Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 3 | /* t1load.c */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 4 | /* */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 5 | /* Type 1 font loader (body). */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 6 | /* */ |
Werner Lemberg | 415235d | 2001-06-28 17:49:10 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001 by */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +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 | |
| 18 | |
| 19 | /*************************************************************************/ |
| 20 | /* */ |
| 21 | /* This is the new and improved Type 1 data loader for FreeType 2. The */ |
| 22 | /* old loader has several problems: it is slow, complex, difficult to */ |
| 23 | /* maintain, and contains incredible hacks to make it accept some */ |
| 24 | /* ill-formed Type 1 fonts without hiccup-ing. Moreover, about 5% of */ |
| 25 | /* the Type 1 fonts on my machine still aren't loaded correctly by it. */ |
| 26 | /* */ |
| 27 | /* This version is much simpler, much faster and also easier to read and */ |
| 28 | /* maintain by a great order of magnitude. The idea behind it is to */ |
| 29 | /* _not_ try to read the Type 1 token stream with a state machine (i.e. */ |
| 30 | /* a Postscript-like interpreter) but rather to perform simple pattern */ |
| 31 | /* matching. */ |
| 32 | /* */ |
| 33 | /* Indeed, nearly all data definitions follow a simple pattern like */ |
| 34 | /* */ |
| 35 | /* ... /Field <data> ... */ |
| 36 | /* */ |
| 37 | /* where <data> can be a number, a boolean, a string, or an array of */ |
| 38 | /* numbers. There are a few exceptions, namely the encoding, font name, */ |
| 39 | /* charstrings, and subrs; they are handled with a special pattern */ |
| 40 | /* matching routine. */ |
| 41 | /* */ |
| 42 | /* All other common cases are handled very simply. The matching rules */ |
| 43 | /* are defined in the file `t1tokens.h' through the use of several */ |
| 44 | /* macros calls PARSE_XXX. */ |
| 45 | /* */ |
| 46 | /* This file is included twice here; the first time to generate parsing */ |
| 47 | /* callback functions, the second to generate a table of keywords (with */ |
| 48 | /* pointers to the associated callback). */ |
| 49 | /* */ |
| 50 | /* The function `parse_dict' simply scans *linearly* a given dictionary */ |
| 51 | /* (either the top-level or private one) and calls the appropriate */ |
| 52 | /* callback when it encounters an immediate keyword. */ |
| 53 | /* */ |
| 54 | /* This is by far the fastest way one can find to parse and read all */ |
| 55 | /* data. */ |
| 56 | /* */ |
| 57 | /* This led to tremendous code size reduction. Note that later, the */ |
| 58 | /* glyph loader will also be _greatly_ simplified, and the automatic */ |
| 59 | /* hinter will replace the clumsy `t1hinter'. */ |
| 60 | /* */ |
| 61 | /*************************************************************************/ |
| 62 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 63 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 64 | #include <ft2build.h> |
| 65 | #include FT_INTERNAL_DEBUG_H |
| 66 | #include FT_CONFIG_CONFIG_H |
| 67 | #include FT_MULTIPLE_MASTERS_H |
| 68 | #include FT_INTERNAL_TYPE1_TYPES_H |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 69 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 70 | #include "t1load.h" |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 71 | |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 72 | #include "t1errors.h" |
| 73 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 74 | #include <string.h> /* for strncmp(), strcmp() */ |
| 75 | #include <ctype.h> /* for isalnum() */ |
| 76 | |
| 77 | |
| 78 | /*************************************************************************/ |
| 79 | /* */ |
| 80 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 81 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 82 | /* messages during execution. */ |
| 83 | /* */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 84 | #undef FT_COMPONENT |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 85 | #define FT_COMPONENT trace_t1load |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 86 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 87 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 88 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 89 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 90 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 91 | /*************************************************************************/ |
| 92 | /*************************************************************************/ |
| 93 | /***** *****/ |
| 94 | /***** MULTIPLE MASTERS SUPPORT *****/ |
| 95 | /***** *****/ |
| 96 | /*************************************************************************/ |
| 97 | /*************************************************************************/ |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 98 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 99 | static FT_Error |
| 100 | t1_allocate_blend( T1_Face face, |
| 101 | FT_UInt num_designs, |
| 102 | FT_UInt num_axis ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 103 | { |
| 104 | T1_Blend* blend; |
| 105 | FT_Memory memory = face->root.memory; |
| 106 | FT_Error error = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 107 | |
| 108 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 109 | blend = face->blend; |
| 110 | if ( !blend ) |
| 111 | { |
| 112 | if ( ALLOC( blend, sizeof ( *blend ) ) ) |
| 113 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 114 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 115 | face->blend = blend; |
| 116 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 117 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 118 | /* allocate design data if needed */ |
