// 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 GAP_MAP_H

#define GAP_MAP_H

#include "blobbox.h"

namespace tesseract {

class GAPMAP {

public:

  GAPMAP( // constructor

      TO_BLOCK *block);

  ~GAPMAP() { // destructor

    delete[] map;

  }

  bool table_gap(     // Is gap a table?

      int16_t left,   // From here

      int16_t right); // To here

private:

  int16_t total_rows;  // in block

  int16_t min_left;    // Left extreme

  int16_t max_right;   // Right extreme

  int16_t bucket_size; // half an x ht

  int16_t *map;        // empty counts

  int16_t map_max;     // map[0..max_map] defined

  bool any_tabs;

};

/*-----------------------------*/

extern BOOL_VAR_H(gapmap_debug);

extern BOOL_VAR_H(gapmap_use_ends);

extern BOOL_VAR_H(gapmap_no_isolated_quanta);

extern double_VAR_H(gapmap_big_gaps);

} // namespace tesseract

#endif