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/**********************************************************************
* File: polyblob.h (Formerly blob.h)
* Description: Code for PBLOB class.
* Author: Ray Smith
* Created: Wed Oct 23 15:17:41 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 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;
}
TBOX 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
ScrollView* window, //window to draw in
ScrollView::Color blob_colour, //for outer bits
ScrollView::Color 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 rotate(); // Rotate 90 deg anti
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) {
if (!outlines.empty ())
outlines.clear ();
outlines.deep_copy(&source.outlines, &OUTLINE::deep_copy);
return *this;
}
static PBLOB* deep_copy(const PBLOB* src) {
PBLOB* blob = new PBLOB;
*blob = *src;
return blob;
}
private:
OUTLINE_LIST outlines; //master elements
};
ELISTIZEH_S (PBLOB)
#endif
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