jpegTools.h

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//==============================================
//  copyright            : (C) 2003-2005 by Will Stokes
//==============================================
//  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.
//==============================================
 
#ifndef BACKEND_TOOLS_JPEG_JPEGTOOLS_H
#define BACKEND_TOOLS_JPEG_JPEGTOOLS_H
 
class QString;
class QImage;
 
//fast scale a Jpeg img using libjpg to intially scale image by power of 2
bool scaleJPEG(QString fileIn, QImage& scaledImage,  int targetWidth, int targetHeight);
 
//apply lossless transformation on image (rotation or flip)
bool transformJPEG ( QString fileIn, QString fileOut, TRANSFORM_CODE transformation );
 
#endif //BACKEND_TOOLS_JPEG_JPEGTOOLS_H