David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* winfnt.c */ |
| 4 | /* */ |
| 5 | /* FreeType font driver for Windows FNT/FON files */ |
| 6 | /* */ |
| 7 | /* Copyright 1996-2000 by */ |
| 8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| 9 | /* */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 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 */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 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 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 18 | |
Werner Lemberg | 90d9964 | 2000-12-09 00:45:38 +0000 | [diff] [blame^] | 19 | #include <ft2build.h> |
| 20 | #include FT_ERRORS_H |
| 21 | #include FT_INTERNAL_DEBUG_H |
| 22 | #include FT_INTERNAL_STREAM_H |
| 23 | #include FT_INTERNAL_OBJECTS_H |
| 24 | #include FT_INTERNAL_FNT_TYPES_H |
| 25 | #include FT_SOURCE_FILE(winfonts,winfnt.h) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 26 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 27 | |
| 28 | /*************************************************************************/ |
| 29 | /* */ |
| 30 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 31 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 32 | /* messages during execution. */ |
| 33 | /* */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 34 | #undef FT_COMPONENT |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 35 | #define FT_COMPONENT trace_winfnt |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 36 | |
| 37 | |
| 38 | static |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 39 | const FT_Frame_Field winmz_header_fields[] = |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 40 | { |
Werner Lemberg | e72c9fe | 2000-07-31 18:59:02 +0000 | [diff] [blame] | 41 | #undef FT_STRUCTURE |
| 42 | #define FT_STRUCTURE WinMZ_Header |
| 43 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 44 | FT_FRAME_START( 64 ), |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 45 | FT_FRAME_USHORT_LE ( magic ), |
| 46 | FT_FRAME_SKIP_BYTES( 29 * 2 ), |
| 47 | FT_FRAME_ULONG_LE ( lfanew ), |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 48 | FT_FRAME_END |
| 49 | }; |
| 50 | |
| 51 | static |
| 52 | const FT_Frame_Field winne_header_fields[] = |
| 53 | { |
Werner Lemberg | e72c9fe | 2000-07-31 18:59:02 +0000 | [diff] [blame] | 54 | #undef FT_STRUCTURE |
| 55 | #define FT_STRUCTURE WinNE_Header |
| 56 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 57 | FT_FRAME_START( 40 ), |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 58 | FT_FRAME_USHORT_LE ( magic ), |
| 59 | FT_FRAME_SKIP_BYTES( 34 ), |
| 60 | FT_FRAME_USHORT_LE ( resource_tab_offset ), |
| 61 | FT_FRAME_USHORT_LE ( rname_tab_offset ), |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 62 | FT_FRAME_END |
| 63 | }; |
| 64 | |
| 65 | static |
| 66 | const FT_Frame_Field winfnt_header_fields[] = |
| 67 | { |
Werner Lemberg | e72c9fe | 2000-07-31 18:59:02 +0000 | [diff] [blame] | 68 | #undef FT_STRUCTURE |
| 69 | #define FT_STRUCTURE WinFNT_Header |
| 70 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 71 | FT_FRAME_START( 134 ), |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 72 | FT_FRAME_USHORT_LE( version ), |
| 73 | FT_FRAME_ULONG_LE ( file_size ), |
| 74 | FT_FRAME_BYTES ( copyright, 60 ), |
| 75 | FT_FRAME_USHORT_LE( file_type ), |
| 76 | FT_FRAME_USHORT_LE( nominal_point_size ), |
| 77 | FT_FRAME_USHORT_LE( vertical_resolution ), |
| 78 | FT_FRAME_USHORT_LE( horizontal_resolution ), |
| 79 | FT_FRAME_USHORT_LE( ascent ), |
| 80 | FT_FRAME_USHORT_LE( internal_leading ), |
| 81 | FT_FRAME_USHORT_LE( external_leading ), |
| 82 | FT_FRAME_BYTE ( italic ), |
| 83 | FT_FRAME_BYTE ( underline ), |
| 84 | FT_FRAME_BYTE ( strike_out ), |
| 85 | FT_FRAME_USHORT_LE( weight ), |
| 86 | FT_FRAME_BYTE ( charset ), |
| 87 | FT_FRAME_USHORT_LE( pixel_width ), |
| 88 | FT_FRAME_USHORT_LE( pixel_height ), |
| 89 | FT_FRAME_BYTE ( pitch_and_family ), |
| 90 | FT_FRAME_USHORT_LE( avg_width ), |
| 91 | FT_FRAME_USHORT_LE( max_width ), |
| 92 | FT_FRAME_BYTE ( first_char ), |
| 93 | FT_FRAME_BYTE ( last_char ), |
| 94 | FT_FRAME_BYTE ( default_char ), |
| 95 | FT_FRAME_BYTE ( break_char ), |
| 96 | FT_FRAME_USHORT_LE( bytes_per_row ), |
| 97 | FT_FRAME_ULONG_LE ( device_offset ), |
| 98 | FT_FRAME_ULONG_LE ( face_name_offset ), |
| 99 | FT_FRAME_ULONG_LE ( bits_pointer ), |
| 100 | FT_FRAME_ULONG_LE ( bits_offset ), |
| 101 | FT_FRAME_BYTE ( reserved ), |
| 102 | FT_FRAME_ULONG_LE ( flags ), |
| 103 | FT_FRAME_USHORT_LE( A_space ), |
| 104 | FT_FRAME_USHORT_LE( B_space ), |
| 105 | FT_FRAME_USHORT_LE( C_space ), |
| 106 | FT_FRAME_USHORT_LE( color_table_offset ), |
| 107 | FT_FRAME_BYTES ( reserved, 4 ), |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 108 | FT_FRAME_END |
| 109 | }; |
