/*
 * Copyright (C) 2016. The Android Open Source Project.
 *
 *         yinglovezhuzhu@gmail.com
 *
 *  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.opensource.widget.gestures;

/**
 * An listener to listen gesture.
 */
public interface OnGestureListener {

    public void onDrag(float dx, float dy);

    public void onFling(float startX, float startY, float velocityX, float velocityY);

    public void onScale(float scaleFactor, float focusX, float focusY);

}