mgui/toolinsertion.h

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#ifndef  INC_MGUI_TOOLINSERTION_H
#define  INC_MGUI_TOOLINSERTION_H

#ifndef  INC_MGUI_TOOLBASE_H
#include <mgui/toolbase.h>
#endif

class TRANS2D_AFFINE;

namespace MGUI {

class TOOL_INSERTION : public TOOL_BASE {
   public:

      explicit TOOL_INSERTION (
         TOOLCANVAS *canvas
         );

      virtual ~TOOL_INSERTION ();

      double GetAngle (
         ) const { return (m_angle); }

      const DRECT2D& GetExtents (
         ) const { return (m_extents); }

      const DPOINT2D& GetInsertionPoint (
         ) const { return (m_InsertPoint); }
         
      const DPOINT2D& GetScale (
         ) const { return (m_scale); }
         
      const TRANS2D_AFFINE& GetTransformation (
         ) const { return (m_SrcToDest); }

      void SetAngle (
         double angle
         );

      void SetAngleVisible (
         bool anglevisible = true
         );

      void SetCenterVisible (
         bool centervisible = true
         );

      void SetInsertionPoint (
         const DPOINT2D& InsertionPoint
         );
         
      void SetScale (
         const DPOINT2D& scale
         );
         
      void SetSourcePosition (
         const DRECT2D& SrcExtents,             
         const DPOINT2D* SrcBasePoint = 0,      
         bool ResetToIdentity = true            
         );

      void SetSideMarkerLength (
         int lengthoutside                      
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      // Enumeration constants
      enum ZONE {
         ZONE_Outside = 0,
         ZONE_Inside,
         ZONE_Corner0,
         ZONE_Corner1,
         ZONE_Corner2,
         ZONE_Corner3,
         ZONE_Side01,
         ZONE_Side12,
         ZONE_Side23,
         ZONE_Side30,
         ZONE_Rotate,
         ZONE_SetCenter,
         ZONE_NoFunction
         };
      // Tool settings
      bool m_centervisible;               // Visibility of center indicator
      bool m_anglevisible;                // Visibility of rotation angle indicator
      int m_sidemarkerlength;             // Length in pixels of side markers out of box
      // Tool position values
      DRECT2D m_extents;                  // Position (extents if rotated)
      DPOINT2D m_destCorners[4];          // Corner coordinates
      DPOINT2D m_scale;                   // Current scale
      DPOINT2D m_BasePoint;               // Current source base point
      DPOINT2D m_InsertPoint;             // Current destination base point
      double m_angle;                     // Rotation angle
      TRANS2D_AFFINE m_SrcToDest;         // Source to destination transformation
      // Values used during interaction
      ZONE m_PointerZone;                 // Current cursor zone
      DPOINT2D m_prevpt;                  // Previous point during button-down
      UINT8 m_AdjustMode;                 // Adjustment mode, 2=rotate, 1=everything else

      class MANUAL_INSERTION;
      friend class MANUAL_INSERTION;

      // Methods
      void AdjustTool (const DPOINT2D&, bool firsttime=false);
      DPOINT2D ComputeCenter () const;
      void ComputePointerZone (const DPOINT2D&);
      void Recompute ();
      void ResizeTool (const DPOINT2D&);
      void RotateTool (const DPOINT2D&);
      void StartTool (const DPOINT2D&);
      void UpdateCursor (const DPOINT2D&) const;

      // TOOL_BASE overrides.
      virtual MANUAL_BASE* v_CreateManualBase ();
      virtual void v_DoDraw ();
      virtual void v_DoMove (double dx, double dy, ADJUSTFLAGS flags);
      virtual bool v_OnPointerButtonDown (MGUI::POINT point, POINTERBUTTON button, KEYSTATE keystate);
      virtual void v_OnPointerMove (MGUI::POINT point, POINTERBUTTON button, KEYSTATE keystate);
      #endif // GENERATING_DOXYGEN_OUTPUT

   };


}  // End namespace MGUI


#endif   // INC_MGUI_TOOLRECTANGLE_H

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