Qt:Документация 4.3.2/graphicsview-portedasteroids-animateditem-h
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[править] animateditem.h Example File
graphicsview/portedasteroids/animateditem.h
/**************************************************************************** ** ** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 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 GNU ** General Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/ ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.0, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** In addition, as a special exception, Trolltech, as the sole copyright ** holder for Qt Designer, grants users of the Qt/Eclipse Integration ** plug-in the right for the Qt/Eclipse Integration to link to ** functionality provided by Qt Designer and its related libraries. ** ** Trolltech reserves all rights not expressly granted herein. ** ** Trolltech ASA (c) 2007 ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #ifndef ANIMATEDPIXMAPITEM_H #define ANIMATEDPIXMAPITEM_H #include <QGraphicsItem> class AnimatedPixmapItem : public QGraphicsItem { public: AnimatedPixmapItem(const QList<QPixmap> &animation, QGraphicsScene *scene = 0); void setFrame(int frame); inline int frame() const { return currentFrame; } inline int frameCount() const { return frames.size(); } inline QPixmap image(int frame) const { return frames.isEmpty() ? QPixmap() : frames.at(frame % frames.size()).pixmap; } inline void setVelocity(qreal xvel, qreal yvel) { vx = xvel; vy = yvel; } inline qreal xVelocity() const { return vx; } inline qreal yVelocity() const { return vy; } QRectF boundingRect() const; QPainterPath shape() const; void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); void advance(int phase); private: struct Frame { QPixmap pixmap; QPainterPath shape; QRectF boundingRect; }; int currentFrame; QList<Frame> frames; qreal vx, vy; }; #endif
Copyright © 2007 Trolltech | Trademarks | Qt 4.3.2
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