private void UpdateColorShadeSelectorPosition(Color?color)
{
if ((_spectrumSlider == null) || (_colorShadingCanvas == null) || (color == null) || !color.HasValue)
{
return;
}
_currentColorPosition = null;
HsvColor hsv = HsvColor.RGBToHSV(color);
// HsvColor hsv = ColorUtilities.ConvertRgbToHsv(color.Value.R, color.Value.G, color.Value.B);
if (!(color.Value.R == color.Value.G && color.Value.R == color.Value.B))
{
_spectrumSlider.Value = 359 - hsv.Hue;
}
Point p = new Point(hsv.Saturation, 1 - hsv.Value);
_currentColorPosition = p;
_colorShadeSelectorTransform.X = (p.X * _colorShadingCanvas.Width) - 5;
_colorShadeSelectorTransform.Y = (p.Y * _colorShadingCanvas.Height) - 5;
}
/// <summary>
/// Updates all color channels in all spaces (Opacity, RGB, HSV)
/// from the given color parameter, or does nothing if the given
/// color parameter 'Has No Value' or is null.
/// </summary>
/// <param name="color"></param>
private void UpdateRGBValues(Color?color)
{
if ((color == null) || !color.HasValue)
{
return;
}
_surpressPropertyChanged = true;
A = color.Value.A;
R = color.Value.R;
G = color.Value.G;
B = color.Value.B;
HsvColor hsv = HsvColor.RGBToHSV(color);
H = hsv.Hue;
S = hsv.Saturation;
V = hsv.Value;
_surpressPropertyChanged = false;
}