Yuli Huang | 6a12ad7 | 2011-09-12 22:25:30 +0800 | [diff] [blame] | 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 | */ |
| 33 | public static Photo create(Bitmap bitmap) { |
| 34 | return (bitmap != null) ? new Photo( |
| 35 | RendererUtils.createTexture(bitmap), bitmap.getWidth(), bitmap.getHeight()) : null; |
| 36 | } |
| 37 | |
| 38 | public static Photo create(int width, int height) { |
| 39 | return new Photo(RendererUtils.createTexture(), width, height); |
| 40 | } |
| 41 | |
| 42 | private Photo(int texture, int width, int height) { |
| 43 | this.texture = texture; |
| 44 | this.width = width; |
| 45 | this.height = height; |
| 46 | } |
| 47 | |
| 48 | public int texture() { |
| 49 | return texture; |
| 50 | } |
| 51 | |
| 52 | public boolean matchDimension(Photo photo) { |
Yuli Huang | e0e82f1 | 2011-10-10 00:55:26 +0800 | [diff] [blame] | 53 | return ((photo.width == width) && (photo.height == height)); |
Yuli Huang | 6a12ad7 | 2011-09-12 22:25:30 +0800 | [diff] [blame] | 54 | } |
| 55 | |
| 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 | |
| 63 | public int width() { |
| 64 | return width; |
| 65 | } |
| 66 | |
| 67 | public int height() { |
| 68 | return height; |
| 69 | } |
| 70 | |
| 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 | */ |
| 78 | public void clear() { |
| 79 | RendererUtils.clearTexture(texture); |
| 80 | } |
| 81 | } |