From 355c249356412c7d57ba99988710443443ae7809 Mon Sep 17 00:00:00 2001 From: Michael Fogleman Date: Thu, 18 Feb 2016 22:21:29 -0500 Subject: [PATCH] lines --- examples/lines.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 examples/lines.go diff --git a/examples/lines.go b/examples/lines.go new file mode 100644 index 0000000..b81478b --- /dev/null +++ b/examples/lines.go @@ -0,0 +1,31 @@ +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") +}