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author | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 14:06:06 (GMT) |
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committer | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 14:06:06 (GMT) |
commit | f15b8a83e2e51955776a3f07cb85ebfc342dd8ef (patch) | |
tree | c5dc684986051654898db11ce73e03b9fec8db99 /examples/graphicsview/portedasteroids/animateditem.cpp | |
download | Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.zip Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.gz Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.bz2 |
Initial import of statemachine branch from the old kinetic repository
Diffstat (limited to 'examples/graphicsview/portedasteroids/animateditem.cpp')
-rw-r--r-- | examples/graphicsview/portedasteroids/animateditem.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/examples/graphicsview/portedasteroids/animateditem.cpp b/examples/graphicsview/portedasteroids/animateditem.cpp new file mode 100644 index 0000000..ac41fb5 --- /dev/null +++ b/examples/graphicsview/portedasteroids/animateditem.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** 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); +} |