pub fn set_node_id(canvas: &Canvas, node_id: i32)Expand description
Associate a node ID with subsequent drawing commands in a Canvas.
The same node ID can appear in a StructureElementNode in order to associate
a document’s structure element tree with its content.
A node ID of zero indicates no node ID. Negative node IDs are reserved.
canvas- The canvas used to draw to the PDF.node_id- The node ID for subsequent drawing commands.