ResultPoint.h Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 #ifndef __RESULT_POINT_H__
 #define __RESULT_POINT_H__

 /*
  *  ResultPoint.h
  *  zxing
  *
  *  Copyright 2010 ZXing authors All rights reserved.
  *
  * 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.
  */

 #include <zxing/common/Counted.h>
 #include <vector>

 namespace zxing {

 class ResultPoint : public Counted {
 protected:
   const float posX_;
   const float posY_;

 public:
   ResultPoint();
   ResultPoint(float x, float y);
   ResultPoint(int x, int y);
   virtual ~ResultPoint();

   virtual float getX() const;
   virtual float getY() const;

   bool equals(Ref<ResultPoint> other);

   static void orderBestPatterns(std::vector<Ref<ResultPoint> > &patterns);
   static float distance(Ref<ResultPoint> point1, Ref<ResultPoint> point2);
   static float distance(float x1, float x2, float y1, float y2);

 private:
   static float crossProductZ(Ref<ResultPoint> pointA, Ref<ResultPoint> pointB, Ref<ResultPoint> pointC);
 };

 }

 #endif // __RESULT_POINT_H__