contrib/include/wx/canvas/bbox.h

   1 #ifndef __WXBOUNDINGBOX_H__
   2 #define __WXBOUNDINGBOX_H__
   3
   4 #ifdef __GNUG__
   5     #pragma interface "bbox.cpp"
   6 #endif
   7
   8 #ifndef WX_PRECOMP
   9     #include "wx/wx.h"
  10 #endif
  11
  12 #include "wx/matrix.h"
  13 #include "wx/geometry.h"
  14
  15 enum OVERLAP {_IN,_ON,_OUT};
  16
  17 //Purpose   The wxBoundingBox class stores one wxBoundingBox.
  18 //The wxBoundingBox is defined by two coordiates,
  19 //a upperleft coordinate and a lowerright coordinate.
  20 class wxBoundingBox
  21 {
  22 public:
  23     wxBoundingBox();
  24     wxBoundingBox(wxBoundingBox&);
  25     wxBoundingBox(const wxPoint2DDouble&);
  26     wxBoundingBox(double xmin, double ymin, double xmax, double ymax);
  27
  28     bool And(wxBoundingBox*, double Marge = 0);
  29
  30     void EnLarge(const double Marge);
  31     void Shrink(const double Marge);
  32
  33     void Expand(const wxPoint2DDouble& , const wxPoint2DDouble&);
  34     void Expand(const wxPoint2DDouble&);
  35     void Expand(double x,double y);
  36     void Expand(const wxBoundingBox& bbox);
  37
  38     OVERLAP Intersect( wxBoundingBox &, double Marge = 0);
  39     bool LineIntersect(const wxPoint2DDouble& begin, const wxPoint2DDouble& end );
  40     bool PointInBox( const wxPoint2DDouble&, double Marge = 0);
  41     bool PointInBox( double, double, double Marge = 0);
  42
  43     void Reset();
  44
  45     void Translate( wxPoint2DDouble& );
  46     void MapBbox( const wxTransformMatrix& matrix);
  47
  48     double  GetWidth() {return m_maxx-m_minx;};
  49     double  GetHeight(){return m_maxy-m_miny;};
  50     bool    GetValid()  const;
  51     void    SetValid(bool);
  52
  53     void    SetBoundingBox(const wxPoint2DDouble& a_point);
  54
  55     void    SetMin(double, double);
  56     void    SetMax(double, double);
  57     inline  wxPoint2DDouble GetMin();
  58     inline  wxPoint2DDouble GetMax();
  59     inline  double GetMinX(){return m_minx;};
  60     inline  double GetMinY(){return m_miny;};
  61     inline  double GetMaxX(){return m_maxx;};
  62     inline  double GetMaxY(){return m_maxy;};
  63
  64     wxBoundingBox&  operator+( wxBoundingBox& );
  65     wxBoundingBox&  operator=(  const wxBoundingBox& );
  66
  67 protected:
  68     //bounding box in world
  69     double        m_minx;
  70     double        m_miny;
  71     double        m_maxx;
  72     double        m_maxy;
  73     bool          m_validbbox;
  74 };
  75
  76 #endif