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gerrit-public.fairphone.software / platform / external / freetype / 90d9964ec9c6537a69dedbc29f0a6d277707dbcc / . / src / autohint / ahglyph.h
blob: 4a19104d4ec4d61aab6b956f204f3ee8f62f2f9b [file] [log] [blame]
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]1/***************************************************************************/
2/* */
3/* ahglyph.h */
4/* */
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]5/* Routines used to load and analyze a given glyph before hinting */
6/* (specification). */
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]7/* */
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]8/* Copyright 2000 Catharon Productions Inc. */
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]9/* Author: David Turner */
10/* */
11/* This file is part of the Catharon Typography Project and shall only */
12/* be used, modified, and distributed under the terms of the Catharon */
13/* Open Source License that should come with this file under the name */
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]14/* `CatharonLicense.txt'. By continuing to use, modify, or distribute */
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]15/* this file you indicate that you have read the license and */
16/* understand and accept it fully. */
17/* */
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]18/* Note that this license is compatible with the FreeType license. */
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]19/* */
20/***************************************************************************/
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]21
22
Werner Lemberg90d99642000-12-09 00:45:38 +0000[diff] [blame^]23#ifndef __AHGLYPH_H__
24#define __AHGLYPH_H__
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]25
Werner Lembergcc069be2000-12-08 16:17:16 +0000[diff] [blame]26
27#include <ft2build.h>
28#include FT_SOURCE_FILE(autohint,ahtypes.h)
29
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]30
David Turner19ed8af2000-12-08 02:42:29 +0000[diff] [blame]31FT_BEGIN_HEADER
Werner Lembergc713d922000-08-01 13:17:04 +0000[diff] [blame]32
Werner Lembergcc069be2000-12-08 16:17:16 +0000[diff] [blame]33
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]34 typedef enum AH_UV_
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]35 {
36 ah_uv_fxy,
37 ah_uv_fyx,
38 ah_uv_oxy,
39 ah_uv_oyx,
40 ah_uv_ox,
41 ah_uv_oy,
42 ah_uv_yx,
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]43 ah_uv_xy /* should always be last! */
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]44
45 } AH_UV;
46
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]47
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]48 FT_LOCAL
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]49 void ah_setup_uv( AH_Outline* outline,
50 AH_UV source );
51
52
53 /* AH_Outline functions - they should be typically called in this order */
54
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]55 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]56 FT_Error ah_outline_new( FT_Memory memory,
57 AH_Outline** aoutline );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]58
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]59 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]60 FT_Error ah_outline_load( AH_Outline* outline,
61 FT_Face face );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]62
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]63 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]64 void ah_outline_compute_segments( AH_Outline* outline );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]65
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]66 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]67 void ah_outline_link_segments( AH_Outline* outline );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]68
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]69 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]70 void ah_outline_detect_features( AH_Outline* outline );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]71
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]72 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]73 void ah_outline_compute_blue_edges( AH_Outline* outline,
74 AH_Face_Globals* globals );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]75
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]76 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]77 void ah_outline_scale_blue_edges( AH_Outline* outline,
78 AH_Face_Globals* globals );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]79
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]80 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]81 void ah_outline_save( AH_Outline* outline, AH_Loader* loader );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]82
David Turner76a5f622000-11-04 01:55:49 +0000[diff] [blame]83 FT_LOCAL
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]84 void ah_outline_done( AH_Outline* outline );
David Turner3469d0d2000-07-19 20:02:14 +0000[diff] [blame]85
Werner Lembergcc069be2000-12-08 16:17:16 +0000[diff] [blame]86
David Turner19ed8af2000-12-08 02:42:29 +0000[diff] [blame]87FT_END_HEADER
Werner Lembergc713d922000-08-01 13:17:04 +0000[diff] [blame]88
Werner Lemberg90d99642000-12-09 00:45:38 +0000[diff] [blame^]89#endif /* __AHGLYPH_H__ */
Werner Lemberg04563542000-07-24 06:01:34 +0000[diff] [blame]90
91
92/* END */