| 119 | if ( num_designs > 0 ) |
| 120 | { |
| 121 | if ( blend->num_designs == 0 ) |
| 122 | { |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 123 | FT_UInt nn; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 124 | |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 125 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 126 | /* allocate the blend `private' and `font_info' dictionaries */ |
| 127 | if ( ALLOC_ARRAY( blend->font_infos[1], num_designs, T1_FontInfo ) || |
| 128 | ALLOC_ARRAY( blend->privates[1], num_designs, T1_Private ) || |
| 129 | ALLOC_ARRAY( blend->weight_vector, num_designs * 2, FT_Fixed ) ) |
| 130 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 131 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 132 | blend->default_weight_vector = blend->weight_vector + num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 133 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 134 | blend->font_infos[0] = &face->type1.font_info; |
| 135 | blend->privates [0] = &face->type1.private_dict; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 136 | |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 137 | for ( nn = 2; nn <= num_designs; nn++ ) |
| 138 | { |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 139 | blend->privates[nn] = blend->privates [nn - 1] + 1; |
| 140 | blend->font_infos[nn] = blend->font_infos[nn - 1] + 1; |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 141 | } |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 142 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 143 | blend->num_designs = num_designs; |
| 144 | } |
| 145 | else if ( blend->num_designs != num_designs ) |
| 146 | goto Fail; |
| 147 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 148 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 149 | /* allocate axis data if needed */ |
| 150 | if ( num_axis > 0 ) |
| 151 | { |
| 152 | if ( blend->num_axis != 0 && blend->num_axis != num_axis ) |
| 153 | goto Fail; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 154 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 155 | blend->num_axis = num_axis; |
| 156 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 157 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 158 | /* allocate the blend design pos table if needed */ |
| 159 | num_designs = blend->num_designs; |
| 160 | num_axis = blend->num_axis; |
| 161 | if ( num_designs && num_axis && blend->design_pos[0] == 0 ) |
| 162 | { |
| 163 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 164 | |
| 165 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 166 | if ( ALLOC_ARRAY( blend->design_pos[0], |
| 167 | num_designs * num_axis, FT_Fixed ) ) |
| 168 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 169 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 170 | for ( n = 1; n < num_designs; n++ ) |
| 171 | blend->design_pos[n] = blend->design_pos[0] + num_axis * n; |
| 172 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 173 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 174 | Exit: |
| 175 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 176 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 177 | Fail: |
| 178 | error = -1; |
| 179 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 183 | FT_LOCAL_DEF FT_Error |
| 184 | T1_Get_Multi_Master( T1_Face face, |
| 185 | FT_Multi_Master* master ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 186 | { |
| 187 | T1_Blend* blend = face->blend; |
| 188 | FT_UInt n; |
| 189 | FT_Error error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 190 | |
| 191 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 192 | error = T1_Err_Invalid_Argument; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 193 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 194 | if ( blend ) |
| 195 | { |
| 196 | master->num_axis = blend->num_axis; |
| 197 | master->num_designs = blend->num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 198 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 199 | for ( n = 0; n < blend->num_axis; n++ ) |
| 200 | { |
| 201 | FT_MM_Axis* axis = master->axis + n; |
| 202 | T1_DesignMap* map = blend->design_map + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 203 | |
| 204 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 205 | axis->name = blend->axis_names[n]; |
| 206 | axis->minimum = map->design_points[0]; |
| 207 | axis->maximum = map->design_points[map->num_points - 1]; |
| 208 | } |
| 209 | error = 0; |
| 210 | } |
| 211 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 215 | FT_LOCAL_DEF FT_Error |
| 216 | T1_Set_MM_Blend( T1_Face face, |
| 217 | FT_UInt num_coords, |
| 218 | FT_Fixed* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 219 | { |
| 220 | T1_Blend* blend = face->blend; |
| 221 | FT_Error error; |
| 222 | FT_UInt n, m; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 223 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 224 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 225 | error = T1_Err_Invalid_Argument; |
| 226 | |
| 227 | if ( blend && blend->num_axis == num_coords ) |
| 228 | { |
| 229 | /* recompute the weight vector from the blend coordinates */ |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 230 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 231 | |
| 232 | for ( n = 0; n < blend->num_designs; n++ ) |
| 233 | { |
| 234 | FT_Fixed result = 0x10000L; /* 1.0 fixed */ |
| 235 | |
| 236 | |
| 237 | for ( m = 0; m < blend->num_axis; m++ ) |
| 238 | { |
| 239 | FT_Fixed factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 240 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 241 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 242 | /* get current blend axis position */ |
| 243 | factor = coords[m]; |
| 244 | if ( factor < 0 ) factor = 0; |
