<p> <img class="alignnone size-full" src="images/gdi-pattern.png" alt="" width="640" height="480" /> </p> <p> This test draws various patterns using Windows GDI functions. It displays text, lines, beziers, polygons, rectangles, gradients, and bitmaps.<br/>The gradients in this test, unlike the color palette test, are drawn dithered, resulting in greater smoothness. </p>