tesseract/textord/gap_map.h

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#ifndef GAP_MAP_H
#define GAP_MAP_H
#include "blobbox.h"
#include "notdll.h"
class GAPMAP
{
public:
GAPMAP( //constructor
TO_BLOCK *block);
~GAPMAP () { //destructor
if (map != NULL)
free_mem(map);
}
BOOL8 table_gap( //Is gap a table?
INT16 left, //From here
INT16 right); //To here
private:
INT16 total_rows; //in block
INT16 min_left; //Left extreme
INT16 max_right; //Right extreme
INT16 bucket_size; // half an x ht
INT16 *map; //empty counts
INT16 map_max; //map[0..max_map] defind
BOOL8 any_tabs;
};
/*-----------------------------*/
extern BOOL_VAR_H (gapmap_debug, FALSE, "Say which blocks have tables");
extern BOOL_VAR_H (gapmap_use_ends, FALSE,
"Use large space at start and end of rows");
extern BOOL_VAR_H (gapmap_no_isolated_quanta, FALSE,
"Ensure gaps not less than 2quanta wide");
extern double_VAR_H (gapmap_big_gaps, 1.75, "xht multiplier");
#endif