imagepreview.h

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #ifndef IMAGEPREVIEW_H
00021 #define IMAGEPREVIEW_H
00022 
00023 #include <qwidget.h>
00024 #include <qimage.h>
00025 
00026 class ImagePreview : public QWidget
00027 {
00028 public:
00029     ImagePreview(QWidget *parent=0, const char *name=0);
00030     ~ImagePreview();
00031 
00032     void setParameters(int brightness, int hue, int saturation, int gamma);
00033     void setImage(const QImage& image);
00034     void setBlackAndWhite(bool on);
00035     QSize minimumSizeHint() const;
00036 
00037 private: // Private attributes
00038     int brightness_;
00039     int hue_;
00040     int saturation_;
00041     int gamma_;
00042     bool bw_;
00043     QImage image_;
00044 
00045 protected: // Protected methods
00046     void paintEvent(QPaintEvent*);
00047 };
00048 
00049 #endif
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