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1 /***************************************************************************/ | 1 /***************************************************************************/ |
2 /* */ | 2 /* */ |
3 /* ftadvanc.h */ | 3 /* ftadvanc.h */ |
4 /* */ | 4 /* */ |
5 /* Quick computation of advance widths (specification only). */ | 5 /* Quick computation of advance widths (specification only). */ |
6 /* */ | 6 /* */ |
7 /* Copyright 2008, 2013 by */ | 7 /* Copyright 2008, 2013, 2014 by */ |
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
9 /* */ | 9 /* */ |
10 /* This file is part of the FreeType project, and may only be used, */ | 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 */ | 11 /* modified, and distributed under the terms of the FreeType project */ |
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
13 /* this file you indicate that you have read the license and */ | 13 /* this file you indicate that you have read the license and */ |
14 /* understand and accept it fully. */ | 14 /* understand and accept it fully. */ |
15 /* */ | 15 /* */ |
16 /***************************************************************************/ | 16 /***************************************************************************/ |
17 | 17 |
18 | 18 |
19 #ifndef __FTADVANC_H__ | 19 #ifndef __FTADVANC_H__ |
20 #define __FTADVANC_H__ | 20 #define __FTADVANC_H__ |
21 | 21 |
22 | 22 |
23 #include "../ft2build.h" | 23 #include <ft2build.h> |
24 #include "freetype.h" | 24 #include FT_FREETYPE_H |
25 | 25 |
26 #ifdef FREETYPE_H | 26 #ifdef FREETYPE_H |
27 #error "freetype.h of FreeType 1 has been loaded!" | 27 #error "freetype.h of FreeType 1 has been loaded!" |
28 #error "Please fix the directory search order for header files" | 28 #error "Please fix the directory search order for header files" |
29 #error "so that freetype.h of FreeType 2 is found first." | 29 #error "so that freetype.h of FreeType 2 is found first." |
30 #endif | 30 #endif |
31 | 31 |
32 | 32 |
33 FT_BEGIN_HEADER | 33 FT_BEGIN_HEADER |
34 | 34 |
35 | 35 |
36 /************************************************************************** | 36 /************************************************************************** |
37 * | 37 * |
38 * @section: | 38 * @section: |
39 * quick_advance | 39 * quick_advance |
40 * | 40 * |
41 * @title: | 41 * @title: |
42 * Quick retrieval of advance values | 42 * Quick retrieval of advance values |
43 * | 43 * |
44 * @abstract: | 44 * @abstract: |
45 * Retrieve horizontal and vertical advance values without processing | 45 * Retrieve horizontal and vertical advance values without processing |
46 * glyph outlines, if possible. | 46 * glyph outlines, if possible. |
47 * | 47 * |
48 * @description: | 48 * @description: |
49 * This section contains functions to quickly extract advance values | 49 * This section contains functions to quickly extract advance values |
50 * without handling glyph outlines, if possible. | 50 * without handling glyph outlines, if possible. |
| 51 * |
| 52 * @order: |
| 53 * FT_Get_Advance |
| 54 * FT_Get_Advances |
| 55 * |
51 */ | 56 */ |
52 | 57 |
53 | 58 |
54 /*************************************************************************/ | 59 /*************************************************************************/ |
55 /* */ | 60 /* */ |
56 /* <Const> */ | 61 /* <Const> */ |
57 /* FT_ADVANCE_FLAG_FAST_ONLY */ | 62 /* FT_ADVANCE_FLAG_FAST_ONLY */ |
58 /* */ | 63 /* */ |
59 /* <Description> */ | 64 /* <Description> */ |
60 /* A bit-flag to be OR-ed with the `flags' parameter of the */ | 65 /* A bit-flag to be OR-ed with the `flags' parameter of the */ |
61 /* @FT_Get_Advance and @FT_Get_Advances functions. */ | 66 /* @FT_Get_Advance and @FT_Get_Advances functions. */ |
62 /* */ | 67 /* */ |
63 /* If set, it indicates that you want these functions to fail if the */ | 68 /* If set, it indicates that you want these functions to fail if the */ |
64 /* corresponding hinting mode or font driver doesn't allow for very */ | 69 /* corresponding hinting mode or font driver doesn't allow for very */ |
65 /* quick advance computation. */ | 70 /* quick advance computation. */ |
66 /* */ | 71 /* */ |
67 /* Typically, glyphs which are either unscaled, unhinted, bitmapped, */ | 72 /* Typically, glyphs that are either unscaled, unhinted, bitmapped, */ |
68 /* or light-hinted can have their advance width computed very */ | 73 /* or light-hinted can have their advance width computed very */ |
69 /* quickly. */ | 74 /* quickly. */ |
70 /* */ | 75 /* */ |
71 /* Normal and bytecode hinted modes, which require loading, scaling, */ | 76 /* Normal and bytecode hinted modes that require loading, scaling, */ |
72 /* and hinting of the glyph outline, are extremely slow by */ | 77 /* and hinting of the glyph outline, are extremely slow by */ |
73 /* comparison. */ | 78 /* comparison. */ |
74 /* */ | 79 /* */ |
75 #define FT_ADVANCE_FLAG_FAST_ONLY 0x20000000UL | 80 #define FT_ADVANCE_FLAG_FAST_ONLY 0x20000000UL |
76 | 81 |
77 | 82 |
78 /*************************************************************************/ | 83 /*************************************************************************/ |
79 /* */ | 84 /* */ |
80 /* <Function> */ | 85 /* <Function> */ |
81 /* FT_Get_Advance */ | 86 /* FT_Get_Advance */ |
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
164 /* transformed by the affine transformation specified by */ | 169 /* transformed by the affine transformation specified by */ |
165 /* @FT_Set_Transform. */ | 170 /* @FT_Set_Transform. */ |
166 /* */ | 171 /* */ |
167 FT_EXPORT( FT_Error ) | 172 FT_EXPORT( FT_Error ) |
168 FT_Get_Advances( FT_Face face, | 173 FT_Get_Advances( FT_Face face, |
169 FT_UInt start, | 174 FT_UInt start, |
170 FT_UInt count, | 175 FT_UInt count, |
171 FT_Int32 load_flags, | 176 FT_Int32 load_flags, |
172 FT_Fixed *padvances ); | 177 FT_Fixed *padvances ); |
173 | 178 |
174 /* */ | 179 /* */ |
175 | 180 |
176 | 181 |
177 FT_END_HEADER | 182 FT_END_HEADER |
178 | 183 |
179 #endif /* __FTADVANC_H__ */ | 184 #endif /* __FTADVANC_H__ */ |
180 | 185 |
181 | 186 |
182 /* END */ | 187 /* END */ |
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