Draws list over the current pixels of target, without a background.
public void Render(DisplayList list, Bitmap target, in Matrix deviceTransform)
The display list.
The bitmap; drawing is clipped to it.
The transform from the list's default user space to the bitmap's pixels (origin top-left, y down), such as GetDeviceTransform(PdfPage); a tile renderer adds its own offset.
ISO 32000-2 §8.3.2.2 (device space).