#Qt image viewer how to#

Tr( 'The Image Viewer example shows how to combine QLabel ' 'and QScrollArea to display an image. QMessageBox::about( this, tr( 'About Image Viewer'), ScrollArea->setWidgetResizable(fitToWindow)

Painter.drawPixmap(0, 0, *imageLabel->pixmap()) īool fitToWindow = fitToWindowAct->isChecked()

tViewport(rect.x(), rect.y(), size.width(), size.height()) Size.scale(rect.size(), Qt::KeepAspectRatio) QSize size = imageLabel->pixmap()->size() ImageLabel->setPixmap(QPixmap::fromImage(image)) QMessageBox::information( this, tr( 'Image Viewer'), QString fileName = QFileDialog::getOpenFileName( this, ScrollArea->setBackgroundRole(QPalette::Dark) ImageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored) ImageLabel->setBackgroundRole(QPalette::Base) Void adjustScrollBar(QScrollBar *scrollBar, double factor) ** If you have questions regarding the use of this file, please contact ** ensure the GNU General Public License version 3.0 requirements will be ** Foundation and appearing in the file LICENSE.GPL included in the

#Qt image viewer software#

** General Public License version 3.0 as published by the Free Software ** Alternatively, this file may be used under the terms of the GNU ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. These rights are described in the Nokia Qt LGPL Exception ** In addition, as a special exception, Nokia gives you certain additional ** ensure the GNU Lesser General Public License version 2.1 requirements Please review the following information to ** Foundation and appearing in the file LICENSE.LGPL included in the ** General Public License version 2.1 as published by the Free Software ** Alternatively, this file may be used under the terms of the GNU Lesser ** GNU Lesser General Public License Usage ** a written agreement between you and Nokia. ** Software or, alternatively, in accordance with the terms contained in ** accordance with the Qt Commercial License Agreement provided with the ** Licensees holding valid Qt Commercial licenses may use this file in ** Contact: Nokia Corporation This file is part of the examples of the Qt Toolkit. ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).