File: linewidth.go

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golang-github-fogleman-gg 1.3.0-3
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package main

import "github.com/fogleman/gg"

func main() {
	dc := gg.NewContext(1000, 1000)
	dc.SetRGB(1, 1, 1)
	dc.Clear()
	dc.SetRGB(0, 0, 0)
	w := 0.1
	for i := 100; i <= 900; i += 20 {
		x := float64(i)
		dc.DrawLine(x+50, 0, x-50, 1000)
		dc.SetLineWidth(w)
		dc.Stroke()
		w += 0.1
	}
	dc.SavePNG("out.png")
}