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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@207 d0cd1f9f-072b-0410-8dd7-cf729c803f20
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
/**********************************************************************
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* File: poutline.h (Formerly outline.h)
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* Description: OUTLINE class definition.
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* Author: Ray Smith
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* Created: Wed Oct 23 10:42:40 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 POUTLINE_H
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#define POUTLINE_H
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#include "scrollview.h"
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#include "polyvert.h"
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#include "rect.h"
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#include "blckerr.h"
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#define INTERSECTING MAX_INT16//no winding number
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class OUTLINE; //forward declaration
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ELISTIZEH_S (OUTLINE)
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class OUTLINE:public ELIST_LINK
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{
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public:
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OUTLINE() { //empty constructor
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}
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OUTLINE( //constructor
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const ICOORD &startpt, //start point
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inT8 *compactloop, //from Tess format
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BOOL8 reverse, //reverse it
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ICOORD bot_left, //bounding box
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ICOORD top_right);
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OUTLINE( //constructor
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POLYPT_IT *poly_it); //from list of pts
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OUTLINE_LIST *child() { //get child list
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return &children;
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}
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//access function
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const TBOX &bounding_box() const {
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return box;
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}
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void compute_bb(); //set bounding box
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//get start position
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const ICOORD &start_pos() const {
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return start;
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}
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float area(); //return area
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POLYPT_LIST *polypts() { //get poly
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return &outline;
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}
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BOOL8 operator< ( //containment test
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OUTLINE & other);
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BOOL8 operator> ( //containment test
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OUTLINE & other) {
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return other < *this; //use the < to do it
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}
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inT16 winding_number( //get winding number
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const FCOORD &testpt); //around this point
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void reverse(); //reverse it
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void move( // reposition outline
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const FCOORD vec); // by FLOAT vector
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void scale( // scale outline
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const float f); // by multiplier
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void scale( // scale outline
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const FCOORD vec); // by FLOAT vector
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void rotate( // rotate outline
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const FCOORD vector); // by fcoord
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void plot( //draw one
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ScrollView* window, //window to draw in
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ScrollView::Color colour); //colour to draw it
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void prep_serialise() { //set ptrs to counts
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outline.prep_serialise ();
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children.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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outline.dump (f);
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children.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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outline.de_dump (f);
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children.de_dump (f);
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}
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//assignment
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make_serialise(OUTLINE)
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OUTLINE& operator=(const OUTLINE& source);
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static OUTLINE* deep_copy(const OUTLINE* src) {
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OUTLINE* outline = new OUTLINE;
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*outline = *src;
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return outline;
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}
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private:
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TBOX box; //boudning box
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ICOORD start; //start coord
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POLYPT_LIST outline; //outline points
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OUTLINE_LIST children; //child elements
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};
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#endif
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