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Diffstat (limited to 'tesseract/src/textord/gap_map.h')
-rw-r--r-- | tesseract/src/textord/gap_map.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tesseract/src/textord/gap_map.h b/tesseract/src/textord/gap_map.h new file mode 100644 index 00000000..7ed9aae6 --- /dev/null +++ b/tesseract/src/textord/gap_map.h @@ -0,0 +1,53 @@ +// 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, 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"); + +} // namespace tesseract + +#endif |