/// <summary>
/// 当 <see cref="P:System.Windows.Controls.Primitives.RangeBase.Value" /> 属性更改时，更新 <see cref="T:System.Windows.Controls.Slider" /> 的当前位置。
/// </summary>
/// <param name="oldValue"><see cref="T:System.Windows.Controls.Slider" /> 的旧 <see cref="P:System.Windows.Controls.Primitives.RangeBase.Value" />。</param>
/// <param name="newValue"><see cref="T:System.Windows.Controls.Slider" /> 的新 <see cref="P:System.Windows.Controls.Primitives.RangeBase.Value" />。</param>
protected override void OnValueChanged(double oldValue, double newValue)
{
base.OnValueChanged(oldValue, newValue);
Color color = ColorUtilities.ConvertHsvToRgb(360 - newValue, 1, 1);
SelectedColor = color;
}
/// <summary>
/// Generates a list of colors with hues ranging from 0 360 and a saturation and value of 1.
/// </summary>
/// <returns>List<Color>.</returns>
public static List <Color> GenerateHsvSpectrum()
{
List <Color> colorsList = new List <Color>(8);
for (int i = 0; i < 29; i++)
{
colorsList.Add(ColorUtilities.ConvertHsvToRgb(i * 12, 1, 1));
}
colorsList.Add(ColorUtilities.ConvertHsvToRgb(0, 1, 1));
return(colorsList);
}
/// <summary>
/// Calculates the color.
/// </summary>
/// <param name="p">The p.</param>
private void CalculateColor(Point p)
{
HsvColor hsv = new HsvColor(360 - _spectrumSlider.Value, 1, 1)
{
S = p.X,
V = 1 - p.Y
};
var currentColor = ColorUtilities.ConvertHsvToRgb(hsv.H, hsv.S, hsv.V);
currentColor.A = A;
SelectedColor = currentColor;
SetHexadecimalStringProperty(GetFormatedColorString(SelectedColor), false);
}
