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