| 110 | |
| 111 | |
| 112 | static |
| 113 | void fnt_done_font( FT_Stream stream, |
| 114 | FNT_Font* font ) |
| 115 | { |
| 116 | if ( font->fnt_frame ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 117 | RELEASE_Frame( font->fnt_frame ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 118 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 119 | font->fnt_size = 0; |
| 120 | font->fnt_frame = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 121 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 122 | |
| 123 | |
| 124 | static |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 125 | FT_Error fnt_load_font( FT_Stream stream, |
| 126 | FNT_Font* font ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 127 | { |
| 128 | FT_Error error; |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 129 | WinFNT_Header* header = &font->header; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 130 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 131 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 132 | /* first of all, read the FNT header */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 133 | if ( FILE_Seek( font->offset ) || |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 134 | READ_Fields( winfnt_header_fields, header ) ) |
| 135 | goto Exit; |
| 136 | |
| 137 | /* check header */ |
| 138 | if ( header->version != 0x200 && |
| 139 | header->version != 0x300 ) |
| 140 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 141 | FT_TRACE2(( "[not a valid FNT file]\n" )); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 142 | error = FT_Err_Unknown_File_Format; |
| 143 | goto Exit; |
| 144 | } |
| 145 | |
| 146 | if ( header->file_type & 1 ) |
| 147 | { |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 148 | FT_TRACE2(( "[can't handle vector FNT fonts]\n" )); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 149 | error = FT_Err_Unknown_File_Format; |
| 150 | goto Exit; |
| 151 | } |
| 152 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 153 | /* small fixup -- some fonts have the `pixel_width' field set to 0 */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 154 | if ( header->pixel_width == 0 ) |
| 155 | header->pixel_width = header->pixel_height; |
| 156 | |
| 157 | /* this is a FNT file/table, we now extract its frame */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 158 | if ( FILE_Seek( font->offset ) || |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 159 | EXTRACT_Frame( header->file_size, font->fnt_frame ) ) |
| 160 | goto Exit; |
| 161 | |
| 162 | Exit: |
| 163 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 164 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 165 | |
| 166 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 167 | static |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 168 | void fnt_done_fonts( FNT_Face face ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 169 | { |
| 170 | FT_Memory memory = FT_FACE(face)->memory; |
| 171 | FT_Stream stream = FT_FACE(face)->stream; |
| 172 | FNT_Font* cur = face->fonts; |
| 173 | FNT_Font* limit = cur + face->num_fonts; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 174 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 175 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 176 | for ( ; cur < limit; cur++ ) |
| 177 | fnt_done_font( stream, cur ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 178 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 179 | FREE( face->fonts ); |
| 180 | face->num_fonts = 0; |
| 181 | } |
| 182 | |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 183 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 184 | static |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 185 | FT_Error fnt_get_dll_fonts( FNT_Face face ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 186 | { |
| 187 | FT_Error error; |
| 188 | FT_Stream stream = FT_FACE(face)->stream; |
| 189 | FT_Memory memory = FT_FACE(face)->memory; |
| 190 | WinMZ_Header mz_header; |
| 191 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 192 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 193 | face->fonts = 0; |
| 194 | face->num_fonts = 0; |
| 195 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 196 | /* does it begin with a MZ header? */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 197 | if ( FILE_Seek( 0 ) || |
| 198 | READ_Fields( winmz_header_fields, &mz_header ) ) |
| 199 | goto Exit; |
| 200 | |
David Turner | a90663f | 2000-07-08 00:41:13 +0000 | [diff] [blame] | 201 | error = FT_Err_Unknown_File_Format; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 202 | if ( mz_header.magic == WINFNT_MZ_MAGIC ) |
| 203 | { |
| 204 | /* yes, now look for a NE header in the file */ |
