/usr/include/tesseract/equationdetectbase.h is in libtesseract-dev 3.02.01-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | ///////////////////////////////////////////////////////////////////////
// File: equationdetectbase.h
// Description: The base class equation detection class.
// Author: Zongyi (Joe) Liu (joeliu@google.com)
// Created: Fri Aug 31 11:13:01 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_TEXTORD_EQUATIONDETECTBASE_H__
#define TESSERACT_TEXTORD_EQUATIONDETECTBASE_H__
class BLOBNBOX_LIST;
class TO_BLOCK;
struct Pix;
namespace tesseract {
class ColPartitionGrid;
class ColPartitionSet;
class EquationDetectBase {
public:
EquationDetectBase();
virtual ~EquationDetectBase();
// Iterate over the blobs inside to_block, and set the blobs that we want to
// process to BSTT_NONE. (By default, they should be BSTT_SKIP). The function
// returns 0 upon success.
virtual int LabelSpecialText(TO_BLOCK* to_block) = 0;
// Interface to find possible equation partition grid from part_grid. This
// should be called after IdentifySpecialText function.
virtual int FindEquationParts(ColPartitionGrid* part_grid,
ColPartitionSet** best_columns) = 0;
// Debug function: Render a bounding box on pix based on the value of its
// special_text_type, specifically:
// BSTT_MATH: red box
// BSTT_DIGIT: cyan box
// BSTT_ITALIC: green box
// BSTT_UNCLEAR: blue box
// All others: yellow box
static void RenderSpecialText(Pix* pix, BLOBNBOX* blob);
};
}; // namespace tesseract
#endif // TESSERACT_TEXTORD_EQUATIONDETECTBASE_H__
|