projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| cabec872 RR |
1 | /***************************************************************************/ |
| 2 | /* */ | |
| 3 | /* ftmm.c */ | |
| 4 | /* */ | |
| 5 | /* Multiple Master font support (body). */ | |
| 6 | /* */ | |
| 7 | /* Copyright 1996-2000 by */ | |
| 8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | |
| 9 | /* */ | |
| 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 */ | |
| 12 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | |
| 13 | /* this file you indicate that you have read the license and */ | |
| 14 | /* understand and accept it fully. */ | |
| 15 | /* */ | |
| 16 | /***************************************************************************/ | |
| 17 | ||
| 18 | ||
| 19 | #include <freetype/ftmm.h> | |
| 20 | #include <freetype/internal/ftobjs.h> | |
| 21 | ||
| 22 | ||
| 23 | /*************************************************************************/ | |
| 24 | /* */ | |
| 25 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ | |
| 26 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ | |
| 27 | /* messages during execution. */ | |
| 28 | /* */ | |
| 29 | #undef FT_COMPONENT | |
| 30 | #define FT_COMPONENT trace_mm | |
| 31 | ||
| 32 | ||
| 33 | /*************************************************************************/ | |
| 34 | /* */ | |
| 35 | /* <Function> */ | |
| 36 | /* FT_Get_Multi_Master */ | |
| 37 | /* */ | |
| 38 | /* <Description> */ | |
| 39 | /* Retrieves the Multiple Master descriptor of a given font. */ | |
| 40 | /* */ | |
| 41 | /* <Input> */ | |
| 42 | /* face :: A handle to the source face. */ | |
| 43 | /* */ | |
| 44 | /* <Output> */ | |
| 45 | /* master :: The Multiple Masters descriptor. */ | |
| 46 | /* */ | |
| 47 | /* <Return> */ | |
| 48 | /* FreeType error code. 0 means success. */ | |
| 49 | /* */ | |
| 50 | FT_EXPORT_FUNC( FT_Error ) FT_Get_Multi_Master( FT_Face face, | |
| 51 | FT_Multi_Master* master ) | |
| 52 | { | |
| 53 | FT_Error error; | |
| 54 | ||
| 55 | ||
| 56 | if ( !face ) | |
| 57 | return FT_Err_Invalid_Face_Handle; | |
| 58 | ||
| 59 | error = FT_Err_Invalid_Argument; | |
| 60 | ||
| 61 | if ( FT_HAS_MULTIPLE_MASTERS( face ) ) | |
| 62 | { | |
| 63 | FT_Driver driver = face->driver; | |
| 64 | FT_Get_MM_Func func; | |
| 65 | ||
| 66 | ||
| 67 | func = (FT_Get_MM_Func)driver->root.clazz->get_interface( | |
| 68 | FT_MODULE( driver ), "get_mm" ); | |
| 69 | if ( func ) | |
| 70 | error = func( face, master ); | |
| 71 | } | |
| 72 | ||
| 73 | return error; | |
| 74 | } | |
| 75 | ||
| 76 | ||
| 77 | /*************************************************************************/ | |
| 78 | /* */ | |
| 79 | /* <Function> */ | |
| 80 | /* FT_Set_MM_Design_Coordinates */ | |
| 81 | /* */ | |
| 82 | /* <Description> */ | |
| 83 | /* For Multiple Masters fonts, choose an interpolated font design */ | |
| 84 | /* through design coordinates. */ | |
| 85 | /* */ | |
| 86 | /* <Input> */ | |
| 87 | /* face :: A handle to the source face. */ | |
| 88 | /* */ | |
| 89 | /* num_coords :: The number of design coordinates (must be equal to */ | |
| 90 | /* the number of axes in the font). */ | |
| 91 | /* */ | |
| 92 | /* coords :: The design coordinates. */ | |
| 93 | /* */ | |
| 94 | /* <Return> */ | |
| 95 | /* FreeType error code. 0 means success. */ | |
| 96 | /* */ | |
| 97 | FT_EXPORT_FUNC( FT_Error ) FT_Set_MM_Design_Coordinates( | |
| 98 | FT_Face face, | |
| 99 | FT_UInt num_coords, | |
| 100 | FT_Long* coords ) | |
| 101 | { | |
| 102 | FT_Error error; | |
| 103 | ||
| 104 | ||
| 105 | if ( !face ) | |
| 106 | return FT_Err_Invalid_Face_Handle; | |
| 107 | ||
| 108 | error = FT_Err_Invalid_Argument; | |
| 109 | ||
| 110 | if ( FT_HAS_MULTIPLE_MASTERS( face ) ) | |
| 111 | { | |
| 112 | FT_Driver driver = face->driver; | |
| 113 | FT_Set_MM_Design_Func func; | |
| 114 | ||
| 115 | ||
| 116 | func = (FT_Set_MM_Design_Func)driver->root.clazz->get_interface( | |
| 117 | FT_MODULE( driver ), "set_mm_design" ); | |
| 118 | if ( func ) | |
| 119 | error = func( face, num_coords, coords ); | |
| 120 | } | |
| 121 | ||
| 122 | return error; | |
| 123 | } | |
| 124 | ||
| 125 | ||
| 126 | /*************************************************************************/ | |
| 127 | /* */ | |
| 128 | /* <Function> */ | |
| 129 | /* FT_Set_MM_Blend_Coordinates */ | |
| 130 | /* */ | |
| 131 | /* <Description> */ | |
| 132 | /* For Multiple Masters fonts, choose an interpolated font design */ | |
| 133 | /* through normalized blend coordinates. */ | |
| 134 | /* */ | |
| 135 | /* <Input> */ | |
| 136 | /* face :: A handle to the source face. */ | |
| 137 | /* */ | |
| 138 | /* num_coords :: The number of design coordinates (must be equal to */ | |
| 139 | /* the number of axes in the font). */ | |
| 140 | /* */ | |
| 141 | /* coords :: The design coordinates (each one must be between 0 */ | |
| 142 | /* and 1.0). */ | |
| 143 | /* */ | |
| 144 | /* <Return> */ | |
| 145 | /* FreeType error code. 0 means success. */ | |
| 146 | /* */ | |
| 147 | FT_EXPORT_FUNC( FT_Error ) FT_Set_MM_Blend_Coordinates( | |
| 148 | FT_Face face, | |
| 149 | FT_UInt num_coords, | |
| 150 | FT_Fixed* coords ) | |
| 151 | { | |
| 152 | FT_Error error; | |
| 153 | ||
| 154 | ||
| 155 | if ( !face ) | |
| 156 | return FT_Err_Invalid_Face_Handle; | |
| 157 | ||
| 158 | error = FT_Err_Invalid_Argument; | |
| 159 | ||
| 160 | if ( FT_HAS_MULTIPLE_MASTERS( face ) ) | |
| 161 | { | |
| 162 | FT_Driver driver = face->driver; | |
| 163 | FT_Set_MM_Blend_Func func; | |
| 164 | ||
| 165 | ||
| 166 | func = (FT_Set_MM_Blend_Func)driver->root.clazz->get_interface( | |
| 167 | FT_MODULE( driver ), "set_mm_blend" ); | |
| 168 | if ( func ) | |
| 169 | error = func( face, num_coords, coords ); | |
| 170 | } | |
| 171 | ||
| 172 | return error; | |
| 173 | } | |
| 174 | ||
| 175 | ||
| 176 | /* END */ |