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Diffstat (limited to 'examples/widgets/animation/stickman/animation.cpp')
-rw-r--r-- | examples/widgets/animation/stickman/animation.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/examples/widgets/animation/stickman/animation.cpp b/examples/widgets/animation/stickman/animation.cpp new file mode 100644 index 0000000000..afdfae6eca --- /dev/null +++ b/examples/widgets/animation/stickman/animation.cpp @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "animation.h" + +#include <QPointF> +#include <QVector> +#include <QIODevice> +#include <QDataStream> + +class Frame +{ +public: + Frame() { + } + + int nodeCount() const + { + return m_nodePositions.size(); + } + + void setNodeCount(int nodeCount) + { + m_nodePositions.resize(nodeCount); + } + + QPointF nodePos(int idx) const + { + return m_nodePositions.at(idx); + } + + void setNodePos(int idx, const QPointF &pos) + { + m_nodePositions[idx] = pos; + } + +private: + QVector<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); + } +} |