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tdegraphics/kooka/kocrkadmos.cpp

522 lines
14 KiB

/***************************************************************************
kocrstartdia.cpp - description
-------------------
begin : Fri Now 10 2000
copyright : (C) 2000 by Klaas Freitag
email : freitag@suse.de
***************************************************************************/
/***************************************************************************
* *
* This file may be distributed and/or modified under the terms of the *
* GNU General Public License version 2 as published by the Free Software *
* Foundation and appearing in the file COPYING included in the *
* packaging of this file. *
*
* As a special exception, permission is given to link this program *
* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
* Kreuzlingen and distribute the resulting executable without *
* including the source code for KADMOS in the source distribution. *
*
* As a special exception, permission is given to link this program *
* with any edition of TQt, and distribute the resulting executable, *
* without including the source code for TQt in the source distribution. *
* *
***************************************************************************/
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqfileinfo.h>
#include <tqtooltip.h>
#include <tqvbox.h>
#include <tqdict.h>
#include <tqdir.h>
#include <tqmap.h>
#include <tqbuttongroup.h>
#include <tqradiobutton.h>
#include <tdeapplication.h>
#include <tdeconfig.h>
#include <tdeglobal.h>
#include <kdebug.h>
#include <tdelocale.h>
#include <kanimwidget.h>
#include <kseparator.h>
#include <tdemessagebox.h>
#include "resource.h"
#include "ksaneocr.h" // TODO: Really needed?
#include "kocrkadmos.h"
#include "kocrkadmos.moc"
#include <kscanslider.h>
#include <tqcheckbox.h>
#include <kstandarddirs.h>
#include <tqstringlist.h>
/* defines for konfig-reading */
#define CFG_GROUP_KADMOS "Kadmos"
#define CFG_KADMOS_CLASSIFIER_PATH "classifierPath"
#define CFG_KADMOS_CLASSIFIER "classifier"
#define CNTRY_CZ i18n( "Czech Republic, Slovakia")
#define CNTRY_GB i18n( "Great Britain, USA" )
KadmosDialog::KadmosDialog( TQWidget *parent, KSpellConfig *spellConfig )
:KOCRBase( parent, spellConfig, KDialogBase::Tabbed ),
m_cbNoise(0),
m_cbAutoscale(0),
m_haveNorm(false)
{
kdDebug(28000) << "Starting KOCR-Start-Dialog!" << endl;
// Layout-Boxes
findClassifiers();
}
TQString KadmosDialog::ocrEngineLogo() const
{
return "kadmoslogo.png";
}
TQString KadmosDialog::ocrEngineName() const
{
return i18n("KADMOS OCR/ICR");
}
TQString KadmosDialog::ocrEngineDesc() const
{
return i18n("This version of Kooka was linked with the <I>KADMOS OCR/ICR engine</I>, a "
"commercial engine for optical character recognition.<P>"
"Kadmos is a product of <B>re Recognition AG</B><BR>"
"For more information about Kadmos OCR see "
"<A HREF=http://www.rerecognition.com>"
"http://www.rerecognition.com</A>");
}
EngineError KadmosDialog::findClassifiers()
{
findClassifierPath();
TDELocale *locale = TDEGlobal::locale();
TQStringList allCountries = locale->allLanguagesTwoAlpha ();
for ( TQStringList::Iterator it = allCountries.begin();
it != allCountries.end(); ++it )
{
m_longCountry2short[locale->twoAlphaToCountryName(*it)] = *it;
}
m_longCountry2short[i18n("European Countries")] = "eu";
m_longCountry2short[ CNTRY_CZ ] = "cz";
m_longCountry2short[ CNTRY_GB ] = "us";
TQStringList lst;
/* custom Path */
if( ! m_customClassifierPath.isEmpty() )
{
TQDir dir( m_customClassifierPath );
TQStringList lst1 = dir.entryList( "ttf*.rec" );
for ( TQStringList::Iterator it = lst1.begin(); it != lst1.end(); ++it )
{
lst << m_customClassifierPath + *it;
}
lst1 = dir.entryList( "hand*.rec" );
for ( TQStringList::Iterator it = lst1.begin(); it != lst1.end(); ++it )
{
lst << m_customClassifierPath + *it;
}
lst1 = dir.entryList( "norm*.rec" );
for ( TQStringList::Iterator it = lst1.begin(); it != lst1.end(); ++it )
{
lst << m_customClassifierPath + *it;
