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// vim: set tabstop=4 shiftwidth=4 noexpandtab
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aurélien Gâteau
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef IMAGEUTILS_H
#define IMAGEUTILS_H
// Qt
#include <qimage.h>
// Local
#include "imageutils/orientation.h"
namespace ImageUtils {
enum SmoothAlgorithm { SMOOTH_NONE, SMOOTH_FAST, SMOOTH_NORMAL, SMOOTH_BEST };
QImage scale(const QImage& image, int width, int height,
SmoothAlgorithm alg, QImage::ScaleMode mode = QImage::ScaleFree, double blur = 1.0);
int extraScalePixels( SmoothAlgorithm alg, double zoom, double blur = 1.0 );
QImage transform(const QImage& img, Orientation orientation);
QImage changeBrightness( const QImage& image, int brightness );
QImage changeContrast( const QImage& image, int contrast );
QImage changeGamma( const QImage& image, int gamma );
QWMatrix transformMatrix(Orientation orientation);
}
#endif
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