Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* psobjs.c */ |
| 4 | /* */ |
| 5 | /* Auxiliary functions for PostScript fonts (body). */ |
| 6 | /* */ |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001, 2002 by */ |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 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 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 18 | |
| 19 | #include <ft2build.h> |
| 20 | #include FT_INTERNAL_POSTSCRIPT_AUX_H |
| 21 | #include FT_INTERNAL_DEBUG_H |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 22 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 23 | #include "psobjs.h" |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 24 | |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 25 | #include "psauxerr.h" |
| 26 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 27 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 28 | /*************************************************************************/ |
| 29 | /*************************************************************************/ |
| 30 | /***** *****/ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 31 | /***** PS_TABLE *****/ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 32 | /***** *****/ |
| 33 | /*************************************************************************/ |
| 34 | /*************************************************************************/ |
| 35 | |
| 36 | /*************************************************************************/ |
| 37 | /* */ |
| 38 | /* <Function> */ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 39 | /* PS_Table_New */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 40 | /* */ |
| 41 | /* <Description> */ |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 42 | /* Initializes a PS_Table. */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 43 | /* */ |
| 44 | /* <InOut> */ |
| 45 | /* table :: The address of the target table. */ |
| 46 | /* */ |
| 47 | /* <Input> */ |
| 48 | /* count :: The table size = the maximum number of elements. */ |
| 49 | /* */ |
| 50 | /* memory :: The memory object to use for all subsequent */ |
| 51 | /* reallocations. */ |
| 52 | /* */ |
| 53 | /* <Return> */ |
| 54 | /* FreeType error code. 0 means success. */ |
| 55 | /* */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 56 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 57 | PS_Table_New( PS_Table table, |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 58 | FT_Int count, |
| 59 | FT_Memory memory ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 60 | { |
| 61 | FT_Error error; |
| 62 | |
| 63 | |
| 64 | table->memory = memory; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 65 | if ( FT_NEW_ARRAY( table->elements, count ) || |
| 66 | FT_NEW_ARRAY( table->lengths, count ) ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 67 | goto Exit; |
| 68 | |
| 69 | table->max_elems = count; |
Werner Lemberg | 8c883fb | 2000-11-05 23:41:08 +0000 | [diff] [blame] | 70 | table->init = 0xDEADBEEFUL; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 71 | table->num_elems = 0; |
| 72 | table->block = 0; |
| 73 | table->capacity = 0; |
| 74 | table->cursor = 0; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 75 | |
| 76 | *(PS_Table_FuncsRec*)&table->funcs = ps_table_funcs; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 77 | |
| 78 | Exit: |
| 79 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 80 | FT_FREE( table->elements ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 81 | |
| 82 | return error; |
| 83 | } |
| 84 | |
| 85 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 86 | static void |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 87 | shift_elements( PS_Table table, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 88 | FT_Byte* old_base ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 89 | { |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 90 | FT_Long delta = (FT_Long)( table->block - old_base ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 91 | FT_Byte** offset = table->elements; |
| 92 | FT_Byte** limit = offset + table->max_elems; |
| 93 | |
| 94 | |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 95 | for ( ; offset < limit; offset++ ) |
| 96 | { |
| 97 | if ( offset[0] ) |
| 98 | offset[0] += delta; |
| 99 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 103 | static FT_Error |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 104 | reallocate_t1_table( PS_Table table, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 105 | FT_Int new_size ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 106 | { |
| 107 | FT_Memory memory = table->memory; |
| 108 | FT_Byte* old_base = table->block; |
| 109 | FT_Error error; |
| 110 | |
| 111 | |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 112 | /* allocate new base block */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 113 | if ( FT_ALLOC( table->block, new_size ) ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 114 | return error; |
| 115 | |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 116 | /* copy elements and shift offsets */ |
| 117 | if (old_base ) |
| 118 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 119 | FT_MEM_COPY( table->block, old_base, table->capacity ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 120 | shift_elements( table, old_base ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 121 | FT_FREE( old_base ); |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | table->capacity = new_size; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 125 | |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 126 | return PSaux_Err_Ok; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | |
| 130 | /*************************************************************************/ |
| 131 | /* */ |
| 132 | /* <Function> */ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 133 | /* PS_Table_Add */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 134 | /* */ |
| 135 | /* <Description> */ |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 136 | /* Adds an object to a PS_Table, possibly growing its memory block. */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 137 | /* */ |
| 138 | /* <InOut> */ |
| 139 | /* table :: The target table. */ |
| 140 | /* */ |
| 141 | /* <Input> */ |
Werner Lemberg | 91db04c | 2002-04-01 14:25:28 +0000 | [diff] [blame] | 142 | /* idx :: The index of the object in the table. */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 143 | /* */ |
| 144 | /* object :: The address of the object to copy in memory. */ |
| 145 | /* */ |
| 146 | /* length :: The length in bytes of the source object. */ |
| 147 | /* */ |
| 148 | /* <Return> */ |
| 149 | /* FreeType error code. 0 means success. An error is returned if a */ |
| 150 | /* reallocation fails. */ |
| 151 | /* */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 152 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 153 | PS_Table_Add( PS_Table table, |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 154 | FT_Int idx, |
| 155 | void* object, |
