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1 /***************************************************************************/ | |
2 /* */ | |
3 /* cf2glue.h */ | |
4 /* */ | |
5 /* Adobe's code for shared stuff (specification only). */ | |
6 /* */ | |
7 /* Copyright 2007-2013 Adobe Systems Incorporated. */ | |
8 /* */ | |
9 /* This software, and all works of authorship, whether in source or */ | |
10 /* object code form as indicated by the copyright notice(s) included */ | |
11 /* herein (collectively, the "Work") is made available, and may only be */ | |
12 /* used, modified, and distributed under the FreeType Project License, */ | |
13 /* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ | |
14 /* FreeType Project License, each contributor to the Work hereby grants */ | |
15 /* to any individual or legal entity exercising permissions granted by */ | |
16 /* the FreeType Project License and this section (hereafter, "You" or */ | |
17 /* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ | |
18 /* royalty-free, irrevocable (except as stated in this section) patent */ | |
19 /* license to make, have made, use, offer to sell, sell, import, and */ | |
20 /* otherwise transfer the Work, where such license applies only to those */ | |
21 /* patent claims licensable by such contributor that are necessarily */ | |
22 /* infringed by their contribution(s) alone or by combination of their */ | |
23 /* contribution(s) with the Work to which such contribution(s) was */ | |
24 /* submitted. If You institute patent litigation against any entity */ | |
25 /* (including a cross-claim or counterclaim in a lawsuit) alleging that */ | |
26 /* the Work or a contribution incorporated within the Work constitutes */ | |
27 /* direct or contributory patent infringement, then any patent licenses */ | |
28 /* granted to You under this License for that Work shall terminate as of */ | |
29 /* the date such litigation is filed. */ | |
30 /* */ | |
31 /* By using, modifying, or distributing the Work you indicate that you */ | |
32 /* have read and understood the terms and conditions of the */ | |
33 /* FreeType Project License as well as those provided in this section, */ | |
34 /* and you accept them fully. */ | |
35 /* */ | |
36 /***************************************************************************/ | |
37 | |
38 | |
39 #ifndef __CF2GLUE_H__ | |
40 #define __CF2GLUE_H__ | |
41 | |
42 | |
43 /* common includes for other modules */ | |
44 #include "cf2error.h" | |
45 #include "cf2fixed.h" | |
46 #include "cf2arrst.h" | |
47 #include "cf2read.h" | |
48 | |
49 | |
50 FT_BEGIN_HEADER | |
51 | |
52 | |
53 /* rendering parameters */ | |
54 | |
55 /* apply hints to rendered glyphs */ | |
56 #define CF2_FlagsHinted 1 | |
57 /* for testing */ | |
58 #define CF2_FlagsDarkened 2 | |
59 | |
60 /* type for holding the flags */ | |
61 typedef CF2_Int CF2_RenderingFlags; | |
62 | |
63 | |
64 /* elements of a glyph outline */ | |
65 typedef enum CF2_PathOp_ | |
66 { | |
67 CF2_PathOpMoveTo = 1, /* change the current point */ | |
68 CF2_PathOpLineTo = 2, /* line */ | |
69 CF2_PathOpQuadTo = 3, /* quadratic curve */ | |
70 CF2_PathOpCubeTo = 4 /* cubic curve */ | |
71 | |
72 } CF2_PathOp; | |
73 | |
74 | |
75 /* a matrix of fixed point values */ | |
76 typedef struct CF2_Matrix_ | |
77 { | |
78 CF2_F16Dot16 a; | |
79 CF2_F16Dot16 b; | |
80 CF2_F16Dot16 c; | |
81 CF2_F16Dot16 d; | |
82 CF2_F16Dot16 tx; | |
83 CF2_F16Dot16 ty; | |
84 | |
85 } CF2_Matrix; | |
86 | |
87 | |
88 /* these typedefs are needed by more than one header file */ | |
89 /* and gcc compiler doesn't allow redefinition */ | |
90 typedef struct CF2_FontRec_ CF2_FontRec, *CF2_Font; | |
91 typedef struct CF2_HintRec_ CF2_HintRec, *CF2_Hint; | |
92 | |
93 | |
94 /* A common structure for all callback parameters. */ | |
95 /* */ | |
96 /* Some members may be unused. For example, `pt0' is not used for */ | |
97 /* `moveTo' and `pt3' is not used for `quadTo'. The initial point `pt0' */ | |
98 /* is included for each path element for generality; curve conversions */ | |
99 /* need it. The `op' parameter allows one function to handle multiple */ | |
100 /* element types. */ | |
101 | |
102 typedef struct CF2_CallbackParamsRec_ | |
103 { | |
104 FT_Vector pt0; | |
105 FT_Vector pt1; | |
106 FT_Vector pt2; | |
107 FT_Vector pt3; | |
108 | |
109 CF2_Int op; | |
110 | |
111 } CF2_CallbackParamsRec, *CF2_CallbackParams; | |
112 | |
113 | |
114 /* forward reference */ | |
115 typedef struct CF2_OutlineCallbacksRec_ CF2_OutlineCallbacksRec, | |
116 *CF2_OutlineCallbacks; | |
117 | |
118 /* callback function pointers */ | |
119 typedef void | |
120 (*CF2_Callback_Type)( CF2_OutlineCallbacks callbacks, | |
121 const CF2_CallbackParams params ); | |
122 | |
123 | |
124 struct CF2_OutlineCallbacksRec_ | |
125 { | |
126 CF2_Callback_Type moveTo; | |
127 CF2_Callback_Type lineTo; | |
128 CF2_Callback_Type quadTo; | |
129 CF2_Callback_Type cubeTo; | |
130 | |
131 CF2_Int windingMomentum; /* for winding order detection */ | |
132 | |
133 FT_Memory memory; | |
134 FT_Error* error; | |
135 }; | |
136 | |
137 | |
138 FT_END_HEADER | |
139 | |
140 | |
141 #endif /* __CF2GLUE_H__ */ | |
142 | |
143 | |
144 /* END */ | |
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