omggdal.h

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/***************************************************************************
 *   Copyright (C) 2005 by Tim Sutton   *
 *   tim@linfiniti.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef OMGGDAL_H
#define OMGGDAL_H

#include <QObject>
#include "gdal_priv.h"
class QString;

struct BandStats {
        QString bandName;
        int bandNo;
        double minValDouble;
        double maxValDouble;
        //the distance between min & max
        double rangeDouble;
        double meanDouble;
        double sumSqrDevDouble; //used to calculate stddev
        double stdDevDouble;
        double sumDouble;
        int elementCountInt;
        double noDataDouble;
};

  int CPL_STDCALL progressCallback( double dfComplete, const char *pszMessage,
                       void * pProgressArg );

class OMG_LIB_EXPORT OmgGdal : public QObject
{
  Q_OBJECT;

public:
  //declare eums first!
  enum FileType {GeoTiff,ArcInfoAscii};

  OmgGdal();
  ~OmgGdal();

  const QString getWorldFile(const QString theFileName) ;
  const QString getAsciiHeader(const QString theFileName) ;
  const bool convert(const QString theInputFile, const QString theOutputFileName, const FileType theOutputFileType) ;

  //  const bool gdalResize(const QString theFileName, const QString theOutputFileName, const int theWidth, const int theHeight){};

  void buildSupportedRasterFileFilter(QString & theFileFiltersString);

  const QString contour(const QString theInputFile);
  void showProgress (int theProgress,int theMaximum);
  static bool isValidGdalFile(const QString theFilename);
  static bool isValidGdalProj(const QString theFilename);

  void writeImage(QString theInputFileString, 
    QString theOutputFileString,
    int theWidth,
    int theHeight);
  const bool makeLegend(const QString theOutputFileName, const int theWidth);
  const bool gdal2gdal(const QString theFileName, 
    const QString theOutputFileName,
    const QString theFormat);
  const bool gdal2Tiff(const QString theFileName, const QString theOutputFileName);
  const bool gdal2Ascii(const QString theFileName, const QString theOutputFileName);
signals:
  void error (QString theError);
  void updateProgress (int theProgress,int theMaximum);

private:

  void calculateStats(BandStats * theBandStats,GDALDataset * gdalDataset);

};
#endif //OMGGDAL_H

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