| 156 | FT_Int length ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 157 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 158 | if ( idx < 0 || idx > table->max_elems ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 159 | { |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 160 | FT_ERROR(( "PS_Table_Add: invalid index\n" )); |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 161 | return PSaux_Err_Invalid_Argument; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | /* grow the base block if needed */ |
| 165 | if ( table->cursor + length > table->capacity ) |
| 166 | { |
Werner Lemberg | 36af3ea | 2001-07-17 12:37:54 +0000 | [diff] [blame] | 167 | FT_Error error; |
David Turner | 8ab0add | 2001-08-30 07:59:28 +0000 | [diff] [blame] | 168 | FT_Offset new_size = table->capacity; |
| 169 | FT_Long in_offset; |
David Turner | 4d57024 | 2002-02-24 02:59:24 +0000 | [diff] [blame] | 170 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 171 | |
David Turner | 8ab0add | 2001-08-30 07:59:28 +0000 | [diff] [blame] | 172 | in_offset = (FT_Long)((FT_Byte*)object - table->block); |
| 173 | if ( (FT_ULong)in_offset >= table->capacity ) |
| 174 | in_offset = -1; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 175 | |
| 176 | while ( new_size < table->cursor + length ) |
| 177 | new_size += 1024; |
| 178 | |
| 179 | error = reallocate_t1_table( table, new_size ); |
| 180 | if ( error ) |
| 181 | return error; |
David Turner | 4d57024 | 2002-02-24 02:59:24 +0000 | [diff] [blame] | 182 | |
David Turner | 8ab0add | 2001-08-30 07:59:28 +0000 | [diff] [blame] | 183 | if ( in_offset >= 0 ) |
| 184 | object = table->block + in_offset; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | /* add the object to the base block and adjust offset */ |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 188 | table->elements[idx] = table->block + table->cursor; |
| 189 | table->lengths [idx] = length; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 190 | FT_MEM_COPY( table->block + table->cursor, object, length ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 191 | |
| 192 | table->cursor += length; |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 193 | return PSaux_Err_Ok; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 197 | /*************************************************************************/ |
| 198 | /* */ |
| 199 | /* <Function> */ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 200 | /* PS_Table_Done */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 201 | /* */ |
| 202 | /* <Description> */ |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 203 | /* Finalizes a PS_TableRec (i.e., reallocate it to its current */ |
| 204 | /* cursor). */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 205 | /* */ |
| 206 | /* <InOut> */ |
| 207 | /* table :: The target table. */ |
| 208 | /* */ |
| 209 | /* <Note> */ |
| 210 | /* This function does NOT release the heap's memory block. It is up */ |
| 211 | /* to the caller to clean it, or reference it in its own structures. */ |
| 212 | /* */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 213 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 214 | PS_Table_Done( PS_Table table ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 215 | { |
| 216 | FT_Memory memory = table->memory; |
| 217 | FT_Error error; |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 218 | FT_Byte* old_base = table->block; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 219 | |
| 220 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 221 | /* should never fail, because rec.cursor <= rec.size */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 222 | if ( !old_base ) |
| 223 | return; |
| 224 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 225 | if ( FT_ALLOC( table->block, table->cursor ) ) |
Werner Lemberg | 4e9dae6 | 2000-08-29 16:50:01 +0000 | [diff] [blame] | 226 | return; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 227 | FT_MEM_COPY( table->block, old_base, table->cursor ); |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 228 | shift_elements( table, old_base ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 229 | |
Werner Lemberg | e56b411 | 2001-02-03 04:34:53 +0000 | [diff] [blame] | 230 | table->capacity = table->cursor; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 231 | FT_FREE( old_base ); |
Werner Lemberg | b5349a9 | 2002-02-19 16:30:15 +0000 | [diff] [blame] | 232 | |
| 233 | FT_UNUSED( error ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 237 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 238 | PS_Table_Release( PS_Table table ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 239 | { |
| 240 | FT_Memory memory = table->memory; |
| 241 | |
| 242 | |
David Turner | 9748807 | 2000-08-22 22:36:33 +0000 | [diff] [blame] | 243 | if ( (FT_ULong)table->init == 0xDEADBEEFUL ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 244 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 245 | FT_FREE( table->block ); |
| 246 | FT_FREE( table->elements ); |
| 247 | FT_FREE( table->lengths ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 248 | table->init = 0; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 253 | /*************************************************************************/ |
| 254 | /*************************************************************************/ |
| 255 | /***** *****/ |
| 256 | /***** T1 PARSER *****/ |
| 257 | /***** *****/ |
| 258 | /*************************************************************************/ |
| 259 | /*************************************************************************/ |
| 260 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 261 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 262 | #define IS_T1_WHITESPACE( c ) ( (c) == ' ' || (c) == '\t' ) |
| 263 | #define IS_T1_LINESPACE( c ) ( (c) == '\r' || (c) == '\n' ) |
| 264 | |
| 265 | #define IS_T1_SPACE( c ) ( IS_T1_WHITESPACE( c ) || IS_T1_LINESPACE( c ) ) |
| 266 | |
| 267 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 268 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 269 | PS_Parser_SkipSpaces( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 270 | { |
| 271 | FT_Byte* cur = parser->cursor; |
| 272 | FT_Byte* limit = parser->limit; |
| 273 | |
| 274 | |
| 275 | while ( cur < limit ) |
| 276 | { |
| 277 | FT_Byte c = *cur; |
| 278 | |
| 279 | |
| 280 | if ( !IS_T1_SPACE( c ) ) |
| 281 | break; |
| 282 | cur++; |
| 283 | } |
| 284 | parser->cursor = cur; |
| 285 | } |
| 286 | |
| 287 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 288 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 289 | PS_Parser_SkipAlpha( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 290 | { |
| 291 | FT_Byte* cur = parser->cursor; |
| 292 | FT_Byte* limit = parser->limit; |
| 293 | |
| 294 | |
| 295 | while ( cur < limit ) |
| 296 | { |
| 297 | FT_Byte c = *cur; |
| 298 | |
| 299 | |
| 300 | if ( IS_T1_SPACE( c ) ) |
| 301 | break; |
| 302 | cur++; |
| 303 | } |
| 304 | parser->cursor = cur; |
| 305 | } |
| 306 | |
