Adding sprite loading

sprite.go

@@ -0,0 +1,34 @@
+package pixelutils
+
+import (
+ "image"
+ "os"
+
+ "github.com/faiface/pixel"
+)
+
+// Helper to load a sprite from file and make a Pixel.Sprite from it
+func LoadSprite(path string) (sprite *pixel.Sprite, err error) {
+ var data *pixel.PictureData
+ if data, err = LoadPictureData(path); err != nil {
+ return nil, err
+ }
+
+ return pixel.NewSprite(data, data.Bounds()), nil
+}
+
+// Helper to load a sprite from a file and make Pixel.PictureData from it
+func LoadPictureData(path string) (data *pixel.PictureData, err 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
+}