public override Drawable Mutate()
{
if (!_mutated && base.Mutate() == this)
{
_circleShadowState = new CircleShadowState(_circleShadowState);
_mutated = true;
}
return(this);
}
public CircleShadowDrawable(ShadowConfig config)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
//Stroke width sgould be device density, to avoid broken pixels
_paint.StrokeWidth = 1f;//(float)(Math.Round(Application.Context.Resources.DisplayMetrics.Density));
_circleShadowState = new CircleShadowState(config);
_config = config;
_iterations = (int)Helpers.DpToPx(_config.Blur);
_densityOffsetX = Helpers.DpToPx(_config.Offset.X);
//Wrong implementation for y offset should be inverted
//TODO need to fix
_densityOffsetY = Helpers.DpToPx(_config.Offset.Y) * -1;
_offsetWithBlurX = ShadowHelpers.GetOffsetWithBlur((int)_densityOffsetX, _iterations);
_offsetWithBlurY = ShadowHelpers.GetOffsetWithBlur((int)_densityOffsetY, _iterations);
CalculateColors();
}
public CircleShadowState(CircleShadowState state)
{
Config = state.Config;
this.cConfigurations = state.cConfigurations;
}