refactor

pkg/mesh/wallpaper/swaybg.go

@@ -0,0 +1,37 @@
+package wallpaper
+
+import (
+	"bytes"
+	"image"
+	"image/png"
+	"os"
+	"os/exec"
+)
+
+var err error
+
+func Wallpaper(img image.Image) error {
+	/*
+	cmd := exec.Command(
+		"swaybg",
+		"--image", "/dev/stdin",
+		"--mode", "fill",
+	)
+	*/
+	cmd := exec.Command("imv", "/dev/stdin")
+
+	var buf = new(bytes.Buffer)
+	err := png.Encode(buf, img)
+	if err != nil {
+		panic(err)
+	}
+
+	cmd.Stderr = os.Stdout
+	cmd.Stdin = buf
+
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+	return nil
+}