render_to_image

render_to_image :: (r: *Renderer, ui: *UI_State, clear: Color) -> Rendered_Image

Draw the UI's display list offscreen and read the pixels back. Free pixels with array_free.

Parameters

r: *Renderer

the offscreen renderer.

ui: *UI_State

the UI whose display list to draw.

clear: Color

the colour the target is cleared to first.

Returns

Rendered_Image

ui := headless();
defer free_ui(*ui);
renderer := create_offscreen_renderer(320, 200);
defer destroy_renderer(renderer);
image := render_to_image(renderer, *ui, rgb(255, 255, 255));