| 205 | WinNE_Header ne_header; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 206 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 207 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 208 | if ( FILE_Seek( mz_header.lfanew ) || |
| 209 | READ_Fields( winne_header_fields, &ne_header ) ) |
| 210 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 211 | |
David Turner | a90663f | 2000-07-08 00:41:13 +0000 | [diff] [blame] | 212 | error = FT_Err_Unknown_File_Format; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 213 | if ( ne_header.magic == WINFNT_NE_MAGIC ) |
| 214 | { |
| 215 | /* good, now look in the resource table for each FNT resource */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 216 | FT_ULong res_offset = mz_header.lfanew + |
| 217 | ne_header.resource_tab_offset; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 218 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 219 | FT_UShort size_shift; |
| 220 | FT_UShort font_count = 0; |
| 221 | FT_ULong font_offset = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 222 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 223 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 224 | if ( FILE_Seek( res_offset ) || |
| 225 | ACCESS_Frame( ne_header.rname_tab_offset - |
| 226 | ne_header.resource_tab_offset ) ) |
| 227 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 228 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 229 | size_shift = GET_UShortLE(); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 230 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 231 | for (;;) |
| 232 | { |
| 233 | FT_UShort type_id, count; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 234 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 235 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 236 | type_id = GET_UShortLE(); |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 237 | if ( !type_id ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 238 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 239 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 240 | count = GET_UShortLE(); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 241 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 242 | if ( type_id == 0x8008 ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 243 | { |
| 244 | font_count = count; |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 245 | font_offset = FILE_Pos() + 4 + ( stream->cursor - stream->limit ); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 246 | break; |
| 247 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 248 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 249 | stream->cursor += 4 + count * 12; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 250 | } |
| 251 | FORGET_Frame(); |
| 252 | |
| 253 | if ( !font_count || !font_offset ) |
| 254 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 255 | FT_TRACE2(( "this file doesn't contain any FNT resources!\n" )); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 256 | error = FT_Err_Unknown_File_Format; |
| 257 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 258 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 259 | |
| 260 | if ( FILE_Seek( font_offset ) || |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 261 | ALLOC_ARRAY( face->fonts, font_count, FNT_Font ) ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 262 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 263 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 264 | face->num_fonts = font_count; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 265 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 266 | if ( ACCESS_Frame( (FT_Long)font_count * 12 ) ) |
| 267 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 268 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 269 | /* now read the offset and position of each FNT font */ |
| 270 | { |
| 271 | FNT_Font* cur = face->fonts; |
| 272 | FNT_Font* limit = cur + font_count; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 273 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 274 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 275 | for ( ; cur < limit; cur++ ) |
| 276 | { |
| 277 | cur->offset = (FT_ULong)GET_UShortLE() << size_shift; |
| 278 | cur->fnt_size = (FT_ULong)GET_UShortLE() << size_shift; |
| 279 | cur->size_shift = size_shift; |
| 280 | stream->cursor += 8; |
| 281 | } |
| 282 | } |
| 283 | FORGET_Frame(); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 284 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 285 | /* finally, try to load each font there */ |
| 286 | { |
| 287 | FNT_Font* cur = face->fonts; |
| 288 | FNT_Font* limit = cur + font_count; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 289 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 290 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 291 | for ( ; cur < limit; cur++ ) |