}
}
else
{
/* standard location */
TDEStandardDirs stdDir;
kdDebug(28000) << "Starting to read resource" << endl;
lst = stdDir.findAllResources( "data",
"kooka/classifiers/*.rec",
true, /* recursive */
true ); /* uniqu */
}
/* no go through lst and sort out hand-, ttf- and norm classifier */
for ( TQStringList::Iterator it = lst.begin(); it != lst.end(); ++it )
{
TQFileInfo fi( *it);
TQString name = fi.fileName().lower();
kdDebug(28000) << "Checking file " << *it << endl;
if( name.startsWith( "ttf" ) )
{
TQString lang = name.mid(3,2);
if( allCountries.contains(lang) )
{
TQString lngCountry = locale->twoAlphaToCountryName(lang);
if( lngCountry.isEmpty() )
lngCountry = name;
m_ttfClassifier << lngCountry;
kdDebug(28000) << "ttf: Insert country " << lngCountry << endl;
}
else if( lang == "cz" )
{
m_ttfClassifier << CNTRY_CZ;
}
else if( lang == "us" )
{
m_ttfClassifier << CNTRY_GB;
}
else
{
m_ttfClassifier << name;
kdDebug(28000) << "ttf: Unknown country" << endl;
}
}
else if( name.startsWith( "hand" ) )
{
TQString lang = name.mid(4,2);
if( allCountries.contains(lang) )
{
TQString lngCountry = locale->twoAlphaToCountryName(lang);
if( lngCountry.isEmpty() )
lngCountry = name;
m_handClassifier << lngCountry;
}
else if( lang == "cz" )
{
m_handClassifier << i18n( "Czech Republic, Slovakia");
}
else if( lang == "us" )
{
m_handClassifier << i18n( "Great Britain, USA" );
}
else
{
kdDebug(28000) << "Hand: Unknown country " << lang << endl;
m_handClassifier << name;
}
}
else if( name.startsWith( "norm" ))
{
m_haveNorm = true;
}
kdDebug(28000) << "Found classifier: " << *it << endl;
m_classifierPath << *it;
}
if( m_handClassifier.count()+m_ttfClassifier.count()>0 )
{
/* There are classifiers */
return ENG_OK;
}
else
{
/* Classifier are missing */
return ENG_DATA_MISSING;
}
}
EngineError KadmosDialog::findClassifierPath()
{
TDEStandardDirs stdDir;
EngineError err = ENG_OK;
TDEConfig *conf = TDEGlobal::config ();
TDEConfigGroupSaver gs( conf, CFG_GROUP_KADMOS );
m_customClassifierPath = conf->readPathEntry( CFG_KADMOS_CLASSIFIER_PATH );
#if 0
if( m_customClassifierPath == "NotFound" )
{
/* Wants the classifiers from the standard kde paths */
KMessageBox::error(0, i18n("The classifier files for KADMOS could not be found.\n"
"OCR with KADMOS will not be possible!\n\n"
"Change the OCR engine in the preferences dialog."),
i18n("Installation Error") );
}
else
{
m_classifierPath = customPath;
}
#endif
return err;
}
EngineError KadmosDialog::setupGui()
{
EngineError err = KOCRBase::setupGui();
// setupPreprocessing( addVBoxPage( i18n("Preprocessing")));
// setupSegmentation( addVBoxPage( i18n("Segmentation")));
// setupClassification( addVBoxPage( i18n("Classification")));
/* continue page setup on the first page */
TQVBox *page = ocrPage();
// Horizontal line
(void) new KSeparator( KSeparator::HLine, page);
// FIXME: dynamic classifier reading.
(void) new TQLabel( i18n("Please classify the font type and language of the text on the image:"),
page );
TQHBox *locBox = new TQHBox( page );
m_bbFont = new TQButtonGroup(1, TQt::Horizontal, i18n("Font Type Selection"), locBox);
m_rbMachine = new TQRadioButton( i18n("Machine print"), m_bbFont );
m_rbHand = new TQRadioButton( i18n("Hand writing"), m_bbFont );
m_rbNorm = new TQRadioButton( i18n("Norm font"), m_bbFont );
m_gbLang = new TQGroupBox(1, TQt::Horizontal, i18n("Country"), locBox);
m_cbLang = new TQComboBox( m_gbLang );
m_cbLang->setCurrentText( TDELocale::defaultCountry() );
connect( m_bbFont, TQ_SIGNAL(clicked(int)), this, TQ_SLOT(slFontChanged(int) ));
m_rbMachine->setChecked(true);
/* --- */
TQHBox *innerBox = new TQHBox( page );
innerBox->setSpacing( KDialog::spacingHint());
TQButtonGroup *cbGroup = new TQButtonGroup( 1, TQt::Horizontal, i18n("OCR Modifier"), innerBox );
TQ_CHECK_PTR(cbGroup);
m_cbNoise = new TQCheckBox( i18n( "Enable automatic noise reduction" ), cbGroup );
m_cbAutoscale = new TQCheckBox( i18n( "Enable automatic scaling"), cbGroup );
getAnimation(innerBox);
