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view libs/ft2static/freetype/ftbbox.h @ 1:e7ca128b8713

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looks nice :)
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 02 Feb 2014 00:35:22 +0200
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1 /***************************************************************************/
2 /* */
3 /* ftbbox.h */
4 /* */
5 /* FreeType exact bbox computation (specification). */
6 /* */
7 /* Copyright 1996-2001, 2003, 2007 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
15 /* */
16 /***************************************************************************/
17
18
19 /*************************************************************************/
20 /* */
21 /* This component has a _single_ role: to compute exact outline bounding */
22 /* boxes. */
23 /* */
24 /* It is separated from the rest of the engine for various technical */
25 /* reasons. It may well be integrated in `ftoutln' later. */
26 /* */
27 /*************************************************************************/
28
29
30 #ifndef __FTBBOX_H__
31 #define __FTBBOX_H__
32
33
34 #include <ft2build.h>
35 #include FT_FREETYPE_H
36
37 #ifdef FREETYPE_H
38 #error "freetype.h of FreeType 1 has been loaded!"
39 #error "Please fix the directory search order for header files"
40 #error "so that freetype.h of FreeType 2 is found first."
41 #endif
42
43
44 FT_BEGIN_HEADER
45
46
47 /*************************************************************************/
48 /* */
49 /* <Section> */
50 /* outline_processing */
51 /* */
52 /*************************************************************************/
53
54
55 /*************************************************************************/
56 /* */
57 /* <Function> */
58 /* FT_Outline_Get_BBox */
59 /* */
60 /* <Description> */
61 /* Compute the exact bounding box of an outline. This is slower */
62 /* than computing the control box. However, it uses an advanced */
63 /* algorithm which returns _very_ quickly when the two boxes */
64 /* coincide. Otherwise, the outline Bézier arcs are traversed to */
65 /* extract their extrema. */
66 /* */
67 /* <Input> */
68 /* outline :: A pointer to the source outline. */
69 /* */
70 /* <Output> */
71 /* abbox :: The outline's exact bounding box. */
72 /* */
73 /* <Return> */
74 /* FreeType error code. 0~means success. */
75 /* */
76 FT_EXPORT( FT_Error )
77 FT_Outline_Get_BBox( FT_Outline* outline,
78 FT_BBox *abbox );
79
80
81 /* */
82
83
84 FT_END_HEADER
85
86 #endif /* __FTBBOX_H__ */
87
88
89 /* END */
90
91
92 /* Local Variables: */
93 /* coding: utf-8 */
94 /* End: */