Data commit

Task/Sierpinski-triangle-Graphical/Go/sierpinski-triangle-graphical.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+    "fmt"
+    "image"
+    "image/color"
+    "image/draw"
+    "image/png"
+    "os"
+)
+
+func main() {
+    const order = 8
+    const width = 1 << order
+    const margin = 10
+    bounds := image.Rect(-margin, -margin, width+2*margin, width+2*margin)
+    im := image.NewGray(bounds)
+    gBlack := color.Gray{0}
+    gWhite := color.Gray{255}
+    draw.Draw(im, bounds, image.NewUniform(gWhite), image.ZP, draw.Src)
+
+    for y := 0; y < width; y++ {
+        for x := 0; x < width; x++ {
+            if x&y == 0 {
+                im.SetGray(x, y, gBlack)
+            }
+        }
+    }
+    f, err := os.Create("sierpinski.png")
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+    if err = png.Encode(f, im); err != nil {
+        fmt.Println(err)
+    }
+    if err = f.Close(); err != nil {
+        fmt.Println(err)
+    }
+}