OpenStructure: stage/include/ost/gui/data_viewer/data_viewer_panel

00001 //------------------------------------------------------------------------------
00002 // This file is part of the OpenStructure project <www.openstructure.org>
00003 //
00004 // Copyright (C) 2008-2011 by the OpenStructure authors
00005 // Copyright (C) 2003-2010 by the IPLT authors
00006 //
00007 // This library is free software; you can redistribute it and/or modify it under
00008 // the terms of the GNU Lesser General Public License as published by the Free
00009 // Software Foundation; either version 3.0 of the License, or (at your option)
00010 // any later version.
00011 // This library is distributed in the hope that it will be useful, but WITHOUT
00012 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00013 // FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00014 // details.
00015 //
00016 // You should have received a copy of the GNU Lesser General Public License
00017 // along with this library; if not, write to the Free Software Foundation, Inc.,
00018 // 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019 //------------------------------------------------------------------------------
00020 
00021 /*
00022   Authors: Ansgar Philippsen, Johan Hebert, Andreas Schenk
00023 */
00024 
00025 #ifndef DATA_VIEWER_PANEL_BASE_HH_
00026 #define DATA_VIEWER_PANEL_BASE_HH_
00027 
00028 #include <map>    
00029 #include <boost/shared_ptr.hpp>
00030 
00031 
00032 
00033 #include <ost/base.hh>
00034 #include <ost/img/extent.hh>
00035 #include <ost/img/data_observer.hh>
00036 #include <ost/img/normalizer_impl.hh>
00037 #include <ost/img/raster_image/raster_image.hh>
00038 
00039 #include <ost/gui/module_config.hh>
00040 #include <ost/gui/data_viewer/viewer_normalizer.hh>
00041 
00042 #include <ost/img/normalizer_impl.hh>
00043 
00044 #include <QWidget>
00045 #include <QCursor>
00046 #include <QMenu>
00047 #include <QPen>
00048 #include <QBrush>
00049 #include <QRubberBand>
00050 
00051 namespace ost { namespace img { namespace gui {
00052 
00053     
00054 class DLLEXPORT_OST_GUI DataViewerPanelBase: public QWidget, 
00055                                              public DataObserver 
00056 {
00057   Q_OBJECT;
00058 
00059 public:
00060   DataViewerPanelBase(const ImageHandle& data,QWidget* parent);
00061   virtual ~DataViewerPanelBase();
00062 
00063   virtual void SetData(const ImageHandle& d);
00064 
00066   // event handling
00067   virtual void paintEvent(QPaintEvent* event);
00068   virtual void resizeEvent(QResizeEvent* event);
00069   virtual void wheelEvent (QWheelEvent* event);
00070   virtual void mousePressEvent(QMouseEvent* event);
00071   virtual void mouseReleaseEvent(QMouseEvent* event);
00072   virtual void mouseMoveEvent(QMouseEvent* event);
00073   virtual void keyPressEvent(QKeyEvent * event);
00074 
00075 
00077   // observer interface
00078   virtual void ObserverUpdate();
00079   virtual void ObserverUpdate(const Extent& e);
00080   virtual void ObserverUpdate(const Point& p);
00081   virtual void ObserverRelease();
00082 
00084   // other methods
00085 
00087   void UpdateView(bool update_raster_image=true);
00088   void UpdateView(const QRect& rect,bool update_raster_image=true);
00089 
00091   ViewerNormalizerPtr GetNormalizer() const;
00092 
00094   void Renormalize();
00095   
00096 
00098 
00101   Extent GetSelection() const;
00102 
00104   void SetSelection(const Extent& extent);
00105 
00107   Point WinToPoint(int mx, int my) const;
00108   Point WinToPoint(const QPoint& p) const;
00109 
00111   geom::Vec2 WinToFracPoint(const QPoint& p) const;
00112   geom::Vec2 WinToFracPoint(int mx, int my) const;
00113   geom::Vec2 WinToFracPointCenter(const QPoint& p) const;
00114   geom::Vec2 WinToFracPointCenter(int mx, int my) const;
00115 
00117   QPoint PointToWin(const Point& p) const;
00119   QPoint FracPointToWin(const geom::Vec2& p) const;
00121   QPoint FracPointToWinCenter(const geom::Vec2& p) const;
00122 
00124   bool IsWithin(const QPoint& p) const;
00125 
00127   Real GetZoomScale() const;
00128     
00130   void SetZoomScale(Real zoom);
00131     
00133   Extent GetExtent();
00134 
00136   geom::Vec3 GetPixelSampling(); 
00137 
00138   
00140   void SetDefaultCursor(const QCursor& c);
00141   void SetDefaultCursor(int id);
00142 