| 307 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 308 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 309 | PS_Parser_ToToken( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 310 | T1_Token token ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 311 | { |
| 312 | FT_Byte* cur; |
| 313 | FT_Byte* limit; |
| 314 | FT_Byte starter, ender; |
| 315 | FT_Int embed; |
| 316 | |
| 317 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 318 | token->type = T1_TOKEN_TYPE_NONE; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 319 | token->start = 0; |
| 320 | token->limit = 0; |
| 321 | |
| 322 | /* first of all, skip space */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 323 | PS_Parser_SkipSpaces( parser ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 324 | |
| 325 | cur = parser->cursor; |
| 326 | limit = parser->limit; |
| 327 | |
| 328 | if ( cur < limit ) |
| 329 | { |
| 330 | switch ( *cur ) |
| 331 | { |
| 332 | /************* check for strings ***********************/ |
| 333 | case '(': |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 334 | token->type = T1_TOKEN_TYPE_STRING; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 335 | ender = ')'; |
| 336 | goto Lookup_Ender; |
| 337 | |
| 338 | /************* check for programs/array ****************/ |
| 339 | case '{': |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 340 | token->type = T1_TOKEN_TYPE_ARRAY; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 341 | ender = '}'; |
| 342 | goto Lookup_Ender; |
| 343 | |
| 344 | /************* check for table/array ******************/ |
| 345 | case '[': |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 346 | token->type = T1_TOKEN_TYPE_ARRAY; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 347 | ender = ']'; |
| 348 | |
| 349 | Lookup_Ender: |
| 350 | embed = 1; |
| 351 | starter = *cur++; |
| 352 | token->start = cur; |
| 353 | while ( cur < limit ) |
| 354 | { |
| 355 | if ( *cur == starter ) |
| 356 | embed++; |
| 357 | else if ( *cur == ender ) |
| 358 | { |
| 359 | embed--; |
| 360 | if ( embed <= 0 ) |
| 361 | { |
| 362 | token->limit = cur++; |
| 363 | break; |
| 364 | } |
| 365 | } |
| 366 | cur++; |
| 367 | } |
| 368 | break; |
| 369 | |
| 370 | /* **************** otherwise, it's any token **********/ |
| 371 | default: |
| 372 | token->start = cur++; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 373 | token->type = T1_TOKEN_TYPE_ANY; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 374 | while ( cur < limit && !IS_T1_SPACE( *cur ) ) |
| 375 | cur++; |
| 376 | |
| 377 | token->limit = cur; |
| 378 | } |
| 379 | |
| 380 | if ( !token->limit ) |
| 381 | { |
| 382 | token->start = 0; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 383 | token->type = T1_TOKEN_TYPE_NONE; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | parser->cursor = cur; |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 391 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 392 | PS_Parser_ToTokenArray( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 393 | T1_Token tokens, |
| 394 | FT_UInt max_tokens, |
| 395 | FT_Int* pnum_tokens ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 396 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 397 | T1_TokenRec master; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 398 | |
| 399 | |
| 400 | *pnum_tokens = -1; |
| 401 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 402 | PS_Parser_ToToken( parser, &master ); |
| 403 | if ( master.type == T1_TOKEN_TYPE_ARRAY ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 404 | { |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 405 | FT_Byte* old_cursor = parser->cursor; |
| 406 | FT_Byte* old_limit = parser->limit; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 407 | T1_Token cur = tokens; |
| 408 | T1_Token limit = cur + max_tokens; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 409 | |
| 410 | |
| 411 | parser->cursor = master.start; |
| 412 | parser->limit = master.limit; |
| 413 | |
| 414 | while ( parser->cursor < parser->limit ) |
| 415 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 416 | T1_TokenRec token; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 417 | |
| 418 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 419 | PS_Parser_ToToken( parser, &token ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 420 | if ( !token.type ) |
| 421 | break; |
| 422 | |
| 423 | if ( cur < limit ) |
| 424 | *cur = token; |
| 425 | |
| 426 | cur++; |
| 427 | } |
| 428 | |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 429 | *pnum_tokens = (FT_Int)( cur - tokens ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 430 | |
| 431 | parser->cursor = old_cursor; |
| 432 | parser->limit = old_limit; |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 437 | static FT_Long |
Werner Lemberg | b185904 | 2002-05-22 04:53:25 +0000 | [diff] [blame] | 438 | T1Radix( FT_Long radixBase, |
| 439 | FT_Byte** cur, |
| 440 | FT_Byte* limit ) |
| 441 | { |
| 442 | FT_Long result = 0; |
| 443 | FT_Byte radixEndChar0 = |
| 444 | (FT_Byte)( radixBase > 10 ? '9' + 1 : '0' + radixBase ); |
| 445 | FT_Byte radixEndChar1 = |
| 446 | (FT_Byte)( 'A' + radixBase - 10 ); |
| 447 | FT_Byte radixEndChar2 = |
| 448 | (FT_Byte)( 'a' + radixBase - 10 ); |
| 449 | |
| 450 | |
| 451 | while( *cur < limit ) |
| 452 | { |
| 453 | if ( (*cur)[0] >= '0' && (*cur)[0] < radixEndChar0 ) |
| 454 | result = result * radixBase + (*cur)[0] - '0'; |
| 455 | |
| 456 | else if ( radixBase > 10 && |
| 457 | (*cur)[0] >= 'A' && (*cur)[0] < radixEndChar1 ) |
| 458 | result = result * radixBase + ( (*cur)[0] - 'A' + 10 ); |
| 459 | |
| 460 | else if ( radixBase > 10 && |
| 461 | (*cur)[0] >= 'a' && (*cur)[0] < radixEndChar2 ) |
| 462 | result = result * radixBase + ( (*cur)[0] - 'a' + 10 ); |
| 463 | |
| 464 | else |
| 465 | return result; |
| 466 | |
| 467 | (*cur)++; |
| 468 | } |
| 469 | |
| 470 | return result; |
| 471 | } |
| 472 | |
| 473 | |
| 474 | static FT_Long |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 475 | t1_toint( FT_Byte** cursor, |
| 476 | FT_Byte* limit ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 477 | { |
| 478 | FT_Long result = 0; |
| 479 | FT_Byte* cur = *cursor; |
Werner Lemberg | b185904 | 2002-05-22 04:53:25 +0000 | [diff] [blame] | 480 | FT_Byte c = '\0', d; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 481 | |
| 482 | |
| 483 | for ( ; cur < limit; cur++ ) |
| 484 | { |
| 485 | c = *cur; |
| 486 | d = (FT_Byte)( c - '0' ); |
| 487 | if ( d < 10 ) |
| 488 | break; |
| 489 | |
| 490 | if ( c == '-' ) |
| 491 | { |
| 492 | cur++; |
| 493 | break; |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | if ( cur < limit ) |
| 498 | { |
| 499 | do |
| 500 | { |
| 501 | d = (FT_Byte)( cur[0] - '0' ); |
| 502 | if ( d >= 10 ) |
Werner Lemberg | b185904 | 2002-05-22 04:53:25 +0000 | [diff] [blame] | 503 | { |
| 504 | if ( cur[0] == '#' ) |
| 505 | { |
| 506 | cur++; |
| 507 | result = T1Radix( result, &cur, limit ); |
| 508 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 509 | break; |
