1 /* 2 * Copyright (C) 2011 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 17 package com.android.gallery3d.glrenderer; 18 19 20 // FadeOutTexture is a texture which begins with a given texture, then gradually animates 21 // into fading out totally. 22 public class FadeOutTexture extends FadeTexture { 23 @SuppressWarnings("unused") 24 private static final String TAG = "FadeOutTexture"; 25 26 private final BasicTexture mTexture; 27 28 public FadeOutTexture(BasicTexture texture) { 29 super(texture.getWidth(), texture.getHeight(), texture.isOpaque()); 30 mTexture = texture; 31 } 32 33 @Override 34 public void draw(GLCanvas canvas, int x, int y, int w, int h) { 35 if (isAnimating()) { 36 canvas.save(GLCanvas.SAVE_FLAG_ALPHA); 37 canvas.setAlpha(getRatio()); 38 mTexture.draw(canvas, x, y, w, h); 39 canvas.restore(); 40 } 41 } 42 } 43
