open raw (panasonic rw2) files

run.cpp

#include <libraw/libraw.h>
#include <algorithm>
#include <fstream>
#include <iomanip>

void process_image(char *file) {
    LibRaw handler;
    handler.open_file(file);
    handler.unpack();

    std::ofstream out("out.txt");
    int width = handler.imgdata.sizes.raw_width,
        height = handler.imgdata.sizes.raw_height;
    for (int row = 0; row < height; ++row) {
        for (int col = 0; col < width; ++col) {
            int channel = handler.COLOR(row, col);
            
            out << handler.imgdata.idata.cdesc[channel]
                << std::setw(4) << std::setfill('0') 
                << handler.imgdata.rawdata.raw_image[row * width + col];
        }
        out << "EOL";
    }
    out.close();
}


int main(int argc, char *argv[]) {
    if (argc != 2) return 1;
    process_image(argv[1]);
}