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https://github.com/tesseract-ocr/tesseract.git
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91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/* -*-C-*-
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********************************************************************************
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*
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* File: gradechop.cpp (Formerly gradechop.c)
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* Description:
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* Author: Mark Seaman, OCR Technology
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* Created: Fri Oct 16 14:37:00 1987
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* Modified: Tue Jul 30 16:06:27 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Reusable Software Component
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*
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* (c) Copyright 1987, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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*********************************************************************************/
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/*----------------------------------------------------------------------
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I n c l u d e s
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----------------------------------------------------------------------*/
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#include "gradechop.h"
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#include "wordrec.h"
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#include "chop.h"
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#include "ndminx.h"
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#include <math.h>
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/*----------------------------------------------------------------------
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M a c r o s
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----------------------------------------------------------------------*/
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namespace tesseract {
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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/**********************************************************************
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* grade_split_length
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*
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* Return a grade for the length of this split.
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* 0 = "perfect"
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* 100 = "no way jay"
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**********************************************************************/
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PRIORITY Wordrec::grade_split_length(register SPLIT *split) {
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PRIORITY grade;
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float split_length;
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split_length =
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split->point1->WeightedDistance(*split->point2, chop_x_y_weight);
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if (split_length <= 0)
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grade = 0;
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else
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grade = sqrt (split_length) * chop_split_dist_knob;
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return (MAX (0.0, grade));
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}
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/**********************************************************************
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* grade_sharpness
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*
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* Return a grade for the sharpness of this split.
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* 0 = "perfect"
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* 100 = "no way jay"
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**********************************************************************/
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PRIORITY Wordrec::grade_sharpness(register SPLIT *split) {
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PRIORITY grade;
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grade = point_priority (split->point1) + point_priority (split->point2);
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if (grade < -360.0)
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grade = 0;
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else
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grade += 360.0;
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grade *= chop_sharpness_knob; /* Values 0 to -360 */
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return (grade);
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}
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} // namespace tesseract
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