffffff;
num4 = (num2 - num3) * 3.7252903123397019E-09;
num2 = num3;
}
double num6 = DoubleUtil.ClampToByte(((this.startG + (this.diffG * lerp)) + num4) + 0.5);
if (!this.ditherR)
{
num4 = 0.0;
}
else
{
num3 = ((int)GradientBlender <ColorBgra> .XorShift(h)) & 0xfffffff;
num4 = (num2 - num3) * 3.7252903123397019E-09;
num2 = num3;
}
double num7 = DoubleUtil.ClampToByte(((this.startR + (this.diffR * lerp)) + num4) + 0.5);
return(ColorBgra.FromBgra((byte)num5, (byte)num6, (byte)num7, 0xff));
}
private static byte GetMaskValue(byte tolerance, byte distance)
{
if (tolerance == 0xff)
{
return(0xff);
}
byte num = (byte)Math.Max(0, distance - tolerance);
byte num2 = (byte)(0xff - tolerance);
double d = ((double)num) / ((double)num2);
double num4 = 1.0 - d;
double num5 = Math.Sqrt(num4);
double num6 = Math.Sqrt(d);
double num7 = 1.0 - num6;
double num8 = 255.0 * num7;
return(DoubleUtil.ClampToByte(Math.Round(num8, MidpointRounding.AwayFromZero)));
}
public override ColorAlpha8 GetGradientValue(double lerp, uint pixelId)
{
double num;
if (!this.ditherA)
{
num = 0.0;
}
else
{
uint h = pixelId * 0x5bd1e995;
h ^= h >> 0x18;
h *= 0x5bd1e995;
h ^= this.ditherSeed;
h ^= h >> 13;
h *= 0x5bd1e995;
h ^= h >> 15;
int num3 = ((int)h) & 0xfffffff;
int num4 = ((int)GradientBlender <ColorAlpha8> .XorShift(h)) & 0xfffffff;
num = (num3 - num4) * 3.7252903123397019E-09;
}
return(new ColorAlpha8(DoubleUtil.ClampToByte(((this.startAlpha + (this.diffAlpha * lerp)) + num) + 0.5)));
}
public override ColorBgra GetGradientValue(double lerp, uint pixelId)
{
int num8;
double num9;
double num = this.startA + (this.diffA * lerp);
if (num == 0.0)
{
return(ColorBgra.TransparentBlack);
}
double num2 = 1.0 / num;
double num3 = (this.startB + (this.diffB * lerp)) * num2;
double num4 = (this.startG + (this.diffG * lerp)) * num2;
double num5 = (this.startR + (this.diffR * lerp)) * num2;
uint h = pixelId * 0x5bd1e995;
h ^= h >> 0x18;
h *= 0x5bd1e995;
h ^= this.ditherSeed;
h ^= h >> 13;
h *= 0x5bd1e995;
h ^= h >> 15;
int num7 = ((int)h) & 0xfffffff;
if (!this.ditherB)
{
num9 = 0.0;
}
else
{
h = GradientBlender <ColorBgra> .XorShift(h);
num8 = ((int)h) & 0xfffffff;
num9 = (num7 - num8) * 3.7252903123397019E-09;
num7 = num8;
}
num3 = DoubleUtil.ClampToByte((num3 + num9) + 0.5);
if (!this.ditherG)
{
num9 = 0.0;
}
else
{
h = GradientBlender <ColorBgra> .XorShift(h);
num8 = ((int)h) & 0xfffffff;
num9 = (num7 - num8) * 3.7252903123397019E-09;
num7 = num8;
}
num4 = DoubleUtil.ClampToByte((num4 + num9) + 0.5);
if (!this.ditherR)
{
num9 = 0.0;
}
else
{
h = GradientBlender <ColorBgra> .XorShift(h);
num8 = ((int)h) & 0xfffffff;
num9 = (num7 - num8) * 3.7252903123397019E-09;
num7 = num8;
}
num5 = DoubleUtil.ClampToByte((num5 + num9) + 0.5);
if (!this.ditherA)
{
num9 = 0.0;
}
else
{
num8 = ((int)GradientBlender <ColorBgra> .XorShift(h)) & 0x3fffffff;
num9 = (num7 - num8) * 3.7252903123397019E-09;
num7 = num8;
}
num = DoubleUtil.ClampToByte((num + num9) + 0.5);
return(ColorBgra.FromBgra((byte)num3, (byte)num4, (byte)num5, (byte)num));
}
