libetherpix

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/*
 * EtherPix simulator
 *
 * Copyright 2017 Stefan Schuermans <stefan schuermans info>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef TRANSFORM_H
#define TRANSFORM_H
#include "bbox.h"
/// coordinate transformation
class Transform
{
public:
  /**
   * @brief constructor
   * @param[in] bb boundig box of input coordinates
   * @param[in] width width of output coordinate speace (left to right)
   * @param[in] height height of output coordinate space (top to bottom)
   */
  Transform(BBox const &bb, double width, double height);
  /// check if initialized
  bool checkInit() const { return m_init; }
  /**
   * @brief apply transformation
   * @param[in] in_x input x coordinate
   * @param[in] in_y input y coordinate
   * @param[out] out_x output x coordinate
   * @param[out] out_y output y coordinate
   */
  void apply(double in_x, double in_y, double &out_x, double &out_y) const;
  /**
   * @brief apply zoom
   * @param[in] in_r input radius
 
 
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