mgui/toolbreakline.h

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#ifndef  INC_MGUI_TOOLBREAKLINE_H
#define  INC_MGUI_TOOLBREAKLINE_H

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

#ifndef  INC_MI32_POLYLINE_H
#include <mi32/polyline.h>
#endif

namespace MGUI {

//=====================================================================================================================

class TOOL_BREAKLINE : public TOOL_BASE {
   public:

      explicit TOOL_BREAKLINE (
         TOOLCANVAS *canvas
         );

      virtual ~TOOL_BREAKLINE ();
      
      void GetLines (
         POLYLINELIST& LineList
         ) const;

      void SetLine (
         const POLYLINE& PolyLine
         );
         
      void SetMarker (
         MARKER marker,                      
         UINT16 size = 0                     
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      enum EDITMODE {
         EDITMODE_Automatic,
         EDITMODE_Add,
         EDITMODE_Edit,
         EDITMODE_Delete
         };

      enum ZONE {
         ZONE_NoFunction = 0,
         ZONE_Outside,
         ZONE_BreakPoint,
         ZONE_Line
         };
         
      struct BREAKPOINT {
         DPOINT3D m_Point;
         double m_DistFromStart;
         INT32 m_LineSegNum;
         bool m_SegmentDeleted;
         
         BREAKPOINT () { memset(this, 0, sizeof(BREAKPOINT)); }
         };

      MARKER m_marker;
      UINT16 m_markersize;
      EDITMODE m_EditMode;
      POLYLINE m_PolyLine;
      int m_ActiveIndex;                  
      MILIST<BREAKPOINT> m_BreakPointList;
      ZONE m_CursorZone;                  
      DPOINT2D m_prevpt;
      double m_TooltoWindowScale;
      bool m_NotifyChangeElem;

      class MANUAL_BREAKLINE;
      friend class MANUAL_BREAKLINE;      
      class FORM_BREAKLINE;
      FORM_BREAKLINE* m_pFormBreakLine;

      void ActivateClosestPoint (const DPOINT2D&);
      void AddBreakPoint (const DPOINT2D&);
      void AdjustTool (DPOINT2D&, CHANGESEQ);
      void ChangeBreakPoint (INT32 idx, const DPOINT3D&);
      void ComputeCursorZone (const DPOINT2D&);
      void DeleteBreakPoint (int);
      void DrawNeighborBreakPoints (MGD::CONTEXT*, const LRECT2D&, int SkipPoint) const;
      void DrawLine (MGD::CONTEXT*, const POLYLINE&, const DRECT2D&) const;
      void DrawTool (MGD::CONTEXT*, const DRECT2D&, int SkipBreakPointIdx = -1) const;
      void MarkLineSegment (const DPOINT2D&);
      void SetActiveBreakPointIndex (int);
      void UpdateCursor () const;

      // TOOL_BASE overrides.
      virtual MGUI::FORM* v_CreateControlForm (LAYOUT_PANE_BASE& ParentPane, CTRLOPT ctrlopt);
      virtual MANUAL_BASE* v_CreateManualBase ();
      virtual void v_DoDraw ();
      virtual void v_DoMove (double dx, double dy, ADJUSTFLAGS flags);
      virtual void v_OnClear ();
      virtual int v_GenerateRegion (REGION2D& region) const;
      virtual bool v_OnKey (MGUI::POINT point, KEYCODE keycode, KEYSTATE keystate);
      virtual bool v_OnPointerButtonDown (MGUI::POINT point, POINTERBUTTON button, KEYSTATE keystate);
      virtual bool v_OnPointerButtonUp (MGUI::POINT point, POINTERBUTTON button, KEYSTATE keystate);
      virtual void v_OnPointerMove (MGUI::POINT point, POINTERBUTTON button, KEYSTATE keystate);
      virtual void v_OnSetTransToWindow ();

      #endif // GENERATING_DOXYGEN_OUTPUT
   };

//=====================================================================================================================

}  // End namespace MGUI

#endif   // INC_MGUI_TOOLBREAKLINE_H

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