| 245 | if ( factor > 0x10000L ) factor = 0x10000L; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 246 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 247 | if ( ( n & ( 1 << m ) ) == 0 ) |
| 248 | factor = 0x10000L - factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 249 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 250 | result = FT_MulFix( result, factor ); |
| 251 | } |
| 252 | blend->weight_vector[n] = result; |
| 253 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 254 | |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 255 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 256 | } |
| 257 | return error; |
| 258 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 259 | |
| 260 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 261 | FT_LOCAL_DEF FT_Error |
| 262 | T1_Set_MM_Design( T1_Face face, |
| 263 | FT_UInt num_coords, |
| 264 | FT_Long* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 265 | { |
| 266 | T1_Blend* blend = face->blend; |
| 267 | FT_Error error; |
| 268 | FT_UInt n, p; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 269 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 270 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 271 | error = T1_Err_Invalid_Argument; |
| 272 | if ( blend && blend->num_axis == num_coords ) |
| 273 | { |
| 274 | /* compute the blend coordinates through the blend design map */ |
| 275 | FT_Fixed final_blends[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 276 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 277 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 278 | for ( n = 0; n < blend->num_axis; n++ ) |
| 279 | { |
| 280 | FT_Long design = coords[n]; |
| 281 | FT_Fixed the_blend; |
| 282 | T1_DesignMap* map = blend->design_map + n; |
| 283 | FT_Fixed* designs = map->design_points; |
| 284 | FT_Fixed* blends = map->blend_points; |
| 285 | FT_Int before = -1, after = -1; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 286 | |
David Turner | efa80f2 | 2000-12-01 21:43:05 +0000 | [diff] [blame] | 287 | for ( p = 0; p < (FT_UInt)map->num_points; p++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 288 | { |
| 289 | FT_Fixed p_design = designs[p]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 290 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 291 | |
| 292 | /* exact match ? */ |
| 293 | if ( design == p_design ) |
| 294 | { |
| 295 | the_blend = blends[p]; |
| 296 | goto Found; |
| 297 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 298 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 299 | if ( design < p_design ) |
| 300 | { |
| 301 | after = p; |
| 302 | break; |
| 303 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 304 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 305 | before = p; |
| 306 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 307 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 308 | /* now, interpolate if needed */ |
| 309 | if ( before < 0 ) |
| 310 | the_blend = blends[0]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 311 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 312 | else if ( after < 0 ) |
| 313 | the_blend = blends[map->num_points - 1]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 314 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 315 | else |
| 316 | the_blend = FT_MulDiv( design - designs[before], |
| 317 | blends [after] - blends [before], |
| 318 | designs[after] - designs[before] ); |
| 319 | |
| 320 | Found: |
| 321 | final_blends[n] = the_blend; |
| 322 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 323 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 324 | error = T1_Set_MM_Blend( face, num_coords, final_blends ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | return error; |
| 328 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 329 | |
| 330 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 331 | FT_LOCAL_DEF void |
| 332 | T1_Done_Blend( T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 333 | { |
| 334 | FT_Memory memory = face->root.memory; |
| 335 | T1_Blend* blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 336 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 337 | |
| 338 | if ( blend ) |
| 339 | { |
| 340 | FT_UInt num_designs = blend->num_designs; |
| 341 | FT_UInt num_axis = blend->num_axis; |
| 342 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 343 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 344 | |
| 345 | /* release design pos table */ |
| 346 | FREE( blend->design_pos[0] ); |
| 347 | for ( n = 1; n < num_designs; n++ ) |
| 348 | blend->design_pos[n] = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 349 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 350 | /* release blend `private' and `font info' dictionaries */ |
| 351 | FREE( blend->privates[1] ); |
| 352 | FREE( blend->font_infos[1] ); |
| 353 | |
| 354 | for ( n = 0; n < num_designs; n++ ) |
| 355 | { |
| 356 | blend->privates [n] = 0; |
| 357 | blend->font_infos[n] = 0; |
| 358 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 359 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 360 | /* release weight vectors */ |
| 361 | FREE( blend->weight_vector ); |
| 362 | blend->default_weight_vector = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 363 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 364 | /* release axis names */ |
| 365 | for ( n = 0; n < num_axis; n++ ) |
| 366 | FREE( blend->axis_names[n] ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 367 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 368 | /* release design map */ |
| 369 | for ( n = 0; n < num_axis; n++ ) |
| 370 | { |
| 371 | T1_DesignMap* dmap = blend->design_map + n; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 372 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 373 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 374 | FREE( dmap->design_points ); |
