File indexing completed on 2024-04-21 15:12:17

 /************************************************************************
  *                                  *
  *  This file is part of Kooka, a scanning/OCR application using    *
  *  Qt <http://www.qt.io> and KDE Frameworks <http://www.kde.org>.  *
  *                                  *
  *  Copyright (C) 2009-2018 Jonathan Marten <jjm@keelhaul.me.uk>    *
  *                                  *
  *  Kooka is free software; you can redistribute it and/or modify it    *
  *  under the terms of the GNU Library General Public License as    *
  *  published by the Free Software Foundation and appearing in the  *
  *  file COPYING included in the packaging of this file;  either    *
  *  version 2 of the License, or (at your option) any later version.    *
  *                                  *
  *  As a special exception, permission is given to link this program    *
  *  with any version of the KADMOS OCR/ICR engine (a product of     *
  *  reRecognition GmbH, Kreuzlingen), and distribute the resulting  *
  *  executable without including the source code for KADMOS in the  *
  *  source distribution.                        *
  *                                  *
  *  This program is distributed in the hope that it will be useful, *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of  *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
  *  GNU General Public License for more details.            *
  *                                  *
  *  You should have received a copy of the GNU General Public       *
  *  License along with this program;  see the file COPYING.  If     *
  *  not, see <http://www.gnu.org/licenses/>.                *
  *                                  *
  ************************************************************************/
 
 #include <stdlib.h>
 #include <stdio.h>
 
 #include <qhash.h>
 #include <qstring.h>
 #include <qtextstream.h>
 #include <qcoreapplication.h>
 #include <qcommandlineparser.h>
 #include <qimagereader.h>
 #include <qimagewriter.h>
 #include <qmimetype.h>
 #include <qmimedatabase.h>
 
 
 #define READ        0x01
 #define WRITE       0x02
 
 #define FMT     "%1  %2 %3    %4   %5    %6"
 #define FIELD1      (-8)
 #define FIELD23     (-5)
 #define FIELD4      (-30)
 #define FIELD5      (-9)
 #define FIELD6      (-5)
 
 #define YESNO(b)    ((b) ? " Y" : " -")
 
 #if (QT_VERSION>=QT_VERSION_CHECK(5, 12, 0))
 #define HAVE_REVERSE_LOOKUP
 #endif
 
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     app.setApplicationName("qimageioinfo");
     app.setApplicationVersion("1.0.0");
 
     QCommandLineParser parser;
     parser.setApplicationDescription("Show QImageIO supported formats and information");
     parser.addHelpOption();
     parser.addVersionOption();
     parser.process(app);
 
     QHash<QByteArray,int> combinedMap;
 
     QList<QByteArray> readTypes = QImageReader::supportedImageFormats();
     QList<QByteArray> writeTypes = QImageWriter::supportedImageFormats();
 
     for (const QByteArray &it : qAsConst(readTypes))
     {
         combinedMap[it.toUpper().trimmed()] |= READ;
     }
 
     for (const QByteArray &it : qAsConst(writeTypes))
     {
         combinedMap[it.toUpper().trimmed()] |= WRITE;
     }
 
     QList<QByteArray> formats(combinedMap.keys());
     std::sort(formats.begin(), formats.end());
 
     QTextStream ts(stdout);
 
     ts << Qt::endl << QString("Found %1 supported image formats").arg(formats.count()) << Qt::endl;
 
     ts << Qt::endl;
     ts << QString(FMT)
         .arg("Format",FIELD1)
         .arg("Read",FIELD23)
         .arg("Write",FIELD23)
         .arg("MIME type",FIELD4)
 #ifdef HAVE_REVERSE_LOOKUP
         .arg("Reverse",FIELD5)
 #else
         .arg("",FIELD5)
 #endif
         .arg("Extension",FIELD6)
        << Qt::endl;
     ts << QString(FMT)
         .arg("------",FIELD1)
         .arg("----",FIELD23)
         .arg("-----",FIELD23)
         .arg("---------",FIELD4)
 #ifdef HAVE_REVERSE_LOOKUP
         .arg("-------",FIELD5)
 #else
         .arg("",FIELD5)
 #endif
         .arg("---------",FIELD6)
        << Qt::endl;
 
     QMimeDatabase db;
 
     for (const QByteArray &format : qAsConst(formats))
     {
         int sup = combinedMap[format];
 
         const QMimeType mime = db.mimeTypeForFile(QString("/tmp/x.")+format.toLower(), QMimeDatabase::MatchExtension);
         bool isDefault = (mime.name()=="application/octet-stream");
         QString type = (isDefault ? "(none)" : mime.name());
         QString ext = (isDefault ? "" : mime.suffixes().value(0));
         QString icon = mime.iconName();
 
 #ifdef HAVE_REVERSE_LOOKUP
         QString backfmt = "(none)";
         QList<QByteArray> formats = QImageReader::imageFormatsForMimeType(mime.name().toLocal8Bit());
         int fcount = formats.count();           // get format from file name
         if (fcount>0)
         {
             backfmt = formats.first().trimmed().toUpper();
             if (fcount>1) backfmt += QString(" (+%1)").arg(fcount-1);
         }
 #else
         QString backfmt = "";
 #endif
 
         ts << QString(FMT)
             .arg(format.constData(),FIELD1)
             .arg(YESNO(sup & READ),FIELD23)
             .arg(YESNO(sup & WRITE),FIELD23)
             .arg(type,FIELD4)
             .arg(backfmt,FIELD5)
             .arg(ext,FIELD6)
            << Qt::endl;
     }
 
     ts << Qt::endl;
     return (EXIT_SUCCESS);
 }