mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-29 03:48:10 +08:00
903a4ffe9d
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@289 d0cd1f9f-072b-0410-8dd7-cf729c803f20
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/**********************************************************************
|
|
* 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() {
|
|
}
|
|
explicit C_BLOB(C_OUTLINE_LIST *outline_list);
|
|
|
|
// Build and return a fake blob containing a single fake outline with no
|
|
// steps.
|
|
static C_BLOB* FakeBlob(const TBOX& box);
|
|
|
|
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(const ICOORD vec); // repostion blob by vector
|
|
void rotate(const FCOORD& rotation); // Rotate by given 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
|