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https://github.com/tesseract-ocr/tesseract.git
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b60c6065e3
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@110 d0cd1f9f-072b-0410-8dd7-cf729c803f20
359 lines
12 KiB
C++
359 lines
12 KiB
C++
/**********************************************************************
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* File: tessedit.cpp (Formerly tessedit.c)
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* Description: Main program for merge of tess and editor.
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* Author: Ray Smith
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* Created: Tue Jan 07 15:21:46 GMT 1992
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*
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* (C) Copyright 1992, Hewlett-Packard Ltd.
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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 "mfcpch.h"
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//#include <osfcn.h>
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//#include <signal.h>
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//#include <time.h>
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//#include <unistd.h>
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#include "tfacep.h" //must be before main.h
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//#include "fileerr.h"
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#include "stderr.h"
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#include "basedir.h"
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#include "tessvars.h"
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//#include "debgwin.h"
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//#include "epapdest.h"
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#include "control.h"
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#include "imgs.h"
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#include "reject.h"
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#include "pageres.h"
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//#include "gpapdest.h"
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#include "mainblk.h"
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#include "nwmain.h"
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#include "pgedit.h"
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#include "ocrshell.h"
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#include "tprintf.h"
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//#include "ipeerr.h"
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//#include "restart.h"
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#include "tessedit.h"
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//#include "fontfind.h"
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#include "permute.h"
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#include "permdawg.h"
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#include "permnum.h"
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#include "stopper.h"
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#include "adaptmatch.h"
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#include "intmatcher.h"
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#include "chop.h"
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#include "efio.h"
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#include "danerror.h"
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#include "globals.h"
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/*
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** Include automatically generated configuration file if running autoconf
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*/
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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// Includes libtiff if HAVE_LIBTIFF is defined
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#ifdef HAVE_LIBTIFF
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#include "tiffio.h"
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#endif
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#endif
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#ifdef GOOGLE3
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#include "third_party/tiff/tiffio.h"
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#endif
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//extern "C" {
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#include "callnet.h" //phils nn stuff
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//}
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#include "notdll.h" //phils nn stuff
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#define VARDIR "configs/" /*variables files */
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//config under api
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#define API_CONFIG "configs/api_config"
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#define EXTERN
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EXTERN BOOL_EVAR (tessedit_write_vars, FALSE, "Write all vars to file");
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EXTERN BOOL_VAR (tessedit_tweaking_tess_vars, FALSE,
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"Fiddle tess config values");
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EXTERN double_VAR (tweak_garbage, 1.5, "Tess VAR");
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EXTERN double_VAR (tweak_ok_word, 1.25, "Tess VAR");
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EXTERN double_VAR (tweak_good_word, 1.1, "Tess VAR");
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EXTERN double_VAR (tweak_freq_word, 1.0, "Tess VAR");
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EXTERN double_VAR (tweak_ok_number, 1.4, "Tess VAR");
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EXTERN double_VAR (tweak_good_number, 1.1, "Tess VAR");
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EXTERN double_VAR (tweak_non_word, 1.25, "Tess VAR");
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EXTERN double_VAR (tweak_CertaintyPerChar, -0.5, "Tess VAR");
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EXTERN double_VAR (tweak_NonDictCertainty, -2.5, "Tess VAR");
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EXTERN double_VAR (tweak_RejectCertaintyOffset, 1.0, "Tess VAR");
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EXTERN double_VAR (tweak_GoodAdaptiveMatch, 0.125, "Tess VAR");
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EXTERN double_VAR (tweak_GreatAdaptiveMatch, 0.10, "Tess VAR");
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EXTERN INT_VAR (tweak_ReliableConfigThreshold, 2, "Tess VAR");
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EXTERN INT_VAR (tweak_AdaptProtoThresh, 230, "Tess VAR");
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EXTERN INT_VAR (tweak_AdaptFeatureThresh, 230, "Tess VAR");
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EXTERN INT_VAR (tweak_min_outline_points, 6, "Tess VAR");
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EXTERN INT_VAR (tweak_min_outline_area, 2000, "Tess VAR");
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EXTERN double_VAR (tweak_good_split, 50.0, "Tess VAR");
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EXTERN double_VAR (tweak_ok_split, 100.0, "Tess VAR");
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extern INT16 XOFFSET;
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extern INT16 YOFFSET;
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extern int NO_BLOCK;
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//progress monitor
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ETEXT_DESC *global_monitor = NULL;
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int init_tesseract(const char *arg0,
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const char *textbase,
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const char *language,
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const char *configfile,
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int configc,
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const char *const *configv) {
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FILE *var_file;
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static char c_path[MAX_PATH]; //path for c code
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// Set the basename, compute the data directory and read C++ configs.
