bool ccPolyline::fromFile_MeOnly(QFile& in, short dataVersion, int flags)
{
if (!ccHObject::fromFile_MeOnly(in, dataVersion, flags))
return false;
if (dataVersion<28)
return false;
//as the associated cloud (=vertices) can't be saved directly (as it may be shared by multiple polylines)
//we only store its unique ID (dataVersion>=28) --> we hope we will find it at loading time (i.e. this
//is the responsibility of the caller to make sure that all dependencies are saved together)
uint32_t vertUniqueID = 0;
if (in.read((char*)&vertUniqueID,4) < 0)
return ReadError();
//[DIRTY] WARNING: temporarily, we set the vertices unique ID in the 'm_associatedCloud' pointer!!!
*(uint32_t*)(&m_theAssociatedCloud) = vertUniqueID;
//number of points (references to) (dataVersion>=28)
uint32_t pointCount = 0;
if (in.read((char*)&pointCount,4) < 0)
return ReadError();
if (!reserve(pointCount))
return false;
//points (references to) (dataVersion>=28)
for (uint32_t i=0; i<pointCount; ++i)
{
uint32_t pointIndex = 0;
if (in.read((char*)&pointIndex,4) < 0)
return ReadError();
addPointIndex(pointIndex);
}
QDataStream inStream(&in);
//Closing state (dataVersion>=28)
inStream >> m_isClosed;
//RGB Color (dataVersion>=28)
inStream >> m_rgbColor[0];
inStream >> m_rgbColor[1];
inStream >> m_rgbColor[2];
//2D mode (dataVersion>=28)
inStream >> m_mode2D;
//Foreground mode (dataVersion>=28)
inStream >> m_foreground;
//Width of the line (dataVersion>=31)
if (dataVersion >= 31)
ccSerializationHelper::CoordsFromDataStream(inStream,flags,&m_width,1);
else
m_width = 0;
return true;
}
bool ccPolyline::initWith(ccPointCloud*& vertices, const ccPolyline& poly)
{
bool success = true;
if (!vertices)
{
ccPointCloud* cloud = dynamic_cast<ccPointCloud*>(poly.m_theAssociatedCloud);
ccPointCloud* clone = cloud ? cloud->partialClone(&poly) : ccPointCloud::From(&poly);
if (clone)
{
if (cloud)
clone->setName(cloud->getName()); //as 'partialClone' adds the '.extract' suffix by default
else
clone->setGLTransformationHistory(poly.getGLTransformationHistory());
}
else
{
//not enough memory?
ccLog::Warning("[ccPolyline::initWith] Not enough memory to duplicate vertices!");
success = false;
}
vertices = clone;
}
if (vertices)
{
setAssociatedCloud(vertices);
addChild(vertices);
//vertices->setEnabled(false);
assert(m_theAssociatedCloud);
if (m_theAssociatedCloud)
addPointIndex(0,m_theAssociatedCloud->size());
}
setClosed(poly.m_isClosed);
set2DMode(poly.m_mode2D);
setForeground(poly.m_foreground);
setVisible(poly.isVisible());
lockVisibility(poly.isVisiblityLocked());
setColor(poly.m_rgbColor);
setWidth(poly.m_width);
showColors(poly.colorsShown());
showVertices(poly.verticesShown());
setVertexMarkerWidth(poly.getVertexMarkerWidth());
setVisible(poly.isVisible());
showArrow(m_showArrow,m_arrowIndex,m_arrowLength);
setGlobalScale(poly.getGlobalScale());
setGlobalShift(poly.getGlobalShift());
setGLTransformationHistory(poly.getGLTransformationHistory());
setMetaData(poly.metaData());
return success;
}
ccPolyline::ccPolyline(const ccPolyline& poly)
: Polyline(ccPointCloud::From(poly.getAssociatedCloud()))
, ccHObject("Polyline")
{
assert(m_theAssociatedCloud);
if (m_theAssociatedCloud)
addPointIndex(0,m_theAssociatedCloud->size());
setClosingState(poly.m_isClosed);
set2DMode(poly.m_mode2D);
setForeground(poly.m_foreground);
setVisible(poly.isVisible());
lockVisibility(poly.isVisiblityLocked());
setColor(poly.m_rgbColor);
}
bool ccPolyline::initWith(ccPointCloud*& vertices, const ccPolyline& poly)
{
bool success = true;
if (!vertices)
{
ccPointCloud* cloud = dynamic_cast<ccPointCloud*>(poly.m_theAssociatedCloud);
ccPointCloud* clone = cloud ? cloud->partialClone(&poly) : ccPointCloud::From(&poly);
if (clone)
{
if (cloud)
clone->setName(cloud->getName()); //as 'partialClone' adds the '.extract' suffix by default
else
clone->setGLTransformationHistory(poly.getGLTransformationHistory());
}
else
{
//not enough memory?
ccLog::Warning("[ccPolyline::initWith] Not enough memory to duplicate vertices!");
success = false;
}
vertices = clone;
}
if (vertices)
{
setAssociatedCloud(vertices);
addChild(vertices);
//vertices->setEnabled(false);
assert(m_theAssociatedCloud);
if (m_theAssociatedCloud)
{
if (!addPointIndex(0, m_theAssociatedCloud->size()))
{
ccLog::Warning("[ccPolyline::initWith] Not enough memory");
success = false;
}
}
}
importParametersFrom(poly);
return success;
}
