//Make this an extension method so there's not an AForge dependence wherever EMB is used
public static void ChangeHue(this EmbEntry entry, double hue, double _saturation, double lightness)
{
float brightness = (float)lightness / 5f;
float saturation = (float)_saturation;
Bitmap bitmap = (Bitmap)entry.DdsImage;
// Apply filters
var hueFilter = new AForge.Imaging.Filters.HueAdjustment((int)hue);
var hslFilter = new AForge.Imaging.Filters.HSLLinear();
//Apply filters
hueFilter.ApplyInPlace(bitmap);
if (lightness > 0 || saturation > 0)
{
//Taken from: https://csharp.hotexamples.com/examples/AForge.Imaging.Filters/HSLLinear/-/php-hsllinear-class-examples.html
// create luminance filter
if (brightness > 0)
{
hslFilter.InLuminance = new Range(0.0f, 1.0f - brightness); //TODO - isn't it better not to truncate, but compress?
hslFilter.OutLuminance = new Range(brightness, 1.0f);
}
else
{
hslFilter.InLuminance = new Range(-brightness, 1.0f);
hslFilter.OutLuminance = new Range(0.0f, 1.0f + brightness);
}
// create saturation filter
if (saturation > 0)
{
hslFilter.InSaturation = new Range(0.0f, 1.0f - saturation); //Ditto?
hslFilter.OutSaturation = new Range(saturation, 1.0f);
}
else
{
hslFilter.InSaturation = new Range(-saturation, 1.0f);
hslFilter.OutSaturation = new Range(0.0f, 1.0f + saturation);
}
if (hslFilter.FormatTranslations.ContainsKey(bitmap.PixelFormat))
{
hslFilter.ApplyInPlace(bitmap);
}
}
//Convert back to WPF Bitmap
entry.DdsImage = (WriteableBitmap)bitmap;
entry.wasEdited = true;
}
//Make this an extension method so there's not an AForge dependence wherever EMB is used
public static void ChangeHue(this EmbEntry entry, double hue, double _saturation, double lightness, List <IUndoRedo> undos = null, bool hueSet = false, int variance = 0)
{
float brightness = (float)lightness / 5f;
float saturation = (float)_saturation;
WriteableBitmap oldBitmap = entry.DdsImage;
Bitmap bitmap = (Bitmap)entry.DdsImage;
if (hueSet)
{
if (variance != 0)
{
hue += Random.Range(-variance, variance);
}
var hueFilter = new AForge.Imaging.Filters.HueModifier((int)hue);
hueFilter.ApplyInPlace(bitmap);
}
else
{
//Hue Adjustment (shifting)
// Apply filters
var hueFilter = new AForge.Imaging.Filters.HueAdjustment((int)hue);
var hslFilter = new AForge.Imaging.Filters.HSLLinear();
//Apply filters
hueFilter.ApplyInPlace(bitmap);
if (lightness > 0 || saturation > 0)
{
//Taken from: https://csharp.hotexamples.com/examples/AForge.Imaging.Filters/HSLLinear/-/php-hsllinear-class-examples.html
// create luminance filter
if (brightness > 0)
{
hslFilter.InLuminance = new Range(0.0f, 1.0f - brightness); //TODO - isn't it better not to truncate, but compress?
hslFilter.OutLuminance = new Range(brightness, 1.0f);
}
else
{
hslFilter.InLuminance = new Range(-brightness, 1.0f);
hslFilter.OutLuminance = new Range(0.0f, 1.0f + brightness);
}
// create saturation filter
if (saturation > 0)
{
hslFilter.InSaturation = new Range(0.0f, 1.0f - saturation); //Ditto?
hslFilter.OutSaturation = new Range(saturation, 1.0f);
}
else
{
hslFilter.InSaturation = new Range(-saturation, 1.0f);
hslFilter.OutSaturation = new Range(0.0f, 1.0f + saturation);
}
if (hslFilter.FormatTranslations.ContainsKey(bitmap.PixelFormat))
{
hslFilter.ApplyInPlace(bitmap);
}
}
}
//Convert back to WPF Bitmap
entry.DdsImage = (WriteableBitmap)bitmap;
entry.wasEdited = true;
if (undos != null)
{
undos.Add(new UndoableProperty <EmbEntry>(nameof(EmbEntry.DdsImage), entry, oldBitmap, entry.DdsImage));
}
}