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4523ce9f7d
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@526 d0cd1f9f-072b-0410-8dd7-cf729c803f20
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/**********************************************************************
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* File: alt_list.cpp
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* Description: Class to abstarct a list of alternate results
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* Author: Ahmad Abdulkader
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* Created: 2007
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*
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* (C) Copyright 2008, Google Inc.
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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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#include "altlist.h"
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#include <stdlib.h>
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namespace tesseract {
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AltList::AltList(int max_alt) {
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max_alt_ = max_alt;
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alt_cnt_ = 0;
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alt_cost_ = NULL;
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alt_tag_ = NULL;
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}
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AltList::~AltList() {
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if (alt_cost_ != NULL) {
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delete []alt_cost_;
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alt_cost_ = NULL;
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}
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if (alt_tag_ != NULL) {
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delete []alt_tag_;
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alt_tag_ = NULL;
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}
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}
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// return the best possible cost and index of corresponding alternate
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int AltList::BestCost(int *best_alt) const {
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if (alt_cnt_ <= 0) {
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(*best_alt) = -1;
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return -1;
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}
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int best_alt_idx = 0;
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for (int alt_idx = 1; alt_idx < alt_cnt_; alt_idx++) {
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if (alt_cost_[alt_idx] < alt_cost_[best_alt_idx]) {
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best_alt_idx = alt_idx;
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}
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}
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(*best_alt) = best_alt_idx;
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return alt_cost_[best_alt_idx];
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}
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}
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