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main_setup(arg0, textbase, configc, configv);
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debug_window_on.set_value (FALSE);
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if (tessedit_write_vars) {
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var_file = fopen ("edited.cfg", "w");
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if (var_file != NULL) {
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print_variables(var_file);
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fclose(var_file);
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}
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}
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strcpy (c_path, datadir.string ());
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c_path[strlen (c_path) - strlen (m_data_sub_dir.string ())] = '\0';
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demodir = c_path;
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// Set the language data path prefix
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language_data_path_prefix = datadir;
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if (language != NULL)
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language_data_path_prefix += language;
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else
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language_data_path_prefix += "eng";
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language_data_path_prefix += ".";
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// Load the unichar set
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STRING unicharpath = language_data_path_prefix;
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unicharpath += "unicharset";
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if (!unicharset.load_from_file(unicharpath.string())) {
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cprintf("Unable to load unicharset file %s\n", unicharpath.string());
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exit(1);
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}
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if (unicharset.size() > MAX_NUM_CLASSES) {
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cprintf("Error: Size of unicharset is greater than MAX_NUM_CLASSES\n");
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exit(1);
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}
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start_recog(configfile, textbase);
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set_tess_tweak_vars();
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if (tessedit_use_nn) //phils nn stuff
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init_net();
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return 0; //Normal exit
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}
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void end_tesseract() {
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end_recog();
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}
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#ifdef _TIFFIO_
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void read_tiff_image(TIFF* tif, IMAGE* image) {
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tdata_t buf;
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uint32 image_width, image_height;
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uint16 photometric;
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short bpp;
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TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &image_width);
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &image_height);
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TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &bpp);
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TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photometric);
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// Tesseract's internal representation is 0-is-black,
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// so if the photometric is 1 (min is black) then high-valued pixels
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// are 1 (white), otherwise they are 0 (black).
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UINT8 high_value = photometric == 1;
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image->create(image_width, image_height, bpp);
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IMAGELINE line;
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line.init(image_width);
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buf = _TIFFmalloc(TIFFScanlineSize(tif));
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int bytes_per_line = (image_width*bpp + 7)/8;
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UINT8* dest_buf = image->get_buffer();
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// This will go badly wrong with one of the more exotic tiff formats,
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// but the majority will work OK.
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for (int y = 0; y < image_height; ++y) {
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TIFFReadScanline(tif, buf, y);
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memcpy(dest_buf, buf, bytes_per_line);
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dest_buf += bytes_per_line;
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}
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if (high_value == 0)
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invert_image(image);
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_TIFFfree(buf);
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}
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#endif
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/* Define command type identifiers */
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enum CMD_EVENTS
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{
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ACTION_1_CMD_EVENT,
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RECOG_WERDS,
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RECOG_PSEUDO,
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ACTION_2_CMD_EVENT
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};
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/**********************************************************************
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* extend_menu()
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*
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* Function called by pgeditor to let you extend the command menu.
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* Items can be added to the "MODES" and "OTHER" menus. The modes_id_base
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* and other_id_base parameters are required to offset your command event ids
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* from those of pgeditor, and to let the pgeditor which commands are mode
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* changes and which are unmoded commands. (Sorry if you think these offsets
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* are a bit kludgy, the alternative would be to duplicate all the menu
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* constructor modes within pgeditor so that the offsets could be hidden.)
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*
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* Items for the "MODES" menu may only be simple menu items (just a name and
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* id). Items for the "OTHER" menu can be editable parameters or boolean
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* toggles. Refer to menu.h to see how to build different types.
