1 /* 2 * Copyright (C) 2012 The Android Open Source Project 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 package com.android.gallery3d.ui; 17 18 import android.graphics.RectF; 19 20 public interface ScreenNail { 21 public int getWidth(); 22 public int getHeight(); 23 public void draw(GLCanvas canvas, int x, int y, int width, int height); 24 25 // We do not need to draw this ScreenNail in this frame. 26 public void noDraw(); 27 28 // This ScreenNail will not be used anymore. Release related resources. 29 public void recycle(); 30 31 // This is only used by TileImageView to back up the tiles not yet loaded. 32 public void draw(GLCanvas canvas, RectF source, RectF dest); 33 } 34