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// Copyright (C) 1999-2016
// 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 "order.h"
FitsOrder::FitsOrder(FitsFile* fits, FitsHead* hdr, char* data, size_t sz)
{
head_ = hdr;
data_ = data;
dataSize_ = sz;
primary_ = fits->primary();
ext_ = fits->ext();
inherit_ = fits->inherit();
byteswap_ = fits->byteswap();
endian_ = fits->endian();
// just to make sure
head_->updateHDU();
valid_ = 1;
}
FitsOrder::~FitsOrder()
{
if (data_)
delete [] (char*)data_;
}
FitsOrderNext::FitsOrderNext(FitsFile* prev)
{
primary_ = prev->primary();
managePrimary_ = 0;
head_ = prev->head();
manageHead_ = 0;
FitsImageHDU* hdu = (FitsImageHDU*)head_->hdu();
data_ = (char*)prev->data() + hdu->imgbytes();
dataSize_ = 0;
dataSkip_ = 0;
ext_ = prev->ext();
inherit_ = prev->inherit();
byteswap_ = prev->byteswap();
endian_ = prev->endian();
valid_ = 1;
return;
}
/*
FitsOrder::FitsOrder(FitsFile* fits, int order)
{
FitsHead* src = fits->head();
width_ = src->naxis(0);
height_ = src->naxis(1);
depth_ = src->naxis(2);
if (width_<1)
width_ = 1;
if (height_<1)
height_ = 1;
if (depth_<1)
depth_=1;
size_ = (size_t)width_*height_*depth_;
primary_ = fits->primary();
ext_ = fits->ext();
inherit_ = fits->inherit();
byteswap_ = fits->byteswap();
endian_ = fits->endian();
bitpix_ = src->hdu()->bitpix();
switch (bitpix_) {
case 8:
if (!(data_ = new char[size_]))
return;
dataSize_ = size_*sizeof(char);
pixelSize_ = 1;
break;
case 16:
if (!(data_ = new short[size_]))
return;
dataSize_ = size_*sizeof(short);
pixelSize_ = 2;
break;
case -16:
if (!(data_ = new unsigned short[size_]))
return;
dataSize_ = size_*sizeof(unsigned short);
pixelSize_ = 2;
break;
case 32:
if (!(data_ = new int[size_]))
return;
dataSize_ = size_*sizeof(int);
pixelSize_ = 4;
break;
case -32:
if (!(data_ = new float[size_]))
return;
dataSize_ = size_*sizeof(float);
pixelSize_ = 4;
break;
case 64:
if (!(data_ = new long long[size_]))
return;
dataSize_ = size_*sizeof(long long);
pixelSize_ = 8;
break;
case -64:
if (!(data_ = new double[size_]))
return;
dataSize_ = size_*sizeof(double);
pixelSize_ = 8;
break;
}
dataSkip_ = 0;
memset(data_, 0, dataSize_);
initHeader(fits, order);
reorder(fits, order);
// made it this far, must be valid
valid_ = 1;
}
FitsOrder::~FitsOrder()
{
if (data_)
delete [] (char*)data_;
}
void FitsOrder::initHeader(FitsFile* fits, int order)
{
head_ = new FitsHead(*(fits->head()));
// NAXIS
int a1 = head_->getInteger("NAXIS1",1);
int a2 = head_->getInteger("NAXIS2",1);
int a3 = head_->getInteger("NAXIS3",1);
int n1,n2,n3;
switch (order) {
case 123:
n1=a1;
n2=a2;
n3=a3;
break;
case 132:
n1=a1;
n2=a3;
n3=a2;
break;
case 213:
n1=a2;
n2=a1;
n3=a3;
break;
case 231:
n1=a2;
n2=a3;
n3=a1;
break;
case 312:
n1=a3;
n2=a1;
n3=a2;
break;
case 321:
n1=a3;
n2=a2;
n3=a1;
break;
}
head_->setInteger("NAXES", 3, "");
head_->setInteger("NAXIS1", n1, "");
head_->setInteger("NAXIS2", n2, "");
head_->setInteger("NAXIS3", n3, "");
head_->updateHDU();
}
void FitsOrder::reorder(FitsFile* fits, int order)
{
char* src = (char*)fits->data();
char* dest = (char*)data_;
char* dptr = dest;
int s1 = pixelSize_;
int s2 = width_*pixelSize_;
int s3 = height_*width_*pixelSize_;
switch (order) {
case 123:
// should not be used, but just in case
memcpy(dest, src, dataSize_);
break;
case 132:
for (int jj=0; jj<height_; jj++) {
char* sptr =src+jj*s2;
for (int kk=0; kk<depth_; kk++) {
memcpy(dptr, sptr, s2);
dptr += s2;
sptr += s3;
}
}
break;
case 213:
for (int kk=0; kk<depth_; kk++) {
for (int ii=0; ii<width_; ii++) {
char* sptr =src+kk*s3+ii;
for (int jj=0; jj<height_; jj++) {
memcpy(dptr, sptr, s1);
dptr += s1;
sptr += s2;
}
}
}
break;
case 231:
for (int ii=0; ii<width_; ii++) {
for (int kk=0; kk<depth_; kk++) {
char* sptr =src+kk*s3+ii;
for (int jj=0; jj<height_; jj++) {
memcpy(dptr, sptr, s1);
dptr += s1;
sptr += s2;
}
}
}
break;
case 312:
for (int jj=0; jj<height_; jj++) {
for (int ii=0; ii<width_; ii++) {
char* sptr =src+jj*s2+ii;
for (int kk=0; kk<depth_; kk++) {
memcpy(dptr, sptr, s1);
dptr += s1;
sptr += s3;
}
}
}
break;
case 321:
for (int ii=0; ii<width_; ii++) {
for (int jj=0; jj<height_; jj++) {
char* sptr =src+jj*s2+ii;
for (int kk=0; kk<depth_; kk++) {
memcpy(dptr, sptr, s1);
dptr += s1;
sptr += s3;
}
}
}
break;
}
}
*/
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