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tesseract/ccmain/tessedit.cpp
theraysmith b60c6065e3 Autoconf changes for 2.01 
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@110 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2007-08-30 18:25:18 +00:00

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