1 /* 2 * Copyright (C) 2010 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.photoeditor; 18 19 import android.graphics.Bitmap; 20 21 /** 22 * Photo that holds a GL texture and all its methods must be only accessed from the GL thread. 23 */ 24 public class Photo { 25 26 private int texture; 27 private int width; 28 private int height; 29 30 /** 31 * Factory method to ensure every Photo instance holds a valid texture. 32 */ create(Bitmap bitmap)33 public static Photo create(Bitmap bitmap) { 34 return (bitmap != null) ? new Photo( 35 RendererUtils.createTexture(bitmap), bitmap.getWidth(), bitmap.getHeight()) : null; 36 } 37 create(int width, int height)38 public static Photo create(int width, int height) { 39 return new Photo(RendererUtils.createTexture(), width, height); 40 } 41 Photo(int texture, int width, int height)42 private Photo(int texture, int width, int height) { 43 this.texture = texture; 44 this.width = width; 45 this.height = height; 46 } 47 texture()48 public int texture() { 49 return texture; 50 } 51 matchDimension(Photo photo)52 public boolean matchDimension(Photo photo) { 53 return ((photo.width == width) && (photo.height == height)); 54 } 55 changeDimension(int width, int height)56 public void changeDimension(int width, int height) { 57 this.width = width; 58 this.height = height; 59 RendererUtils.clearTexture(texture); 60 texture = RendererUtils.createTexture(); 61 } 62 width()63 public int width() { 64 return width; 65 } 66 height()67 public int height() { 68 return height; 69 } 70 save()71 public Bitmap save() { 72 return RendererUtils.saveTexture(texture, width, height); 73 } 74 75 /** 76 * Clears the texture; this instance should not be used after its clear() is called. 77 */ clear()78 public void clear() { 79 RendererUtils.clearTexture(texture); 80 } 81 } 82