G_DIRECT</b></td><td>
<p>This flag is set to indicate direct rendering. In this mode, client applications must provide their own span callback. This lets them directly draw or compose over an existing bitmap. If this bit is not set, the target pixmap's buffer <i>must</i> be zeroed before rendering.</p>
<p>Note that for now, direct rendering is only possible with anti-aliased glyphs.</p>
</td></tr>
<tr valign=top><td><b>FT_RASTER_FLAG_CLIP</b></td><td>
<p>This flag is only used in direct rendering mode. If s