protected override unsafe bool ApplyFilter()
{
int pixelSize = Image.GetPixelFormatSize(this.Bitmap.PixelFormat) / 8;
byte *pointer = (byte *)this.Scan.ToPointer();
for (int y = 0; y < this.Bitmap.Height; ++y)
{
for (int x = 0; x < this.Bitmap.Width; ++x)
{
var rgb = new Rgb
{
Red = pointer[Rgb.RedPixel],
Green = pointer[Rgb.GreenPixel],
Blue = pointer[Rgb.BluePixel]
};
var hsl = Hsl.FromRgb(rgb);
hsl.Hue = this.hue;
rgb = hsl.ToRgb();
pointer[Rgb.RedPixel] = rgb.Red;
pointer[Rgb.GreenPixel] = rgb.Green;
pointer[Rgb.BluePixel] = rgb.Blue;
pointer += pixelSize;
}
pointer += this.Offset;
}
return(true);
}