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Side by Side Diff: third_party/freetype/include/ftadvanc.h

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Adjust GYP and GN Created 6 years ago
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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
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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