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.StraightenFilter; 23 24 /** 25 * An action handling straighten effect. 26 */ 27 public class StraightenAction extends EffectAction { 28 29 private static final float DEFAULT_ANGLE = 0.0f; 30 private static final float DEFAULT_ROTATE_SPAN = StraightenFilter.MAX_DEGREES * 2; 31 32 public StraightenAction(Context context, AttributeSet attrs) { 33 super(context, attrs); 34 } 35 36 @Override 37 public void prepare() { 38 final StraightenFilter filter = new StraightenFilter(); 39 40 RotateView rotateView = toolKit.addRotateView(); 41 rotateView.setOnRotateChangeListener(new RotateView.OnRotateChangeListener() { 42 43 @Override 44 public void onAngleChanged(float degrees, boolean fromUser){ 45 if (fromUser) { 46 filter.setAngle(degrees); 47 notifyChanged(filter); 48 } 49 } 50 51 @Override 52 public void onStartTrackingTouch() { 53 // no-op 54 } 55 56 @Override 57 public void onStopTrackingTouch() { 58 // no-op 59 } 60 }); 61 rotateView.setDrawGrids(true); 62 rotateView.setRotatedAngle(DEFAULT_ANGLE); 63 rotateView.setRotateSpan(DEFAULT_ROTATE_SPAN); 64 } 65 } 66
