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intersect_rounded_rects

webrender::clip

Function intersect_rounded_rects 

Source 
pub fn intersect_rounded_rects(
    rect_a: LayoutRect,
    radius_a: BorderRadius,
    rect_b: LayoutRect,
    radius_b: BorderRadius,
) -> Option<(LayoutRect, BorderRadius)>
Expand description

Try to intersect two ClipMode::Clip rounded rects (in the same coordinate space) into a single rounded rect. Returns None if the two rounded rects cannot be combined (e.g. their curved regions overlap in a way that can’t be represented by a single rounded rect).