/// <summary>
/// Transforms every single part of a geomtry-based drawing.
/// </summary>
/// <param name="drawing"></param>
/// <param name="theme"></param>
private static void TransformParts(Media.Drawing drawing, IconTheme theme)
{
if (drawing is GeometryDrawing gd && gd.Brush is SolidColorBrush s)
{
var hsl = s.Color.ToHslColor();
var newL = TransformLuminosity(hsl, theme.BackgroundLuminosity);
var newColor = new HslColor(hsl.Hue, hsl.Saturation, newL, hsl.Alpha).ToColor();
s.Color = newColor;
}
/// <summary>
/// This method transforms colors of a geometry-based drawing to a desired theme.
/// </summary>
/// <param name="drawing">The input drawing</param>
/// <param name="theme">The desired theme</param>
/// <param name="checkLuminosity">If check uminosity is on, a dark drawing only can be converted to a light one, this is specially used
/// when you don't want your dark icon reveted to light when called twice</param>
/// <returns>A new drawing with converted colors</returns>
public static Media.Drawing TransformDrawing(Media.Drawing drawing, IconTheme theme, bool checkLuminosity = true)
{
var isDark = ThemeController.GetIsDark(drawing);
if (checkLuminosity)
{
if (isDark == IsDark(theme.BackgroundLuminosity))
{
return(drawing);
}
}
var newDrawing = drawing.CloneCurrentValue();
TransformParts(newDrawing, theme);
ThemeController.SetIsDark(newDrawing, !isDark);
return(newDrawing);
}