Werner Lemberg | b185904 | 2002-05-22 04:53:25 +0000 | [diff] [blame] | 510 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 511 | |
| 512 | result = result * 10 + d; |
| 513 | cur++; |
| 514 | |
| 515 | } while ( cur < limit ); |
| 516 | |
| 517 | if ( c == '-' ) |
| 518 | result = -result; |
| 519 | } |
| 520 | |
| 521 | *cursor = cur; |
| 522 | return result; |
| 523 | } |
| 524 | |
| 525 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 526 | static FT_Long |
| 527 | t1_tofixed( FT_Byte** cursor, |
| 528 | FT_Byte* limit, |
| 529 | FT_Long power_ten ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 530 | { |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 531 | FT_Byte* cur = *cursor; |
| 532 | FT_Long num, divider, result; |
| 533 | FT_Int sign = 0; |
| 534 | FT_Byte d; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 535 | |
| 536 | |
| 537 | if ( cur >= limit ) |
| 538 | return 0; |
| 539 | |
| 540 | /* first of all, check the sign */ |
| 541 | if ( *cur == '-' ) |
| 542 | { |
| 543 | sign = 1; |
| 544 | cur++; |
| 545 | } |
| 546 | |
| 547 | /* then, read the integer part, if any */ |
| 548 | if ( *cur != '.' ) |
| 549 | result = t1_toint( &cur, limit ) << 16; |
| 550 | else |
| 551 | result = 0; |
| 552 | |
| 553 | num = 0; |
| 554 | divider = 1; |
| 555 | |
| 556 | if ( cur >= limit ) |
| 557 | goto Exit; |
| 558 | |
| 559 | /* read decimal part, if any */ |
| 560 | if ( *cur == '.' && cur + 1 < limit ) |
| 561 | { |
| 562 | cur++; |
| 563 | |
| 564 | for (;;) |
| 565 | { |
| 566 | d = (FT_Byte)( *cur - '0' ); |
| 567 | if ( d >= 10 ) |
| 568 | break; |
| 569 | |
| 570 | if ( divider < 10000000L ) |
| 571 | { |
| 572 | num = num * 10 + d; |
| 573 | divider *= 10; |
| 574 | } |
| 575 | |
| 576 | cur++; |
| 577 | if ( cur >= limit ) |
| 578 | break; |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | /* read exponent, if any */ |
| 583 | if ( cur + 1 < limit && ( *cur == 'e' || *cur == 'E' ) ) |
| 584 | { |
| 585 | cur++; |
| 586 | power_ten += t1_toint( &cur, limit ); |
| 587 | } |
| 588 | |
| 589 | Exit: |
| 590 | /* raise to power of ten if needed */ |
| 591 | while ( power_ten > 0 ) |
| 592 | { |
| 593 | result = result * 10; |
| 594 | num = num * 10; |
| 595 | power_ten--; |
| 596 | } |
| 597 | |
| 598 | while ( power_ten < 0 ) |
| 599 | { |
| 600 | result = result / 10; |
| 601 | divider = divider * 10; |
| 602 | power_ten++; |
| 603 | } |
| 604 | |
| 605 | if ( num ) |
| 606 | result += FT_DivFix( num, divider ); |
| 607 | |
| 608 | if ( sign ) |
| 609 | result = -result; |
| 610 | |
| 611 | *cursor = cur; |
| 612 | return result; |
| 613 | } |
| 614 | |
| 615 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 616 | static FT_Int |
| 617 | t1_tocoordarray( FT_Byte** cursor, |
| 618 | FT_Byte* limit, |
| 619 | FT_Int max_coords, |
| 620 | FT_Short* coords ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 621 | { |
| 622 | FT_Byte* cur = *cursor; |
| 623 | FT_Int count = 0; |
| 624 | FT_Byte c, ender; |
| 625 | |
| 626 | |
| 627 | if ( cur >= limit ) |
| 628 | goto Exit; |
| 629 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 630 | /* check for the beginning of an array; if not, only one number will */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 631 | /* be read */ |
| 632 | c = *cur; |
| 633 | ender = 0; |
| 634 | |
| 635 | if ( c == '[' ) |
| 636 | ender = ']'; |
| 637 | |
| 638 | if ( c == '{' ) |
| 639 | ender = '}'; |
| 640 | |
| 641 | if ( ender ) |
| 642 | cur++; |
| 643 | |
| 644 | /* now, read the coordinates */ |
| 645 | for ( ; cur < limit; ) |
| 646 | { |
| 647 | /* skip whitespace in front of data */ |
| 648 | for (;;) |
| 649 | { |
| 650 | c = *cur; |
| 651 | if ( c != ' ' && c != '\t' ) |
| 652 | break; |
| 653 | |
| 654 | cur++; |
| 655 | if ( cur >= limit ) |
| 656 | goto Exit; |
| 657 | } |
| 658 | |
| 659 | if ( count >= max_coords || c == ender ) |
| 660 | break; |
| 661 | |
| 662 | coords[count] = (FT_Short)( t1_tofixed( &cur, limit, 0 ) >> 16 ); |
| 663 | count++; |
| 664 | |
| 665 | if ( !ender ) |
| 666 | break; |
| 667 | } |
| 668 | |
| 669 | Exit: |
| 670 | *cursor = cur; |
| 671 | return count; |
| 672 | } |
| 673 | |
| 674 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 675 | static FT_Int |
| 676 | t1_tofixedarray( FT_Byte** cursor, |
| 677 | FT_Byte* limit, |
| 678 | FT_Int max_values, |
| 679 | FT_Fixed* values, |
| 680 | FT_Int power_ten ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 681 | { |
| 682 | FT_Byte* cur = *cursor; |
| 683 | FT_Int count = 0; |
| 684 | FT_Byte c, ender; |
| 685 | |
| 686 | |
| 687 | if ( cur >= limit ) goto Exit; |
| 688 | |
| 689 | /* check for the beginning of an array. If not, only one number will */ |
| 690 | /* be read */ |
| 691 | c = *cur; |
| 692 | ender = 0; |
| 693 | |
| 694 | if ( c == '[' ) |
| 695 | ender = ']'; |
| 696 | |
| 697 | if ( c == '{' ) |
| 698 | ender = '}'; |
| 699 | |
| 700 | if ( ender ) |
| 701 | cur++; |
| 702 | |
| 703 | /* now, read the values */ |
| 704 | for ( ; cur < limit; ) |
| 705 | { |
| 706 | /* skip whitespace in front of data */ |
| 707 | for (;;) |
| 708 | { |
| 709 | c = *cur; |
| 710 | if ( c != ' ' && c != '\t' ) |
| 711 | break; |
| 712 | |
| 713 | cur++; |
| 714 | if ( cur >= limit ) |
| 715 | goto Exit; |
| 716 | } |
| 717 | |
| 718 | if ( count >= max_values || c == ender ) |
| 719 | break; |
| 720 | |
| 721 | values[count] = t1_tofixed( &cur, limit, power_ten ); |
| 722 | count++; |
| 723 | |
| 724 | if ( !ender ) |
| 725 | break; |
| 726 | } |
| 727 | |
| 728 | Exit: |
| 729 | *cursor = cur; |
| 730 | return count; |
| 731 | } |
| 732 | |
| 733 | |
| 734 | #if 0 |
| 735 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 736 | static FT_String* |
| 737 | t1_tostring( FT_Byte** cursor, |
| 738 | FT_Byte* limit, |
| 739 | FT_Memory memory ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 740 | { |
| 741 | FT_Byte* cur = *cursor; |
| 742 | FT_Int len = 0; |
| 743 | FT_Int count; |
| 744 | FT_String* result; |
| 745 | FT_Error error; |
| 746 | |
| 747 | |
| 748 | /* XXX: some stupid fonts have a `Notice' or `Copyright' string */ |
| 749 | /* that simply doesn't begin with an opening parenthesis, even */ |
| 750 | /* though they have a closing one! E.g. "amuncial.pfb" */ |
| 751 | /* */ |
| 752 | /* We must deal with these ill-fated cases there. Note that */ |
| 753 | /* these fonts didn't work with the old Type 1 driver as the */ |
| 754 | /* notice/copyright was not recognized as a valid string token */ |
| 755 | /* and made the old token parser commit errors. */ |
| 756 | |
| 757 | while ( cur < limit && ( *cur == ' ' || *cur == '\t' ) ) |
| 758 | cur++; |
| 759 | if ( cur + 1 >= limit ) |
| 760 | return 0; |
| 761 | |
| 762 | if ( *cur == '(' ) |
| 763 | cur++; /* skip the opening parenthesis, if there is one */ |
| 764 | |
| 765 | *cursor = cur; |
| 766 | count = 0; |
| 767 | |
| 768 | /* then, count its length */ |
| 769 | for ( ; cur < limit; cur++ ) |
| 770 | { |
| 771 | if ( *cur == '(' ) |
| 772 | count++; |
| 773 | |
| 774 | else if ( *cur == ')' ) |
| 775 | { |
| 776 | count--; |
| 777 | if ( count < 0 ) |
