clip.go

package main

import "github.com/nzlov/gg"

func main() {
	dc := gg.NewContext(1000, 1000)
	dc.DrawCircle(350, 500, 300)
	dc.Clip()
	dc.DrawCircle(650, 500, 300)
	dc.Clip()
	dc.DrawRectangle(0, 0, 1000, 1000)
	dc.SetRGB(0, 0, 0)
	dc.Fill()
	dc.SavePNG("out.png")
}