00144   void SetCursor(const QCursor& c);
00145   void SetCursor(int id);
00146 
00148   void SetDisplayPixelValues(bool show);
00149   bool GetDisplayPixelValues(){return display_pixel_values_;};
00150  
00152   void Recenter();
00153 
00154   
00156   // other methods
00158   void SetColorMode(RasterImage::Mode m);
00159   RasterImage::Mode GetColorMode(){return cmode_;};
00160 
00162   void SetFastLowMagnificationDrawing(bool flag);
00163   bool GetFastLowMagnificationDrawing();
00164   void SetFastHighMagnificationDrawing(bool flag);
00165   bool GetFastHighMagnificationDrawing();
00166 
00167   geom::Vec2 GetMousePosition(){return mouseposition_;};
00168   void MoveTo(const geom::Vec2& p);
00169   ImageHandle Extract(const Extent& e);
00170   void HideClickedPosition();
00171   void ShowClickedPosition(bool show);
00172   bool ClickedPositionIsVisible();
00173   bool HasSelection();
00174   geom::Vec3 GetClickedPosition();
00175   Real GetDataMin() const;
00176   Real GetDataMax() const;
00177   bool GetInvert() const;
00178   void SetInvert(bool invert);
00179   Real GetGamma() const;
00180   void SetGamma(Real gamma);
00181   void SetViewerMin(Real min);
00182   Real GetViewerMin() const;
00183   void SetViewerMax(Real max);
00184   Real GetViewerMax() const;
00185   void UpdateNormalizer(Real min, Real max, Real gamma, bool invert);
00186   int GetSlab();
00187   void SetSlab(int slab);
00188   void SetSelectionMode(int mode);
00189   int GetSelectionMode();
00190   void SetAntialiasing(bool f);
00191   bool GetAntialiasing() const;
00192   geom::Vec2 GetOffset() const;
00193   void SetOffset(const geom::Vec2& offset);
00194 
00195 
00196 
00197 signals:
00198   void clicked(const geom::Vec3& mousepos);
00199   void zoomed(int zoomlevel);
00200   void selected(const Extent& selection);
00201   void deselected();
00202   void slabChanged(int slab);
00203   void released(void);
00204 
00205 protected:
00206   QMenu* popupmenu_;
00207 
00208 protected slots:
00209   // slots for popup menu
00210   void toggle_phase_color();
00211   void normalize();
00212   void center();
00213   void toggle_invert();
00214   void toggle_display_pixels();
00215   void toggle_show_click_pos();
00216   void zoom_plus();
00217   void zoom_minus();
00218   void zoom_reset();
00219   void slab_plus();
00220   void slab_minus();
00221   void slab_start();
00222   void slab_end();
00223   void slab_center();
00224   void toggle_fast_low_mag();
00225   void toggle_fast_high_mag();
00226   void toggle_antialiasing();
00227 
00228 
00229 private:
00230   Real data_min_;
00231   Real data_max_;
00232   Point data_min_pos_;
00233   Point data_max_pos_;
00234   ViewerNormalizerPtr normalizer_;
00235   QImage* image_;
00236   QPixmap* pixmap_;
00237   QRubberBand* rubberband_;
00238   QPoint lastmouse_;
00239   int zoom_level_;
00240   bool update_raster_image_;
00241   Real offset_x_, offset_y_;
00242 
00243   geom::Vec3 clicked_position_; 
00244   bool show_clicked_position_;
00245 
00246   Real zoom_scale_;
00247   Real i_zoom_scale_;
00248   int slab_;
00249 
00250   QCursor cursor_;
00251   bool display_pixel_values_;
00252   geom::Vec2 mouseposition_;
00253 
00254   int last_x_,last_y_;
00255   int right_press_x_,right_press_y_;
00256   Extent selection_;
00257   int selection_mode_;
00258   
00259   RasterImage::Mode cmode_;
00260   std::map<int, QCursor> cursors_;
00261 
00262   bool use_update_extent_;
00263   Extent update_extent_;
00264   bool fast_low_mag_;
00265   bool fast_high_mag_;
00266 
00267   bool antialiasing_;
00268   Point drag_start_;
00269   QAction* phase_toggle_action_;
00270   QAction* invert_toggle_action_;
00271   QAction* show_click_pos_toggle_action_;
00272   QAction* fast_low_mag_toggle_action_;
00273   QAction* fast_high_mag_toggle_action_;
00274   QAction* display_pixel_toggle_action_;
00275   QAction* antialiasing_toggle_action_;
00276 
00277 
00278   void move(int dx, int dy);
00279   void slab(int dz);
00280   void zoom(int d);
00281   void extract_ri();
00282 
00283   void draw_extent(QPainter& p);
00284   void draw_pixel_values(QPainter& p);
00285   void update_min_max();
00286   void update_rubberband_from_selection_();
00287 };
00288 
00289 }}}  //ns
00290 
00291 #endif
00292
stage/include/ost/gui/data_viewer/data_viewer_panel_base.hh
