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.photoeditor.actions; 18 19 import android.graphics.Path; 20 import android.view.View; 21 import android.view.ViewGroup; 22 23 import com.android.photoeditor.FilterStack; 24 import com.android.photoeditor.R; 25 import com.android.photoeditor.filters.DoodleFilter; 26 27 /** 28 * An action handling doodle effect. 29 */ 30 public class DoodleAction extends FilterAction { 31 32 private static final int DEFAULT_COLOR_INDEX = 4; 33 34 private DoodleFilter filter; 35 DoodleAction(FilterStack filterStack, ViewGroup tools)36 public DoodleAction(FilterStack filterStack, ViewGroup tools) { 37 super(filterStack, tools, R.string.doodle_tooltip); 38 } 39 40 @Override onBegin()41 public void onBegin() { 42 filter = new DoodleFilter(); 43 44 colorWheel.setOnColorChangeListener(new ColorWheel.OnColorChangeListener() { 45 46 @Override 47 public void onColorChanged(int color, boolean fromUser){ 48 if (fromUser) { 49 doodleView.startPath(color); 50 filter.addPath(color); 51 } 52 } 53 }); 54 colorWheel.setColorIndex(DEFAULT_COLOR_INDEX); 55 colorWheel.setVisibility(View.VISIBLE); 56 57 // Directly draw on doodle-view instead of waiting for top-filter output callback. 58 doodleView.setOnDoodleChangeListener(new DoodleView.OnDoodleChangeListener() { 59 60 private final Path transformPath = new Path(); 61 62 @Override 63 public void onLastPathChanged(Path path) { 64 photoView.mapPhotoPath(path, transformPath); 65 filter.updateLastPath(transformPath); 66 notifyFilterChanged(filter, false); 67 } 68 }); 69 doodleView.clear(); 70 doodleView.clipBounds(photoView.getPhotoDisplayBounds()); 71 doodleView.setVisibility(View.VISIBLE); 72 73 int color = colorWheel.getColor(); 74 doodleView.startPath(color); 75 76 filter.addPath(color); 77 } 78 79 @Override onEnd()80 public void onEnd() { 81 notifyFilterChanged(filter, true); 82 } 83 } 84