/// <summary>
/// Method that will set properties to be inherited by this branch renderer's
/// children and will iterate over all children in order to draw them.
/// </summary>
/// <param name="context">
/// the object that knows the place to draw this element and
/// maintains its state
/// </param>
protected internal override void DoDraw(SvgDrawContext context)
{
if (GetChildren().Count > 0)
{
// if branch has no children, don't do anything
PdfStream stream = new PdfStream();
stream.Put(PdfName.Type, PdfName.XObject);
stream.Put(PdfName.Subtype, PdfName.Form);
PdfFormXObject xObject = (PdfFormXObject)PdfXObject.MakeXObject(stream);
PdfCanvas newCanvas = new PdfCanvas(xObject, context.GetCurrentCanvas().GetDocument());
ApplyViewBox(context);
//Bounding box needs to be written after viewbox calculations to account for pdf syntax interaction
stream.Put(PdfName.BBox, new PdfArray(context.GetCurrentViewPort()));
context.PushCanvas(newCanvas);
ApplyViewportClip(context);
ApplyViewportTranslationCorrection(context);
foreach (ISvgNodeRenderer child in GetChildren())
{
newCanvas.SaveState();
child.Draw(context);
newCanvas.RestoreState();
}
CleanUp(context);
context.GetCurrentCanvas().AddXObject(xObject, 0, 0);
}
}
/// <summary>
/// Method that will set properties to be inherited by this branch renderer's
/// children and will iterate over all children in order to draw them.
/// </summary>
/// <param name="context">
/// the object that knows the place to draw this element and
/// maintains its state
/// </param>
protected internal override void DoDraw(SvgDrawContext context)
{
// if branch has no children, don't do anything
if (GetChildren().Count > 0)
{
PdfStream stream = new PdfStream();
stream.Put(PdfName.Type, PdfName.XObject);
stream.Put(PdfName.Subtype, PdfName.Form);
PdfFormXObject xObject = (PdfFormXObject)PdfXObject.MakeXObject(stream);
PdfCanvas newCanvas = new PdfCanvas(xObject, context.GetCurrentCanvas().GetDocument());
ApplyViewBox(context);
bool overflowVisible = IsOverflowVisible(this);
// TODO (DEVSIX-3482) Currently overflow logic works only for markers. Update this code after the ticket will be finished.
if (this is MarkerSvgNodeRenderer && overflowVisible)
{
WriteBBoxAccordingToVisibleOverflow(context, stream);
}
else
{
Rectangle bbBox = context.GetCurrentViewPort().Clone();
stream.Put(PdfName.BBox, new PdfArray(bbBox));
}
if (this is MarkerSvgNodeRenderer)
{
((MarkerSvgNodeRenderer)this).ApplyMarkerAttributes(context);
}
context.PushCanvas(newCanvas);
// TODO (DEVSIX-3482) Currently overflow logic works only for markers. Update this code after the ticket will be finished.
if (!(this is MarkerSvgNodeRenderer) || !overflowVisible)
{
ApplyViewportClip(context);
}
ApplyViewportTranslationCorrection(context);
foreach (ISvgNodeRenderer child in GetChildren())
{
if (!(child is MarkerSvgNodeRenderer))
{
newCanvas.SaveState();
child.Draw(context);
newCanvas.RestoreState();
}
}
CleanUp(context);
// transformation already happened in AbstractSvgNodeRenderer, so no need to do a transformation here
context.GetCurrentCanvas().AddXObject(xObject, 0, 0);
}
}
