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public static FromBgr ( byte b, byte g, byte r ) : |
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| b | byte | |
| g | byte | |
| r | byte | |
| return | ||
public override ColorBgra Apply(ColorBgra color)
{
//adjust saturation
byte intensity = color.GetIntensityByte();
color.R = Utility.ClampToByte((intensity * 1024 + (color.R - intensity) * satFactor) >> 10);
color.G = Utility.ClampToByte((intensity * 1024 + (color.G - intensity) * satFactor) >> 10);
color.B = Utility.ClampToByte((intensity * 1024 + (color.B - intensity) * satFactor) >> 10);
HsvColor hsvColor = (new RgbColor(color.R, color.G, color.B)).ToHsv();
int hue = hsvColor.Hue;
hue += hueDelta;
while (hue < 0)
{
hue += 360;
}
while (hue > 360)
{
hue -= 360;
}
hsvColor.Hue = hue;
RgbColor rgbColor = hsvColor.ToRgb();
ColorBgra newColor = ColorBgra.FromBgr((byte)rgbColor.Blue, (byte)rgbColor.Green, (byte)rgbColor.Red);
newColor = blendOp.Apply(newColor);
newColor.A = color.A;
return(newColor);
}
public static ColorBgra ToBgraColor(this Gdk.Color color)
{
return(ColorBgra.FromBgr((byte)(color.Blue * 255 / ushort.MaxValue), (byte)(color.Green * 255 / ushort.MaxValue), (byte)(color.Red * 255 / ushort.MaxValue)));
}
public void SetFromLeveledHistogram(HistogramRgb inputHistogram, UnaryPixelOps.Level upo)
{
if (inputHistogram == null || upo == null)
{
return;
}
Clear();
float[] before = new float[3];
float[] slopes = new float[3];
for (int c = 0; c < 3; c++)
{
long[] channelHistogramOutput = histogram[c];
long[] channelHistogramInput = inputHistogram.histogram[c];
for (int v = 0; v <= 255; v++)
{
ColorBgra after = ColorBgra.FromBgr((byte)v, (byte)v, (byte)v);
upo.UnApply(after, before, slopes);
if (after[c] > upo.ColorOutHigh[c] ||
after[c] < upo.ColorOutLow[c] ||
(int)Math.Floor(before[c]) < 0 ||
(int)Math.Ceiling(before[c]) > 255 ||
float.IsNaN(before[c]))
{
channelHistogramOutput[v] = 0;
}
else if (before[c] <= upo.ColorInLow[c])
{
channelHistogramOutput[v] = 0;
for (int i = 0; i <= upo.ColorInLow[c]; i++)
{
channelHistogramOutput[v] += channelHistogramInput[i];
}
}
else if (before[c] >= upo.ColorInHigh[c])
{
channelHistogramOutput[v] = 0;
for (int i = upo.ColorInHigh[c]; i < 256; i++)
{
channelHistogramOutput[v] += channelHistogramInput[i];
}
}
else
{
channelHistogramOutput[v] = (int)(slopes[c] * Utility.Lerp(
channelHistogramInput[(int)Math.Floor(before[c])],
channelHistogramInput[(int)Math.Ceiling(before[c])],
before[c] - Math.Floor(before[c])));
}
}
}
OnHistogramUpdated();
}
public override ColorBgra GetPercentileColor(float fraction)
{
int[] perc = GetPercentile(fraction);
return(ColorBgra.FromBgr((byte)(perc[0]), (byte)(perc[1]), (byte)(perc[2])));
}
public override ColorBgra GetMeanColor()
{
float[] mean = GetMean();
return(ColorBgra.FromBgr((byte)(mean[0] + 0.5f), (byte)(mean[1] + 0.5f), (byte)(mean[2] + 0.5f)));
}