| 375 | dmap->num_points = 0; |
| 376 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 377 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 378 | FREE( face->blend ); |
| 379 | } |
| 380 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 381 | |
| 382 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 383 | static void |
| 384 | parse_blend_axis_types( T1_Face face, |
| 385 | T1_Loader* loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 386 | { |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 387 | T1_Token axis_tokens[ T1_MAX_MM_AXIS ]; |
| 388 | FT_Int n, num_axis; |
| 389 | FT_Error error = 0; |
| 390 | T1_Blend* blend; |
| 391 | FT_Memory memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 392 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 393 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 394 | /* take an array of objects */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 395 | T1_ToTokenArray( &loader->parser, axis_tokens, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 396 | T1_MAX_MM_AXIS, &num_axis ); |
| 397 | if ( num_axis <= 0 || num_axis > T1_MAX_MM_AXIS ) |
| 398 | { |
| 399 | FT_ERROR(( "parse_blend_axis_types: incorrect number of axes: %d\n", |
| 400 | num_axis )); |
| 401 | error = T1_Err_Invalid_File_Format; |
| 402 | goto Exit; |
| 403 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 404 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 405 | /* allocate blend if necessary */ |
| 406 | error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); |
| 407 | if ( error ) |
| 408 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 409 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 410 | blend = face->blend; |
| 411 | memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 412 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 413 | /* each token is an immediate containing the name of the axis */ |
| 414 | for ( n = 0; n < num_axis; n++ ) |
| 415 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 416 | T1_Token* token = axis_tokens + n; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 417 | FT_Byte* name; |
| 418 | FT_Int len; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 419 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 420 | /* skip first slash, if any */ |
| 421 | if (token->start[0] == '/') |
| 422 | token->start++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 423 | |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 424 | len = (FT_Int)( token->limit - token->start ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 425 | if ( len <= 0 ) |
| 426 | { |
| 427 | error = T1_Err_Invalid_File_Format; |
| 428 | goto Exit; |
| 429 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 430 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 431 | if ( ALLOC( blend->axis_names[n], len + 1 ) ) |
| 432 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 433 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 434 | name = (FT_Byte*)blend->axis_names[n]; |
| 435 | MEM_Copy( name, token->start, len ); |
| 436 | name[len] = 0; |
| 437 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 438 | |
| 439 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 440 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 441 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 442 | |
| 443 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 444 | static void |
| 445 | parse_blend_design_positions( T1_Face face, |
| 446 | T1_Loader* loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 447 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 448 | T1_Token design_tokens[ T1_MAX_MM_DESIGNS ]; |
| 449 | FT_Int num_designs; |
| 450 | FT_Int num_axis; |
| 451 | T1_ParserRec* parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 452 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 453 | FT_Error error = 0; |
| 454 | T1_Blend* blend; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 455 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 456 | |
| 457 | /* get the array of design tokens - compute number of designs */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 458 | T1_ToTokenArray( parser, design_tokens, T1_MAX_MM_DESIGNS, &num_designs ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 459 | if ( num_designs <= 0 || num_designs > T1_MAX_MM_DESIGNS ) |
| 460 | { |
| 461 | FT_ERROR(( "parse_blend_design_positions:" )); |
| 462 | FT_ERROR(( " incorrect number of designs: %d\n", |
| 463 | num_designs )); |
| 464 | error = T1_Err_Invalid_File_Format; |
| 465 | goto Exit; |
| 466 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 467 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 468 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 469 | FT_Byte* old_cursor = parser->root.cursor; |
| 470 | FT_Byte* old_limit = parser->root.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 471 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 472 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 473 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 474 | blend = face->blend; |
| 475 | num_axis = 0; /* make compiler happy */ |
| 476 | |
| 477 | for ( n = 0; n < (FT_UInt)num_designs; n++ ) |
| 478 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 479 | T1_Token axis_tokens[ T1_MAX_MM_DESIGNS ]; |
| 480 | T1_Token* token; |
| 481 | FT_Int axis, n_axis; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 482 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 483 | |
| 484 | /* read axis/coordinates tokens */ |
| 485 | token = design_tokens + n; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 486 | parser->root.cursor = token->start - 1; |
