Method read_image

src/python/py_imageinput.cpp:180–198

The read_image method is a bit different from the c++ interface. "function" is a function which takes a float, and the PyProgressCallback function is called automatically.

// "function" is a function which takes a float, and the 
// PyProgressCallback function is called automatically.
object
ImageInputWrap::read_image (TypeDesc format)
{
    // Allocate our own temp buffer and try to read the image into it.
    // If the read fails, return None.
    const ImageSpec &spec = m_input->spec();
    size_t size = (size_t) spec.image_pixels() * spec.nchannels * format.size();
    char *data = new char[size];
    if (!m_input->read_image(format, data)) {
        delete [] data;  // never mind
        return object(handle<>(Py_None));
    }

    object array = C_array_to_Python_array (data, format, size);

    // clean up and return the array handle
    delete [] data;
    return array;
}


object