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- /***************************************************************************/
- /* */
- /* ftbbox.h */
- /* */
- /* FreeType exact bbox computation (specification). */
- /* */
- /* Copyright 1996-2001 by */
- /* David Turner, Robert Wilhelm, and Werner Lemberg. */
- /* */
- /* This file is part of the FreeType project, and may only be used, */
- /* modified, and distributed under the terms of the FreeType project */
- /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
- /* this file you indicate that you have read the license and */
- /* understand and accept it fully. */
- /* */
- /***************************************************************************/
- /*************************************************************************/
- /* */
- /* This component has a _single_ role: to compute exact outline bounding */
- /* boxes. */
- /* */
- /* It is separated from the rest of the engine for various technical */
- /* reasons. It may well be integrated in `ftoutln' later. */
- /* */
- /*************************************************************************/
- #ifndef __FTBBOX_H__
- #define __FTBBOX_H__
- #include <ft2build.h>
- #include FT_FREETYPE_H
- FT_BEGIN_HEADER
- /*************************************************************************/
- /* */
- /* <Section> */
- /* outline_processing */
- /* */
- /*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FT_Outline_Get_BBox */
- /* */
- /* <Description> */
- /* Computes the exact bounding box of an outline. This is slower */
- /* than computing the control box. However, it uses an advanced */
- /* algorithm which returns _very_ quickly when the two boxes */
- /* coincide. Otherwise, the outline Bezier arcs are walked over to */
- /* extract their extrema. */
- /* */
- /* <Input> */
- /* outline :: A pointer to the source outline. */
- /* */
- /* <Output> */
- /* abbox :: The outline's exact bounding box. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_EXPORT( FT_Error )
- FT_Outline_Get_BBox( FT_Outline* outline,
- FT_BBox *abbox );
- /* */
- FT_END_HEADER
- #endif /* __FTBBOX_H__ */
- /* END */
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