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Diffstat (limited to 'examples/animation/stickman/animation.cpp')
-rw-r--r-- | examples/animation/stickman/animation.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/examples/animation/stickman/animation.cpp b/examples/animation/stickman/animation.cpp new file mode 100644 index 0000000..c2c6bd1 --- /dev/null +++ b/examples/animation/stickman/animation.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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 "animation.h" + +#include <QPointF> +#include <QIODevice> +#include <QDataStream> + +class Frame +{ +public: + Frame() { + } + + int nodeCount() const + { + return m_nodePositions.size(); + } + + void setNodeCount(int nodeCount) + { + while (nodeCount > m_nodePositions.size()) + m_nodePositions.append(QPointF()); + + while (nodeCount < m_nodePositions.size()) + m_nodePositions.removeLast(); + } + + QPointF nodePos(int idx) const + { + return m_nodePositions.at(idx); + } + + void setNodePos(int idx, const QPointF &pos) + { + m_nodePositions[idx] = pos; + } + +private: + QList<QPointF> m_nodePositions; +}; + +Animation::Animation() +{ + m_currentFrame = 0; + m_frames.append(new Frame); +} + +Animation::~Animation() +{ + qDeleteAll(m_frames); +} + +void Animation::setTotalFrames(int totalFrames) +{ + while (m_frames.size() < totalFrames) + m_frames.append(new Frame); + + while (totalFrames < m_frames.size()) + delete m_frames.takeLast(); +} + +int Animation::totalFrames() const +{ + return m_frames.size(); +} + +void Animation::setCurrentFrame(int currentFrame) +{ + m_currentFrame = qMax(qMin(currentFrame, totalFrames()-1), 0); +} + +int Animation::currentFrame() const +{ + return m_currentFrame; +} + +void Animation::setNodeCount(int nodeCount) +{ + Frame *frame = m_frames.at(m_currentFrame); + frame->setNodeCount(nodeCount); +} + +int Animation::nodeCount() const +{ + Frame *frame = m_frames.at(m_currentFrame); + return frame->nodeCount(); +} + +void Animation::setNodePos(int idx, const QPointF &pos) +{ + Frame *frame = m_frames.at(m_currentFrame); + frame->setNodePos(idx, pos); +} + +QPointF Animation::nodePos(int idx) const +{ + Frame *frame = m_frames.at(m_currentFrame); + return frame->nodePos(idx); +} + +QString Animation::name() const +{ + return m_name; +} + +void Animation::setName(const QString &name) +{ + m_name = name; +} + +void Animation::save(QIODevice *device) const +{ + QDataStream stream(device); + stream << m_name; + stream << m_frames.size(); + foreach (Frame *frame, m_frames) { + stream << frame->nodeCount(); + for (int i=0; i<frame->nodeCount(); ++i) + stream << frame->nodePos(i); + } +} + +void Animation::load(QIODevice *device) +{ + if (!m_frames.isEmpty()) + qDeleteAll(m_frames); + + m_frames.clear(); + + QDataStream stream(device); + stream >> m_name; + + int frameCount; + stream >> frameCount; + + for (int i=0; i<frameCount; ++i) { + + int nodeCount; + stream >> nodeCount; + + Frame *frame = new Frame; + frame->setNodeCount(nodeCount); + + for (int j=0; j<nodeCount; ++j) { + QPointF pos; + stream >> pos; + + frame->setNodePos(j, pos); + } + + m_frames.append(frame); + } +} |