| 778 | break; |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | len = cur - *cursor; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 783 | if ( cur >= limit || FT_ALLOC( result, len + 1 ) ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 784 | return 0; |
| 785 | |
| 786 | /* now copy the string */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 787 | FT_MEM_COPY( result, *cursor, len ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 788 | result[len] = '\0'; |
| 789 | *cursor = cur; |
| 790 | return result; |
| 791 | } |
| 792 | |
| 793 | #endif /* 0 */ |
| 794 | |
| 795 | |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 796 | static int |
| 797 | t1_tobool( FT_Byte** cursor, |
| 798 | FT_Byte* limit ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 799 | { |
| 800 | FT_Byte* cur = *cursor; |
| 801 | FT_Bool result = 0; |
| 802 | |
| 803 | |
| 804 | /* return 1 if we find `true', 0 otherwise */ |
| 805 | if ( cur + 3 < limit && |
| 806 | cur[0] == 't' && |
| 807 | cur[1] == 'r' && |
| 808 | cur[2] == 'u' && |
| 809 | cur[3] == 'e' ) |
| 810 | { |
| 811 | result = 1; |
| 812 | cur += 5; |
| 813 | } |
| 814 | else if ( cur + 4 < limit && |
| 815 | cur[0] == 'f' && |
| 816 | cur[1] == 'a' && |
| 817 | cur[2] == 'l' && |
| 818 | cur[3] == 's' && |
| 819 | cur[4] == 'e' ) |
| 820 | { |
| 821 | result = 0; |
| 822 | cur += 6; |
| 823 | } |
| 824 | |
| 825 | *cursor = cur; |
| 826 | return result; |
| 827 | } |
| 828 | |
| 829 | |
| 830 | /* Load a simple field (i.e. non-table) into the current list of objects */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 831 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 832 | PS_Parser_LoadField( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 833 | const T1_Field field, |
| 834 | void** objects, |
| 835 | FT_UInt max_objects, |
| 836 | FT_ULong* pflags ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 837 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 838 | T1_TokenRec token; |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 839 | FT_Byte* cur; |
| 840 | FT_Byte* limit; |
| 841 | FT_UInt count; |
| 842 | FT_UInt idx; |
| 843 | FT_Error error; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 844 | |
| 845 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 846 | PS_Parser_ToToken( parser, &token ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 847 | if ( !token.type ) |
| 848 | goto Fail; |
| 849 | |
| 850 | count = 1; |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 851 | idx = 0; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 852 | cur = token.start; |
| 853 | limit = token.limit; |
| 854 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 855 | /* we must detect arrays */ |
| 856 | if ( field->type == T1_FIELD_TYPE_BBOX ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 857 | { |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 858 | T1_TokenRec token2; |
| 859 | FT_Byte* old_cur = parser->cursor; |
| 860 | FT_Byte* old_limit = parser->limit; |
| 861 | |
| 862 | parser->cursor = token.start; |
| 863 | parser->limit = token.limit; |
| 864 | |
| 865 | PS_Parser_ToToken( parser, &token2 ); |
| 866 | parser->cursor = old_cur; |
| 867 | parser->limit = old_limit; |
| 868 | |
| 869 | if ( token2.type == T1_TOKEN_TYPE_ARRAY ) |
| 870 | goto FieldArray; |
| 871 | } |
| 872 | else if ( token.type == T1_TOKEN_TYPE_ARRAY ) |
| 873 | { |
| 874 | FieldArray: |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 875 | /* if this is an array, and we have no blend, an error occurs */ |
| 876 | if ( max_objects == 0 ) |
| 877 | goto Fail; |
| 878 | |
| 879 | count = max_objects; |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 880 | idx = 1; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 881 | } |
| 882 | |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 883 | for ( ; count > 0; count--, idx++ ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 884 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 885 | FT_Byte* q = (FT_Byte*)objects[idx] + field->offset; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 886 | FT_Long val; |
| 887 | FT_String* string; |
| 888 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 889 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 890 | switch ( field->type ) |
| 891 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 892 | case T1_FIELD_TYPE_BOOL: |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 893 | val = t1_tobool( &cur, limit ); |
| 894 | goto Store_Integer; |
| 895 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 896 | case T1_FIELD_TYPE_FIXED: |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 897 | val = t1_tofixed( &cur, limit, 3 ); |
| 898 | goto Store_Integer; |
| 899 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 900 | case T1_FIELD_TYPE_INTEGER: |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 901 | val = t1_toint( &cur, limit ); |
| 902 | |
| 903 | Store_Integer: |
| 904 | switch ( field->size ) |
| 905 | { |
| 906 | case 1: |
| 907 | *(FT_Byte*)q = (FT_Byte)val; |
| 908 | break; |
| 909 | |
| 910 | case 2: |
| 911 | *(FT_UShort*)q = (FT_UShort)val; |
| 912 | break; |
| 913 | |
| 914 | case 4: |
| 915 | *(FT_UInt32*)q = (FT_UInt32)val; |
| 916 | break; |
| 917 | |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 918 | default: /* for 64-bit systems */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 919 | *(FT_Long*)q = val; |
| 920 | } |
| 921 | break; |
| 922 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 923 | case T1_FIELD_TYPE_STRING: |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 924 | { |
| 925 | FT_Memory memory = parser->memory; |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 926 | FT_UInt len = (FT_UInt)( limit - cur ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 927 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 928 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 929 | if ( *(FT_String**)q ) |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 930 | /* with synthetic fonts, it's possible to find a field twice */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 931 | break; |
| 932 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 933 | if ( FT_ALLOC( string, len + 1 ) ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 934 | goto Exit; |
| 935 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 936 | FT_MEM_COPY( string, cur, len ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 937 | string[len] = 0; |
| 938 | |
| 939 | *(FT_String**)q = string; |
| 940 | } |
| 941 | break; |
| 942 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 943 | case T1_FIELD_TYPE_BBOX: |
| 944 | { |
| 945 | FT_Fixed temp[4]; |
| 946 | FT_BBox* bbox = (FT_BBox*)q; |
| 947 | |
| 948 | /* we need the '[' and ']' delimiters */ |
| 949 | token.start--; |
| 950 | token.limit++; |
| 951 | (void) t1_tofixedarray( &token.start, token.limit, 4, temp, 0 ); |
| 952 | |
| 953 | bbox->xMin = FT_RoundFix( temp[0] ); |
| 954 | bbox->yMin = FT_RoundFix( temp[1] ); |
| 955 | bbox->xMax = FT_RoundFix( temp[2] ); |
