public void DrawGeometry(Brush brush, Pen pen, Geometry geometry)
{
// Ignore total transparent primitive
if (Utility.IsTransparent(_opacity) || ((brush == null) && (pen == null || pen.Brush == null)) || (geometry == null))
{
return;
}
// Split if having both pen and brush
if ((brush != null) && (pen != null))
// if (!Utility.IsOpaque(_opacity) || (_opacityMask != null))
{
// Push a canvas to handle geometry with brush + pen properly
Push(Matrix.Identity, null, 1.0, null, Rect.Empty, false);
DrawGeometry(brush, null, geometry);
DrawGeometry(null, pen, geometry);
Pop();
return;
}
AssertState(DeviceState.PageStarted, DeviceState.NoChange);
GeometryPrimitive g = new GeometryPrimitive();
g.Geometry = geometry;
g.Clip = _clip;
g.Opacity = _opacity;
g.OpacityMask = _opacityMask;
int needBounds = 0; // 1 for fill, 2 for stroke
if (brush != null)
{
// Fix bug 1427695: Need bounds for non-SolidColorBrushes to enable rebuilding Brush from BrushProxy.
if (!(brush is SolidColorBrush))
{
needBounds |= 1;
}
}
if ((pen != null) && (pen.Brush != null))
{
if (!(pen.Brush is SolidColorBrush))
{
needBounds |= 2;
}
}
if (g.OpacityMask != null)
{
if (g.OpacityMask.BrushList == null && !(g.OpacityMask.Brush is SolidColorBrush))
{
if (pen != null)
{
needBounds |= 2;
}
else
{
needBounds |= 1;
}
}
}
Rect bounds = g.GetRectBounds((needBounds & 1) != 0);
if (brush != null)
{
g.Brush = BrushProxy.CreateBrush(brush, bounds);
}
if ((needBounds & 2) != 0)
{
bounds = geometry.GetRenderBounds(pen);
}
if ((pen != null) && (pen.Brush != null))
{
g.Pen = PenProxy.CreatePen(pen, bounds);
}
if (g.OpacityMask != null)
{
if (!g.OpacityMask.MakeBrushAbsolute(bounds))
{
// Fix bug 1463955: Brush has become empty; replace with transparent brush.
g.OpacityMask = BrushProxy.CreateColorBrush(Colors.Transparent);
}
}
// Optimization: Unfold primitive DrawingBrush when possible to avoid rasterizing it.
Primitive primitive = g.UnfoldDrawingBrush();
if (primitive != null)
{
_root.Children.Add(primitive);
}
}
