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//##########################################################################
//# #
//# CLOUDCOMPARE #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU General Public License as published by #
//# the Free Software Foundation; version 2 or later of the License. #
//# #
//# This program is distributed in the hope that it will be useful, #
//# but WITHOUT ANY WARRANTY; without even the implied warranty of #
//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
//# GNU General Public License for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#include "ccAdvancedTypes.h"
bool NormsIndexesTableType::fromFile_MeOnly(QFile& in, short dataVersion, int flags)
{
if (dataVersion < 41)
{
//in previous versions (< 41) the normals were compressed on 15 bytes (2*6+3) as unsigned short
static const unsigned OLD_QUANTIZE_LEVEL = 6;
ccArray<unsigned short, 1, unsigned short>* oldNormals = new ccArray<unsigned short, 1, unsigned short>();
if (!ccSerializationHelper::GenericArrayFromFile<unsigned short, 1, unsigned short>(*oldNormals, in, dataVersion))
{
oldNormals->release();
return false;
}
bool success = false;
try
{
resize(oldNormals->size());
}
catch (const std::bad_alloc&)
{
oldNormals->release();
return false;
}
//convert old normals to new ones
for (size_t i = 0; i < oldNormals->size(); ++i)
{
CCVector3 N;
//decompress (with the old parameters)
{
unsigned short n = oldNormals->at(i);
ccNormalCompressor::Decompress(n, N.u, OLD_QUANTIZE_LEVEL);
}
//and recompress
CompressedNormType index = static_cast<CompressedNormType>(ccNormalCompressor::Compress(N.u));
at(i) = index;
}
oldNormals->release();
return true;
}
else
{
return ccSerializationHelper::GenericArrayFromFile<CompressedNormType, 1, CompressedNormType>(*this, in, dataVersion);
}
}
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