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// Copyright (C) 1999-2017
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#include <iostream>
#include <sstream>
#include <iomanip>
using namespace std;
#include "plio.h"
extern "C" {
int pl_l2pi(short *ll_src, int xs, int *px_dst, int npix);
}
template<class T> FitsPliom<T>::FitsPliom(FitsFile* fits)
: FitsCompressm<T>(fits)
{
FitsCompressm<T>::uncompress(fits);
}
template <class T> int FitsPliom<T>::compressed(T* dest, char* sptr,
char* heap,
int kkstart, int kkstop,
int jjstart, int jjstop,
int iistart, int iistop)
{
double zs = FitsCompressm<T>::bscale_;
if (FitsCompressm<T>::zscale_)
zs = FitsCompressm<T>::zscale_->value(sptr,0);
double zz = FitsCompressm<T>::bzero_;
if (FitsCompressm<T>::zzero_)
zz = FitsCompressm<T>::zzero_->value(sptr,0);
int blank = FitsCompressm<T>::blank_;
if (FitsCompressm<T>::zblank_)
blank = (int)FitsCompressm<T>::zblank_->value(sptr,0);
int icnt=0;
short* ibuf = (short*)((FitsBinColumnArray*)FitsCompressm<T>::compress_)->get(heap, sptr, &icnt);
// ibuf can be NULL
if (!ibuf || !icnt)
return 0;
// swap if needed
if (FitsCompressm<T>::byteswap_)
for (int ii=0; ii<icnt; ii++) {
const char* p = (const char*)(ibuf+ii);
union {
char c[2];
short s;
} u;
u.c[1] = *p++;
u.c[0] = *p;
*(ibuf+ii) = u.s;
}
int ocnt = FitsCompressm<T>::tilesize_;
int* obuf = new int[ocnt];
int cc = pl_l2pi(ibuf, 1, obuf, ocnt);
if (cc != ocnt) {
internalError("Fitsy++ plio error");
return 0;
}
int ll=0;
for (int kk=kkstart; kk<kkstop; kk++)
for (int jj=jjstart; jj<jjstop; jj++)
for (int ii=iistart; ii<iistop; ii++,ll++)
dest[kk*FitsCompressm<T>::width_*FitsCompressm<T>::height_ + jj*FitsCompressm<T>::width_ + ii] = FitsCompressm<T>::getValue(obuf+ll,zs,zz,blank);
if (obuf)
delete [] obuf;
return 1;
}
template class FitsPliom<unsigned char>;
template class FitsPliom<short>;
template class FitsPliom<unsigned short>;
template class FitsPliom<int>;
template class FitsPliom<long long>;
template class FitsPliom<float>;
template class FitsPliom<double>;
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