| 956 | bbox->yMax = FT_RoundFix( temp[3] ); |
| 957 | } |
| 958 | break; |
| 959 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 960 | default: |
| 961 | /* an error occured */ |
| 962 | goto Fail; |
| 963 | } |
| 964 | } |
| 965 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 966 | #if 0 /* obsolete - keep for reference */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 967 | if ( pflags ) |
| 968 | *pflags |= 1L << field->flag_bit; |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 969 | #else |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 970 | FT_UNUSED( pflags ); |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 971 | #endif |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 972 | |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 973 | error = PSaux_Err_Ok; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 974 | |
| 975 | Exit: |
| 976 | return error; |
| 977 | |
| 978 | Fail: |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 979 | error = PSaux_Err_Invalid_File_Format; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 980 | goto Exit; |
| 981 | } |
| 982 | |
| 983 | |
| 984 | #define T1_MAX_TABLE_ELEMENTS 32 |
| 985 | |
| 986 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 987 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 988 | PS_Parser_LoadFieldTable( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 989 | const T1_Field field, |
| 990 | void** objects, |
| 991 | FT_UInt max_objects, |
| 992 | FT_ULong* pflags ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 993 | { |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 994 | T1_TokenRec elements[T1_MAX_TABLE_ELEMENTS]; |
| 995 | T1_Token token; |
| 996 | FT_Int num_elements; |
| 997 | FT_Error error = 0; |
| 998 | FT_Byte* old_cursor; |
| 999 | FT_Byte* old_limit; |
| 1000 | T1_FieldRec fieldrec = *(T1_Field)field; |
| 1001 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1002 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1003 | #if 1 |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1004 | fieldrec.type = T1_FIELD_TYPE_INTEGER; |
| 1005 | if ( field->type == T1_FIELD_TYPE_FIXED_ARRAY ) |
| 1006 | fieldrec.type = T1_FIELD_TYPE_FIXED; |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1007 | #endif |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1008 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1009 | PS_Parser_ToTokenArray( parser, elements, 32, &num_elements ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1010 | if ( num_elements < 0 ) |
| 1011 | goto Fail; |
| 1012 | |
| 1013 | if ( num_elements > T1_MAX_TABLE_ELEMENTS ) |
| 1014 | num_elements = T1_MAX_TABLE_ELEMENTS; |
| 1015 | |
| 1016 | old_cursor = parser->cursor; |
| 1017 | old_limit = parser->limit; |
| 1018 | |
| 1019 | /* we store the elements count */ |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1020 | *(FT_Byte*)( (FT_Byte*)objects[0] + field->count_offset ) = |
| 1021 | (FT_Byte)num_elements; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1022 | |
| 1023 | /* we now load each element, adjusting the field.offset on each one */ |
| 1024 | token = elements; |
| 1025 | for ( ; num_elements > 0; num_elements--, token++ ) |
| 1026 | { |
| 1027 | parser->cursor = token->start; |
| 1028 | parser->limit = token->limit; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1029 | PS_Parser_LoadField( parser, &fieldrec, objects, max_objects, 0 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1030 | fieldrec.offset += fieldrec.size; |
| 1031 | } |
| 1032 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1033 | #if 0 /* obsolete -- keep for reference */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1034 | if ( pflags ) |
| 1035 | *pflags |= 1L << field->flag_bit; |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1036 | #else |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1037 | FT_UNUSED( pflags ); |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1038 | #endif |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1039 | |
| 1040 | parser->cursor = old_cursor; |
| 1041 | parser->limit = old_limit; |
| 1042 | |
| 1043 | Exit: |
| 1044 | return error; |
| 1045 | |
| 1046 | Fail: |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 1047 | error = PSaux_Err_Invalid_File_Format; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1048 | goto Exit; |
| 1049 | } |
| 1050 | |
| 1051 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1052 | FT_LOCAL_DEF( FT_Long ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1053 | PS_Parser_ToInt( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1054 | { |
| 1055 | return t1_toint( &parser->cursor, parser->limit ); |
| 1056 | } |
| 1057 | |
| 1058 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1059 | FT_LOCAL_DEF( FT_Fixed ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1060 | PS_Parser_ToFixed( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1061 | FT_Int power_ten ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1062 | { |
| 1063 | return t1_tofixed( &parser->cursor, parser->limit, power_ten ); |
| 1064 | } |
| 1065 | |
| 1066 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1067 | FT_LOCAL_DEF( FT_Int ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1068 | PS_Parser_ToCoordArray( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1069 | FT_Int max_coords, |
| 1070 | FT_Short* coords ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1071 | { |
| 1072 | return t1_tocoordarray( &parser->cursor, parser->limit, |
| 1073 | max_coords, coords ); |
| 1074 | } |
| 1075 | |
| 1076 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1077 | FT_LOCAL_DEF( FT_Int ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1078 | PS_Parser_ToFixedArray( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1079 | FT_Int max_values, |
| 1080 | FT_Fixed* values, |
| 1081 | FT_Int power_ten ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1082 | { |
| 1083 | return t1_tofixedarray( &parser->cursor, parser->limit, |
| 1084 | max_values, values, power_ten ); |
| 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | #if 0 |
| 1089 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1090 | FT_LOCAL_DEF( FT_String* ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1091 | T1_ToString( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1092 | { |
| 1093 | return t1_tostring( &parser->cursor, parser->limit, parser->memory ); |
| 1094 | } |
| 1095 | |
| 1096 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1097 | FT_LOCAL_DEF( FT_Bool ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1098 | T1_ToBool( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1099 | { |
| 1100 | return t1_tobool( &parser->cursor, parser->limit ); |
| 1101 | } |
| 1102 | |
| 1103 | #endif /* 0 */ |
| 1104 | |
| 1105 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1106 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1107 | PS_Parser_Init( PS_Parser parser, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1108 | FT_Byte* base, |
| 1109 | FT_Byte* limit, |
| 1110 | FT_Memory memory ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1111 | { |
