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.actions; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.graphics.RectF; |
| 21 | import android.util.AttributeSet; |
| 22 | |
| 23 | import com.android.gallery3d.photoeditor.filters.CropFilter; |
| 24 | |
| 25 | /** |
| 26 | * An action handling crop effect. |
| 27 | */ |
| 28 | public class CropAction extends EffectAction { |
| 29 | |
| 30 | private static final float DEFAULT_CROP = 0.2f; |
| 31 | |
| 32 | private CropFilter filter; |
| 33 | private CropView cropView; |
| 34 | |
| 35 | public CropAction(Context context, AttributeSet attrs) { |
| 36 | super(context, attrs); |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | public void doBegin() { |
| 41 | filter = new CropFilter(); |
| 42 | |
| 43 | cropView = factory.createCropView(); |
| 44 | cropView.setOnCropChangeListener(new CropView.OnCropChangeListener() { |
| 45 | |
| 46 | @Override |
| 47 | public void onCropChanged(RectF cropBounds, boolean fromUser) { |
| 48 | if (fromUser) { |
| 49 | filter.setCropBounds(cropBounds); |
| 50 | notifyFilterChanged(filter, false); |
| 51 | } |
| 52 | } |
| 53 | }); |
| 54 | |
| 55 | RectF bounds = new RectF(DEFAULT_CROP, DEFAULT_CROP, 1 - DEFAULT_CROP, 1 - DEFAULT_CROP); |
| 56 | cropView.setCropBounds(bounds); |
| 57 | filter.setCropBounds(bounds); |
| 58 | notifyFilterChanged(filter, false); |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public void doEnd() { |
| 63 | cropView.setOnCropChangeListener(null); |
| 64 | notifyFilterChanged(filter, true); |
| 65 | } |
| 66 | } |