Method read

quickstart/common/util.cpp:50–63

}

void ImageBase::read()
{
    std::ifstream infile(mPPM.filename, std::ifstream::binary);
    if (!infile.is_open())
    {
        std::cerr << "ERROR: cannot open PPM image file: " << mPPM.filename << std::endl;
    }
    infile >> mPPM.magic >> mPPM.w >> mPPM.h >> mPPM.max;

    infile.seekg(1, infile.cur);
    mPPM.buffer.resize(volume());
    infile.read(reinterpret_cast<char*>(mPPM.buffer.data()), volume());
    infile.close();
}

void ImageBase::write()
{