Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4680 | right-hear | 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 |
||
| 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 | /* |
||
| 50 | /* outline_processing */ |
||
| 51 | /* */ |
||
| 52 | /*************************************************************************/ |
||
| 53 | |||
| 54 | |||
| 55 | /*************************************************************************/ |
||
| 56 | /* */ |
||
| 57 | /* |
||
| 58 | /* FT_Outline_Get_BBox */ |
||
| 59 | /* */ |
||
| 60 | /* |
||
| 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 | /* */ |
||
| 68 | /* outline :: A pointer to the source outline. */ |
||
| 69 | /* */ |
||
| 70 | /* |
||
| 71 | /* abbox :: The outline's exact bounding box. */ |
||
| 72 | /* */ |
||
| 73 | /* |
||
| 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: */ |