contrib/mul/mbl/mbl_chord_3d.h
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00001 // This is mul/mbl/mbl_chord_3d.h
00002 #ifndef mbl_chord_3d_h_
00003 #define mbl_chord_3d_h_
00004 //:
00005 // \file
00006 // \author Tim Cootes
00007 // \brief Horizontal line used in 3D images, with integer co-ordinates
00008 
00009 #include <vsl/vsl_binary_io.h>
00010 #include <vcl_iostream.h>
00011 
00012 //: Horizontal line used in 3D images, with integer co-ordinates
00013 class mbl_chord_3d
00014 {
00015 private:
00016   int start_x_;
00017   int end_x_;
00018   int y_;
00019   int z_;
00020 public:
00021     //: Constructor
00022   mbl_chord_3d() : start_x_(0),end_x_(-1),y_(0),z_(0) {}
00023 
00024     //: Constructor
00025   mbl_chord_3d(int start_x, int end_x, int y, int z)
00026     : start_x_(start_x), end_x_(end_x), y_(y), z_(z) {}
00027 
00028     //: X-ordinate of start
00029   int start_x() const { return start_x_; }
00030 
00031     //: X-ordinate of end
00032   int end_x() const { return end_x_; }
00033 
00034     //: y-ordinate
00035   int y() const { return y_; }
00036 
00037     //: z-ordinate
00038   int z() const { return z_; }
00039 
00040     //: Length
00041   int length() const { return 1+end_x_-start_x_; }
00042 
00043     //: Write to binary stream
00044   inline void b_write(vsl_b_ostream& bfs) const;
00045 
00046     //: Read from binary stream
00047   inline void b_read(vsl_b_istream& bfs);
00048 
00049     //: Comparison
00050   bool operator==(const mbl_chord_3d& c) const;
00051 };
00052 
00053     //: Write to binary stream
00054 inline void mbl_chord_3d::b_write(vsl_b_ostream& bfs) const
00055 {
00056   vsl_b_write(bfs,start_x_);
00057   vsl_b_write(bfs,end_x_);
00058   vsl_b_write(bfs,y_);
00059   vsl_b_write(bfs,z_);
00060 }
00061 
00062 //: Read from binary stream
00063 inline void mbl_chord_3d::b_read(vsl_b_istream& bfs)
00064 {
00065   vsl_b_read(bfs,start_x_);
00066   vsl_b_read(bfs,end_x_);
00067   vsl_b_read(bfs,y_);
00068   vsl_b_read(bfs,z_);
00069 }
00070 
00071 inline bool mbl_chord_3d::operator==(const mbl_chord_3d& c) const
00072 {
00073   return start_x_ ==c.start_x_ && end_x_==c.end_x_ && y_==c.y_ && z_==c.z_;
00074 }
00075 
00076 //: Print
00077 inline vcl_ostream& operator<<(vcl_ostream& os, const mbl_chord_3d& c)
00078 {
00079   return os<<"(["<<c.start_x()<<","<<c.end_x()<<"],"<<c.y()<<","<<c.z()<<")";
00080 }
00081 
00082 //: Save
00083 inline void vsl_b_write(vsl_b_ostream& bfs, const mbl_chord_3d& t)
00084 {
00085   t.b_write(bfs);
00086 }
00087 
00088 //: Load
00089 inline void vsl_b_read(vsl_b_istream& bfs, mbl_chord_3d& t)
00090 {
00091   t.b_read(bfs);
00092 }
00093 
00094 //: Print
00095 inline void vsl_print_summary(vcl_ostream& os, const mbl_chord_3d& t)
00096 {
00097   os<<t;
00098 }
00099 
00100 #endif // mbl_chord_3d_h_