func (i *Image) internalSize() (int, int) {
	if i.w2 == 0 || i.h2 == 0 {
		w, h := i.image.Size()
		i.w2 = graphics.InternalImageSize(w)
		i.h2 = graphics.InternalImageSize(h)
	}
	return i.w2, i.h2
}
func (i *Image) internalSize() (int, int) {
	if i.w2 == 0 || i.h2 == 0 {
		w, h := i.image.Size()
		i.w2 = graphics.InternalImageSize(w)
		i.h2 = graphics.InternalImageSize(h)
	}
	return i.w2, i.h2
}
func ( i * Image ) internalSize ( ) ( int , int ) { if i . w2 == 0 || i . h2 == 0 { w , h := i . image . Size ( ) i . w2 = graphics . InternalImageSize ( w ) i . h2 = graphics . InternalImageSize ( h ) } return i . w2 , i . h2 }
// internalSize returns the size of the internal texture.
internalSize returns the size of the internal texture .