mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-11 15:09:03 +08:00
3a998fe7ac
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@651 d0cd1f9f-072b-0410-8dd7-cf729c803f20
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////
|
|
// File: mutableiterator.h
|
|
// Description: Iterator for tesseract results providing access to
|
|
// both high-level API and Tesseract internal data structures.
|
|
// Author: David Eger
|
|
// Created: Thu Feb 24 19:01:06 PST 2011
|
|
//
|
|
// (C) Copyright 2011, Google Inc.
|
|
// 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 TESSERACT_CCMAIN_MUTABLEITERATOR_H__
|
|
#define TESSERACT_CCMAIN_MUTABLEITERATOR_H__
|
|
|
|
#include "resultiterator.h"
|
|
|
|
class BLOB_CHOICE_IT;
|
|
|
|
namespace tesseract {
|
|
|
|
class Tesseract;
|
|
|
|
// Class to iterate over tesseract results, providing access to all levels
|
|
// of the page hierarchy, without including any tesseract headers or having
|
|
// to handle any tesseract structures.
|
|
// WARNING! This class points to data held within the TessBaseAPI class, and
|
|
// therefore can only be used while the TessBaseAPI class still exists and
|
|
// has not been subjected to a call of Init, SetImage, Recognize, Clear, End
|
|
// DetectOS, or anything else that changes the internal PAGE_RES.
|
|
// See apitypes.h for the definition of PageIteratorLevel.
|
|
// See also base class PageIterator, which contains the bulk of the interface.
|
|
// ResultIterator adds text-specific methods for access to OCR output.
|
|
// MutableIterator adds access to internal data structures.
|
|
|
|
class MutableIterator : public ResultIterator {
|
|
public:
|
|
// See argument descriptions in ResultIterator()
|
|
MutableIterator(PAGE_RES* page_res, Tesseract* tesseract,
|
|
int scale, int scaled_yres,
|
|
int rect_left, int rect_top,
|
|
int rect_width, int rect_height)
|
|
: ResultIterator(
|
|
LTRResultIterator(page_res, tesseract, scale, scaled_yres, rect_left,
|
|
rect_top, rect_width, rect_height)) {}
|
|
virtual ~MutableIterator() {}
|
|
|
|
// See PageIterator and ResultIterator for most calls.
|
|
|
|
// Return access to Tesseract internals.
|
|
const PAGE_RES_IT *PageResIt() const { return it_; }
|
|
};
|
|
|
|
} // namespace tesseract.
|
|
|
|
#endif // TESSERACT_CCMAIN_MUTABLEITERATOR_H__
|