CPLErr VRTKernelFilteredSource::XMLInit( CPLXMLNode *psTree,
const char *pszVRTPath,
void* pUniqueHandle,
std::map<CPLString, GDALDataset*>& oMapSharedSources )
{
{
const CPLErr eErr = VRTFilteredSource::XMLInit( psTree, pszVRTPath,
pUniqueHandle,
oMapSharedSources );
if( eErr != CE_None )
return eErr;
}
const int nNewKernelSize = atoi(CPLGetXMLValue(psTree,"Kernel.Size","0"));
if( nNewKernelSize == 0 )
return CE_None;
char **papszCoefItems =
CSLTokenizeString( CPLGetXMLValue(psTree,"Kernel.Coefs","") );
const int nCoefs = CSLCount(papszCoefItems);
const bool bSquare = nCoefs == nNewKernelSize * nNewKernelSize;
const bool bSeparable = nCoefs == nNewKernelSize && nCoefs != 1;
if( !bSquare && !bSeparable )
{
CSLDestroy( papszCoefItems );
CPLError( CE_Failure, CPLE_AppDefined,
"Got wrong number of filter kernel coefficients (%s). "
"Expected %d or %d, got %d.",
CPLGetXMLValue(psTree,"Kernel.Coefs",""),
nNewKernelSize * nNewKernelSize, nNewKernelSize, nCoefs );
return CE_Failure;
}
double *padfNewCoefs = static_cast<double *>(
CPLMalloc( sizeof(double) * nCoefs ) );
for( int i = 0; i < nCoefs; i++ )
padfNewCoefs[i] = CPLAtof(papszCoefItems[i]);
const CPLErr eErr = SetKernel( nNewKernelSize, bSeparable, padfNewCoefs );
CPLFree( padfNewCoefs );
CSLDestroy( papszCoefItems );
SetNormalized( atoi(CPLGetXMLValue(psTree,"Kernel.normalized","0")) );
return eErr;
}
CPLErr VRTKernelFilteredSource::XMLInit( CPLXMLNode *psTree,
const char *pszVRTPath )
{
CPLErr eErr = VRTFilteredSource::XMLInit( psTree, pszVRTPath );
int nNewKernelSize, i, nCoefs;
double *padfNewCoefs;
if( eErr != CE_None )
return eErr;
nNewKernelSize = atoi(CPLGetXMLValue(psTree,"Kernel.Size","0"));
if( nNewKernelSize == 0 )
return CE_None;
char **papszCoefItems =
CSLTokenizeString( CPLGetXMLValue(psTree,"Kernel.Coefs","") );
nCoefs = CSLCount(papszCoefItems);
if( nCoefs != nNewKernelSize * nNewKernelSize )
{
CSLDestroy( papszCoefItems );
CPLError( CE_Failure, CPLE_AppDefined,
"Got wrong number of filter kernel coefficients (%s).\n"
"Expected %d, got %d.",
CPLGetXMLValue(psTree,"Kernel.Coefs",""),
nNewKernelSize * nNewKernelSize, nCoefs );
return CE_Failure;
}
padfNewCoefs = (double *) CPLMalloc(sizeof(double) * nCoefs);
for( i = 0; i < nCoefs; i++ )
padfNewCoefs[i] = CPLAtof(papszCoefItems[i]);
eErr = SetKernel( nNewKernelSize, padfNewCoefs );
CPLFree( padfNewCoefs );
CSLDestroy( papszCoefItems );
SetNormalized( atoi(CPLGetXMLValue(psTree,"Kernel.normalized","0")) );
return eErr;
}
