/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
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// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance. 
//   All rights reserved.
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///////////////////////////////////////////////////////////////////////////////

#ifndef _PDF_IMPORT_GEO_
#define _PDF_IMPORT_GEO_

#include "DbDatabase.h"
#include "oda_files/PdfImportBaseObjectGrabber.h"
#include "oda_files/oda_functions.h"
#include "DbGeoData.h"
#include <memory>

class BasePdfImportGeoDataTransformer;

std::unique_ptr<BasePdfImportGeoDataTransformer> createTransformer2PdfImport(OdDbDatabasePtr& pDb, const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, 
  const float width, const float height);

class BasePdfImportGeoDataTransformer
{
public:
  BasePdfImportGeoDataTransformer() = delete;
  BasePdfImportGeoDataTransformer(const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, const float width, const float height);
  virtual ~BasePdfImportGeoDataTransformer() {};
  virtual std::vector<OdPdfImportPathData> Transform(const OdPdfImportPathData* path_data, const unsigned long path_point_count);
  virtual OdPdfImportPoint Transform(const OdPdfImportPoint* pt);
  virtual void Transform(const double& x, const double& y, double& new_x, double& new_y) = 0;
protected:
  void computeHomography(const OdGePoint2dArray& src, const OdGePoint2dArray& dst);
  void applyHomography(const double& x, const double& y, double& new_x, double& new_y);

  float m_Width{ 1. };
  float m_Height{ 1. };
  static const double cPdfDPI;
  std::vector<double> m_Homography;
  OdDbGeoDataPtr m_pGeoData;
};

class PdfImportNewGeoDataTransformer : public BasePdfImportGeoDataTransformer
{
public:
  virtual ~PdfImportNewGeoDataTransformer() {};
  virtual void Transform(const double& x, const double& y, double& new_x, double& new_y);
private:
  friend std::unique_ptr<BasePdfImportGeoDataTransformer> createTransformer2PdfImport(OdDbDatabasePtr& pDb, 
    const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, const float width, const float height);
  PdfImportNewGeoDataTransformer(OdDbDatabasePtr& pDb, const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, const float width, const float height);
};

class PdfImportExistingGeoDataTransformer : public BasePdfImportGeoDataTransformer
{
public:
  virtual ~PdfImportExistingGeoDataTransformer() {};
  virtual void Transform(const double& x, const double& y, double& new_x, double& new_y);
protected:
  OdDbGeoCoordinateSystemTransformerPtr m_pTransformer;
private:
  friend std::unique_ptr<BasePdfImportGeoDataTransformer> createTransformer2PdfImport(OdDbDatabasePtr& pDb, 
    const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, const float width, const float height);
  PdfImportExistingGeoDataTransformer(OdDbObjectId& idGeoData, const std::vector<FPDF_PageGeoMeasureDictInfo>& geo_mes, const float width, const float height);
};




#endif //_PDF_IMPORT_GEO_