//
// Created by jamie on 8/23/21.
//

#include "EXRFiles.h"
#include <tinyexr.h>
#include "locate.h"

namespace camp
{
using std::cout;
using std::cerr;
using std::endl;

IEXRFile::IEXRFile(const string& File)
{
 char const* err;
 int ret;
 string file=settings::locateFile(File);
 string image=settings::getSetting<string>("image");
 if(file.empty()) {
   cerr << "EXR file not found: " << File << endl
        << "Precomputed image directories like ibl/" << image << " can be "
        << "downloaded into the Asymptote search path like this:"
        << endl << endl
        << "wget -q --show-progress -nH -np -r --cut-dirs=1 "
        << settings::getSetting<string>("imageURL") << "/refl.exr" << endl
        << "wget -q --show-progress -nH -np -r --cut-dirs=1 "
        << settings::getSetting<string>("imageURL") << "/" << image
        << endl;
   exit(-1);
 }
 const char *filename=file.c_str();
 if((ret=LoadEXR(&data,&width,&height,filename,&err)) != TINYEXR_SUCCESS)
   {
     cerr << "TinyEXR Error: " << err << " " << filename << endl;
     FreeEXRErrorMessage(err);
     exit(-1);
   }
}

IEXRFile::~IEXRFile()
{
 if(data) {
   free(data);
   data=nullptr;
 }
}

}