/*
* Fill an image using raw 32-bit data.
*
* Note: The new data buffer must be the same size (in bytes) as the
* original data buffer.
*
* Examples:
* RAW_DATA = other_image.data!
* image.put_data RAW_DATA
*
* RAW_DATA = other_image.data!
* image.data = RAW_DATA
*
*/
static VALUE image_put_data(VALUE self, VALUE str) {