[MSDN Library June 1998] GDI Halftoning Capabilities (20.8984064197868%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Graphics Drivers > Design Guide > Part 1: Graphics Drivers > Chapter 2 GDI Support for Graphics Drivers > GDI from the Driver's Perspective > GDI as a Rendering Engine