private NinePatchInstance findInstance(GLCanvas canvas, int w, int h) {
int key = w;
key = (key << 16) | h;
NinePatchInstance instance = mInstanceCache.get(key);
if (instance == null) {
instance = new NinePatchInstance(this, w, h);
NinePatchInstance removed = mInstanceCache.put(key, instance);
if (removed != null) {
removed.recycle(canvas);
}
}
return instance;
}