| 292 | { |
| 293 | error = fnt_load_font( stream, cur ); |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 294 | if ( error ) |
| 295 | goto Fail; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 296 | } |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | Fail: |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 302 | if ( error ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 303 | fnt_done_fonts( face ); |
| 304 | |
| 305 | Exit: |
| 306 | return error; |
| 307 | } |
| 308 | |
| 309 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 310 | static |
| 311 | void FNT_Done_Face( FNT_Face face ) |
| 312 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 313 | FT_Memory memory = FT_FACE_MEMORY( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 314 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 315 | |
| 316 | fnt_done_fonts( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 317 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 318 | FREE( face->root.available_sizes ); |
| 319 | face->root.num_fixed_sizes = 0; |
| 320 | } |
| 321 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 322 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 323 | static |
| 324 | FT_Error FNT_Init_Face( FT_Stream stream, |
| 325 | FNT_Face face, |
| 326 | FT_Int face_index, |
| 327 | FT_Int num_params, |
| 328 | FT_Parameter* params ) |
| 329 | { |
| 330 | FT_Error error; |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 331 | FT_Memory memory = FT_FACE_MEMORY( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 332 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 333 | FT_UNUSED( num_params ); |
| 334 | FT_UNUSED( params ); |
| 335 | FT_UNUSED( face_index ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 336 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 337 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 338 | /* try to load several fonts from a DLL */ |
| 339 | error = fnt_get_dll_fonts( face ); |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 340 | if ( error ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 341 | { |
| 342 | /* this didn't work, now try to load a single FNT font */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 343 | FNT_Font* font; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 344 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 345 | if ( ALLOC( face->fonts, sizeof ( *face->fonts ) ) ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 346 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 347 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 348 | face->num_fonts = 1; |
| 349 | font = face->fonts; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 350 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 351 | font->offset = 0; |
| 352 | font->fnt_size = stream->size; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 353 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 354 | error = fnt_load_font( stream, font ); |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 355 | if ( error ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 356 | goto Fail; |
| 357 | } |
| 358 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 359 | /* all right, one or more fonts were loaded; we now need to */ |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 360 | /* fill the root FT_Face fields with relevant information */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 361 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 362 | FT_Face root = FT_FACE( face ); |
| 363 | FNT_Font* fonts = face->fonts; |
| 364 | FNT_Font* limit = fonts + face->num_fonts; |
| 365 | FNT_Font* cur; |
| 366 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 367 | |
| 368 | root->num_faces = 1; |
| 369 | root->face_flags = FT_FACE_FLAG_FIXED_SIZES | |
| 370 | FT_FACE_FLAG_HORIZONTAL; |
| 371 | |
| 372 | if ( fonts->header.avg_width == fonts->header.max_width ) |
| 373 | root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 374 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 375 | if ( fonts->header.italic ) |
| 376 | root->style_flags |= FT_STYLE_FLAG_ITALIC; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 377 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 378 | if ( fonts->header.weight >= 800 ) |
| 379 | root->style_flags |= FT_STYLE_FLAG_BOLD; |
| 380 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 381 | /* Setup the `fixed_sizes' array */ |
| 382 | if ( ALLOC_ARRAY( root->available_sizes, face->num_fonts, |
| 383 | FT_Bitmap_Size ) ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 384 | goto Fail; |
| 385 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 386 | root->num_fixed_sizes = face->num_fonts; |
| 387 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 388 | { |
