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annotate libs/ft2static/freetype/ftbbox.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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nuclear@0 1 /***************************************************************************/
nuclear@0 2 /* */
nuclear@0 3 /* ftbbox.h */
nuclear@0 4 /* */
nuclear@0 5 /* FreeType exact bbox computation (specification). */
nuclear@0 6 /* */
nuclear@0 7 /* Copyright 1996-2001, 2003, 2007 by */
nuclear@0 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
nuclear@0 9 /* */
nuclear@0 10 /* This file is part of the FreeType project, and may only be used, */
nuclear@0 11 /* modified, and distributed under the terms of the FreeType project */
nuclear@0 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
nuclear@0 13 /* this file you indicate that you have read the license and */
nuclear@0 14 /* understand and accept it fully. */
nuclear@0 15 /* */
nuclear@0 16 /***************************************************************************/
nuclear@0 17
nuclear@0 18
nuclear@0 19 /*************************************************************************/
nuclear@0 20 /* */
nuclear@0 21 /* This component has a _single_ role: to compute exact outline bounding */
nuclear@0 22 /* boxes. */
nuclear@0 23 /* */
nuclear@0 24 /* It is separated from the rest of the engine for various technical */
nuclear@0 25 /* reasons. It may well be integrated in `ftoutln' later. */
nuclear@0 26 /* */
nuclear@0 27 /*************************************************************************/
nuclear@0 28
nuclear@0 29
nuclear@0 30 #ifndef __FTBBOX_H__
nuclear@0 31 #define __FTBBOX_H__
nuclear@0 32
nuclear@0 33
nuclear@0 34 #include <ft2build.h>
nuclear@0 35 #include FT_FREETYPE_H
nuclear@0 36
nuclear@0 37 #ifdef FREETYPE_H
nuclear@0 38 #error "freetype.h of FreeType 1 has been loaded!"
nuclear@0 39 #error "Please fix the directory search order for header files"
nuclear@0 40 #error "so that freetype.h of FreeType 2 is found first."
nuclear@0 41 #endif
nuclear@0 42
nuclear@0 43
nuclear@0 44 FT_BEGIN_HEADER
nuclear@0 45
nuclear@0 46
nuclear@0 47 /*************************************************************************/
nuclear@0 48 /* */
nuclear@0 49 /* <Section> */
nuclear@0 50 /* outline_processing */
nuclear@0 51 /* */
nuclear@0 52 /*************************************************************************/
nuclear@0 53
nuclear@0 54
nuclear@0 55 /*************************************************************************/
nuclear@0 56 /* */
nuclear@0 57 /* <Function> */
nuclear@0 58 /* FT_Outline_Get_BBox */
nuclear@0 59 /* */
nuclear@0 60 /* <Description> */
nuclear@0 61 /* Compute the exact bounding box of an outline. This is slower */
nuclear@0 62 /* than computing the control box. However, it uses an advanced */
nuclear@0 63 /* algorithm which returns _very_ quickly when the two boxes */
nuclear@0 64 /* coincide. Otherwise, the outline Bézier arcs are traversed to */
nuclear@0 65 /* extract their extrema. */
nuclear@0 66 /* */
nuclear@0 67 /* <Input> */
nuclear@0 68 /* outline :: A pointer to the source outline. */
nuclear@0 69 /* */
nuclear@0 70 /* <Output> */
nuclear@0 71 /* abbox :: The outline's exact bounding box. */
nuclear@0 72 /* */
nuclear@0 73 /* <Return> */
nuclear@0 74 /* FreeType error code. 0~means success. */
nuclear@0 75 /* */
nuclear@0 76 FT_EXPORT( FT_Error )
nuclear@0 77 FT_Outline_Get_BBox( FT_Outline* outline,
nuclear@0 78 FT_BBox *abbox );
nuclear@0 79
nuclear@0 80
nuclear@0 81 /* */
nuclear@0 82
nuclear@0 83
nuclear@0 84 FT_END_HEADER
nuclear@0 85
nuclear@0 86 #endif /* __FTBBOX_H__ */
nuclear@0 87
nuclear@0 88
nuclear@0 89 /* END */
nuclear@0 90
nuclear@0 91
nuclear@0 92 /* Local Variables: */
nuclear@0 93 /* coding: utf-8 */
nuclear@0 94 /* End: */