private void UpdateColor(Hsv hsv, ColorUpdateReason reason)
{
m_currentHsv = hsv;
m_currentRgb = ColorConversion.HsvToRgb(hsv);
m_currentHex = GetCurrentHexValue();
SetColorAndUpdateControls(reason);
}
private static void AddGradientStop(LinearGradientBrush brush, double offset, Hsv hsvColor, double alpha)
{
var rgbColor = ColorConversion.HsvToRgb(hsvColor);
var color = Color.FromArgb(
(byte)Math.Round(alpha * 255),
(byte)Math.Round(rgbColor.R * 255),
(byte)Math.Round(rgbColor.G * 255),
(byte)Math.Round(rgbColor.B * 255));
var stop = new GradientStop(color, offset);
brush.GradientStops.Add(stop);
}
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));
}
private string GetToolTipString()
{
var sliderValue = (uint)Math.Round(Value);
if (ColorChannel == ColorPickerHsvChannel.Alpha)
{
return(string.Format(
CultureInfo.CurrentCulture,
LocalizedStrings.ToolTipStringAlphaSlider,
sliderValue));
}
else
{
var parentColorPicker = GetParentColorPicker();
if (parentColorPicker != null)
{
var currentHsv = parentColorPicker.CurrentHsv;
string localizedString;
switch (ColorChannel)
{
case ColorPickerHsvChannel.Hue:
currentHsv.H = Value;
localizedString = LocalizedStrings.ToolTipStringHueSliderWithColorName;
break;
case ColorPickerHsvChannel.Saturation:
localizedString = LocalizedStrings.ToolTipStringSaturationSliderWithColorName;
currentHsv.S = Value / 100;
break;
case ColorPickerHsvChannel.Value:
localizedString = LocalizedStrings.ToolTipStringValueSliderWithColorName;
currentHsv.V = Value / 100;
break;
default:
throw new NotSupportedException("Invalid ColorPickerHsvChannel.");
}
return(string.Format(
CultureInfo.CurrentCulture,
localizedString,
sliderValue,
ColorHelpers.ToDisplayName(ColorConversion.ColorFromRgba(ColorConversion.HsvToRgb(currentHsv)))));
}
else
{
var localizedString = ColorChannel switch
{
ColorPickerHsvChannel.Hue => LocalizedStrings.ToolTipStringHueSliderWithoutColorName,
ColorPickerHsvChannel.Saturation => LocalizedStrings.ToolTipStringSaturationSliderWithoutColorName,
ColorPickerHsvChannel.Value => LocalizedStrings.ToolTipStringValueSliderWithoutColorName,
_ => throw new NotSupportedException("Invalid ColorPickerHsvChannel."),
};
return(string.Format(
CultureInfo.CurrentCulture,
localizedString,
sliderValue));
}
}
}
