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polygons

Function polygons 

Source
pub fn polygons(
    width: usize,
    height: usize,
    polygons: &[Vec<[i32; 2]>],
    value: u8,
) -> Result<Vec<u8>, String>
Expand description

任意整数多边形按偶奇扫描线填充,另绘制八连通边界。