mirror of
https://github.com/tesseract-ocr/tesseract.git
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85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
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///////////////////////////////////////////////////////////////////////
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// File: tesseractclass.cpp
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// Description: An instance of Tesseract. For thread safety, *every*
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// global variable goes in here, directly, or indirectly.
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// Author: Ray Smith
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// Created: Fri Mar 07 08:17:01 PST 2008
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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 "tesseractclass.h"
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#include "globals.h"
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// Include automatically generated configuration file if running autoconf.
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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#endif
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#ifdef HAVE_LIBLEPT
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// Include leptonica library only if autoconf (or makefile etc) tell us to.
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#include "allheaders.h"
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#endif
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namespace tesseract {
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Tesseract::Tesseract()
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: BOOL_MEMBER(tessedit_resegment_from_boxes, false,
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"Take segmentation and labeling from box file"),
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BOOL_MEMBER(tessedit_train_from_boxes, false,
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"Generate training data from boxed chars"),
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BOOL_MEMBER(tessedit_dump_pageseg_images, false,
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"Dump itermediate images made during page segmentation"),
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// The default for pageseg_mode is the old behaviour, so as not to
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// upset anything that relies on that.
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INT_MEMBER(tessedit_pageseg_mode, 2,
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"Page seg mode: 0=auto, 1=col, 2=block, 3=line, 4=word, 6=char"
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" (Values from PageSegMode enum in baseapi.h)"),
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INT_MEMBER(tessedit_accuracyvspeed, 0,
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"Accuracy V Speed tradeoff: 0 fastest, 100 most accurate"
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" (Values from AccuracyVSpeed enum in baseapi.h)"),
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BOOL_MEMBER(tessedit_train_from_boxes_word_level, false,
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"Generate training data from boxed chars at word level."),
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STRING_MEMBER(tessedit_char_blacklist, "",
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"Blacklist of chars not to recognize"),
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STRING_MEMBER(tessedit_char_whitelist, "",
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"Whitelist of chars to recognize"),
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BOOL_MEMBER(global_tessedit_ambigs_training, false,
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"Perform training for ambiguities"),
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pix_binary_(NULL),
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deskew_(1.0f, 0.0f),
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reskew_(1.0f, 0.0f),
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hindi_image_(false) {
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}
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Tesseract::~Tesseract() {
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Clear();
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}
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void Tesseract::Clear() {
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#ifdef HAVE_LIBLEPT
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if (pix_binary_ != NULL)
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pixDestroy(&pix_binary_);
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#endif
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deskew_ = FCOORD(1.0f, 0.0f);
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reskew_ = FCOORD(1.0f, 0.0f);
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}
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void Tesseract::SetBlackAndWhitelist() {
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// Set the white and blacklists (if any)
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unicharset.set_black_and_whitelist(tessedit_char_blacklist.string(),
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tessedit_char_whitelist.string());
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}
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} // namespace tesseract
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