Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 432 insertions, 0 deletions

diff --git a/kooka/kadmosocr.cpp b/kooka/kadmosocr.cpp
new file mode 100644
index 00000000..72f9324b
--- /dev/null
+++ b/kooka/kadmosocr.cpp
@@ -0,0 +1,432 @@
+/***************************************************************************
+                      kadmosocr.cpp - Kadmos cpp interface
+                             -------------------
+    begin                : Fri Jun 30 2000
+
+    (c) 2002 re Recognition AG      Hafenstrasse 50b  CH-8280 Kreuzlingen
+    Switzerland          Phone: +41 (0)71 6780000  Fax: +41 (0)71 6780099
+    Website: www.reRecognition.com         E-mail: info@reRecognition.com
+
+    Author: Tamas Nagy (nagy@rerecognition.com)
+            Klaas Freitag <freitag@suse.de>
+            Heike Stuerzenhofecker <heike@freisturz.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 Qt, and distribute the resulting executable,       *
+ *  without including the source code for Qt in the source distribution.   *
+ *                                                                         *
+ ***************************************************************************/
+
+/* Kadmos CPP object oriented interface */
+
+#include <qimage.h>
+#include <qpainter.h>
+#include <qstring.h>
+#include <qrect.h>
+#include <qstringlist.h>
+
+#include <assert.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <kdebug.h>
+
+#include "kadmosocr.h"
+#include "ocrword.h"
+
+#ifdef HAVE_KADMOS
+
+using namespace Kadmos;
+
+/* -------------------- CRep -------------------- */
+CRep::CRep()
+    :QObject()
+{
+  memset(&m_RepData, 0, sizeof(m_RepData));
+  m_Error = RE_SUCCESS;
+  m_undetectChar = QChar('_');
+}
+
+CRep::~CRep()
+{
+}
+
+RelGraph* CRep::getGraphKnode(int line, int offset )
+{
+    Kadmos::RepResult *res = getRepResult(line);
+    if( res )
+        return ( &(getRepResult(line)->rel_graph[0])+offset);
+    else
+        return 0L;
+
+}
+
+
+RepResult* CRep::getRepResult(int line)
+{
+    if( line<0 || line >= m_RepData.rep_result_len ) return 0L;
+    return &(m_RepData.rep_result[line]);
+}
+
+RelResult* CRep::getRelResult(int line, RelGraph* graph, int alternative)
+{
+    if( ! ( graph && getRepResult(line))) return 0L;
+    int offset = graph->result_number[alternative];
+    return( &(getRepResult(line)->rel_result[0]) + offset );
+}
+
+
+KADMOS_ERROR CRep::Init(const char* ClassifierFilename)
+{
+    /* prepare RepData structure */
+    m_RepData.init.rel_grid_maxlen   = GRID_MAX_LEN;
+    m_RepData.init.rel_graph_maxlen  = GRAPH_MAX_LEN;
+    m_RepData.init.rel_result_maxlen = CHAR_MAX_LEN;
+    m_RepData.init.rep_memory_size   = LINE_MAX_LEN * sizeof(RepResult) +
+	(long)LINE_MAX_LEN * CHAR_MAX_LEN * (sizeof(RelGraph)+
+					     sizeof(RelResult));
+    m_RepData.init.rep_memory = malloc( m_RepData.init.rep_memory_size );
+    if (!m_RepData.init.rep_memory) {
+	CheckError();
+	return m_Error;
+    }
+    strcpy(m_RepData.init.version, INC_KADMOS);
+
+    m_Error = rep_init(&m_RepData, (char*)ClassifierFilename);
+    CheckError();
+    return m_Error;
+}
+
+void CRep::run() // KADMOS_ERROR CRep::Recognize()
+{
+    kdDebug(28000) << "ooo Locked and ocr!" << endl;
+    m_Error = rep_do(&m_RepData);
+    CheckError();
+}
+
+KADMOS_ERROR CRep::End()
+{
+  m_Error = rep_end(&m_RepData);
+  CheckError();
+  return m_Error;
+}
+
+int CRep::GetMaxLine()
+{
+  return m_RepData.rep_result_len;
+}
+
+const char* CRep::RepTextLine(int nLine, unsigned char RejectLevel, int RejectChar, long Format)
+{
+    m_Error = rep_textline(&m_RepData, nLine, m_Line,
+                           2*CHAR_MAX_LEN, RejectLevel, RejectChar, Format);
+    CheckError();
+    return m_Line;
+}
+
+/**
+ * This method handles the given line. It takes repRes and goes through the
+ * kadmos result tree structures recursivly.
