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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.photoeditor.actions;
import android.content.Context;
import android.util.AttributeSet;
import com.android.gallery3d.photoeditor.filters.StraightenFilter;
/**
* An action handling straighten effect.
*/
public class StraightenAction extends EffectAction {
private static final float DEFAULT_ANGLE = 0.0f;
private static final float DEFAULT_ROTATE_SPAN = StraightenFilter.MAX_DEGREES * 2;
private RotateView rotateView;
public StraightenAction(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public void doBegin() {
final StraightenFilter filter = new StraightenFilter();
rotateView = factory.createRotateView();
rotateView.setOnRotateChangeListener(new RotateView.OnRotateChangeListener() {
@Override
public void onAngleChanged(float degrees, boolean fromUser){
if (fromUser) {
filter.setAngle(degrees);
notifyFilterChanged(filter, true);
}
}
@Override
public void onStartTrackingTouch() {
// no-op
}
@Override
public void onStopTrackingTouch() {
// no-op
}
});
rotateView.setDrawGrids(true);
rotateView.setRotatedAngle(DEFAULT_ANGLE);
rotateView.setRotateSpan(DEFAULT_ROTATE_SPAN);
}
@Override
public void doEnd() {
rotateView.setOnRotateChangeListener(null);
}
}
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