| 389 | FT_Bitmap_Size* size = root->available_sizes; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 390 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 391 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 392 | for ( cur = fonts; cur < limit; cur++, size++ ) |
| 393 | { |
| 394 | size->width = cur->header.pixel_width; |
| 395 | size->height = cur->header.pixel_height; |
| 396 | } |
| 397 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 398 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 399 | /* Setup the `charmaps' array */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 400 | root->charmaps = &face->charmap_handle; |
| 401 | root->num_charmaps = 1; |
| 402 | |
| 403 | face->charmap.encoding = ft_encoding_unicode; |
| 404 | face->charmap.platform_id = 3; |
| 405 | face->charmap.encoding_id = 1; |
| 406 | face->charmap.face = root; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 407 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 408 | face->charmap_handle = &face->charmap; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 409 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 410 | root->charmap = face->charmap_handle; |
| 411 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 412 | /* setup remaining flags */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 413 | root->num_glyphs = fonts->header.last_char - |
| 414 | fonts->header.first_char + 1; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 415 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 416 | root->family_name = (FT_String*)fonts->fnt_frame + |
| 417 | fonts->header.face_name_offset; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 418 | root->style_name = (char *)"Regular"; |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 419 | |
| 420 | if ( root->style_flags & FT_STYLE_FLAG_BOLD ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 421 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 422 | if ( root->style_flags & FT_STYLE_FLAG_ITALIC ) |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 423 | root->style_name = (char *)"Bold Italic"; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 424 | else |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 425 | root->style_name = (char *)"Bold"; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 426 | } |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 427 | else if ( root->style_flags & FT_STYLE_FLAG_ITALIC ) |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 428 | root->style_name = (char *)"Italic"; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 429 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 430 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 431 | Fail: |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 432 | if ( error ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 433 | FNT_Done_Face( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 434 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 435 | Exit: |
| 436 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 437 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 438 | |
| 439 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 440 | static |
| 441 | FT_Error FNT_Set_Pixel_Size( FNT_Size size ) |
| 442 | { |
| 443 | /* look up a font corresponding to the current pixel size */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 444 | FNT_Face face = (FNT_Face)FT_SIZE_FACE( size ); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 445 | FNT_Font* cur = face->fonts; |
| 446 | FNT_Font* limit = cur + face->num_fonts; |
| 447 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 448 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 449 | size->font = 0; |
| 450 | for ( ; cur < limit; cur++ ) |
| 451 | { |
| 452 | /* we only compare the character height, as fonts used some strange */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 453 | /* values */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 454 | if ( cur->header.pixel_height == size->root.metrics.y_ppem ) |
| 455 | { |
| 456 | size->font = cur; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 457 | |
Werner Lemberg | 0959a87 | 2000-07-18 06:50:03 +0000 | [diff] [blame] | 458 | size->root.metrics.ascender = cur->header.ascent * 64; |
| 459 | size->root.metrics.descender = ( cur->header.pixel_height - |
| 460 | cur->header.ascent ) * 64; |
| 461 | size->root.metrics.height = cur->header.pixel_height * 64; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 462 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 463 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 464 | } |
| 465 | |
Werner Lemberg | 8bb45ec | 2000-09-29 06:41:56 +0000 | [diff] [blame] | 466 | return ( size->font ? FT_Err_Ok : FT_Err_Invalid_Pixel_Size ); |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | |
