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/***************************************************************************
sq_utils.h - description
-------------------
begin : Thu Aug 2 2007
copyright : (C) 2007 by Baryshev Dmitry
email : ksquirrel.iv@gmail.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. *
* *
***************************************************************************/
#ifndef SQ_UTILS_H
#define SQ_UTILS_H
#include <qimage.h>
#include <qwmatrix.h>
class KURL;
class QString;
class SQ_Thumbnail;
/*
* Helper class for SQ_GLWidget and SQ_ThumbnailLoadJob:
*
* thumbnail loader, rotater, mmx scaler
*/
namespace SQ_Utils
{
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);
/*
* Scale given image to fit it within 'fitwithin'
*/
QImage scaleImage(unsigned char *im, int w, int h, int fitwithin);
#ifndef KSQUIRREL_PART
/*
* Create and save thumbnail for 'pixPath'
*/
bool loadThumbnail(const KURL &pixPath, SQ_Thumbnail&);
#endif
/*
* determine EXIF rotation and rotate image if needed
*/
void exifRotate(const QString &file, QImage &i, int o = -1);
QWMatrix exifGetMatrix(const QString &file, int o = -1);
};
#endif
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