public static bool ColorCorrections(string fileName, int brightness, int contrast, double gamma, int hue, float saturation)
{
if (String.IsNullOrEmpty(fileName)) throw new ArgumentNullException("fileName");
bool result = false;
using (var ms = new MemoryStream(File.ReadAllBytes(fileName)))
{
using (Bitmap bmp = new Bitmap(ms))
{
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-255, +255] default 10
if (brightness >= -255 && brightness != 0 && brightness <= 255)
{
BrightnessCorrection filter = new BrightnessCorrection(brightness);
filter.ApplyInPlace(bmp);
result = true;
}
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-127, +127] default 10
if (contrast >= -127 && contrast != 0 && contrast <= 127)
{
ContrastCorrection filter = new ContrastCorrection(contrast);
filter.ApplyInPlace(bmp);
result = true;
}
//The filter accepts 8 bpp grayscale and 24 bpp color images for processing, value [0.1, 5.0] default 1.0
if (gamma >= 0.1D && gamma != 1D && gamma <= 5D)
{
GammaCorrection filter = new GammaCorrection(gamma);
filter.ApplyInPlace(bmp);
result = true;
}
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-180, +180] default 0
if (hue >= -180 && hue != 0 && hue <= 180)
{
HueModifier filter = new HueModifier(hue);
filter.ApplyInPlace(bmp);
result = true;
}
//The filter accepts 24 and 32 bpp color images for processing, value specified percentage [-1, +1] default 0.1
if (saturation >= -100f && saturation != 0f && saturation <= 100f)
{
SaturationCorrection filter = new SaturationCorrection(saturation / 100);
filter.ApplyInPlace(bmp);
result = true;
}
bmp.Save(fileName);
}
}
return result;
}
private static Bitmap changeHSL(Bitmap bmp, int h, double s, double l, bool keepBW, bool keepGray, int grayTolerance)
{
s = Math.Round(s / 100, 2);
l = Math.Round(l / 100, 2);
HueModifierRelative hue = new HueModifierRelative(h, keepBW);
SaturationCorrection saturation = new SaturationCorrection(s, keepBW, keepGray, grayTolerance);
BrightnessCorrection bright = new BrightnessCorrection(l, keepBW, keepGray, grayTolerance);
hue.ApplyInPlace(bmp);
saturation.ApplyInPlace(bmp);
bright.ApplyInPlace(bmp);
return bmp;
}
public static BitmapSource ColorCorrections(BitmapSource source, int brightness, int contrast, double gamma, int hue, float saturation)
{
if (source == null) throw new ArgumentNullException("source");
BitmapSource output = null;
if (source.Format == PixelFormats.Bgr32 && gamma != 1D)
{
source = new FormatConvertedBitmap(source, PixelFormats.Bgr24, null, 0);
}
using (Bitmap bmp = Convert(source))
{
int bpp = source.Format.BitsPerPixel;
if (bpp == 8 || bpp == 24 || bpp == 32)
{
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-255, +255] default 10
if (brightness >= -255 && brightness != 0 && brightness <= 255)
{
BrightnessCorrection filter = new BrightnessCorrection(brightness);
filter.ApplyInPlace(bmp);
}
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-127, +127] default 10
if (contrast >= -127 && contrast != 0 && contrast <= 127)
{
ContrastCorrection filter = new ContrastCorrection(contrast);
filter.ApplyInPlace(bmp);
}
}
if (bpp == 8 || bpp == 24)
{
//The filter accepts 8 bpp grayscale and 24 bpp color images for processing, value [0.1, 5.0] default 1.0
if (gamma >= 0.1D && gamma != 1D && gamma <= 5D)
{
GammaCorrection filter = new GammaCorrection(gamma);
filter.ApplyInPlace(bmp);
}
}
if (bpp == 8 || bpp == 24 || bpp == 32)
{
//The filter accepts 8 bpp grayscale and 24/32 bpp color images for processing, value [-180, +180] default 0
if (hue >= -180 && hue != 0 && hue <= 180)
{
HueModifier filter = new HueModifier(hue);
filter.ApplyInPlace(bmp);
}
}
if (bpp == 24 || bpp == 32)
{
//The filter accepts 24 and 32 bpp color images for processing, value specified percentage [-1, +1] default 0.1
if (saturation >= -100f && saturation != 0f && saturation <= 100f)
{
SaturationCorrection filter = new SaturationCorrection(saturation / 100);
filter.ApplyInPlace(bmp);
}
}
output = Convert(bmp);
}
return CloneImage(output);
}
