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/**********************************************************************
* File: stepblob.h (Formerly cblob.h)
* Description: Code for C_BLOB class.
* Author: Ray Smith
* Created: Tue Oct 08 10:41:13 BST 1991
*
* (C) Copyright 1991, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifndef STEPBLOB_H
#define STEPBLOB_H
#include "coutln.h"
#include "rect.h"
class C_BLOB:public ELIST_LINK
{
public:
C_BLOB() {
} //empty constructor
C_BLOB( //constructor //in random order
C_OUTLINE_LIST *outline_list);
C_OUTLINE_LIST *out_list() { //get outline list
return &outlines;
}
TBOX bounding_box(); //compute bounding box
inT32 area(); //compute area
inT32 perimeter(); // Total perimeter of outlines and 1st level children.
inT32 outer_area(); //compute area
inT32 count_transitions( //count maxima
inT32 threshold); //size threshold
void move( // reposition blob
const ICOORD vec); // by vector
void plot( //draw one
ScrollView* window, //window to draw in
ScrollView::Color blob_colour, //for outer bits
ScrollView::Color child_colour); //for holes
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(C_BLOB)
C_BLOB& operator= (const C_BLOB & source) {
if (!outlines.empty ())
outlines.clear();
outlines.deep_copy(&source.outlines, &C_OUTLINE::deep_copy);
return *this;
}
static C_BLOB* deep_copy(const C_BLOB* src) {
C_BLOB* blob = new C_BLOB;
*blob = *src;
return blob;
}
private:
C_OUTLINE_LIST outlines; //master elements
};
ELISTIZEH_S (C_BLOB)
#endif
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