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))); }