Add Sprite to widget showcase

examples/showcase/main.go

@@ -76,6 +76,12 @@ func main() {
 		w.AddChildWithLabel(example, defaultFocus, "Select")
 	}
 
+	// Sprite.
+	{
+		example, defaultFocus := newSpriteExample()
+		w.AddChildWithLabel(example, defaultFocus, "Sprite")
+	}
+
 	// Text.
 	{
 		example, defaultFocus := newTextExample()

examples/showcase/sprite.go

@@ -0,0 +1,29 @@
+//go:build example
+
+package main
+
+import (
+	"bytes"
+	_ "embed"
+	"image"
+	_ "image/png"
+	"log"
+
+	"code.rocket9labs.com/tslocum/etk"
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+//go:embed asset/lenna.png
+var assetLenna []byte
+
+func newSpriteExample() (etk.Widget, etk.Widget) {
+	sourceImg, _, err := image.Decode(bytes.NewReader(assetLenna))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	s := etk.NewSprite(ebiten.NewImageFromImage(sourceImg))
+	s.SetHorizontal(etk.AlignStart)
+	s.SetVertical(etk.AlignStart)
+	return s, nil
+}