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#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);
}
}
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