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package main
import (
"github.com/fogleman/gg"
)
func main() {
const W = 1000
const H = 1000
const Minor = 10
const Major = 100
dc := gg.NewContext(W, H)
dc.SetRGB(1, 1, 1)
dc.Clear()
// minor grid
for x := Minor; x < W; x += Minor {
fx := float64(x) + 0.5
dc.DrawLine(fx, 0, fx, H)
}
for y := Minor; y < H; y += Minor {
fy := float64(y) + 0.5
dc.DrawLine(0, fy, W, fy)
}
dc.SetLineWidth(1)
dc.SetRGBA(0, 0, 0, 0.25)
dc.Stroke()
// major grid
for x := Major; x < W; x += Major {
fx := float64(x) + 0.5
dc.DrawLine(fx, 0, fx, H)
}
for y := Major; y < H; y += Major {
fy := float64(y) + 0.5
dc.DrawLine(0, fy, W, fy)
}
dc.SetLineWidth(1)
dc.SetRGBA(0, 0, 0, 0.5)
dc.Stroke()
dc.SavePNG("out.png")
}
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