protected override void OnRender(DrawingContext drawingContext)
{
foreach (var renderTarget in _renderTargets)
{
_textLine.Draw(drawingContext, renderTarget, InvertAxes.None);
}
}
// ------------------------------------------------------------------
// Render formatted line.
//
// ctx - Drawing context to be used for rendering.
// lineOffset - Offset of the line.
// wrappingWidth - Wrapping width for the line.
// ------------------------------------------------------------------
internal void Render(DrawingContext ctx, Point lineOffset)
{
Debug.Assert(_line != null, "Rendering line that has not been measured yet.");
// Handle text trimming.
System.Windows.Media.TextFormatting.TextLine line = _line;
if (_line.HasOverflowed && _owner.ParagraphProperties.TextTrimming != TextTrimming.None)
{
line = _line.Collapse(GetCollapsingProps(_wrappingWidth, _owner.ParagraphProperties));
Debug.Assert(line.HasCollapsed, "Line has not been collapsed");
}
double delta = CalculateXOffsetShift();
line.Draw(ctx, new Point(lineOffset.X + delta, lineOffset.Y), (_mirror ? InvertAxes.Horizontal : InvertAxes.None));
}