+ */
+ocrWordList CRep::getLineWords( int line )
+{
+    ocrWordList repWords;
+    bool ok = true;
+
+    Kadmos::RepResult *repRes = getRepResult(line);
+
+    if( ! repRes )
+    {
+        kdDebug(28000) << "repRes-Pointer is null" << endl;
+        ok = false;
+    }
+
+    if( ok )
+    {
+        int nextKnode=0;
+
+        do
+        {
+            QString resultWord;
+            QRect boundingRect;
+
+            int newNextKnode = nextBestWord( line, nextKnode, resultWord, boundingRect );
+            boundingRect.moveBy( repRes->left, repRes->top );
+
+            ocrWord newWord;
+            newWord = resultWord;
+            newWord.setKnode(nextKnode);
+            newWord.setLine(line);
+            newWord.setRect(boundingRect);
+            repWords.push_back(newWord);
+
+            /* set nextKnode to the next Knode */
+            nextKnode = newNextKnode;
+
+
+            // Alternativen:
+            // partStrings( line, nextKnode, QString());   // fills m_parts - list with alternative words
+            // nextKnode = newNextKnode;
+            // kdDebug(28000) << "NextKnodeWord: " << resultWord << endl;
+        }
+        while( nextKnode > 0 );
+    }
+    return repWords;
+}
+
+
+/* This fills theWord with the next best word and returns the
+ * next knode or 0 if there is no next node
+ */
+int CRep::nextBestWord( int line, int knode, QString& theWord, QRect& brect )
+{
+
+    Kadmos::RelGraph  *relg = getGraphKnode( line, knode );
+    // kdDebug(28000) << "GraphKnode is " << knode << endl;
+    int nextKnode = knode;
+
+    while( relg )
+    {
+        Kadmos::RelResult *relr = getRelResult( line, relg, 0 ); // best alternative
+        if( relr )
+        {
+            // kdDebug(28000) << "Leading Blanks: " << relg->leading_blanks <<
+            //    " und Knode " << knode << endl;
+            char c = relr->rec_char[0][0];
+            QChar newChar = c;
+            if( c == 0 )
+            {
+                kdDebug(28000) << "Undetected char found !" << endl;
+                newChar = m_undetectChar;
+            }
+
+            if ( (nextKnode != knode) && (relg->leading_blanks > 0))
+            {
+                /* this means the word ends here. */
+                // kdDebug(28000) << "----" << theWord << endl;
+                relg = 0L; /* Leave the loop. */
+            }
+            else
+            {
+                /* append the character */
+                theWord.append(newChar);
+
+                /* save the bounding rect */
+                // kdDebug(28000) << "LEFT: " << relr->left << " TOP: " << relr->top << endl;
+                QRect r( relr->left, relr->top, relr->width, relr->height );
+
+                if( brect.isNull() )
+                {
+                    brect = r;
+                }
+                else
+                {
+                    brect = brect.unite( r );
+                }
+
+                /* next knode */
+                if( relg->next[0] > 0 )
+                {
+                    nextKnode = relg->next[0];
+                    relg = getGraphKnode( line, nextKnode );
+                }
+                else
+                {
+                    /* end of the line */
+                    nextKnode = 0;
+                    relg = 0L;
+                }
+            }
+        }
+    }
+    return( nextKnode );
+}
+
+
+
+void CRep::partStrings( int line, int graphKnode, QString soFar )
+{
+    /* The following knodes after a word break */
+    Kadmos::RelGraph  *relg = getGraphKnode( line, graphKnode );
+    // kdDebug(28000) << "GraphKnode is " << graphKnode << endl;
+
+    QString theWord="";
+    for( int resNo=0; resNo < SEG_ALT; resNo++ )
+    {
+        // kdDebug(28000) << "Alternative " << resNo << " is " << relg->result_number[resNo] << endl;
+        if( relg->result_number[resNo] == -1 )
+        {
+            /* This means that there is no other alternative. Go out here. */
+            break;
+        }
+
+        Kadmos::RelResult *relr = getRelResult( line, relg, resNo );
+        theWord = QChar(relr->rec_char[0][0]);
+
+        if ( !soFar.isEmpty() && relg->leading_blanks )
+        {
+            /* this means the previous words end. */
+            // TODO: This forgets the alternatives of _this_ first character of the new word.
