DrawTextFTQt.h

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//
//  Copyright (C) 2020 Greg Landrum and T5 Informatics GmbH
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
// Original author: David Cosgrove (CozChemIx) on 08/05/2020.
//
 
#ifndef RDKIT_DRAWTEXTFTQT_H
#define RDKIT_DRAWTEXTFTQT_H
 
#include <RDGeneral/export.h>
#include <GraphMol/MolDraw2D/DrawTextFT.h>
#include "DrawTextQt.h"
 
class QPainter;
class QPainterPath;
 
namespace RDKit {
 
namespace MolDraw2D_detail {
// ****************************************************************************
 
class RDKIT_MOLDRAW2DQT_EXPORT DrawTextFTQt : public DrawTextFT {
 public:
  DrawTextFTQt(double max_fnt_sz, double min_fnt_sz,
               const std::string &font_file, QPainter *qp);
 
  ~DrawTextFTQt();
 
  DrawTextFTQt(const DrawTextFTQt &rhs) = delete;
  DrawTextFTQt(DrawTextFTQt &&rhs) = delete;
  DrawTextFTQt &operator=(const DrawTextFTQt &rhs) = delete;
  DrawTextFTQt &operator=(DrawTextFTQt &&rhs) = delete;
 
  int MoveToFunctionImpl(const FT_Vector *to) override;
  int LineToFunctionImpl(const FT_Vector *to) override;
  int ConicToFunctionImpl(const FT_Vector *control,
                          const FT_Vector *to) override;
  int CubicToFunctionImpl(const FT_Vector *controlOne,
                          const FT_Vector *controlTwo,
                          const FT_Vector *to) override;
 
  // adds x_trans_ and y_trans_ to coords returns x advance distance
  double extractOutline() override;
 
 private:
  QPainter *d_qp;
  std::unique_ptr<QPainterPath> dp_qpp;
};
 
}  // namespace MolDraw2D_detail
}  // namespace RDKit
#endif  // RDKIT_DRAWTEXTFTQT_H