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 CropAction(Context context, AttributeSet attrs)32 public CropAction(Context context, AttributeSet attrs) { 33 super(context, attrs); 34 } 35 36 @Override prepare()37 public void prepare() { 38 // Cropped results wouldn't be previewed for changed crop bounds. 39 final CropFilter filter = new CropFilter(); 40 disableFilterOutput(); 41 42 CropView cropView = toolKit.addCropView(); 43 cropView.setOnCropChangeListener(new CropView.OnCropChangeListener() { 44 45 @Override 46 public void onCropChanged(RectF cropBounds, boolean fromUser) { 47 if (fromUser) { 48 filter.setCropBounds(cropBounds); 49 notifyChanged(filter); 50 } 51 } 52 }); 53 54 RectF bounds = new RectF(DEFAULT_CROP, DEFAULT_CROP, 1 - DEFAULT_CROP, 1 - DEFAULT_CROP); 55 cropView.setCropBounds(bounds); 56 filter.setCropBounds(bounds); 57 notifyChanged(filter); 58 } 59 } 60