private void OnColorChanged <T>(AvaloniaPropertyChangedEventArgs <T> args)
{
// If we're in the process of internally updating the color, then we don't want to respond to the Color property changing,
// aside from raising the ColorChanged event.
if (!m_updatingColor)
{
var color = Color;
m_currentRgb = new Rgb(color.R / 255.0, color.G / 255.0, color.B / 255.0);
m_currentAlpha = color.A / 255.0;
m_currentHsv = ColorConversion.RgbToHsv(m_currentRgb);
m_currentHex = GetCurrentHexValue();
UpdateColorControls(ColorUpdateReason.ColorPropertyChanged);
}
var oldColor = args.OldValue.GetValueOrDefault <Color>();
var newColor = args.NewValue.GetValueOrDefault <Color>();
if (oldColor.A != newColor.A ||
oldColor.R != newColor.R ||
oldColor.G != newColor.G ||
oldColor.B != newColor.B)
{
var colorChangedEventArgs = new ColorChangedEventArgs(oldColor, newColor);
ColorChanged?.Invoke(this, colorChangedEventArgs);
}
}
private void UpdateColor(Rgb rgb, ColorUpdateReason reason)
{
m_currentRgb = rgb;
m_currentHsv = ColorConversion.RgbToHsv(m_currentRgb);
m_currentHex = GetCurrentHexValue();
SetColorAndUpdateControls(reason);
}
private void InitializeColor()
{
var color = Color;
m_currentRgb = new Rgb(color.R / 255.0, color.G / 255.0, color.B / 255.0);
m_currentHsv = ColorConversion.RgbToHsv(m_currentRgb);
m_currentAlpha = color.A / 255.0;
m_currentHex = GetCurrentHexValue();
SetColorAndUpdateControls(ColorUpdateReason.InitializingColor);
}
private Rgb ApplyConstraintsToRgbColor(Rgb rgb)
{
double minHue = MinHue;
double maxHue = MaxHue;
var minSaturation = MinSaturation / 100.0;
var maxSaturation = MaxSaturation / 100.0;
var minValue = MinValue / 100.0;
var maxValue = MaxValue / 100.0;
var hsv = ColorConversion.RgbToHsv(rgb);
hsv.H = Math.Min(Math.Max(hsv.H, minHue), maxHue);
hsv.S = Math.Min(Math.Max(hsv.S, minSaturation), maxSaturation);
hsv.V = Math.Min(Math.Max(hsv.V, minValue), maxValue);
return(ColorConversion.HsvToRgb(hsv));
}