| 470 | static |
| 471 | FT_UInt FNT_Get_Char_Index( FT_CharMap charmap, |
| 472 | FT_ULong char_code ) |
| 473 | { |
| 474 | FT_UInt result = char_code; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 475 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 476 | |
| 477 | if ( charmap ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 478 | { |
| 479 | FNT_Font* font = ((FNT_Face)charmap->face)->fonts; |
| 480 | FT_UInt first = font->header.first_char; |
| 481 | FT_UInt count = font->header.last_char - first + 1; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 482 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 483 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 484 | char_code -= first; |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 485 | if ( char_code < count ) |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 486 | result = char_code + 1; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 487 | else |
David Turner | bca3328 | 2000-07-19 20:17:37 +0000 | [diff] [blame] | 488 | result = 0; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 489 | } |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 490 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 491 | return result; |
| 492 | } |
| 493 | |
| 494 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 495 | static |
| 496 | FT_Error FNT_Load_Glyph( FT_GlyphSlot slot, |
| 497 | FNT_Size size, |
| 498 | FT_UInt glyph_index, |
| 499 | FT_Int load_flags ) |
| 500 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 501 | FNT_Font* font = size->font; |
| 502 | FT_Error error = 0; |
| 503 | FT_Byte* p; |
| 504 | FT_Int len; |
| 505 | FT_Bitmap* bitmap = &slot->bitmap; |
| 506 | FT_ULong offset; |
| 507 | FT_Bool new_format; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 508 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 509 | FT_UNUSED( slot ); |
| 510 | FT_UNUSED( load_flags ); |
| 511 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 512 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 513 | if ( !font ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 514 | { |
| 515 | error = FT_Err_Invalid_Argument; |
| 516 | goto Exit; |
| 517 | } |
| 518 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 519 | if ( glyph_index > 0 ) |
David Turner | bca3328 | 2000-07-19 20:17:37 +0000 | [diff] [blame] | 520 | glyph_index--; |
| 521 | else |
| 522 | glyph_index = font->header.default_char - font->header.first_char; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 523 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 524 | new_format = font->header.version == 0x300; |
| 525 | len = new_format ? 6 : 4; |
| 526 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 527 | /* jump to glyph entry */ |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 528 | p = font->fnt_frame + 118 + len * glyph_index; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 529 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 530 | bitmap->width = NEXT_ShortLE(p); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 531 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 532 | if ( new_format ) |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 533 | offset = NEXT_ULongLE(p); |
| 534 | else |
| 535 | offset = NEXT_UShortLE(p); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 536 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 537 | /* jump to glyph data */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 538 | p = font->fnt_frame + /* font->header.bits_offset */ + offset; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 539 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 540 | /* allocate and build bitmap */ |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 541 | { |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 542 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
| 543 | FT_Int pitch = ( bitmap->width + 7 ) >> 3; |
| 544 | FT_Byte* column; |
| 545 | FT_Byte* write; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 546 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 547 | |
| 548 | bitmap->pitch = pitch; |
| 549 | bitmap->rows = font->header.pixel_height; |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 550 | bitmap->pixel_mode = ft_pixel_mode_mono; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 551 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 552 | if ( ALLOC( bitmap->buffer, pitch * bitmap->rows ) ) |
| 553 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 554 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 555 | column = (FT_Byte*)bitmap->buffer; |
| 556 | |
| 557 | for ( ; pitch > 0; pitch--, column++ ) |
| 558 | { |
