OutCommon.h

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// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode: nil -*-
//
//  Copyright (C) 2004-2015 Andrej Vodopivec <andrej.vodopivec@gmail.com>
//  Copyright (C) 2015      Gunter Königsmann <wxMaxima@physikbuch.de>
//  Copyright (C) 2020      Kuba Ober <kuba@bertec.com>
//
//  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; either version 2 of the License, or
//  (at your option) any later version.
//
//  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 General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//  SPDX-License-Identifier: GPL-2.0+
 
#ifndef OUTCOMMON_H
#define OUTCOMMON_H
 
#include "Configuration.h"
#include "precomp.h"
#include <wx/dataobj.h>
#include <memory>
 
class Cell;
class wxDC;
 
class OutCommon
{
public:
  class DataObject final : public wxCustomDataObject
  {
    wxMemoryBuffer m_databuf;
 
  public:
    explicit DataObject(const wxDataFormat &format, const wxMemoryBuffer &data);
    bool GetDataHere(void *buf) const override;
    size_t GetDataSize() const override;
    void Free() override;
  };
 
  std::unique_ptr<DataObject> GetDataObject(const wxDataFormat &format);
 
  static wxString AccessibleText(const Cell *tree);
 
  explicit OutCommon(const Configuration * const *configuration, const wxString &filename,
                     int fullWidth, double scale);
  explicit OutCommon(const Configuration * const *configuration, int fullWidth, double scale);
  ~OutCommon();
 
  OutCommon(const OutCommon&) = delete;
  void operator=(const OutCommon&) = delete;
 
  int Scale_Px(double px) const { return m_thisconfig.Scale_Px(px); }
  double GetScale() const { return m_scale; }
  const wxString &GetFilename() const { return m_filename; }
  const wxString &GetTempFilename() const { return m_tempFilename; }
  Configuration *GetConfiguration() { return &m_thisconfig; }
  const Configuration &GetScreenConfig() const { return *(*m_configuration); }
  wxSize getPPI() const { return m_ppi; }
 
  void SetRecalculationContext(wxDC *context) { m_recalculationDc = context; }
 
  bool PrepareLayout(Cell *tree);
 
  wxSize GetSize() const { return m_size; }
  void SetSize(wxSize size) { m_size = size; }
 
  wxSize GetScaledSize() const;
  wxSize GetInvScaledSize() const;
 
  bool ToClipboard(const wxDataFormat &format);
 
  void Draw(Cell *tree);
 
private:
  void GetMaxPoint(Cell *tree, int *width, int *height) const;
  void Recalculate(Cell *tree) const;
 
  void BreakLines(Cell *tree) const;
  void BreakUpCells(Cell *tree) const;
 
  wxString m_tempFilename;
  wxDC *m_recalculationDc = {};
 
  wxString m_filename;
  const Configuration * const *m_configuration;
  const Configuration *m_oldconfig = *m_configuration;
  Configuration m_thisconfig{ {}, Configuration::temporary };
  double m_scale = 1.0;
  wxSize m_size = wxDefaultSize;
  int m_fullWidth;
  wxSize m_ppi;
};
 
#endif  // OUTCOMMON_H