Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* t42drivr.c */ |
| 4 | /* */ |
| 5 | /* High-level Type 42 driver interface (body). */ |
| 6 | /* */ |
| 7 | /* Copyright 2002 by Roberto Alameda. */ |
| 8 | /* */ |
| 9 | /* This file is part of the FreeType project, and may only be used, */ |
| 10 | /* modified, and distributed under the terms of the FreeType project */ |
| 11 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 12 | /* this file you indicate that you have read the license and */ |
| 13 | /* understand and accept it fully. */ |
| 14 | /* */ |
| 15 | /***************************************************************************/ |
| 16 | |
| 17 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 18 | #include "t42drivr.h" |
| 19 | #include "t42objs.h" |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 20 | #include "t42error.h" |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 21 | #include FT_INTERNAL_DEBUG_H |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 22 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 23 | |
Werner Lemberg | 7cf4d37 | 2002-05-21 14:13:01 +0000 | [diff] [blame] | 24 | #undef FT_COMPONENT |
| 25 | #define FT_COMPONENT trace_t42 |
| 26 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 27 | |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 28 | static FT_Error |
| 29 | t42_get_glyph_name( T42_Face face, |
| 30 | FT_UInt glyph_index, |
| 31 | FT_Pointer buffer, |
| 32 | FT_UInt buffer_max ) |
| 33 | { |
| 34 | FT_String* gname; |
| 35 | |
| 36 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 37 | gname = face->type1.glyph_names[glyph_index]; |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 38 | |
| 39 | if ( buffer_max > 0 ) |
| 40 | { |
| 41 | FT_UInt len = (FT_UInt)( ft_strlen( gname ) ); |
| 42 | |
| 43 | |
| 44 | if ( len >= buffer_max ) |
| 45 | len = buffer_max - 1; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 46 | |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 47 | FT_MEM_COPY( buffer, gname, len ); |
| 48 | ((FT_Byte*)buffer)[len] = 0; |
| 49 | } |
| 50 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 51 | return T42_Err_Ok; |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | |
| 55 | static const char* |
| 56 | t42_get_ps_name( T42_Face face ) |
| 57 | { |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 58 | return (const char*)face->type1.font_name; |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | |
| 62 | static FT_UInt |
| 63 | t42_get_name_index( T42_Face face, |
| 64 | FT_String* glyph_name ) |
| 65 | { |
| 66 | FT_Int i; |
| 67 | FT_String* gname; |
| 68 | |
| 69 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 70 | for ( i = 0; i < face->type1.num_glyphs; i++ ) |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 71 | { |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 72 | gname = face->type1.glyph_names[i]; |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 73 | |
| 74 | if ( !ft_strcmp( glyph_name, gname ) ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 75 | return ft_atoi( (const char *)face->type1.charstrings[i] ); |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | static FT_Module_Interface |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 83 | T42_Get_Interface( FT_Driver driver, |
| 84 | const FT_String* t42_interface ) |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 85 | { |
| 86 | FT_UNUSED( driver ); |
| 87 | |
| 88 | /* Any additional interface are defined here */ |
| 89 | if (ft_strcmp( (const char*)t42_interface, "glyph_name" ) == 0 ) |
| 90 | return (FT_Module_Interface)t42_get_glyph_name; |
| 91 | |
| 92 | if ( ft_strcmp( (const char*)t42_interface, "name_index" ) == 0 ) |
| 93 | return (FT_Module_Interface)t42_get_name_index; |
| 94 | |
| 95 | if ( ft_strcmp( (const char*)t42_interface, "postscript_name" ) == 0 ) |
| 96 | return (FT_Module_Interface)t42_get_ps_name; |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | |
| 102 | const FT_Driver_ClassRec t42_driver_class = |
| 103 | { |
| 104 | { |
| 105 | ft_module_font_driver | |
| 106 | ft_module_driver_scalable | |
Werner Lemberg | 7cf4d37 | 2002-05-21 14:13:01 +0000 | [diff] [blame] | 107 | #ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 108 | ft_module_driver_has_hinter, |
Werner Lemberg | 7cf4d37 | 2002-05-21 14:13:01 +0000 | [diff] [blame] | 109 | #else |
| 110 | 0, |
| 111 | #endif |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 112 | |
| 113 | sizeof ( T42_DriverRec ), |
| 114 | |
| 115 | "type42", |
| 116 | 0x10000L, |
| 117 | 0x20000L, |
| 118 | |
| 119 | 0, /* format interface */ |
| 120 | |
| 121 | (FT_Module_Constructor)T42_Driver_Init, |
| 122 | (FT_Module_Destructor) T42_Driver_Done, |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 123 | (FT_Module_Requester) T42_Get_Interface, |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 124 | }, |
| 125 | |
| 126 | sizeof ( T42_FaceRec ), |
| 127 | sizeof ( T42_SizeRec ), |
| 128 | sizeof ( T42_GlyphSlotRec ), |
| 129 | |
| 130 | (FT_Face_InitFunc) T42_Face_Init, |
| 131 | (FT_Face_DoneFunc) T42_Face_Done, |
| 132 | (FT_Size_InitFunc) T42_Size_Init, |
| 133 | (FT_Size_DoneFunc) T42_Size_Done, |
| 134 | (FT_Slot_InitFunc) T42_GlyphSlot_Init, |
| 135 | (FT_Slot_DoneFunc) T42_GlyphSlot_Done, |
| 136 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 137 | (FT_Size_ResetPointsFunc) T42_Size_SetChars, |
| 138 | (FT_Size_ResetPixelsFunc) T42_Size_SetPixels, |
| 139 | (FT_Slot_LoadFunc) T42_GlyphSlot_Load, |
| 140 | (FT_CharMap_CharIndexFunc)T42_CMap_CharIndex, |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 141 | |
| 142 | (FT_Face_GetKerningFunc) 0, |
| 143 | (FT_Face_AttachFunc) 0, |
| 144 | |
| 145 | (FT_Face_GetAdvancesFunc) 0, |
| 146 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 147 | (FT_CharMap_CharNextFunc) T42_CMap_CharNext, |
Werner Lemberg | 347a714 | 2002-05-15 06:16:57 +0000 | [diff] [blame] | 148 | }; |
| 149 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame^] | 150 | |
| 151 | /* END */ |