gg/examples/lines.go

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2016-02-19 04:21:29 +01:00
package main
import (
"math/rand"
"github.com/fogleman/dd"
)
func main() {
const W = 1024
const H = 1024
dc := dd.NewContext(W, H)
dc.SetSourceRGB(0, 0, 0)
dc.Paint()
for i := 0; i < 1000; i++ {
x1 := rand.Float64() * W
y1 := rand.Float64() * H
x2 := rand.Float64() * W
y2 := rand.Float64() * H
r := rand.Float64()
g := rand.Float64()
b := rand.Float64()
a := rand.Float64()*0.5 + 0.5
w := rand.Float64()*4 + 1
dc.SetSourceRGBA(r, g, b, a)
dc.SetLineWidth(w)
dc.Stroke()
dc.DrawLine(x1, y1, x2, y2)
}
dc.WriteToPNG("out.png")
}