1 /***************************************************************************/ 2 /* */ 3 /* ftmm.c */ 4 /* */ 5 /* Multiple Master font support (body). */ 6 /* */ 7 /* Copyright 1996-2001 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 <ft2build.h> 20 #include FT_MULTIPLE_MASTERS_H 21 #include FT_INTERNAL_OBJECTS_H 22 23 24 /*************************************************************************/ 25 /* */ 26 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 27 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 28 /* messages during execution. */ 29 /* */ 30 #undef FT_COMPONENT 31 #define FT_COMPONENT trace_mm 32 33 34 /* documentation is in ftmm.h */ 35 36 FT_EXPORT_DEF( FT_Error ) 37 FT_Get_Multi_Master( FT_Face face, 38 FT_Multi_Master *amaster ) 39 { 40 FT_Error error; 41 42 43 if ( !face ) 44 return FT_Err_Invalid_Face_Handle; 45 46 error = FT_Err_Invalid_Argument; 47 48 if ( FT_HAS_MULTIPLE_MASTERS( face ) ) 49 { 50 FT_Driver driver = face->driver; 51 FT_Get_MM_Func func; 52 53 54 func = (FT_Get_MM_Func)driver->root.clazz->get_interface( 55 FT_MODULE( driver ), "get_mm" ); 56 if ( func ) 57 error = func( face, amaster ); 58 } 59 60 return error; 61 } 62 63 64 /* documentation is in ftmm.h */ 65 66 FT_EXPORT_DEF( FT_Error ) 67 FT_Set_MM_Design_Coordinates( FT_Face face, 68 FT_UInt num_coords, 69 FT_Long* coords ) 70 { 71 FT_Error error; 72 73 74 if ( !face ) 75 return FT_Err_Invalid_Face_Handle; 76 77 error = FT_Err_Invalid_Argument; 78 79 if ( FT_HAS_MULTIPLE_MASTERS( face ) ) 80 { 81 FT_Driver driver = face->driver; 82 FT_Set_MM_Design_Func func; 83 84 85 func = (FT_Set_MM_Design_Func)driver->root.clazz->get_interface( 86 FT_MODULE( driver ), "set_mm_design" ); 87 if ( func ) 88 error = func( face, num_coords, coords ); 89 } 90 91 return error; 92 } 93 94 95 /* documentation is in ftmm.h */ 96 97 FT_EXPORT_DEF( FT_Error ) 98 FT_Set_MM_Blend_Coordinates( FT_Face face, 99 FT_UInt num_coords, 100 FT_Fixed* 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_Blend_Func func; 114 115 116 func = (FT_Set_MM_Blend_Func)driver->root.clazz->get_interface( 117 FT_MODULE( driver ), "set_mm_blend" ); 118 if ( func ) 119 error = func( face, num_coords, coords ); 120 } 121 122 return error; 123 } 124 125 126 /* END */ 127