protected override void RenderGroup(CanvasDrawingSession session, SvgGroupElement element)
{
using (var t = TransformSession.CreateTransformSession(session, element.Transform.Result))
{
this.RenderChildren(session, element.ChildNodes);
}
}
protected override void RenderUse(CanvasDrawingSession session, SvgUseElement element)
{
using (var t = TransformSession.CreateTransformSession(session, element.Transform.Result))
{
this.RenderChild(session, element.InstanceRoot);
}
}
protected override void RenderLine(CanvasDrawingSession session, SvgLineElement element)
{
var x1 = this.LengthConverter.ConvertX(element.X1);
var y1 = this.LengthConverter.ConvertY(element.Y1);
var x2 = this.LengthConverter.ConvertX(element.X2);
var y2 = this.LengthConverter.ConvertY(element.Y2);
using (var t = TransformSession.CreateTransformSession(session, element.Transform.Result))
{
var area = new Rect(Math.Min(x1, x2), Math.Min(y1, y2), Math.Abs(y2 - x1), Math.Abs(y2 - y1));
var stroke = element.Style.Stroke;
if (stroke != null && stroke.PaintType != SvgPaintType.None)
{
var pen = this.CreatePaint(session, area, stroke, element.Style.StrokeOpacity);
var width = element.Style.StrokeWidth;
session.DrawLine(x1, y1, x2, y2, pen, width.HasValue ? this.LengthConverter.Convert(width.Value) : 1.0F);
}
}
}
private void RenderGeometory(CanvasDrawingSession session, CanvasGeometry geometry, SvgMatrix transform, CssStyleDeclaration style)
{
bool change = false;
var geometry2 = geometry;
CanvasSolidColorBrush opacityBrush = null;
try
{
using (var t = TransformSession.CreateTransformSession(session, transform))
{
var clipPath = style.ClipPath;
if (clipPath != null)
{
if (clipPath.Uri[0] != '#')
{
throw new ArgumentException();
}
var clipPathElement = (SvgClipPathElement)this.TargetDocument.GetElementById(clipPath.Uri.Substring(1));
var clipGeometory = this.CreateClipPath(session, clipPathElement);
geometry2 = geometry.CombineWith(
clipGeometory,
new Matrix3x2 {
M11 = 1.0F, M12 = 0.0F, M21 = 0.0F, M22 = 1.0F, M31 = 0.0F, M32 = 0.0F
},
CanvasGeometryCombine.Intersect,
CanvasGeometry.ComputeFlatteningTolerance(session.Dpi, 1.0F, session.Transform));
change = true;
}
var area = geometry2.ComputeBounds();
var opacity = style.Opacity;
if (opacity != null)
{
opacityBrush = this.CreateOpacity(session, opacity.Value);
}
var fill = style.Fill;
if (fill == null || fill != null && fill.PaintType != SvgPaintType.None)
{
var pen = this.CreatePaint(session, area, fill, style.FillOpacity);
if (opacityBrush == null)
{
session.FillGeometry(geometry2, pen);
}
else
{
session.FillGeometry(geometry2, pen, opacityBrush);
}
}
var stroke = style.Stroke;
if (stroke != null && stroke.PaintType != SvgPaintType.None)
{
var pen = this.CreatePaint(session, area, stroke, style.StrokeOpacity);
var strokeWidth = style.StrokeWidth;
session.DrawGeometry(geometry2, pen, strokeWidth.HasValue ? this.LengthConverter.Convert(strokeWidth.Value) : 1.0F);
}
}
}
finally
{
if (change)
{
geometry2.Dispose();
}
if (opacityBrush != null)
{
opacityBrush.Dispose();
}
}
}
