Capture currently rendered canvas layers as PNG without changing the host view.
Calls renderSync and copies available canvas content; does not await outstanding tiles or capture arbitrary DOM overlays. WebGL/non-canvas renderers are outside this capture contract.
Capture currently rendered canvas layers as PNG without changing the host view.
Calls renderSync and copies available canvas content; does not await outstanding tiles or capture arbitrary DOM overlays. WebGL/non-canvas renderers are outside this capture contract.