| 487 | parser->root.limit = token->limit + 1; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 488 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &n_axis ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 489 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 490 | if ( n == 0 ) |
| 491 | { |
| 492 | num_axis = n_axis; |
| 493 | error = t1_allocate_blend( face, num_designs, num_axis ); |
| 494 | if ( error ) |
| 495 | goto Exit; |
| 496 | blend = face->blend; |
| 497 | } |
| 498 | else if ( n_axis != num_axis ) |
| 499 | { |
| 500 | FT_ERROR(( "parse_blend_design_positions: incorrect table\n" )); |
| 501 | error = T1_Err_Invalid_File_Format; |
| 502 | goto Exit; |
| 503 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 504 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 505 | /* now, read each axis token into the design position */ |
| 506 | for ( axis = 0; axis < n_axis; axis++ ) |
| 507 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 508 | T1_Token* token2 = axis_tokens + axis; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 509 | |
| 510 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 511 | parser->root.cursor = token2->start; |
| 512 | parser->root.limit = token2->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 513 | blend->design_pos[n][axis] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 514 | } |
| 515 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 516 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 517 | loader->parser.root.cursor = old_cursor; |
| 518 | loader->parser.root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 519 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 520 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 521 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 522 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 523 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 524 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 525 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 526 | static void |
| 527 | parse_blend_design_map( T1_Face face, |
| 528 | T1_Loader* loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 529 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 530 | FT_Error error = 0; |
| 531 | T1_ParserRec* parser = &loader->parser; |
| 532 | T1_Blend* blend; |
| 533 | T1_Token axis_tokens[ T1_MAX_MM_AXIS ]; |
| 534 | FT_Int n, num_axis; |
| 535 | FT_Byte* old_cursor; |
| 536 | FT_Byte* old_limit; |
| 537 | FT_Memory memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 538 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 539 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 540 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &num_axis ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 541 | if ( num_axis <= 0 || num_axis > T1_MAX_MM_AXIS ) |
| 542 | { |
| 543 | FT_ERROR(( "parse_blend_design_map: incorrect number of axes: %d\n", |
| 544 | num_axis )); |
| 545 | error = T1_Err_Invalid_File_Format; |
| 546 | goto Exit; |
| 547 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 548 | old_cursor = parser->root.cursor; |
| 549 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 550 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 551 | error = t1_allocate_blend( face, 0, num_axis ); |
| 552 | if ( error ) |
| 553 | goto Exit; |
| 554 | blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 555 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 556 | /* now, read each axis design map */ |
| 557 | for ( n = 0; n < num_axis; n++ ) |
| 558 | { |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 559 | T1_DesignMap* map = blend->design_map + n; |
| 560 | T1_Token* token; |
| 561 | FT_Int p, num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 562 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 563 | |
| 564 | token = axis_tokens + n; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 565 | parser->root.cursor = token->start; |
| 566 | parser->root.limit = token->limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 567 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 568 | /* count the number of map points */ |
| 569 | { |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 570 | FT_Byte* ptr = token->start; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 571 | FT_Byte* limit = token->limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 572 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 573 | |
| 574 | num_points = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 575 | for ( ; ptr < limit; ptr++ ) |
| 576 | if ( ptr[0] == '[' ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 577 | num_points++; |
| 578 | } |
| 579 | if ( num_points <= 0 || num_points > T1_MAX_MM_MAP_POINTS ) |
| 580 | { |
| 581 | FT_ERROR(( "parse_blend_design_map: incorrect table\n" )); |
| 582 | error = T1_Err_Invalid_File_Format; |
| 583 | goto Exit; |
| 584 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 585 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 586 | /* allocate design map data */ |
| 587 | if ( ALLOC_ARRAY( map->design_points, num_points * 2, FT_Fixed ) ) |
| 588 | goto Exit; |
| 589 | map->blend_points = map->design_points + num_points; |
| 590 | map->num_points = (FT_Byte)num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 591 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 592 | for ( p = 0; p < num_points; p++ ) |
| 593 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 594 | map->design_points[p] = T1_ToInt( parser ); |
| 595 | map->blend_points [p] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 596 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 597 | } |
| 598 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 599 | parser->root.cursor = old_cursor; |
| 600 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 601 | |
