Home | History | Annotate | Download | only in actions
      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.util.AttributeSet;
     21 
     22 import com.android.gallery3d.photoeditor.filters.FisheyeFilter;
     23 
     24 /**
     25  * An action handling fisheye effect.
     26  */
     27 public class FisheyeAction extends EffectAction {
     28 
     29     private static final float DEFAULT_SCALE = 0.5f;
     30 
     31     private ScaleSeekBar scalePicker;
     32 
     33     public FisheyeAction(Context context, AttributeSet attrs) {
     34         super(context, attrs);
     35     }
     36 
     37     @Override
     38     public void doBegin() {
     39         final FisheyeFilter filter = new FisheyeFilter();
     40 
     41         scalePicker = factory.createScalePicker(EffectToolFactory.ScalePickerType.GENERIC);
     42         scalePicker.setOnScaleChangeListener(new ScaleSeekBar.OnScaleChangeListener() {
     43 
     44             @Override
     45             public void onProgressChanged(float progress, boolean fromUser) {
     46                 if (fromUser) {
     47                     filter.setScale(progress);
     48                     notifyFilterChanged(filter, true);
     49                 }
     50             }
     51         });
     52         scalePicker.setProgress(DEFAULT_SCALE);
     53 
     54         filter.setScale(DEFAULT_SCALE);
     55         notifyFilterChanged(filter, true);
     56     }
     57 
     58     @Override
     59     public void doEnd() {
     60         scalePicker.setOnScaleChangeListener(null);
     61     }
     62 }
     63