| 1112 | parser->error = 0; |
| 1113 | parser->base = base; |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1114 | parser->limit = limit; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1115 | parser->cursor = base; |
| 1116 | parser->memory = memory; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1117 | parser->funcs = ps_parser_funcs; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1118 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1119 | |
| 1120 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1121 | FT_LOCAL_DEF( void ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1122 | PS_Parser_Done( PS_Parser parser ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1123 | { |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1124 | FT_UNUSED( parser ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1127 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1128 | /*************************************************************************/ |
| 1129 | /*************************************************************************/ |
| 1130 | /***** *****/ |
| 1131 | /***** T1 BUILDER *****/ |
| 1132 | /***** *****/ |
| 1133 | /*************************************************************************/ |
| 1134 | /*************************************************************************/ |
| 1135 | |
| 1136 | /*************************************************************************/ |
| 1137 | /* */ |
| 1138 | /* <Function> */ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1139 | /* T1_Builder_Init */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1140 | /* */ |
| 1141 | /* <Description> */ |
| 1142 | /* Initializes a given glyph builder. */ |
| 1143 | /* */ |
| 1144 | /* <InOut> */ |
| 1145 | /* builder :: A pointer to the glyph builder to initialize. */ |
| 1146 | /* */ |
| 1147 | /* <Input> */ |
| 1148 | /* face :: The current face object. */ |
| 1149 | /* */ |
| 1150 | /* size :: The current size object. */ |
| 1151 | /* */ |
| 1152 | /* glyph :: The current glyph object. */ |
| 1153 | /* */ |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1154 | /* hinting :: Whether hinting should be applied. */ |
| 1155 | /* */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1156 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1157 | T1_Builder_Init( T1_Builder builder, |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 1158 | FT_Face face, |
| 1159 | FT_Size size, |
David Turner | 5893c1b | 2001-10-18 11:49:26 +0000 | [diff] [blame] | 1160 | FT_GlyphSlot glyph, |
| 1161 | FT_Bool hinting ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1162 | { |
| 1163 | builder->path_begun = 0; |
| 1164 | builder->load_points = 1; |
| 1165 | |
| 1166 | builder->face = face; |
| 1167 | builder->glyph = glyph; |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1168 | builder->memory = face->memory; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1169 | |
| 1170 | if ( glyph ) |
| 1171 | { |
David Turner | 4d57024 | 2002-02-24 02:59:24 +0000 | [diff] [blame] | 1172 | FT_GlyphLoader loader = glyph->internal->loader; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1173 | |
| 1174 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1175 | builder->loader = loader; |
| 1176 | builder->base = &loader->base.outline; |
| 1177 | builder->current = &loader->current.outline; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1178 | FT_GlyphLoader_Rewind( loader ); |
David Turner | 5893c1b | 2001-10-18 11:49:26 +0000 | [diff] [blame] | 1179 | |
| 1180 | builder->hints_globals = size->internal; |
| 1181 | builder->hints_funcs = 0; |
David Turner | 4d57024 | 2002-02-24 02:59:24 +0000 | [diff] [blame] | 1182 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1183 | if ( hinting ) |
David Turner | 5893c1b | 2001-10-18 11:49:26 +0000 | [diff] [blame] | 1184 | builder->hints_funcs = glyph->internal->glyph_hints; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1185 | } |
| 1186 | |
| 1187 | if ( size ) |
| 1188 | { |
| 1189 | builder->scale_x = size->metrics.x_scale; |
| 1190 | builder->scale_y = size->metrics.y_scale; |
| 1191 | } |
| 1192 | |
| 1193 | builder->pos_x = 0; |
| 1194 | builder->pos_y = 0; |
| 1195 | |
| 1196 | builder->left_bearing.x = 0; |
| 1197 | builder->left_bearing.y = 0; |
| 1198 | builder->advance.x = 0; |
| 1199 | builder->advance.y = 0; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1200 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1201 | builder->funcs = t1_builder_funcs; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | |
| 1205 | /*************************************************************************/ |
| 1206 | /* */ |
| 1207 | /* <Function> */ |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1208 | /* T1_Builder_Done */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1209 | /* */ |
| 1210 | /* <Description> */ |
| 1211 | /* Finalizes a given glyph builder. Its contents can still be used */ |
| 1212 | /* after the call, but the function saves important information */ |
| 1213 | /* within the corresponding glyph slot. */ |
| 1214 | /* */ |
| 1215 | /* <Input> */ |
| 1216 | /* builder :: A pointer to the glyph builder to finalize. */ |
| 1217 | /* */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1218 | FT_LOCAL_DEF( void ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1219 | T1_Builder_Done( T1_Builder builder ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1220 | { |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1221 | FT_GlyphSlot glyph = builder->glyph; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1222 | |
| 1223 | |
| 1224 | if ( glyph ) |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1225 | glyph->outline = *builder->base; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1226 | } |
| 1227 | |
| 1228 | |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1229 | /* check that there is enough space for `count' more points */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1230 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1231 | T1_Builder_Check_Points( T1_Builder builder, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1232 | FT_Int count ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1233 | { |
David Turner | eba5ad4 | 2002-03-14 12:56:35 +0000 | [diff] [blame] | 1234 | return FT_GlyphLoader_CheckPoints( builder->loader, count, 0 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1235 | } |
| 1236 | |
| 1237 | |
| 1238 | /* add a new point, do not check space */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1239 | FT_LOCAL_DEF( void ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1240 | T1_Builder_Add_Point( T1_Builder builder, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1241 | FT_Pos x, |
| 1242 | FT_Pos y, |
| 1243 | FT_Byte flag ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1244 | { |
| 1245 | FT_Outline* outline = builder->current; |
| 1246 | |
| 1247 | |
| 1248 | if ( builder->load_points ) |
| 1249 | { |
| 1250 | FT_Vector* point = outline->points + outline->n_points; |
