[−][src]Function libpng_sys::ffi::png_set_progressive_read_fn
pub unsafe extern "C" fn png_set_progressive_read_fn(
png_ptr: &mut png_struct,
progressive_ptr: *mut c_void,
info_fn: png_progressive_info_ptr,
row_fn: png_progressive_row_ptr,
end_fn: png_progressive_end_ptr
)