/// <summary>
/// Gets an overflow attribute
/// </summary>
/// <param name="name">Attribute name</param>
/// <param name="overflow">When this returns , contains the attribute value</param>
public unsafe void GetAttributeValue(string name, out SvgOverflow overflow)
{
fixed(SvgOverflow *ptr = &overflow)
{
GetAttributeValue(name, SvgAttributePodType.Overflow, new IntPtr(ptr), sizeof(SvgOverflow));
}
}
/// <summary>
/// Sets overflow mode attribute
/// </summary>
/// <param name="name">Attribute name</param>
/// <param name="overflow">New svg overfloe<param>
public unsafe void SetAttributeValue(string name, SvgOverflow overflow)
{
SetAttributeValue(name, SvgAttributePodType.Overflow, new IntPtr(&overflow), sizeof(SvgOverflow));
}
public SymbolDrawable(SvgSymbol svgSymbol, float x, float y, float width, float height, SKRect skOwnerBounds, Drawable?root, Drawable?parent, Attributes ignoreAttributes)
: base(svgSymbol, root, parent)
{
IgnoreAttributes = ignoreAttributes;
IsDrawable = CanDraw(svgSymbol, IgnoreAttributes) && HasFeatures(svgSymbol, IgnoreAttributes);
if (!IsDrawable)
{
return;
}
if (svgSymbol.CustomAttributes.TryGetValue("width", out string?_widthString))
{
if (new SvgUnitConverter().ConvertFromString(_widthString) is SvgUnit _width)
{
width = _width.ToDeviceValue(UnitRenderingType.Horizontal, svgSymbol, skOwnerBounds);
}
}
if (svgSymbol.CustomAttributes.TryGetValue("height", out string?heightString))
{
if (new SvgUnitConverter().ConvertFromString(heightString) is SvgUnit _height)
{
height = _height.ToDeviceValue(UnitRenderingType.Vertical, svgSymbol, skOwnerBounds);
}
}
SvgOverflow svgOverflow = SvgOverflow.Hidden;
if (svgSymbol.TryGetAttribute("overflow", out string overflowString))
{
if (new SvgOverflowConverter().ConvertFromString(overflowString) is SvgOverflow _svgOverflow)
{
svgOverflow = _svgOverflow;
}
}
switch (svgOverflow)
{
case SvgOverflow.Auto:
case SvgOverflow.Visible:
case SvgOverflow.Inherit:
break;
default:
Overflow = SKRect.Create(x, y, width, height);
break;
}
CreateChildren(svgSymbol, skOwnerBounds, root, this, ignoreAttributes);
IsAntialias = SvgPaintingExtensions.IsAntialias(svgSymbol);
TransformedBounds = SKRect.Empty;
CreateTransformedBounds();
Transform = SvgTransformsExtensions.ToSKMatrix(svgSymbol.Transforms);
var skMatrixViewBox = SvgTransformsExtensions.ToSKMatrix(svgSymbol.ViewBox, svgSymbol.AspectRatio, x, y, width, height);
Transform = Transform.PreConcat(skMatrixViewBox);
Fill = null;
Stroke = null;
// TODO: Transform _skBounds using _skMatrix.
TransformedBounds = Transform.MapRect(TransformedBounds);
}