1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.scenes.scene2d.utils; 18 19 import com.badlogic.gdx.math.Rectangle; 20 import com.badlogic.gdx.scenes.scene2d.Group; 21 22 /** Allows a parent to set the area that is visible on a child actor to allow the child to cull when drawing itself. This must only 23 * be used for actors that are not rotated or scaled. 24 * <p> 25 * When Group is given a culling rectangle with {@link Group#setCullingArea(Rectangle)}, it will automatically call 26 * {@link #setCullingArea(Rectangle)} on its children. 27 * @author Nathan Sweet */ 28 public interface Cullable { 29 /** @param cullingArea The culling area in the child actor's coordinates. */ setCullingArea(Rectangle cullingArea)30 public void setCullingArea (Rectangle cullingArea); 31 } 32