/// <summary>
/// Creates a comic rendered copy of the input image.
/// </summary>
public override Bitmap Render(Bitmap sourceImage)
{
GrayscaleToRGB convertColor = new GrayscaleToRGB();
if (sourceImage.PixelFormat == PixelFormat.Format8bppIndexed)
{
sourceImage = convertColor.Apply(sourceImage);
}
BilateralBlur blur = new BilateralBlur(3, 0.1);
Bitmap comic = blur.Apply(sourceImage);
// Edges
Bitmap grayscale = Grayscale.CommonAlgorithms.Y.Apply(comic);
SobelEdgeDetector sobelEdge = new SobelEdgeDetector();
sobelEdge.ScaleIntensity = true;
Bitmap edgeLayer = sobelEdge.Apply(grayscale);
edgeLayer = convertColor.Apply(edgeLayer);
Invert invertEdge = new Invert();
invertEdge.ApplyInPlace(edgeLayer);
HSLLinear edgeLinear = new HSLLinear();
edgeLinear.InLuminance.Min = 0;
edgeLinear.InLuminance.Max = 0.8;
edgeLinear.ApplyInPlace(edgeLayer);
// highlights
Bitmap highlightLayer = invertEdge.Apply(edgeLayer);
Dilatation highlightDilitation = new Dilatation();
highlightDilitation.ApplyInPlace(highlightLayer);
BrightnessCorrection highlightBright = new BrightnessCorrection(-0.35);
highlightBright.ApplyInPlace(highlightLayer);
ColorDodge highlightBlend = new ColorDodge(highlightLayer);
highlightBlend.ApplyInPlace(comic);
// Merge edges with working layer
Multiply multEdge = new Multiply(edgeLayer);
multEdge.ApplyInPlace(comic);
return(comic);
}
/// <summary>
/// Creates a comic rendered copy of the input image.
/// </summary>
public override Bitmap Render(Bitmap sourceImage)
{
Bitmap sketchImage = AForge.Imaging.Image.Clone(sourceImage);
GrayscaleY convertGray = new GrayscaleY();
// Blur
GaussianBlur filterBlur = new GaussianBlur();
filterBlur.Sigma = this.PencilTipSize;
filterBlur.Size = this.PencilTipSize;
Bitmap overLayer = filterBlur.Apply(sketchImage);
// Invert over layer
Invert sketchInvert = new Invert();
sketchInvert.ApplyInPlace(overLayer);
BrightnessCorrection filterBrightness = new BrightnessCorrection(-this.Range * 0.01);
filterBrightness.ApplyInPlace(overLayer);
ContrastCorrection filterContrast = new ContrastCorrection(1 - (-this.Range * 0.01));
filterContrast.ApplyInPlace(overLayer);
// Convert to grayscale
sketchImage = convertGray.Apply(sketchImage);
overLayer = convertGray.Apply(overLayer);
// Dodge blending for the win!
ColorDodge dodgeBlend = new ColorDodge(overLayer);
dodgeBlend.ApplyInPlace(sketchImage);
return(sketchImage);
}
DEFINE_STANDARD_OP(ColorDodge, COLORDODGE)
