public void Reset(View view)
{
BackgroundColor.Reset(view);
BackgroundImage.Reset(view);
BackgroundImageBorder.Reset(view);
Color.Reset(view);
Opacity.Reset(view);
ImageShadow.Reset(view);
BoxShadow.Reset(view);
CornerRadius.Reset(view);
}
public override BoxShadows Interpolate(double progress, BoxShadows oldValue, BoxShadows newValue)
{
int cnt = progress >= 1d ? newValue.Count : oldValue.Count;
if (cnt == 0)
{
return(new BoxShadows());
}
BoxShadow first;
if (oldValue.Count > 0 && newValue.Count > 0)
{
first = s_boxShadowAnimator.Interpolate(progress, oldValue[0], newValue[0]);
}
else if (oldValue.Count > 0)
{
first = oldValue[0];
}
else
{
first = newValue[0];
}
if (cnt == 1)
{
return(new BoxShadows(first));
}
var rest = new BoxShadow[cnt - 1];
for (var c = 0; c < rest.Length; c++)
{
var idx = c + 1;
if (oldValue.Count > idx && newValue.Count > idx)
{
rest[c] = s_boxShadowAnimator.Interpolate(progress, oldValue[idx], newValue[idx]);
}
else if (oldValue.Count > idx)
{
rest[c] = oldValue[idx];
}
else
{
rest[c] = newValue[idx];
}
}
return(new BoxShadows(first, rest));
}
public object ProvideValue(IServiceProvider serviceProvider)
{
var bx = new BoxShadow()
{
IsInset = IsInset,
Blur = BlurRadius,
Spread = SpreadRadius,
Color = ShadowColor,
OffsetX = HorizontalLength,
OffsetY = VerticalLength
};
return(new BoxShadows(bx));
}
public static BoxShadowFilter Create(SKPaint paint, BoxShadow shadow, double opacity)
{
var ac = shadow.Color;
SKImageFilter filter = null;
filter = SKImageFilter.CreateBlur(SkBlurRadiusToSigma(shadow.Blur), SkBlurRadiusToSigma(shadow.Blur));
var color = new SKColor(ac.R, ac.G, ac.B, (byte)(ac.A * opacity));
paint.Reset();
paint.IsAntialias = true;
paint.Color = color;
paint.ImageFilter = filter;
return(new BoxShadowFilter
{
Paint = paint, _filter = filter,
ClipOperation = shadow.IsInset ? SKClipOperation.Intersect : SKClipOperation.Difference
});
}
public void BoxShadow_Should_Parse()
{
foreach (var extraSpaces in new[] { false, true })
{
foreach (var inset in new[] { false, true })
{
for (var componentCount = 2; componentCount < 5; componentCount++)
{
var s = (inset ? "inset " : "") + "10 20";
double blur = 0;
double spread = 0;
if (componentCount > 2)
{
s += " 30";
blur = 30;
}
if (componentCount > 3)
{
s += " 40";
spread = 40;
}
s += " red";
if (extraSpaces)
{
s = " " + s.Replace(" ", " ") + " ";
}
var parsed = BoxShadow.Parse(s);
Assert.Equal(inset, parsed.IsInset);
Assert.Equal(10, parsed.OffsetX);
Assert.Equal(20, parsed.OffsetY);
Assert.Equal(blur, parsed.Blur);
Assert.Equal(spread, parsed.Spread);
Assert.Equal(Colors.Red, parsed.Color);
}
}
}
}
