f="ft2-outline_processing.html#FT_Outline">FT_Outline</a>*  outline,
                       <a href="ft2-basic_types.html#FT_BBox">FT_BBox</a>     *abbox );

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<p>Compute the exact bounding box of an outline. This is slower than computing the control box. However, it uses an advanced algorithm which returns <i>very</i> quickly when the two boxes coincide. Otherwise, the outline Bézier arcs are traversed to extract their extrema.</p>
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