bool ccObject::fromFile(QFile& in, short dataVersion, int flags)
{
assert(in.isOpen() && (in.openMode() & QIODevice::ReadOnly));
if (dataVersion<20)
return CorruptError();
//DGM: if we are here, we assume the class ID has already been read!
//Call ccObject::readClassIDFromFile if necessary
////class ID (dataVersion>=20)
//uint32_t classID = 0;
//if (in.read((char*)&classID,4) < 0)
// return ReadError();
//unique ID (dataVersion>=20)
//DGM: this ID will be usefull to recreate dynamic links between entities!
uint32_t uniqueID = 0;
if (in.read((char*)&uniqueID,4) < 0)
return ReadError();
m_uniqueID = (unsigned)uniqueID;
//name
if (dataVersion < 22) //old style
{
char name[256];
if (in.read(name,256) < 0)
return ReadError();
setName(name);
}
else //(dataVersion>=22)
{
QDataStream inStream(&in);
inStream >> m_name;
}
//flags (dataVersion>=20)
uint32_t objFlags = 0;
if (in.read((char*)&objFlags,4) < 0)
return ReadError();
m_flags = (unsigned)objFlags;
//meta data (dataVersion>=30)
if (dataVersion >= 30)
{
//count
uint32_t metaDataCount = 0;
if (in.read((char*)&metaDataCount,4) < 0)
return ReadError();
//"key + value" pairs
for (uint32_t i=0; i<metaDataCount; ++i)
{
QDataStream inStream(&in);
QString key;
QVariant value;
inStream >> key;
inStream >> value;
setMetaData(key,value);
}
}
bool ccGenericPointCloud::fromFile_MeOnly(QFile& in, short dataVersion)
{
if (!ccHObject::fromFile_MeOnly(in, dataVersion))
return false;
if (dataVersion<20)
return CorruptError();
//'coordinates shift' (dataVersion>=20)
if (in.read((char*)m_originalShift,sizeof(double)*3)<0)
return ReadError();
//'visibility' array (dataVersion>=20)
bool hasVisibilityArray = false;
if (in.read((char*)&hasVisibilityArray,sizeof(bool))<0)
return ReadError();
if (hasVisibilityArray)
{
if (!m_visibilityArray)
{
m_visibilityArray = new VisibilityTableType();
m_visibilityArray->link();
}
if (!ccSerializationHelper::GenericArrayFromFile(*m_visibilityArray,in,dataVersion))
{
unallocateVisibilityArray();
return false;
}
}
return true;
}
bool ccObject::fromFile(QFile& in, short dataVersion)
{
assert(in.isOpen() && (in.openMode() & QIODevice::ReadOnly));
if (dataVersion<20)
return CorruptError();
//DGM: if we are here, we assume the class ID has already been read!
//Call ccObject::readClassIDFromFile if necessary
////class ID (dataVersion>=20)
//uint32_t classID = 0;
//if (in.read((char*)&classID,4)<0)
// return ReadError();
//unique ID (dataVersion>=20)
//DGM: this ID will be usefull to recreate dynamic links between entities!
uint32_t uniqueID = 0;
if (in.read((char*)&uniqueID,4)<0)
return ReadError();
m_uniqueID = (unsigned)uniqueID;
//name (dataVersion>=20)
if (in.read(m_name,256)<0)
return ReadError();
//flags (dataVersion>=20)
uint32_t flags = 0;
if (in.read((char*)&flags,4)<0)
return ReadError();
m_flags = (unsigned)flags;
return true;
}
bool ccHObject::fromFile(QFile& in, short dataVersion)
{
assert(in.isOpen() && (in.openMode() & QIODevice::ReadOnly));
//read 'ccObject' header
if (!ccObject::fromFile(in,dataVersion))
return false;
//read own data
if (!fromFile_MeOnly(in,dataVersion))
return false;
//(serializable) child count (dataVersion>=20)
uint32_t serializableCount = 0;
if (in.read((char*)&serializableCount,4)<0)
return ReadError();
//read serializable children (if any)
for (uint32_t i=0; i<serializableCount; ++i)
{
//read children class ID
unsigned classID=0;
if (!ReadClassIDFromFile(classID, in, dataVersion))
return false;
//create corresponding child object
ccHObject* child = New(classID);
assert(child && child->isSerializable());
if (child)
{
if (child->fromFile(in,dataVersion))
{
addChild(child,child->getFlagState(CC_FATHER_DEPENDANT));
}
else
{
delete child;
return false;
}
}
else
{
return CorruptError();
}
}
//write current selection behavior (dataVersion>=23)
if (dataVersion>=23)
{
if (in.read((char*)&m_selectionBehavior,sizeof(SelectionBehavior))<0)
return ReadError();
}
else
{
m_selectionBehavior = SELECTION_AA_BBOX;
}
return true;
}
bool ccGenericPointCloud::fromFile_MeOnly(QFile& in, short dataVersion, int flags)
{
if (!ccHObject::fromFile_MeOnly(in, dataVersion, flags))
return false;
