1 | /**************************************************************************** |
2 | * |
3 | * psglue.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 |
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15 | * to any individual or legal entity exercising permissions granted by |
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18 | * royalty-free, irrevocable (except as stated in this section) patent |
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35 | * |
36 | */ |
37 | |
38 | |
39 | #ifndef PSGLUE_H_ |
40 | #define PSGLUE_H_ |
41 | |
42 | |
43 | /* common includes for other modules */ |
44 | #include "pserror.h" |
45 | #include "psfixed.h" |
46 | #include "psarrst.h" |
47 | #include "psread.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 /* PSGLUE_H_ */ |
142 | |
143 | |
144 | /* END */ |
145 | |