| | 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 */ |
projects / wxWidgets.git / blame_incremental