Function graphicsmagick_sys::AcquireCacheViewPixels

pub unsafe extern "C" fn AcquireCacheViewPixels(
    view: *const ViewInfo, 
    x: c_long, 
    y: c_long, 
    columns: c_ulong, 
    rows: c_ulong, 
    exception: *mut ExceptionInfo
) -> *const PixelPacket