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authorAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
committerAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
commitf15b8a83e2e51955776a3f07cb85ebfc342dd8ef (patch)
treec5dc684986051654898db11ce73e03b9fec8db99 /examples/graphicsview/portedasteroids/animateditem.cpp
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Initial import of statemachine branch from the old kinetic repository
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "animateditem.h"
+
+#include <QtGui/qbitmap.h>
+#include <QtGui/qpainter.h>
+
+AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,
+ QGraphicsScene *scene)
+ : QGraphicsItem(0, scene), currentFrame(0), vx(0), vy(0)
+{
+ for (int i = 0; i < animation.size(); ++i) {
+ QPixmap pixmap = animation.at(i);
+ Frame frame;
+ frame.pixmap = pixmap;
+ frame.shape = QPainterPath();
+ frame.boundingRect = pixmap.rect();
+ frames << frame;
+ }
+}
+
+void AnimatedPixmapItem::setFrame(int frame)
+{
+ if (!frames.isEmpty()) {
+ prepareGeometryChange();
+ currentFrame = frame % frames.size();
+ }
+}
+
+void AnimatedPixmapItem::advance(int phase)
+{
+ if (phase == 1)
+ moveBy(vx, vy);
+}
+
+QRectF AnimatedPixmapItem::boundingRect() const
+{
+ return frames.at(currentFrame).boundingRect;
+}
+
+QPainterPath AnimatedPixmapItem::shape() const
+{
+ const Frame &f = frames.at(currentFrame);
+ if (f.shape.isEmpty()) {
+ QPainterPath path;
+ path.addRegion(f.pixmap.createHeuristicMask());
+ const_cast<Frame &>(f).shape = path;
+ }
+ return f.shape;
+}
+
+void AnimatedPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/,
+ QWidget * /*widget*/)
+{
+ painter->drawPixmap(0, 0, frames.at(currentFrame).pixmap);
+}