public FragmentDrawable(SvgFragment svgFragment, SKRect skOwnerBounds, Drawable?root, Drawable?parent, Attributes ignoreAttributes = Attributes.None)
: base(svgFragment, root, parent)
{
IgnoreAttributes = ignoreAttributes;
IsDrawable = HasFeatures(svgFragment, IgnoreAttributes);
if (!IsDrawable)
{
return;
}
var svgFragmentParent = svgFragment.Parent;
float x = svgFragmentParent == null ? 0f : svgFragment.X.ToDeviceValue(UnitRenderingType.Horizontal, svgFragment, skOwnerBounds);
float y = svgFragmentParent == null ? 0f : svgFragment.Y.ToDeviceValue(UnitRenderingType.Vertical, svgFragment, skOwnerBounds);
var skSize = SvgExtensions.GetDimensions(svgFragment);
if (skOwnerBounds.IsEmpty)
{
skOwnerBounds = SKRect.Create(x, y, skSize.Width, skSize.Height);
}
CreateChildren(svgFragment, skOwnerBounds, this, this, ignoreAttributes);
IsAntialias = SvgPaintingExtensions.IsAntialias(svgFragment);
TransformedBounds = skOwnerBounds;
CreateTransformedBounds();
Transform = SvgTransformsExtensions.ToSKMatrix(svgFragment.Transforms);
var skMatrixViewBox = SvgTransformsExtensions.ToSKMatrix(svgFragment.ViewBox, svgFragment.AspectRatio, x, y, skSize.Width, skSize.Height);
SKMatrix.PreConcat(ref Transform, ref skMatrixViewBox);
switch (svgFragment.Overflow)
{
case SvgOverflow.Auto:
case SvgOverflow.Visible:
case SvgOverflow.Inherit:
break;
default:
if (skSize.IsEmpty)
{
Overflow = SKRect.Create(
x,
y,
Math.Abs(TransformedBounds.Left) + TransformedBounds.Width,
Math.Abs(TransformedBounds.Top) + TransformedBounds.Height);
}
else
{
Overflow = SKRect.Create(x, y, skSize.Width, skSize.Height);
}
break;
}
var clipPathUris = new HashSet <Uri>();
var svgClipPath = svgFragment.GetUriElementReference <SvgClipPath>("clip-path", clipPathUris);
if (svgClipPath != null && svgClipPath.Children != null)
{
ClipPath = IgnoreAttributes.HasFlag(Attributes.ClipPath) ? null : SvgClippingExtensions.GetClipPath(svgClipPath, TransformedBounds, clipPathUris, _disposable);
}
else
{
ClipPath = null;
}
Fill = null;
Stroke = null;
// TODO: Transform _skBounds using _skMatrix.
SKMatrix.MapRect(ref Transform, out TransformedBounds, ref TransformedBounds);
}
public static FragmentDrawable Create(SvgFragment svgFragment, Rect skOwnerBounds, DrawableBase?parent, IAssetLoader assetLoader, Attributes ignoreAttributes = Attributes.None)
{
var drawable = new FragmentDrawable(assetLoader)
{
Element = svgFragment,
Parent = parent,
IgnoreAttributes = ignoreAttributes
};
drawable.IsDrawable = drawable.HasFeatures(svgFragment, drawable.IgnoreAttributes);
if (!drawable.IsDrawable)
{
return(drawable);
}
var svgFragmentParent = svgFragment.Parent;
var x = svgFragmentParent is null ? 0f : svgFragment.X.ToDeviceValue(UnitRenderingType.Horizontal, svgFragment, skOwnerBounds);
var y = svgFragmentParent is null ? 0f : svgFragment.Y.ToDeviceValue(UnitRenderingType.Vertical, svgFragment, skOwnerBounds);
var skSize = SvgModelExtensions.GetDimensions(svgFragment);
if (skOwnerBounds.IsEmpty)
{
skOwnerBounds = Rect.Create(x, y, skSize.Width, skSize.Height);
}
drawable.CreateChildren(svgFragment, skOwnerBounds, drawable, assetLoader, ignoreAttributes);
drawable.IsAntialias = SvgModelExtensions.IsAntialias(svgFragment);
drawable.TransformedBounds = skOwnerBounds;
drawable.CreateTransformedBounds();
drawable.Transform = SvgModelExtensions.ToMatrix(svgFragment.Transforms);
var skMatrixViewBox = SvgModelExtensions.ToMatrix(svgFragment.ViewBox, svgFragment.AspectRatio, x, y, skSize.Width, skSize.Height);
drawable.Transform = drawable.Transform.PreConcat(skMatrixViewBox);
switch (svgFragment.Overflow)
{
case SvgOverflow.Auto:
case SvgOverflow.Visible:
case SvgOverflow.Inherit:
break;
default:
if (skSize.IsEmpty)
{
drawable.Overflow = Rect.Create(
x,
y,
Math.Abs(drawable.TransformedBounds.Left) + drawable.TransformedBounds.Width,
Math.Abs(drawable.TransformedBounds.Top) + drawable.TransformedBounds.Height);
}
else
{
drawable.Overflow = Rect.Create(x, y, skSize.Width, skSize.Height);
}
break;
}
var clipPathUris = new HashSet <Uri>();
var svgClipPath = svgFragment.GetUriElementReference <SvgClipPath>("clip-path", clipPathUris);
if (svgClipPath?.Children is { })