157 lines
4.5 KiB
C++
157 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef IMAGEVIEWER_H
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#define IMAGEVIEWER_H
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#include <QMainWindow>
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#include <QPrinter>
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#include <QtGui>
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#include <QResizeEvent>
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#include <QPushButton>
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#include <QSlider>
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#include <QColor>
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#include "fstream"
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class QAction;
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class QLabel;
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class QMenu;
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class QScrollArea;
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class QScrollBar;
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class QTextEdit;
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class QVBoxLayout;
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class QTabWidget;
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class QPushButton;
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class QSpinBox;
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class ImageViewer : public QMainWindow {
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Q_OBJECT
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private:
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// Beispiel für GUI Elemente
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QWidget* m_option_panel1;
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QVBoxLayout* m_option_layout1;
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QWidget* m_option_panel2;
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QVBoxLayout* m_option_layout2;
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QPushButton* button1;
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QPushButton* button2;
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QPushButton* button3;
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QPushButton* button4;
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QSpinBox* spinbox1;
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// hier können weitere GUI Objekte hin wie Buttons Slider etc.
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QSlider* lineSlider;
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private slots:
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// Beispiel für einen Algorithmus
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void drawBlackLine();
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// hier können weitere als SLOTS definierte Funktionen hin, die auf Knopfdruck etc. aufgerufen werden.
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void drawRainbowCross();
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void drawDiagonalCross();
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void acidTrippin();
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void open();
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void print();
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void zoomIn();
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void zoomOut();
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void normalSize();
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void fitToWindow();
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void about();
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public:
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ImageViewer();
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bool loadFile(const QString &);
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void updateImageDisplay();
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protected:
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void resizeEvent(QResizeEvent * event);
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private:
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void drawRainbowCross(int h);
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// in diesen Beiden Methoden sind Änderungen nötig bzw. sie dienen als
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// Vorlage für eigene Methoden.
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void generateControlPanels();
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// Ab hier technische Details die nicht für das Verständnis notwendig sind.
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void startLogging();
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void generateMainGui();
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void createActions();
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void createMenus();
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void updateActions();
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void scaleImage(double factor);
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void adjustScrollBar(QScrollBar *scrollBar, double factor);
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void renewLogging();
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QTabWidget* tabWidget;
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QTextEdit* logBrowser;
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QWidget* centralwidget;
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QLabel* imageLabel;
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QScrollArea* scrollArea;
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double scaleFactor;
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QImage* image;
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std::fstream logFile;
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#ifndef QT_NO_PRINTER
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QPrinter printer;
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#endif
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QAction *openAct;
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QAction *printAct;
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QAction *exitAct;
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QAction *zoomInAct;
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QAction *zoomOutAct;
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QAction *normalSizeAct;
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QAction *fitToWindowAct;
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QAction *aboutAct;
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QAction *aboutQtAct;
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QMenu *fileMenu;
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QMenu *viewMenu;
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QMenu *helpMenu;
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};
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#endif
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