transformer.h

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#ifndef ANATOMIST_WINDOW3D_TRANSFORMER_H
#define ANATOMIST_WINDOW3D_TRANSFORMER_H
 
#include <anatomist/window3D/trackball.h>
#include <aims/resampling/motion.h>
#include <qobject.h>
#include <map>
 
class QGraphicsItem;
class QTableWidget;
class QLineEdit;
class QComboBox;
 
namespace anatomist
{
  class Transformation;
  class AWindow;
  class Referential;
 
  namespace internal
  {
 
    class TransformerActionData : public QObject
    {
    Q_OBJECT
 
    public:
      TransformerActionData();
      TransformerActionData( const TransformerActionData & );
      virtual ~TransformerActionData();
 
      Transformation* mainTransformation() const;
      void selectTransformations( AWindow * );
      void setMainTransformation( Transformation* t );
      bool isMainTransDirect() const;
      Referential* mainSourceRef() const;
      Referential* mainDestRef() const;
      void setTransformData(const Transformation & t,
                            bool absolute=false,
                            bool addToHistory = false);
      virtual aims::Quaternion initialQuaternion() = 0;
      virtual View* tadView() = 0;
      void clearEditionFlags();
      bool getCurrentMotion(Motion&);
      void emitTransformationChanged();
      void undo();
      void redo();
      bool undoable();
      bool redoable();
 
    signals:
        void transformationChanged();
 
    public slots:
      virtual void resetTransform();
      virtual void resetRotation();
      virtual void fromRefButtonClicked();
      virtual void toRefButtonClicked();
      virtual void invertTransformationClicked();
      virtual void centerOnObjectsToggled( int state );
 
    protected slots:
      virtual void rotationAngleEdited( const QString & );
      virtual void rotationScaleEdited( const QString & );
 
    protected:
      Transformation *_maintrans;
      std::map<Transformation*, Transformation>   _trans;
      std::map<Transformation*, Transformation>   _itrans;
      Point3df rotationAxis;
      bool _rotationAngleEdited;
      bool _rotationScaleEdited;
      Motion _pendingMotion;
      bool _centerOnObjects;
 
      virtual void updateTemporaryObjects(
        const aims::Quaternion & rotation ) = 0;
      virtual void updateGVInfo( const aims::Quaternion & q ) = 0;
      virtual void matrixCellChanged( int row, int col, QTableWidget* twid );
      virtual void axisCellChanged( int row, int col, QTableWidget* twid );
      virtual void centerCellChanged( int row, int col, QTableWidget* twid );
      virtual void rotationAngleChanged( QLineEdit* ledit, QComboBox* unit );
      virtual void rotationScaleChanged( QLineEdit* ledit );
      void updatePendingMotion(const Motion &);
      const Motion & pendingMotion() const
      {
          return _pendingMotion;
      }

      void transmitValidatedMotion(Motion motion, bool notify=false);
    };
 
  }
 
 
  class Transformer
    : public internal::TransformerActionData, public Trackball
  {
    Q_OBJECT
 
  public:
    static Action * creator() ;
 
    Transformer();
    Transformer( const Transformer & a );
    virtual ~Transformer();
 
    virtual std::string name() const;
 
    virtual void beginTrackball( int x, int y, int globalX, int globalY );
    virtual void moveTrackball( int x, int y, int globalX, int globalY );
    virtual void endTrackball( int x, int y, int globalX, int globalY );
    virtual aims::Quaternion rotation( int x, int y );
    virtual aims::Quaternion initialQuaternion();
    virtual void showGraphicsView();
    virtual void clearGraphicsView();
    void toggleDisplayInfo();
    virtual View* tadView() { return view(); }
 
    struct Private; // not private since it is used by TranslaterAction
    Private* data();
 
  public slots:
    virtual void matrixCellChanged( int row, int col );
    virtual void axisCellChanged( int row, int col );
    virtual void centerCellChanged( int row, int col );
    virtual void rotationAngleChanged();
    virtual void rotationScaleChanged();
 
  private:
    // Restore the visibility of these overloaded virtuals to prevent warning
    using internal::TransformerActionData::matrixCellChanged;
    using internal::TransformerActionData::axisCellChanged;
    using internal::TransformerActionData::centerCellChanged;
    using internal::TransformerActionData::rotationAngleChanged;
    using internal::TransformerActionData::rotationScaleChanged;
 
  protected:
    Private *d;
 
    virtual void updateTemporaryObjects( const aims::Quaternion & rotation );
    virtual void updateGVInfo( const aims::Quaternion & q );
  };
 
 
  class TranslaterAction
    : public internal::TransformerActionData, public Action
  {
      Q_OBJECT
  public:
    static Action * creator() ;
 
    TranslaterAction();
    TranslaterAction( const TranslaterAction & a );
    virtual ~TranslaterAction();
 
    virtual std::string name() const;
 
    virtual void begin( int x, int y, int globalX, int globalY );
    virtual void move( int x, int y, int globalX, int globalY );
    virtual void end( int x, int y, int globalX, int globalY );
    virtual View* tadView() { return view(); }
    virtual aims::Quaternion initialQuaternion();
 
  protected:
    struct Private;
    Private *d;
    bool        _started;
    int         _beginx;
    int         _beginy;
 
    virtual void updateTemporaryObjects( const aims::Quaternion & rotation );
    virtual void updateGVInfo( const aims::Quaternion & q );
  };
 
 
  class PlanarTransformer : public Transformer
  {
  public:
    static Action * creator() ;
 
    PlanarTransformer();
    PlanarTransformer( const PlanarTransformer & a );
    virtual ~PlanarTransformer();
 
    virtual std::string name() const;
 
    virtual aims::Quaternion rotation( int x, int y );
    virtual aims::Quaternion initialQuaternion();
  };
 
 
  class ResizerAction : public TranslaterAction
  {
  public:
    static Action * creator() ;
 
    ResizerAction();
    ResizerAction( const ResizerAction & a );
    virtual ~ResizerAction();
 
    virtual std::string name() const;
 
    virtual void begin( int x, int y, int globalX, int globalY );
    virtual void move( int x, int y, int globalX, int globalY );
 
  protected:
    // Restore visibility of overloaded virtual to prevent warning
    using TranslaterAction::updateTemporaryObjects;
    virtual void updateTemporaryObjects( float zoom );
  };
 
}
 
#endif