public void ApplyChromaKey(KalikoImage image)
{
var pixels = image.IntArray;
var keyHsb = ColorSpaceHelper.RGBtoHSB(KeyColor);
for (int i = 0; i < pixels.Length; i++)
{
int rgb = pixels[i];
int red = (rgb >> 16) & 0xff;
int green = (rgb >> 8) & 0xff;
int blue = rgb & 0xff;
HSB hsb = ColorSpaceHelper.RGBtoHSB(red, green, blue);
if (Math.Abs(hsb.Hue - keyHsb.Hue) < ToleranceHue && Math.Abs(hsb.Saturation - keyHsb.Saturation) < ToleranceSaturnation && Math.Abs(hsb.Brightness - keyHsb.Brightness) < ToleranceBrightness)
{
pixels[i] = rgb & 0xffffff;
}
else
{
pixels[i] = rgb;
}
}
image.IntArray = pixels;
}
public void ApplyChromaKey(KalikoImage image)
{
unsafe {
var bitmapData = image.LockBits();
var bytesPerPixel = Image.GetPixelFormatSize(bitmapData.PixelFormat) / 8;
var height = bitmapData.Height;
var widthInBytes = bitmapData.Width * bytesPerPixel;
var startOffset = (byte *)bitmapData.Scan0;
var keyHsb = ColorSpaceHelper.RGBtoHSB(KeyColor);
Parallel.For(0, height, y => {
var currentLine = startOffset + (y * bitmapData.Stride);
for (var x = 0; x < widthInBytes; x = x + bytesPerPixel)
{
var red = currentLine[x];
var green = currentLine[x + 1];
var blue = currentLine[x + 2];
var hsb = ColorSpaceHelper.RGBtoHSB(red, green, blue);
if (Abs(hsb.Hue, keyHsb.Hue) < ToleranceHue && Abs(hsb.Saturation, keyHsb.Saturation) < ToleranceSaturnation && Abs(hsb.Brightness, keyHsb.Brightness) < ToleranceBrightness)
{
currentLine[x + 3] = 0;
}
}
});
image.UnlockBits(bitmapData);
}
}
public override Color BlendColor(Color l, Color r)
{
Color c = r;
HSB hsv = ColorSpaceHelper.RGBtoHSB(c);
hsv.Brightness += (((IsPreview ? _noise : _noise2).NextDouble() - 0.5f) * 2) * GlobalSettings.NoiseSaturation;
if (hsv.Brightness < 0)
{
hsv.Brightness = 0;
}
if (hsv.Brightness > 1)
{
hsv.Brightness = 1;
}
return(Color.FromArgb(r.A, ColorSpaceHelper.HSBtoColor(hsv)));
}