| 602 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 603 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 604 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 605 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 606 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 607 | static void |
| 608 | parse_weight_vector( T1_Face face, |
| 609 | T1_Loader* loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 610 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 611 | FT_Error error = 0; |
| 612 | T1_ParserRec* parser = &loader->parser; |
| 613 | T1_Blend* blend = face->blend; |
| 614 | T1_Token master; |
| 615 | FT_UInt n; |
| 616 | FT_Byte* old_cursor; |
| 617 | FT_Byte* old_limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 618 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 619 | |
| 620 | if ( !blend || blend->num_designs == 0 ) |
| 621 | { |
| 622 | FT_ERROR(( "parse_weight_vector: too early!\n" )); |
| 623 | error = T1_Err_Invalid_File_Format; |
| 624 | goto Exit; |
| 625 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 626 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 627 | T1_ToToken( parser, &master ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 628 | if ( master.type != t1_token_array ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 629 | { |
| 630 | FT_ERROR(( "parse_weight_vector: incorrect format!\n" )); |
| 631 | error = T1_Err_Invalid_File_Format; |
| 632 | goto Exit; |
| 633 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 634 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 635 | old_cursor = parser->root.cursor; |
| 636 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 637 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 638 | parser->root.cursor = master.start; |
| 639 | parser->root.limit = master.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 640 | |
| 641 | for ( n = 0; n < blend->num_designs; n++ ) |
| 642 | { |
| 643 | blend->default_weight_vector[n] = |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 644 | blend->weight_vector[n] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 645 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 646 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 647 | parser->root.cursor = old_cursor; |
| 648 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 649 | |
| 650 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 651 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 652 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 653 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 654 | |
| 655 | /* the keyword `/shareddict' appears in some multiple master fonts */ |
| 656 | /* with a lot of Postscript garbage behind it (that's completely out */ |
| 657 | /* of spec!); we detect it and terminate the parsing */ |
| 658 | /* */ |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 659 | static void |
| 660 | parse_shared_dict( T1_Face face, |
| 661 | T1_Loader* loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 662 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 663 | T1_ParserRec* parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 664 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 665 | FT_UNUSED( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 666 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 667 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 668 | parser->root.cursor = parser->root.limit; |
| 669 | parser->root.error = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 670 | } |
| 671 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 672 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 673 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 674 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 675 | /*************************************************************************/ |
| 676 | /*************************************************************************/ |
| 677 | /***** *****/ |
| 678 | /***** TYPE 1 SYMBOL PARSING *****/ |
| 679 | /***** *****/ |
| 680 | /*************************************************************************/ |
| 681 | /*************************************************************************/ |
| 682 | |
| 683 | |
| 684 | /*************************************************************************/ |
| 685 | /* */ |
| 686 | /* First of all, define the token field static variables. This is a set */ |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 687 | /* of T1_Field variables used later. */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 688 | /* */ |
| 689 | /*************************************************************************/ |
| 690 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 691 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 692 | static FT_Error |
| 693 | t1_load_keyword( T1_Face face, |
| 694 | T1_Loader* loader, |
| 695 | T1_Field* field ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 696 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 697 | FT_Error error; |
| 698 | void* dummy_object; |
| 699 | void** objects; |
| 700 | FT_UInt max_objects; |
| 701 | T1_Blend* blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 702 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 703 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 704 | /* if the keyword has a dedicated callback, call it */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 705 | if ( field->type == t1_field_callback ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 706 | { |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 707 | field->reader( (FT_Face)face, loader ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 708 | error = loader->parser.root.error; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 709 | goto Exit; |
| 710 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 711 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 712 | /* now, the keyword is either a simple field, or a table of fields; */ |
