ccstruct/polyblob.h

Go to the documentation of this file.

#ifndef           POLYBLOB_H
#define           POLYBLOB_H

#include          "poutline.h"
#include          "rect.h"
#include          "normalis.h"
#include          "stepblob.h"

class PBLOB:public ELIST_LINK
{
  public:
    PBLOB() { 
    }                            //empty constructor
    PBLOB(                              //constructor
          OUTLINE_LIST *outline_list);  //in random order
    PBLOB(                //constructor
          C_BLOB *cblob,  //polygonal approx
          float xheight);

    OUTLINE_LIST *out_list() {  //get outline list
      return &outlines;
    }

    BOX bounding_box();  //compute bounding box
    float area();  //get area of blob

    PBLOB *baseline_normalise(                  //normalise single blob
                              ROW *row,         //row it came from
                              DENORM *denorm);  //inverse mapping out
    void baseline_denormalise(                        //denormalise
                              const DENORM *denorm);  //antidote

    void plot(                       //draw one
              WINDOW window,         //window to draw in
              COLOUR blob_colour,    //for outer bits
              COLOUR child_colour);  //for holes

    void move(                    // reposition blob
              const FCOORD vec);  // by FLOAT vector

    void scale(                 // scale blob
               const float f);  // by multiplier
    void scale(                    // scale blob
               const FCOORD vec);  // by FLOAT vector

    void prep_serialise() {  //set ptrs to counts
      outlines.prep_serialise ();
    }

    void dump(  //write external bits
              FILE *f) {
      outlines.dump (f);
    }

    void de_dump(  //read external bits
                 FILE *f) {
      outlines.de_dump (f);
    }

                                 //assignment
    make_serialise (PBLOB) PBLOB & operator= (
    const PBLOB & source) {      //from this
      if (!outlines.empty ())
        outlines.clear ();

      outlines.deep_copy (&source.outlines);
      return *this;
    }

  private:
    OUTLINE_LIST outlines;
};

ELISTIZEH_S (PBLOB)
#endif

---