/// <summary>
/// Renders the fill of the <see cref="SvgVisualElement"/> to the specified <see cref="RenderContext"/>
/// </summary>
protected internal virtual void BuildFill(VectorPath path, RenderContext renderer)
{
// Get the fill:
Loonim.TextureNode fill = Fill;
if (fill == null)
{
// Fill isn't active.
return;
}
// Get as a property:
Loonim.Property prop = (fill as Loonim.Property);
if (prop != null)
{
// Check if it's transparent:
if (prop.Colour.a == 0f)
{
return;
}
}
ApplyOpacity(FillOpacity, prop, ref fill);
// Fill now!
renderer.FillPath(fill, path, (FillRule == "evenodd"));
}
/// <summary>Applies an opacity value to a Loonim node.</summary>
private void ApplyOpacity(float opacity, Loonim.Property prop, ref Loonim.TextureNode fill)
{
opacity = (float)Math.Min(Math.Max(opacity * Opacity, 0), 1);
if (opacity == 1f)
{
return;
}
// If the value is simply a property, apply opacity straight to that:
if (prop == null)
{
// Must create a multiply by..
Color mult = new Color(1f, 1f, 1f, opacity);
fill = new Loonim.Multiply(
fill,
new Loonim.Property(mult)
);
}
else
{
// Must overwrite (because this can be called multiple times):
prop.Colour.a = opacity;
}
}
public override Loonim.TextureNode ToLoonimNode(RenderableData context)
{
// Create node:
Loonim.Blur node = new Loonim.Blur();
node.BlurMethod = Loonim.BlurMethod.Gaussian;
// Apply radius:
Loonim.Property radius = new Loonim.Property(this[0].GetRawDecimal());
node.RadiusX = radius;
node.RadiusY = radius;
return(node);
}
private bool BuildDefaultStroke(VectorPath path, RenderContext renderer)
{
Loonim.TextureNode stroke = Stroke;
if (stroke == null || path.FirstPathNode == null)
{
return(false);
}
// Get as a property:
Loonim.Property prop = (stroke as Loonim.Property);
if (prop != null)
{
// Check if it's transparent:
if (prop.Colour.a == 0f)
{
return(false);
}
}
float strokeWidth = StrokeWidth;
if (strokeWidth <= 0)
{
return(false);
}
ApplyOpacity(StrokeOpacity, prop, ref stroke);
if (path.Width == 0f)
{
path.RecalculateBounds();
}
// Stroke now!
renderer.StrokePath(stroke, path, strokeWidth, this);
// Ok:
return(true);
}
