private unsafe void ApplySepiaToPixel(byte *blue, double factor)
{
int tone = RgbComponentOperations.ComputeSepiaTone(*blue, *(blue + (byte)Argb.green), *(blue + (byte)Argb.red));
*blue = RgbComponentOperations.ComputeSepiaBlue(tone);
*(blue + (byte)Argb.green) = RgbComponentOperations.ComputeSepiaGreen(tone);
*(blue + (byte)Argb.red) = RgbComponentOperations.ComputeSepiaRed(tone);
}
private unsafe void ApplyInversionToPixel(byte *blue, double factor)
{
for (Argb i = Argb.blue; i <= Argb.red; ++i)
{
byte componentValue = *(blue + (byte)i);
*(blue + (byte)i) = RgbComponentOperations.Invert(componentValue, (int)factor);
}
}
private unsafe void ApplyGammaCorrectionToPixel(byte *blue, double factor)
{
for (Argb i = Argb.blue; i <= Argb.red; ++i)
{
byte componentValue = *(blue + (byte)i);
*(blue + (byte)i) = RgbComponentOperations.Gamma(componentValue, factor);
}
}
private unsafe void ApplyExposureCompensationToPixel(byte *blue, double factor)
{
for (Argb i = Argb.blue; i <= Argb.red; ++i)
{
byte componentValue = *(blue + (byte)i);
*(blue + (byte)i) = RgbComponentOperations.Exposure(componentValue, factor);
}
}
private unsafe void ApplyBrightnessToPixel(byte *blue, double factor)
{
for (Argb i = Argb.blue; i <= Argb.red; ++i)
{
byte componentValue = *(blue + (byte)i);
*(blue + (byte)i) = RgbComponentOperations.ChangeBrightness(componentValue, factor);
}
}
private byte ApplyBlur(byte[] neighborhood)
{
int sum = 0;
for (int i = 0; i < neighborhoodSize; ++i)
{
sum += neighborhood[i];
}
return(RgbComponentOperations.ControlOverflow(sum / neighborhoodSize));
}
protected override byte ComputeNewRgbComponentValue(byte[] neighborhood)
{
double sum = 0;
for (int i = 0; i < neighborhood.Length; ++i)
{
sum += neighborhood[i] * kernel[i];
}
sum *= factor;
return(RgbComponentOperations.ControlOverflow(sum));
}
private unsafe void ApplyBrightnessToPixelBlue(byte *blue, double factor)
{
byte componentValue = *blue;
*blue = RgbComponentOperations.ChangeBrightness(componentValue, factor);
}
private unsafe void ApplyBrightnessToPixelGreen(byte *blue, double factor)
{
byte componentValue = *(blue + (byte)Argb.green);
*(blue + (byte)Argb.green) = RgbComponentOperations.ChangeBrightness(componentValue, factor);
}
private unsafe void ApplyBlackAndWhiteToPixel(byte *blue, double factor)
{
*blue = *(blue + (byte)Argb.green) = *(blue + (byte)Argb.red) =
RgbComponentOperations.BlackAndWhite(*blue, *(blue + (byte)Argb.green), *(blue + (byte)Argb.red));
}
private unsafe void ApplyThresholdToPixel(byte *blue, double factor)
{
*blue = *(blue + (byte)Argb.green) = *(blue + (byte)Argb.red) =
RgbComponentOperations.Threshold(*blue, *(blue + (byte)Argb.green), *(blue + (byte)Argb.red), (byte)factor);
}
