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      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.DoodleFilter;
     23 
     24 /**
     25  * An action handling doodle effect.
     26  */
     27 public class DoodleAction extends EffectAction {
     28 
     29     private static final int DEFAULT_COLOR_INDEX = 4;
     30 
     31     public DoodleAction(Context context, AttributeSet attrs) {
     32         super(context, attrs);
     33     }
     34 
     35     @Override
     36     public void prepare() {
     37         // Directly draw on doodle-view because running the doodle filter isn't fast enough.
     38         final DoodleFilter filter = new DoodleFilter();
     39         disableFilterOutput();
     40 
     41         final DoodleView doodleView = toolKit.addDoodleView();
     42         doodleView.setOnDoodleChangeListener(new DoodleView.OnDoodleChangeListener() {
     43 
     44             @Override
     45             public void onDoodleChanged(Doodle doodle) {
     46                 // Check if the user draws within photo bounds and makes visible changes on photo.
     47                 if (doodle.inBounds()) {
     48                     notifyChanged(filter);
     49                 }
     50             }
     51 
     52             @Override
     53             public void onDoodleFinished(Doodle doodle) {
     54                 if (doodle.inBounds()) {
     55                     filter.addDoodle(doodle);
     56                     notifyChanged(filter);
     57                 }
     58             }
     59         });
     60 
     61         ColorSeekBar colorPicker = toolKit.addColorPicker();
     62         colorPicker.setOnColorChangeListener(new ColorSeekBar.OnColorChangeListener() {
     63 
     64             @Override
     65             public void onColorChanged(int color, boolean fromUser) {
     66                 if (fromUser) {
     67                     doodleView.setColor(color);
     68                 }
     69             }
     70         });
     71         colorPicker.setColorIndex(DEFAULT_COLOR_INDEX);
     72         doodleView.setColor(colorPicker.getColor());
     73     }
     74 }
     75