/// <summary>
/// 更新颜色
/// </summary>
/// <param name="newColor">新的颜色</param>
/// <param name="preciseColor">如果新的颜色是由一个精确的颜色得来的，则应传递精确颜色值，否则传递null</param>
protected void UpdateColor(Color newColor, HsvColor? preciseColor)
{
if (updatingColor) return;
updatingColor = true;
HsvColor hsvColor = preciseColor.HasValue ? preciseColor.Value : HsvColor.FromArgb(newColor);
lastPreciseColor = preciseColor;
if (shadeCanvas != null)
{
if (preciseColor == null && hsvColor.S == 0 && hsvColor.V == 0)
{
Canvas.SetLeft(shadeSelector, shadeCanvas.ActualWidth - shadeSelector.ActualWidth / 2);
}
else
{
Canvas.SetLeft(shadeSelector, hsvColor.S * shadeCanvas.ActualWidth - shadeSelector.ActualWidth / 2);
}
Canvas.SetTop(shadeSelector, (1 - hsvColor.V) * shadeCanvas.ActualHeight - shadeSelector.ActualHeight / 2);
if (hsvColor.S > 0)
{
spectrumSlider.Value = hsvColor.H;
}
}
if (Color == newColor)
{
Color = newColor;
ForceUpdateTextBox();
}
else
{
Color = newColor;
}
updatingColor = false;
}