create_offscreen_renderer

create_offscreen_renderer :: (width: int, height: int) -> *Renderer

Create a renderer drawing into an offscreen texture of width by height pixels, for tests and screenshots. Returns null if no adapter is available.

Parameters

width: int

the target width in pixels.

height: int

the target height in pixels.

Returns

*Renderer

ui := headless();
defer free_ui(*ui);
renderer := create_offscreen_renderer(640, 480);
defer destroy_renderer(renderer);
image := render_to_image(renderer, *ui, rgb(20, 20, 30));