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95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
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/**********************************************************************
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* File: polyblob.h (Formerly blob.h)
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* Description: Code for PBLOB class.
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* Author: Ray Smith
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* Created: Wed Oct 23 15:17:41 BST 1991
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*
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* (C) Copyright 1991, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifndef POLYBLOB_H
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#define POLYBLOB_H
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#include "poutline.h"
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#include "rect.h"
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#include "normalis.h"
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#include "stepblob.h"
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class PBLOB:public ELIST_LINK
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{
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public:
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PBLOB() {
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} //empty constructor
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PBLOB( //constructor
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OUTLINE_LIST *outline_list); //in random order
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PBLOB( //constructor
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C_BLOB *cblob, //polygonal approx
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float xheight);
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OUTLINE_LIST *out_list() { //get outline list
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return &outlines;
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}
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BOX bounding_box(); //compute bounding box
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float area(); //get area of blob
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PBLOB *baseline_normalise( //normalise single blob
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ROW *row, //row it came from
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DENORM *denorm); //inverse mapping out
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void baseline_denormalise( //denormalise
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const DENORM *denorm); //antidote
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void plot( //draw one
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WINDOW window, //window to draw in
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COLOUR blob_colour, //for outer bits
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COLOUR child_colour); //for holes
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void move( // reposition blob
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const FCOORD vec); // by FLOAT vector
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void scale( // scale blob
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const float f); // by multiplier
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void scale( // scale blob
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const FCOORD vec); // by FLOAT vector
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void prep_serialise() { //set ptrs to counts
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outlines.prep_serialise ();
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}
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void dump( //write external bits
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FILE *f) {
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outlines.dump (f);
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}
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void de_dump( //read external bits
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FILE *f) {
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outlines.de_dump (f);
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}
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//assignment
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make_serialise (PBLOB) PBLOB & operator= (
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const PBLOB & source) { //from this
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if (!outlines.empty ())
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outlines.clear ();
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outlines.deep_copy (&source.outlines);
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return *this;
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}
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private:
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OUTLINE_LIST outlines; //master elements
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};
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ELISTIZEH_S (PBLOB)
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#endif
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