Adding new wxCanvas

[wxWidgets.git] / contrib / include / wx / canvas / bbox.h

diff --git a/contrib/include/wx/canvas/bbox.h b/contrib/include/wx/canvas/bbox.h
new file mode 100644 (file)
index 0000000..ef725e9
--- /dev/null
+++ b/contrib/include/wx/canvas/bbox.h
@@ -0,0 +1,76 @@
+#ifndef __WXBOUNDINGBOX_H__
+#define __WXBOUNDINGBOX_H__
+
+#ifdef __GNUG__
+    #pragma interface "bbox.cpp"
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#include "wxmatrix.h"
+#include "wx/geometry.h"
+
+enum OVERLAP {_IN,_ON,_OUT};
+
+//Purpose   The wxBoundingBox class stores one wxBoundingBox.
+//The wxBoundingBox is defined by two coordiates,
+//a upperleft coordinate and a lowerright coordinate.
+class wxBoundingBox
+{
+public:
+    wxBoundingBox();
+    wxBoundingBox(wxBoundingBox&);
+    wxBoundingBox(const wxPoint2DDouble&);
+    wxBoundingBox(double xmin, double ymin, double xmax, double ymax);
+
+    bool And(wxBoundingBox*, double Marge = 0);
+
+    void EnLarge(const double Marge);
+    void Shrink(const double Marge);
+
+    void Expand(const wxPoint2DDouble& , const wxPoint2DDouble&);
+    void Expand(const wxPoint2DDouble&);
+    void Expand(double x,double y);
+    void Expand(const wxBoundingBox& bbox);
+
+    OVERLAP Intersect( wxBoundingBox &, double Marge = 0);
+    bool LineIntersect(const wxPoint2DDouble& begin, const wxPoint2DDouble& end );
+    bool PointInBox( const wxPoint2DDouble&, double Marge = 0);
+    bool PointInBox( double, double, double Marge = 0);
+
+    void Reset();
+
+    void Translate( wxPoint2DDouble& );
+    void MapBbox( const wxTransformMatrix& matrix);
+
+    double  GetWidth() {return m_maxx-m_minx;};
+    double  GetHeight(){return m_maxy-m_miny;};
+    bool    GetValid()  const;
+    void    SetValid(bool);
+
+    void    SetBoundingBox(const wxPoint2DDouble& a_point);
+
+    void    SetMin(double, double);
+    void    SetMax(double, double);
+    inline  wxPoint2DDouble GetMin();
+    inline  wxPoint2DDouble GetMax();
+    inline  double GetMinX(){return m_minx;};
+    inline  double GetMinY(){return m_miny;};
+    inline  double GetMaxX(){return m_maxx;};
+    inline  double GetMaxY(){return m_maxy;};
+
+    wxBoundingBox&  operator+( wxBoundingBox& );
+    wxBoundingBox&  operator=(  const wxBoundingBox& );
+
+protected:
+    //bounding box in world
+    double        m_minx;
+    double        m_miny;
+    double        m_maxx;
+    double        m_maxy;
+    bool          m_validbbox;
+};
+
+#endif