linewidth example

examples/linewidth.go

@@ -0,0 +1,19 @@
+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")
+}