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**********************************************************************/
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void extend_menu( //handle for "MODES"
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RADIO_MENU *modes_menu,
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INT16 modes_id_base, //mode cmd ids offset
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NON_RADIO_MENU *other_menu, //handle for "OTHER"
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INT16 other_id_base //mode cmd ids offset
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) {
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/* Example new mode */
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modes_menu->add_child (new RADIO_MENU_LEAF ("Recog Words",
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modes_id_base + RECOG_WERDS));
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modes_menu->add_child (new RADIO_MENU_LEAF ("Recog Blobs",
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modes_id_base + RECOG_PSEUDO));
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/* Example toggle
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other_menu->add_child(
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new TOGGLE_MENU_LEAF( "Action 2", //Display string
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other_id_base + ACTION_2_CMD_EVENT, //offset command id
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FALSE ) ); //Initial value
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Example text parm (commented out)
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other_menu->add_child(
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new VARIABLE_MENU_LEAF( "Parm change", //Display string
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other_id_base + ACTION_3_CMD_EVENT, //offset command id
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"default value" ) ); //default value string
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*/
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}
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/**********************************************************************
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* extend_moded_commands()
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*
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* Function called by pgeditor when the user is in one of the extended modes
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* defined by extend_menu() and the user has selected an area in the image
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* window.
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**********************************************************************/
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void extend_moded_commands( //current mode
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INT32 mode,
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BOX selection_box //area selected
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) {
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char msg[MAX_CHARS + 1];
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switch (mode) {
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case RECOG_WERDS:
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command_window->msg ("Recogging selected words");
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/* This is how to apply a "word processor" function to each selected word */
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process_selected_words(current_block_list,
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selection_box,
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&recog_interactive);
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break;
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case RECOG_PSEUDO:
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command_window->msg ("Recogging selected blobs");
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/* This is how to apply a "word processor" function to each selected word */
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recog_pseudo_word(current_block_list, selection_box);
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break;
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default:
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sprintf (msg, "Unexpected extended mode " INT32FORMAT, mode);
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command_window->msg (msg);
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}
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}
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/**********************************************************************
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* extend_unmoded_commands()
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*
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* Function called by pgeditor when the user has selected one of the unmoded
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* extended menu options.
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**********************************************************************/
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void extend_unmoded_commands( //current mode
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INT32 cmd_event,
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char *new_value //changed value if any
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) {
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char msg[MAX_CHARS + 1];
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switch (cmd_event) {
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case ACTION_2_CMD_EVENT: //a toggle event
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if (new_value[0] == 'T')
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//Display message
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command_window->msg ("Extended Action 2 ON!!");
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else
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command_window->msg ("Extended Action 2 OFF!!");
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break;
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default:
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sprintf (msg, "Unrecognised extended command " INT32FORMAT " (%s)",
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cmd_event, new_value);
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command_window->msg (msg);
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break;
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}
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}
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/*************************************************************************
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* set_tess_tweak_vars()
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* Set TESS vars from the tweek value - This is only really of use during search
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* of the space of tess configs - othertimes the default values are set
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*
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*************************************************************************/
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void set_tess_tweak_vars() {
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if (tessedit_tweaking_tess_vars) {
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garbage = tweak_garbage;
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ok_word = tweak_ok_word;
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good_word = tweak_good_word;
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freq_word = tweak_freq_word;
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ok_number = tweak_ok_number;
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good_number = tweak_good_number;
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non_word = tweak_non_word;
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CertaintyPerChar = tweak_CertaintyPerChar;
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NonDictCertainty = tweak_NonDictCertainty;
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RejectCertaintyOffset = tweak_RejectCertaintyOffset;
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GoodAdaptiveMatch = tweak_GoodAdaptiveMatch;
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GreatAdaptiveMatch = tweak_GreatAdaptiveMatch;
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ReliableConfigThreshold = tweak_ReliableConfigThreshold;
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AdaptProtoThresh = tweak_AdaptProtoThresh;
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AdaptFeatureThresh = tweak_AdaptFeatureThresh;
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min_outline_points = tweak_min_outline_points;
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min_outline_area = tweak_min_outline_area;
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good_split = tweak_good_split;
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ok_split = tweak_ok_split;
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}
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// if (expiry_day * 24 * 60 * 60 < time(NULL))
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// err_exit();
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}
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