compass.h

/***************************************************************************
 *
 * Project:  OpenCPN
 * Purpose:  OpenCPN Main wxWidgets Program
 * Author:   David Register
 *
 ***************************************************************************
 *   Copyright (C) 2010 by David S. Register                               *
 *                                                                         *
 *   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.         *
 **************************************************************************/
 
#include "color_types.h"
class ocpnDC;
class ChartCanvas;
 
class ocpnCompass {
public:
  ocpnCompass(ChartCanvas *parent, bool bShowGPS = true);
  ~ocpnCompass();
 
  bool IsShown() const { return m_shown; }
  void Show(bool show) { m_shown = show; }
  void Paint(ocpnDC &dc);
 
  void UpdateStatus(bool newColorScheme = false);
 
  bool MouseEvent(wxMouseEvent &event);
  void SetColorScheme(ColorScheme cs);
  int GetXOffset(void) const { return m_xoffset; }
  int GetYOffset(void) const { return m_yoffset; }
  float GetScaleFactor() { return m_scale; }
  void SetScaleFactor(float factor);
 
  void Move(const wxPoint &pt) { m_rect.SetPosition(pt); }
  wxRect GetRect(void) const { return m_rect; }
  wxRect GetLogicalRect(void) const;
 
private:
  void CreateBmp(bool bnew = false);
  void CreateTexture();
  void UpdateTexture();
 
  ChartCanvas *m_parent;
  wxBitmap m_StatBmp;
  wxBitmap m_MaskBmp;
  wxStaticBitmap *m_pStatBoxToolStaticBmp;
 
  wxString m_lastgpsIconName;
  double m_rose_angle;
 
  wxBitmap _img_compass;
  wxBitmap _img_gpsRed;
  int m_xoffset;
  int m_yoffset;
  float m_scale;
 
  wxRect m_rect;
  bool m_shown;
  bool m_bshowGPS;
  ColorScheme m_cs;
  bool m_texOK;
 
#ifdef ocpnUSE_GL
  unsigned int m_texobj;
  int m_tex_w, m_tex_h;
  int m_image_width, m_image_height;
#endif
};