| 713 | /* we are now going to take care of it */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 714 | switch ( field->location ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 715 | { |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 716 | case t1_field_font_info: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 717 | dummy_object = &face->type1.font_info; |
| 718 | objects = &dummy_object; |
| 719 | max_objects = 0; |
| 720 | |
| 721 | if ( blend ) |
| 722 | { |
| 723 | objects = (void**)blend->font_infos; |
| 724 | max_objects = blend->num_designs; |
| 725 | } |
| 726 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 727 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 728 | case t1_field_private: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 729 | dummy_object = &face->type1.private_dict; |
| 730 | objects = &dummy_object; |
| 731 | max_objects = 0; |
| 732 | |
| 733 | if ( blend ) |
| 734 | { |
| 735 | objects = (void**)blend->privates; |
| 736 | max_objects = blend->num_designs; |
| 737 | } |
| 738 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 739 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 740 | default: |
| 741 | dummy_object = &face->type1; |
| 742 | objects = &dummy_object; |
| 743 | max_objects = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 744 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 745 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 746 | if ( field->type == t1_field_integer_array || |
| 747 | field->type == t1_field_fixed_array ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 748 | error = T1_Load_Field_Table( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 749 | objects, max_objects, 0 ); |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 750 | else |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 751 | error = T1_Load_Field( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 752 | objects, max_objects, 0 ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 753 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 754 | Exit: |
| 755 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 756 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 757 | |
| 758 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 759 | static int |
| 760 | is_space( FT_Byte c ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 761 | { |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 762 | return ( c == ' ' || c == '\t' || c == '\r' || c == '\n' ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 763 | } |
| 764 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 765 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 766 | static int |
| 767 | is_alpha( FT_Byte c ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 768 | { |
David Turner | 8ab0add | 2001-08-30 07:59:28 +0000 | [diff] [blame] | 769 | /* Note: we must accept "+" as a valid character, as it is used in */ |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame^] | 770 | /* embedded type1 fonts in PDF documents. */ |
David Turner | 8ab0add | 2001-08-30 07:59:28 +0000 | [diff] [blame] | 771 | /* */ |
| 772 | return ( isalnum( c ) || c == '.' || c == '_' || c == '-' || c == '+' ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 773 | } |
| 774 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 775 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 776 | static int |
| 777 | read_binary_data( T1_ParserRec* parser, |
| 778 | FT_Int* size, |
| 779 | FT_Byte** base ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 780 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 781 | FT_Byte* cur; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 782 | FT_Byte* limit = parser->root.limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 783 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 784 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 785 | /* the binary data has the following format */ |
| 786 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 787 | /* `size' [white*] RD white ....... ND */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 788 | /* */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 789 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 790 | T1_Skip_Spaces( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 791 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 792 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 793 | if ( cur < limit && (FT_Byte)( *cur - '0' ) < 10 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 794 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 795 | *size = T1_ToInt( parser ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 796 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 797 | T1_Skip_Spaces( parser ); |
| 798 | T1_Skip_Alpha ( parser ); /* `RD' or `-|' or something else */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 799 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 800 | /* there is only one whitespace char after the */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 801 | /* `RD' or `-|' token */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 802 | *base = parser->root.cursor + 1; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 803 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 804 | parser->root.cursor += *size + 1; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 805 | return 1; |
| 806 | } |
| 807 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 808 | FT_ERROR(( "read_binary_data: invalid size field\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 809 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 810 | return 0; |
| 811 | } |
| 812 | |
| 813 | |
