public void DrawSymbol(SvgSymbol svgSymbol, bool ignoreDisplay)
{
if (!CanDraw(svgSymbol, ignoreDisplay))
{
return;
}
_skCanvas.Save();
float x = 0f;
float y = 0f;
float width = svgSymbol.ViewBox.Width;
float height = svgSymbol.ViewBox.Height;
if (svgSymbol.CustomAttributes.TryGetValue("width", out string?_widthString))
{
if (new SvgUnitConverter().ConvertFrom(_widthString) is SvgUnit _width)
{
width = _width.ToDeviceValue(null, UnitRenderingType.Horizontal, svgSymbol);
}
}
if (svgSymbol.CustomAttributes.TryGetValue("height", out string?heightString))
{
if (new SvgUnitConverter().ConvertFrom(heightString) is SvgUnit _height)
{
height = _height.ToDeviceValue(null, UnitRenderingType.Vertical, svgSymbol);
}
}
var skRectBounds = SKRect.Create(x, y, width, height);
var skMatrixViewBox = SkiaUtil.GetSvgViewBoxTransform(svgSymbol.ViewBox, svgSymbol.AspectRatio, x, y, width, height);
var skMatrix = SkiaUtil.GetSKMatrix(svgSymbol.Transforms);
SKMatrix.PreConcat(ref skMatrix, ref skMatrixViewBox);
SetTransform(skMatrix);
SetClipPath(svgSymbol, _disposable);
var skPaintOpacity = SetOpacity(svgSymbol, _disposable);
var skPaintFilter = SetFilter(svgSymbol, _disposable);
foreach (var svgElement in svgSymbol.Children)
{
Draw(svgElement, ignoreDisplay);
}
if (skPaintFilter != null)
{
_skCanvas.Restore();
}
if (skPaintOpacity != null)
{
_skCanvas.Restore();
}
_skCanvas.Restore();
}
// TODO:
//public void DrawAnchor(SvgAnchor svgAnchor, bool ignoreDisplay)
//{
// _skCanvas.Save();
//
// var skMatrix = SkiaUtil.GetSKMatrix(svgAnchor.Transforms);
// SetTransform(skMatrix);
//
// var skPaintOpacity = SetOpacity(svgAnchor, _disposable);
//
// foreach (var svgElement in svgAnchor.Children)
// {
// Draw(svgElement, ignoreDisplay);
// }
//
// if (skPaintOpacity != null)
// {
// _skCanvas.Restore();
// }
//
// _skCanvas.Restore();
//}
public void DrawFragment(SvgFragment svgFragment, bool ignoreDisplay)
{
float x = svgFragment.X.ToDeviceValue(null, UnitRenderingType.Horizontal, svgFragment);
float y = svgFragment.Y.ToDeviceValue(null, UnitRenderingType.Vertical, svgFragment);
var skSize = SkiaUtil.GetDimensions(svgFragment);
_skCanvas.Save();
switch (svgFragment.Overflow)
{
case SvgOverflow.Auto:
case SvgOverflow.Visible:
case SvgOverflow.Inherit:
break;
default:
var skClipRect = SKRect.Create(x, y, skSize.Width, skSize.Height);
_skCanvas.ClipRect(skClipRect, SKClipOperation.Intersect);
break;
}
var skMatrixViewBox = SkiaUtil.GetSvgViewBoxTransform(svgFragment.ViewBox, svgFragment.AspectRatio, x, y, skSize.Width, skSize.Height);
var skMatrix = SkiaUtil.GetSKMatrix(svgFragment.Transforms);
SKMatrix.PreConcat(ref skMatrix, ref skMatrixViewBox);
SetTransform(skMatrix);
var skPaintOpacity = SetOpacity(svgFragment, _disposable);
foreach (var svgElement in svgFragment.Children)
{
Draw(svgElement, ignoreDisplay);
}
if (skPaintOpacity != null)
{
_skCanvas.Restore();
}
_skCanvas.Restore();
}