if (dataVersion < 20)
return CorruptError();
if (dataVersion < 33)
{
//'coordinates shift' (dataVersion>=20)
if (in.read((char*)m_globalShift.u,sizeof(double)*3) < 0)
return ReadError();
m_globalScale = 1.0;
}
else
{
//'global shift & scale' (dataVersion>=33)
if (!loadShiftInfoFromFile(in))
return ReadError();
}
//'visibility' array (dataVersion>=20)
bool hasVisibilityArray = false;
if (in.read((char*)&hasVisibilityArray,sizeof(bool)) < 0)
return ReadError();
if (hasVisibilityArray)
{
if (!m_pointsVisibility)
{
m_pointsVisibility = new VisibilityTableType();
m_pointsVisibility->link();
}
if (!ccSerializationHelper::GenericArrayFromFile(*m_pointsVisibility,in,dataVersion))
{
unallocateVisibilityArray();
return false;
}
}
//'point size' (dataVersion>=24)
if (dataVersion >= 24)
{
if (in.read((char*)&m_pointSize,1) < 0)
return WriteError();
}
else
{
m_pointSize = 0; //= follows default setting
}
return true;
}
bool ccGLMatrix::fromFile(QFile& in, short dataVersion)
{
assert(in.isOpen() && (in.openMode() & QIODevice::ReadOnly));
if (dataVersion<20)
return CorruptError();
//data (dataVersion>=20)
if (in.read((char*)m_mat,sizeof(float)*OPENGL_MATRIX_SIZE)<0)
return ReadError();
return true;
}
//=======================================================fromFile========================================================================//
bool ccIndexedTransformation::fromFile(QFile& in, short dataVersion, int flags)
{
if (!ccGLMatrix::fromFile(in, dataVersion, flags))
return false;
assert(in.isOpen() && (in.openMode() & QIODevice::ReadOnly));
if (dataVersion<34)
return CorruptError();
//index (dataVersion>=34)
if (in.read((char*)&m_index,sizeof(double)) < 0)
return ReadError();
return true;
}
bool ccHObject::fromFile(QFile& in, short dataVersion, int flags)
{
if (!fromFileNoChildren(in, dataVersion, flags))
return false;
//(serializable) child count (dataVersion>=20)
uint32_t serializableCount = 0;
if (in.read((char*)&serializableCount,4) < 0)
return ReadError();
//read serializable children (if any)
for (uint32_t i = 0; i < serializableCount; ++i)
{
//read children class ID
CC_CLASS_ENUM classID = ReadClassIDFromFile(in, dataVersion);
if (classID == CC_TYPES::OBJECT)
return false;
//create corresponding child object
ccHObject* child = New(classID);
//specifc case of custom objects (defined by plugins)
if (classID == CC_TYPES::CUSTOM_H_OBJECT)
{
//store current position
size_t originalFilePos = in.pos();
//we need to load the custom object as plain ccCustomHobject
child->fromFileNoChildren(in, dataVersion, flags);
//go back to original position
in.seek(originalFilePos);
//get custom object name and plugin name
QString childName = child->getName();
QString classId = child->getMetaData(ccCustomHObject::DefautMetaDataClassName()).toString();
QString pluginId = child->getMetaData(ccCustomHObject::DefautMetaDataPluginName()).toString();
//dont' need this instance anymore
delete child;
child = 0;
// try to get a new object from external factories
ccHObject* newChild = ccHObject::New(pluginId, classId);
if (newChild) // found a plugin that can deserialize it
{
child = newChild;
}
else
{
ccLog::Warning(QString("[ccHObject::fromFile] Couldn't found any plugin able to deserialize custom object '%1' (class_ID = %2 / plugin_ID = %3").arg(childName).arg(classID).arg(pluginId));
return false; // FIXME: for now simply return false. We may want to skip it but I'm not sure if there is a simple way of doing that
}
}
assert(child && child->isSerializable());
if (child)
{
if (child->fromFile(in, dataVersion, flags))
{
//FIXME
//addChild(child,child->getFlagState(CC_FATHER_DEPENDENT));
addChild(child);
}
else
{
//delete child; //we can't do this as the object might be invalid
return false;
}
}
else
{
return CorruptError();
}
}
//read the selection behavior (dataVersion>=23)
if (dataVersion >= 23)
{
if (in.read((char*)&m_selectionBehavior,sizeof(SelectionBehavior)) < 0)
return ReadError();
}
else
{
m_selectionBehavior = SELECTION_AA_BBOX;
}
//read transformation history (dataVersion >= 45)
if (dataVersion >= 45)
{
if (!m_glTransHistory.fromFile(in, dataVersion, flags))
{
return false;
}
}
return true;
}