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Diffstat (limited to 'examples/embedded/embeddedsvgviewer/embeddedsvgviewer.h')
-rw-r--r-- | examples/embedded/embeddedsvgviewer/embeddedsvgviewer.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/examples/embedded/embeddedsvgviewer/embeddedsvgviewer.h b/examples/embedded/embeddedsvgviewer/embeddedsvgviewer.h new file mode 100644 index 0000000..a9bdfdf --- /dev/null +++ b/examples/embedded/embeddedsvgviewer/embeddedsvgviewer.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef EMBEDDED_SVG_VIEWER_H +#define EMBEDDED_SVG_VIEWER_H + +#include <QWidget> +#include <QString> +#include <QSvgRenderer> +#include <QSize> +#include <QMouseEvent> +#include <QSlider> +#include <QPushButton> + +class EmbeddedSvgViewer : public QWidget +{ + Q_OBJECT +public: + EmbeddedSvgViewer(const QString& filePath); + virtual void paintEvent(QPaintEvent *event); + void mouseMoveEvent ( QMouseEvent * event ); + void mousePressEvent ( QMouseEvent * event ); + void resizeEvent ( QResizeEvent * event ); + +public slots: + void setZoom(int); // 100 <= newZoom < 0 + +private: + QSvgRenderer* m_renderer; + QSlider* m_zoomSlider; + QPushButton* m_quitButton; + QSize m_imageSize; + qreal m_zoomLevel; + qreal m_imageScale; // How many Image coords 1 widget pixel is worth + + QRectF m_viewBox; + QRectF m_viewBoxBounds; + QSizeF m_viewBoxSize; + QPointF m_viewBoxCenter; + QPointF m_viewBoxCenterOnMousePress; + QPoint m_mousePress; + + void updateImageScale(); + QRectF getViewBox(QPointF viewBoxCenter); +}; + + + +#endif |