| 559 | FT_Byte* limit = p + bitmap->rows; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 560 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 561 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 562 | for ( write = column; p < limit; p++, write += bitmap->pitch ) |
| 563 | write[0] = p[0]; |
| 564 | } |
| 565 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 566 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 567 | slot->flags = ft_glyph_own_bitmap; |
| 568 | slot->bitmap_left = 0; |
| 569 | slot->bitmap_top = font->header.ascent; |
| 570 | slot->format = ft_glyph_format_bitmap; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 571 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 572 | /* now set up metrics */ |
| 573 | slot->metrics.horiAdvance = bitmap->width << 6; |
| 574 | slot->metrics.horiBearingX = 0; |
| 575 | slot->metrics.horiBearingY = slot->bitmap_top << 6; |
| 576 | |
| 577 | slot->linearHoriAdvance = (FT_Fixed)bitmap->width << 16; |
David Turner | d3c8e06 | 2000-12-04 22:53:55 +0000 | [diff] [blame] | 578 | slot->format = ft_glyph_format_bitmap; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 579 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 580 | Exit: |
| 581 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 582 | } |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 583 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 584 | |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 585 | FT_CALLBACK_TABLE_DEF |
| 586 | const FT_Driver_Class winfnt_driver_class = |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 587 | { |
| 588 | { |
| 589 | ft_module_font_driver, |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 590 | sizeof ( FT_DriverRec ), |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 591 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 592 | "winfonts", |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 593 | 0x10000L, |
| 594 | 0x20000L, |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 595 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 596 | 0, |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 597 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 598 | (FT_Module_Constructor)0, |
| 599 | (FT_Module_Destructor) 0, |
| 600 | (FT_Module_Requester) 0 |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 601 | }, |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 602 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 603 | sizeof( FNT_FaceRec ), |
| 604 | sizeof( FNT_SizeRec ), |
| 605 | sizeof( FT_GlyphSlotRec ), |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 606 | |
David Turner | ab9cc27 | 2000-07-07 19:46:01 +0000 | [diff] [blame] | 607 | (FTDriver_initFace) FNT_Init_Face, |
| 608 | (FTDriver_doneFace) FNT_Done_Face, |
| 609 | (FTDriver_initSize) 0, |
| 610 | (FTDriver_doneSize) 0, |
| 611 | (FTDriver_initGlyphSlot)0, |
| 612 | (FTDriver_doneGlyphSlot)0, |
| 613 | |
| 614 | (FTDriver_setCharSizes) FNT_Set_Pixel_Size, |
| 615 | (FTDriver_setPixelSizes)FNT_Set_Pixel_Size, |
| 616 | |
| 617 | (FTDriver_loadGlyph) FNT_Load_Glyph, |
| 618 | (FTDriver_getCharIndex) FNT_Get_Char_Index, |
| 619 | |
| 620 | (FTDriver_getKerning) 0, |
| 621 | (FTDriver_attachFile) 0, |
| 622 | (FTDriver_getAdvances) 0 |
| 623 | }; |
| 624 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 625 | |
Werner Lemberg | ab85523 | 2000-10-31 22:13:54 +0000 | [diff] [blame] | 626 | #ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS |
| 627 | |
| 628 | |
| 629 | /*************************************************************************/ |
| 630 | /* */ |
| 631 | /* <Function> */ |
| 632 | /* getDriverClass */ |
| 633 | /* */ |
| 634 | /* <Description> */ |
| 635 | /* This function is used when compiling the TrueType driver as a */ |
| 636 | /* shared library (`.DLL' or `.so'). It will be used by the */ |
| 637 | /* high-level library of FreeType to retrieve the address of the */ |
| 638 | /* driver's generic interface. */ |
| 639 | /* */ |
| 640 | /* It shouldn't be implemented in a static build, as each driver must */ |
| 641 | /* have the same function as an exported entry point. */ |
| 642 | /* */ |
| 643 | /* <Return> */ |
| 644 | /* The address of the TrueType's driver generic interface. The */ |
| 645 | /* format-specific interface can then be retrieved through the method */ |
| 646 | /* interface->get_format_interface. */ |
| 647 | /* */ |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 648 | FT_EXPORT_DEF( const FT_Driver_Class* ) getDriverClass( void ) |
Werner Lemberg | ab85523 | 2000-10-31 22:13:54 +0000 | [diff] [blame] | 649 | { |
| 650 | return &winfnt_driver_class; |
| 651 | } |
| 652 | |
| 653 | |
| 654 | #endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */ |
| 655 | |
| 656 | |
Werner Lemberg | 415cc7c | 2000-07-08 22:52:21 +0000 | [diff] [blame] | 657 | /* END */ |