// (void) new TQWidget ( page );
if( err != ENG_OK )
{
enableFields(false);
enableButton(User1, false );
}
if( m_ttfClassifier.count() == 0 )
{
m_rbMachine->setEnabled(false);
}
if( m_handClassifier.count() == 0 )
{
m_rbHand->setEnabled(false);
}
if( !m_haveNorm )
m_rbNorm->setEnabled(false);
if( (m_ttfClassifier.count() + m_handClassifier.count()) == 0 && ! m_haveNorm )
{
KMessageBox::error(0, i18n("The classifier files for KADMOS could not be found.\n"
"OCR with KADMOS will not be possible!\n\n"
"Change the OCR engine in the preferences dialog."),
i18n("Installation Error") );
err = ENG_BAD_SETUP;
}
else
slFontChanged( 0 ); // Load machine print font language list
return err;
}
void KadmosDialog::slFontChanged( int id )
{
m_cbLang->clear();
TDEConfig *conf = TDEGlobal::config ();
TDEConfigGroupSaver gs( conf, CFG_GROUP_KADMOS );
m_customClassifierPath = conf->readPathEntry( CFG_KADMOS_CLASSIFIER_PATH );
bool enable = true;
if( id == 0 ) /* Machine Print */
{
m_cbLang->insertStringList( m_ttfClassifier );
}
else if( id == 1 ) /* Hand Writing */
{
m_cbLang->insertStringList( m_handClassifier );
}
else if( id == 2 ) /* Norm Font */
{
enable = false;
}
m_cbLang->setEnabled( enable );
}
void KadmosDialog::setupPreprocessing( TQVBox* )
{
}
void KadmosDialog::setupSegmentation( TQVBox* )
{
}
void KadmosDialog::setupClassification( TQVBox* )
{
}
/*
* returns the complete path of the classifier selected in the
* GUI in the parameter path. The result value indicates if there
* was one found.
*/
bool KadmosDialog::getSelClassifier( TQString& path ) const
{
TQString classifier = getSelClassifierName();
TQString cmplPath;
/*
* Search the complete path for the classifier file name
* returned from the getSelClassifierName method
*/
for ( TQStringList::ConstIterator it = m_classifierPath.begin();
it != m_classifierPath.end(); ++it )
{
TQFileInfo fi( *it );
if( fi.fileName() == classifier )
{
cmplPath = *it;
break;
}
}
bool res = true;
if( cmplPath.isEmpty() )
{
/* hm, no path was found */
kdDebug(28000) << "ERR; The entire path is empty, joking?" << endl;
res = false;
}
else
{
/* Check if the classifier exists on the HD. If not, return an empty string */
TQFileInfo fi(cmplPath);
if( res && ! fi.exists() )
{
kdDebug(28000) << "Classifier file does not exist" << endl;
path = i18n("Classifier file %1 does not exist").arg(classifier);
res = false;
}
if( res && ! fi.isReadable() )
{
kdDebug(28000) << "Classifier file could not be read" << endl;
path = i18n("Classifier file %1 is not readable").arg(classifier);
res = false;
}
if( res )
path = cmplPath;
}
return res;
}
TQString KadmosDialog::getSelClassifierName() const
{
TQButton *butt = m_bbFont->selected();
TQString fType, rType;
if( butt )
{
int fontTypeID = m_bbFont->id(butt);
if( fontTypeID == 0 )
fType = "ttf";
else if( fontTypeID == 1 )
fType = "hand";
else if( fontTypeID == 2 )
fType = "norm";
else
kdDebug(28000) << "ERR: Wrong Font Type ID" << endl;
}
/* Get the long text from the combo box */
TQString selLang = m_cbLang->currentText();
TQString trans;
if( fType != "norm" && m_longCountry2short.contains( selLang ))
{
TQString langType = m_longCountry2short[selLang];
trans = fType+langType+".rec";
}
else
{
if( selLang.endsWith( ".rec" ))
{
/* can be a undetected */
trans = selLang;
}
else if( fType == "norm" )
{
trans = "norm.rec";
}
else
kdDebug(28000) << "ERROR: Not a valid classifier" << endl;
}
kdDebug(28000) << "Returning trans. "<< trans << endl;
return( trans );
}
bool KadmosDialog::getAutoScale()
{
return( m_cbAutoscale ? m_cbAutoscale->isChecked() : false );
}
bool KadmosDialog::getNoiseReduction()
{
return( m_cbNoise ? m_cbNoise->isChecked() : false );
}
KadmosDialog::~KadmosDialog()
{
}
void KadmosDialog::writeConfig( void )
{
}
void KadmosDialog::enableFields( bool state )
{
kdDebug(28000) << "About to disable the entry fields" << endl;
m_cbNoise->setEnabled( state );
m_cbAutoscale->setEnabled( state );
m_bbFont->setEnabled( state );
m_gbLang->setEnabled( state );
}
/* The End ;) */