tesseract/ccutil/boxread.h
2007-08-30 18:18:35 +00:00

38 lines
1.6 KiB
C

/**********************************************************************
* File: boxread.cpp
* Description: Read data from a box file.
* Author: Ray Smith
* Created: Fri Aug 24 17:47:23 PDT 2007
*
* (C) Copyright 2007, 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 THIRD_PARTY_TESSERACT_CCUTIL_BOXREAD_H__
#define THIRD_PARTY_TESSERACT_CCUTIL_BOXREAD_H__
#include <stdio.h>
const int kBufSize = 256;
// read_next_box factors out the code to interpret a line of a box
// file so that applybox and unicharset_extractor interpert the same way.
// This function returns the next valid box file utf8 string and coords
// and returns true, or false on eof (and closes the file).
// If ignores the uft8 file signature, checks for valid utf-8 and allows
// space or tab between fields.
// utf8_str must be at least kBufSize in length.
bool read_next_box(FILE* box_file, char* utf8_str,
int* x_min, int* y_min, int* x_max, int* y_max);
#endif // THIRD_PARTY_TESSERACT_CCUTIL_BOXREAD_H__