add sprite to window

main.go

@@ -2,12 +2,30 @@
 package main
 
 import (
+	"image"
+	_ "image/png"
+	"os"
+
 	"github.com/faiface/pixel"
 	"github.com/faiface/pixel/pixelgl"
 	"golang.org/x/image/colornames"
 	//"github.com/go-gl/glfw/v3.2/glfw"
 )
 
+func loadPicture(path string) (pixel.Picture, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+
+	defer file.Close()
+	img, _, err := image.Decode(file)
+	if err != nil {
+		return nil, err
+	}
+	return pixel.PictureDataFromImage(img), nil
+}
+
 func run() {
 	cfg := pixelgl.WindowConfig{
 		Title:  "Pixel Rocks!",
@@ -20,7 +38,15 @@ func run() {
 		panic(err)
 	}
 
+	pic, err := loadPicture("hiking.png")
+	if err != nil {
+		panic(err)
+	}
+
+	sprite := pixel.NewSprite(pic, pic.Bounds())
+
 	win.Clear(colornames.Skyblue)
+	sprite.Draw(win, pixel.IM)
 
 	for !win.Closed() {
 		win.Update()