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comparison mupdf-source/thirdparty/tesseract/src/ccmain/mutableiterator.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 ///////////////////////////////////////////////////////////////////////
2 // File: mutableiterator.h
3 // Description: Iterator for tesseract results providing access to
4 // both high-level API and Tesseract internal data structures.
5 // Author: David Eger
6 //
7 // (C) Copyright 2011, Google Inc.
8 // Licensed under the Apache License, Version 2.0 (the "License");
9 // you may not use this file except in compliance with the License.
10 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
12 // Unless required by applicable law or agreed to in writing, software
13 // distributed under the License is distributed on an "AS IS" BASIS,
14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 // See the License for the specific language governing permissions and
16 // limitations under the License.
17 //
18 ///////////////////////////////////////////////////////////////////////
19
20 #ifndef TESSERACT_CCMAIN_MUTABLEITERATOR_H_
21 #define TESSERACT_CCMAIN_MUTABLEITERATOR_H_
22
23 #include <tesseract/resultiterator.h>
24
25 class BLOB_CHOICE_IT;
26
27 namespace tesseract {
28
29 class Tesseract;
30
31 // Class to iterate over tesseract results, providing access to all levels
32 // of the page hierarchy, without including any tesseract headers or having
33 // to handle any tesseract structures.
34 // WARNING! This class points to data held within the TessBaseAPI class, and
35 // therefore can only be used while the TessBaseAPI class still exists and
36 // has not been subjected to a call of Init, SetImage, Recognize, Clear, End
37 // DetectOS, or anything else that changes the internal PAGE_RES.
38 // See tesseract/publictypes.h for the definition of PageIteratorLevel.
39 // See also base class PageIterator, which contains the bulk of the interface.
40 // ResultIterator adds text-specific methods for access to OCR output.
41 // MutableIterator adds access to internal data structures.
42
43 class TESS_API MutableIterator : public ResultIterator {
44 public:
45 // See argument descriptions in ResultIterator()
46 MutableIterator(PAGE_RES *page_res, Tesseract *tesseract, int scale, int scaled_yres,
47 int rect_left, int rect_top, int rect_width, int rect_height)
48 : ResultIterator(LTRResultIterator(page_res, tesseract, scale, scaled_yres, rect_left,
49 rect_top, rect_width, rect_height)) {}
50 ~MutableIterator() override;
51
52 // See PageIterator and ResultIterator for most calls.
53
54 // Return access to Tesseract internals.
55 const PAGE_RES_IT *PageResIt() const {
56 return it_;
57 }
58 };
59
60 } // namespace tesseract.
61
62 #endif // TESSERACT_CCMAIN_MUTABLEITERATOR_H_