fix Picture creation optimization
@@ -22,8 +22,8 @@ type Picture struct {
func NewPicture(img image.Image, smooth bool) *Picture {
// convert the image to RGBA format
var rgba *image.RGBA
- if img, ok := img.(*image.RGBA); ok {
- rgba = img
+ if rgbaImg, ok := img.(*image.RGBA); ok {
+ rgba = rgbaImg
} else {
rgba = image.NewRGBA(image.Rect(0, 0, img.Bounds().Dx(), img.Bounds().Dy()))
draw.Draw(rgba, rgba.Bounds(), img, img.Bounds().Min, draw.Src)