+
+            kdDebug(28000) << "---- " << soFar << endl;
+            m_parts << soFar;
+            break;
+        }
+        else
+        {
+            /* make a QString from this single char and append it. */
+            soFar += theWord;
+        }
+
+        if( relg->next[resNo] > 0 )
+        {
+            /* There is a follower to this knode. Combine the result list from a recursive call
+             * to this function with the follower knode.
+             */
+            partStrings( line, relg->next[resNo], soFar );
+        }
+        else
+        {
+            /* There is no follower */
+            kdDebug(28000) << "No followers - theWord is " << soFar << endl;
+            m_parts<<soFar;
+            break;
+        }
+    }
+}
+
+
+
+void CRep::drawCharBox( QPixmap *pix, const QRect& r )
+{
+    drawBox( pix, r, QColor( Qt::red ));
+}
+
+void CRep::drawLineBox( QPixmap* pix, const QRect& r )
+{
+    drawBox( pix, r, QColor( Qt::blue ));
+}
+
+void CRep::drawBox( QPixmap* pix, const QRect& r, const QColor& color )
+{
+    QPainter p;
+    p.begin(pix);
+
+    p.setPen( color );
+    p.drawRect(r);
+}
+
+
+
+KADMOS_ERROR CRep::SetImage( const QString file )
+{
+    ReImageHandle image_handle;
+    image_handle = re_readimage(file.latin1(), &m_RepData.image);
+    if( ! image_handle )
+    {
+        kdDebug(28000) << "Can not load input file" << endl;
+    }
+    CheckError();
+    return RE_SUCCESS;
+
+}
+
+KADMOS_ERROR CRep::SetImage(QImage *Image)
+{
+    // memcpy(&m_RepData.image, Image.bits(), Image.numBytes());
+    if( !Image ) return RE_PARAMETERERROR;
+
+    kdDebug(28000) << "Setting image manually." << endl;
+    m_RepData.image.data    = (void*)Image->bits();
+    m_RepData.image.imgtype = IMGTYPE_PIXELARRAY;
+    m_RepData.image.width   = Image->width();
+    m_RepData.image.height  = Image->height();
+    m_RepData.image.bitsperpixel = Image->depth();
+    m_RepData.image.alignment = 1;
+    m_RepData.image.fillorder = FILLORDER_MSB2LSB;
+    // color
+    if( Image->depth() == 1 || (Image->numColors()==2 && Image->depth() == 8) )
+    {
+        m_RepData.image.color=COLOR_BINARY;
+        kdDebug(28000) << "Setting Binary" << endl;
+    } else if( Image->isGrayscale() ) {
+        m_RepData.image.color = COLOR_GRAY;
+        kdDebug(28000) << "Setting GRAY" << endl;
+
+    } else {
+        m_RepData.image.color = COLOR_RGB;
+        kdDebug(28000) << "Setting Color RGB" << endl;
+    }
+    // orientation
+    m_RepData.image.orientation = ORIENTATION_TOPLEFT;
+    m_RepData.image.photometric = PHOTOMETRIC_MINISWHITE;
+    m_RepData.image.resunit = RESUNIT_INCH;
+    m_RepData.image.xresolution = 200;
+    m_RepData.image.yresolution = 200;
+
+    CheckError();
+
+    return RE_SUCCESS;
+}
+
+void CRep::SetNoiseReduction(bool bNoiseReduction)
+{
+  if (bNoiseReduction) {
+    m_RepData.parm.prep |= PREP_AUTO_NOISEREDUCTION;
+  }
+  else {
+    m_RepData.parm.prep &= !PREP_AUTO_NOISEREDUCTION;
+  }
+}
+
+void CRep::SetScaling(bool bScaling)
+{
+  if (bScaling) {
+    m_RepData.parm.prep |= PREP_SCALING;
+  }
+  else {
+    m_RepData.parm.prep &= !PREP_SCALING;
+  }
+}
+
+void CRep::CheckError()
+{
+    if ( kadmosError() )
+    {
+	kdDebug(28000) << "KADMOS ERROR: " << getErrorText() << endl;
+    }
+}
+
+/* returns a QString containing the string describing the kadmos error */
+QString CRep::getErrorText() const
+{
+    re_ErrorText Err;
+    re_GetErrorText(&Err);
+    return QString::fromLocal8Bit( Err.text );
+}
+
+bool CRep::kadmosError()
+{
+    return m_Error != RE_SUCCESS;
+}
+
+#include "kadmosocr.moc"
+
+#endif /* HAVE_KADMOS */
+
+
+// } /* End of Kadmos namespace */