imedgine_slice_viewer.h

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//--------------------------------------------------
//---------------------------------------------------

#ifndef IMEDGINEIMEDGINE_SLICE_VIEWER_H
#define IMEDGINEIMEDGINE_SLICE_VIEWER_H

#include "imedgine_viewer.h"
#include "../global/global_definitions.h"
#include "view_definitions.h"
#include "../datasets/dataset.h"
#include "../exceptions/null_pointer_exception.h"

#include <Inventor/SbTime.h>
#include <Inventor/nodes/SoCube.h>
#include <Inventor/nodes/SoTransform.h>
#include <Inventor/nodes/SoText2.h>
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoSwitch.h>
#include <Inventor/draggers/SoTranslate1Dragger.h>  

namespace imedgine 
{
  //--------------------------------------------------
  class ROIBase;   
  
  //--------------------------------------------------
  
  class SlicePixelView;
       
  //--------------------------------------------------
  
  void sliceSliderPositionChangedCB(void *data, SoSensor* sensor); 
  
  //--------------------------------------------------
    
  void transparencySliderPositionChangedCB(void *data, SoSensor* sensor); 
  
  //--------------------------------------------------
  //--------------------------------------------------

  
  class ImedgineSliceViewer : public ImedgineViewer
  {
  public:
    
    //--------------------------------------------------
    
    ImedgineSliceViewer(SlicePixelView* slice_view, QWidget* parent, const char* name = NULL);
  
    //--------------------------------------------------
    
    virtual ~ImedgineSliceViewer();
    
    //--------------------------------------------------
    
    virtual SbBool processSoEvent(const SoEvent * const ev);
       
    //--------------------------------------------------
    
    bool convertCoordsFromScreenToTexture(SbVec2s const& screen_coords, SbVec2s& texture_coords);
    
    //--------------------------------------------------
    
    void convertCoordsFromTextureToWorld(SbVec2s const& texture_coords, SbVec2f& space_coords);    
    
    //--------------------------------------------------
    
    void updateSliceStatusInfo(index_type current_slice_index, index_type maximum_slice_index);
      
    //--------------------------------------------------
    
    void updateDatasetStatusInfo(); 
    
    //--------------------------------------------------
    
    void unsetHybridView();   
         
    //--------------------------------------------------
    
    void updateSliceSliderPosition(index_type slice_index);  
    
    SlicePixelView* getSlicePixelView() { return (slice_view_); }  
        
    SoTranslate1Dragger* getSliceSliderDragger() { return (slice_slider_dragger_); }
    
    SoTranslate1Dragger* getTransparencySliderDragger() { return (transparency_slider_dragger_); } 
       
    bool getIgnoreNextSliceSliderUpdate() { return (ignore_next_slice_slider_update_); }  
     
    void setIgnoreNextSliceSliderUpdate(bool ignore_next_slice_slider_update) 
    { 
      ignore_next_slice_slider_update_ = ignore_next_slice_slider_update;
    }   
    
  protected:
          
    //--------------------------------------------------
    
    virtual void buildPopupMenu();  
    
    //--------------------------------------------------
    
    virtual void menuSelection(int menu_item_id); 
    
    //--------------------------------------------------
    
    SbVec3f convertCoordsFromWorldToSpace(SbVec2s screen_coords)
        throw(NullPointerException);    
    
    //--------------------------------------------------
    
    SlicePixelView* slice_view_;
    
    //--------------------------------------------------
    
    view_mode_type view_mode_;  
    
    //--------------------------------------------------
    
    SoSeparator* popup_button_sep_;  
    
    //--------------------------------------------------
    
    SoCube* popup_button_;
      
    //--------------------------------------------------
    
    SoSeparator* status_info_sep_;  
    
    //--------------------------------------------------
    
    SoTransform* slice_status_info_transform_;  
    
    //--------------------------------------------------
    
    SoText2* slice_status_info_text_; 
    
    //--------------------------------------------------
    
    SoTransform* dataset_status_info_transform_;  
    
    //--------------------------------------------------
    
    SoText2* dataset_status_info_text_;     
    
    //--------------------------------------------------
    
    SoSeparator* slice_slider_sep_;  
    
    //--------------------------------------------------
    
    SoTranslate1Dragger* slice_slider_dragger_;  
    
    //--------------------------------------------------
    
    SoSwitch* transparency_slider_switch_;    
    
    //--------------------------------------------------
    
    SoSeparator* transparency_slider_sep_;  
    
    //--------------------------------------------------
    
    SoTranslate1Dragger* transparency_slider_dragger_;   
    
    //--------------------------------------------------
    
    SoSeparator* region_of_interest_sep_;  
    
    //--------------------------------------------------
    
    ROIBase* region_of_interest_;  
    
    //--------------------------------------------------
    
    std::auto_ptr<SoMouseButtonEvent> last_button_click_event_;
    
    //--------------------------------------------------
    
    SbVec2s last_position_;
    
    //--------------------------------------------------
    
    SoQtPopupMenu *popup_menu;  
    
    //--------------------------------------------------
    
    SbTime  double_click_check_time_;    
    
    //--------------------------------------------------
    
    SbVec2s left_mouse_button_press_location_; 
    
    //--------------------------------------------------
        
    bool is_hybrid_view_;  
    
    //--------------------------------------------------
    double mouse_movement_scaling_factor_;
    
    //--------------------------------------------------
            
    bool ignore_next_slice_slider_update_;
  };
}

#endif

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