| 1251 | FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points; |
| 1252 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1253 | |
| 1254 | if ( builder->shift ) |
David Turner | 9748807 | 2000-08-22 22:36:33 +0000 | [diff] [blame] | 1255 | { |
| 1256 | x >>= 16; |
| 1257 | y >>= 16; |
| 1258 | } |
| 1259 | point->x = x; |
| 1260 | point->y = y; |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1261 | *control = (FT_Byte)( flag ? FT_Curve_Tag_On : FT_Curve_Tag_Cubic ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1262 | |
| 1263 | builder->last = *point; |
| 1264 | } |
| 1265 | outline->n_points++; |
| 1266 | } |
| 1267 | |
| 1268 | |
| 1269 | /* check space for a new on-curve point, then add it */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1270 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1271 | T1_Builder_Add_Point1( T1_Builder builder, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1272 | FT_Pos x, |
| 1273 | FT_Pos y ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1274 | { |
| 1275 | FT_Error error; |
| 1276 | |
| 1277 | |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1278 | error = T1_Builder_Check_Points( builder, 1 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1279 | if ( !error ) |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1280 | T1_Builder_Add_Point( builder, x, y, 1 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1281 | |
| 1282 | return error; |
| 1283 | } |
| 1284 | |
| 1285 | |
| 1286 | /* check room for a new contour, then add it */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1287 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1288 | T1_Builder_Add_Contour( T1_Builder builder ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1289 | { |
| 1290 | FT_Outline* outline = builder->current; |
| 1291 | FT_Error error; |
| 1292 | |
| 1293 | |
| 1294 | if ( !builder->load_points ) |
| 1295 | { |
| 1296 | outline->n_contours++; |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 1297 | return PSaux_Err_Ok; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1298 | } |
| 1299 | |
David Turner | eba5ad4 | 2002-03-14 12:56:35 +0000 | [diff] [blame] | 1300 | error = FT_GlyphLoader_CheckPoints( builder->loader, 0, 1 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1301 | if ( !error ) |
| 1302 | { |
| 1303 | if ( outline->n_contours > 0 ) |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1304 | outline->contours[outline->n_contours - 1] = |
| 1305 | (short)( outline->n_points - 1 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1306 | |
| 1307 | outline->n_contours++; |
| 1308 | } |
| 1309 | |
| 1310 | return error; |
| 1311 | } |
| 1312 | |
| 1313 | |
| 1314 | /* if a path was begun, add its first on-curve point */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1315 | FT_LOCAL_DEF( FT_Error ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1316 | T1_Builder_Start_Point( T1_Builder builder, |
Werner Lemberg | 545a75f | 2002-03-31 11:18:15 +0000 | [diff] [blame] | 1317 | FT_Pos x, |
| 1318 | FT_Pos y ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1319 | { |
| 1320 | FT_Error error = 0; |
| 1321 | |
| 1322 | |
| 1323 | /* test whether we are building a new contour */ |
| 1324 | if ( !builder->path_begun ) |
| 1325 | { |
| 1326 | builder->path_begun = 1; |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1327 | error = T1_Builder_Add_Contour( builder ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1328 | if ( !error ) |
David Turner | f95a603 | 2000-08-21 04:58:49 +0000 | [diff] [blame] | 1329 | error = T1_Builder_Add_Point1( builder, x, y ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1330 | } |
| 1331 | return error; |
| 1332 | } |
| 1333 | |
| 1334 | |
| 1335 | /* close the current contour */ |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1336 | FT_LOCAL_DEF( void ) |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1337 | T1_Builder_Close_Contour( T1_Builder builder ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1338 | { |
| 1339 | FT_Outline* outline = builder->current; |
| 1340 | |
Werner Lemberg | eadc8df | 2000-10-11 05:52:42 +0000 | [diff] [blame] | 1341 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1342 | /* XXXX: We must not include the last point in the path if it */ |
| 1343 | /* is located on the first point. */ |
| 1344 | if ( outline->n_points > 1 ) |
| 1345 | { |
Werner Lemberg | eadc8df | 2000-10-11 05:52:42 +0000 | [diff] [blame] | 1346 | FT_Int first = 0; |
| 1347 | FT_Vector* p1 = outline->points + first; |
| 1348 | FT_Vector* p2 = outline->points + outline->n_points - 1; |
| 1349 | FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points - 1; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1350 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1351 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1352 | if ( outline->n_contours > 1 ) |
| 1353 | { |
| 1354 | first = outline->contours[outline->n_contours - 2] + 1; |
| 1355 | p1 = outline->points + first; |
| 1356 | } |
| 1357 | |
Werner Lemberg | eadc8df | 2000-10-11 05:52:42 +0000 | [diff] [blame] | 1358 | /* `delete' last point only if it coincides with the first */ |
| 1359 | /* point and it is not a control point (which can happen). */ |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1360 | if ( p1->x == p2->x && p1->y == p2->y ) |
Werner Lemberg | eadc8df | 2000-10-11 05:52:42 +0000 | [diff] [blame] | 1361 | if ( *control == FT_Curve_Tag_On ) |
| 1362 | outline->n_points--; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1363 | } |
| 1364 | |
| 1365 | if ( outline->n_contours > 0 ) |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1366 | outline->contours[outline->n_contours - 1] = |
| 1367 | (short)( outline->n_points - 1 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1371 | /*************************************************************************/ |
| 1372 | /*************************************************************************/ |
| 1373 | /***** *****/ |
| 1374 | /***** OTHER *****/ |
| 1375 | /***** *****/ |
| 1376 | /*************************************************************************/ |
| 1377 | /*************************************************************************/ |
| 1378 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1379 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 93616ec | 2001-06-27 19:46:12 +0000 | [diff] [blame] | 1380 | T1_Decrypt( FT_Byte* buffer, |
| 1381 | FT_Offset length, |
| 1382 | FT_UShort seed ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1383 | { |
| 1384 | while ( length > 0 ) |
| 1385 | { |
| 1386 | FT_Byte plain; |
| 1387 | |
| 1388 | |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1389 | plain = (FT_Byte)( *buffer ^ ( seed >> 8 ) ); |
Werner Lemberg | a560a1e | 2001-07-03 12:45:24 +0000 | [diff] [blame] | 1390 | seed = (FT_UShort)( ( *buffer + seed ) * 52845U + 22719 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1391 | *buffer++ = plain; |
| 1392 | length--; |
| 1393 | } |
| 1394 | } |
| 1395 | |
| 1396 | |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1397 | /* END */ |