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 /*
  * Copyright 2012 Google Inc.
  * 
  * 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 elemental.events;
import  elemental.events.*;
A Touch object represents a single point of contact between the user and a touch-sensitive interface device (which may be, for example, a touchscreen or a trackpad).
public interface Touch {


  
The X coordinate of the touch point relative to the viewport, not including any scroll offset. Read only.
  int getClientX();


  
The Y coordinate of the touch point relative to the viewport, not including any scroll offset. Read only.
  int getClientY();


  
A unique identifier for this Touch object. A given touch (say, by a finger) will have the same identifier for the duration of its movement around the surface. This lets you ensure that you're tracking the same touch all the time. Read only.
  int getIdentifier();


  
The X coordinate of the touch point relative to the viewport, including any scroll offset. Read only.
  int getPageX();


  
The Y coordinate of the touch point relative to the viewport, including any scroll offset. Read only.
  int getPageY();


  
The X coordinate of the touch point relative to the screen, not including any scroll offset. Read only.
  int getScreenX();


  
The Y coordinate of the touch point relative to the screen, not including any scroll offset. Read only.
  int getScreenY();
  float getWebkitForce();
  int getWebkitRadiusX();
  int getWebkitRadiusY();
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