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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#pragma once
#define QT_NO_PRINTER 1
#include <QtWidgets>
#include <QMainWindow>
#include <QPrinter>
QT_BEGIN_NAMESPACE
class QAction;
class QLabel;
class QMenu;
class QScrollArea;
class QScrollBar;
class MdiChild;
QT_END_NAMESPACE
class ImageViewer : public QMainWindow
{
Q_OBJECT
public:
ImageViewer();
MdiChild* graphWindow;
QMdiSubWindow* subWindowRef; //reference to its wrapping sub window
public slots:
bool open(const QString &fileName);
void print();
void zoomIn();
void zoomOut();
void normalSize();
void fitToWindow();
void about();
private slots:
private:
void createActions();
void createMenus();
void updateActions();
void scaleImage(double factor);
void adjustScrollBar(QScrollBar *scrollBar, double factor);
QLabel *imageLabel;
QScrollArea *scrollArea;
double scaleFactor;
#ifndef QT_NO_PRINTER
QPrinter printer;
#endif
QAction *openAct;
QAction *printAct;
QAction *exitAct;
QAction *zoomInAct;
QAction *zoomOutAct;
QAction *normalSizeAct;
QAction *fitToWindowAct;
QAction *aboutAct;
QAction *aboutQtAct;
QMenu *viewMenu;
protected:
void closeEvent(QCloseEvent *event);
};
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