| 814 | /* we will now define the routines used to handle */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 815 | /* the `/Encoding', `/Subrs', and `/CharStrings' */ |
| 816 | /* dictionaries */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 817 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 818 | static void |
| 819 | parse_font_name( T1_Face face, |
| 820 | T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 821 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 822 | T1_ParserRec* parser = &loader->parser; |
| 823 | FT_Error error; |
| 824 | FT_Memory memory = parser->root.memory; |
| 825 | FT_Int len; |
| 826 | FT_Byte* cur; |
| 827 | FT_Byte* cur2; |
| 828 | FT_Byte* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 829 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 830 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 831 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 832 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 833 | cur = parser->root.cursor; |
| 834 | limit = parser->root.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 835 | |
| 836 | if ( cur >= limit - 1 || *cur != '/' ) |
| 837 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 838 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 839 | cur++; |
| 840 | cur2 = cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 841 | while ( cur2 < limit && is_alpha( *cur2 ) ) |
| 842 | cur2++; |
| 843 | |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 844 | len = (FT_Int)( cur2 - cur ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 845 | if ( len > 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 846 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 847 | if ( ALLOC( face->type1.font_name, len + 1 ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 848 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 849 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 850 | return; |
| 851 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 852 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 853 | MEM_Copy( face->type1.font_name, cur, len ); |
| 854 | face->type1.font_name[len] = '\0'; |
| 855 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 856 | parser->root.cursor = cur2; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 857 | } |
| 858 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 859 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 860 | static void |
| 861 | parse_font_bbox( T1_Face face, |
| 862 | T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 863 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 864 | T1_ParserRec* parser = &loader->parser; |
Tom Kacvinsky | 5d362b6 | 2001-03-10 19:08:44 +0000 | [diff] [blame] | 865 | FT_Fixed temp[4]; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 866 | FT_BBox* bbox = &face->type1.font_bbox; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 867 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 868 | |
Tom Kacvinsky | 5d362b6 | 2001-03-10 19:08:44 +0000 | [diff] [blame] | 869 | (void)T1_ToFixedArray( parser, 4, temp, 0 ); |
| 870 | bbox->xMin = FT_RoundFix( temp[0] ); |
| 871 | bbox->yMin = FT_RoundFix( temp[1] ); |
| 872 | bbox->xMax = FT_RoundFix( temp[2] ); |
| 873 | bbox->yMax = FT_RoundFix( temp[3] ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 874 | } |
| 875 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 876 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 877 | static void |
| 878 | parse_font_matrix( T1_Face face, |
| 879 | T1_Loader* loader ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 880 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 881 | T1_ParserRec* parser = &loader->parser; |
| 882 | FT_Matrix* matrix = &face->type1.font_matrix; |
| 883 | FT_Vector* offset = &face->type1.font_offset; |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 884 | FT_Face root = (FT_Face)&face->root; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 885 | FT_Fixed temp[6]; |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 886 | FT_Fixed temp_scale; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 887 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 888 | |
Just van Rossum | 7c64409 | 2000-08-01 04:29:25 +0000 | [diff] [blame] | 889 | if ( matrix->xx || matrix->yx ) |
| 890 | /* with synthetic fonts, it's possible we get here twice */ |
| 891 | return; |
| 892 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 893 | (void)T1_ToFixedArray( parser, 6, temp, 3 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 894 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 895 | temp_scale = ABS( temp[3] ); |
| 896 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame^] | 897 | /* Set Units per EM based on FontMatrix values. We set the value to */ |
| 898 | /* 1000 / temp_scale, because temp_scale was already multiplied by */ |
| 899 | /* 1000 (in t1_tofixed, from psobjs.c). */ |
Tom Kacvinsky | f3dad68 | 2001-03-19 13:52:31 +0000 | [diff] [blame] | 900 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame^] | 901 | root->units_per_EM = (FT_UShort)( FT_DivFix( 1000 * 0x10000L, |
| 902 | temp_scale ) >> 16 ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 903 | |
| 904 | /* we need to scale the values by 1.0/temp_scale */ |
| 905 | if ( temp_scale != 0x10000L ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 906 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 907 | temp[0] = FT_DivFix( temp[0], temp_scale ); |
| 908 | temp[1] = FT_DivFix( temp[1], temp_scale ); |
| 909 | temp[2] = FT_DivFix( temp[2], temp_scale ); |
| 910 | temp[4] = FT_DivFix( temp[4], temp_scale ); |
| 911 | temp[5] = FT_DivFix( temp[5], temp_scale ); |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 912 | temp[3] = 0x10000L; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 913 | } |
| 914 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 915 | matrix->xx = temp[0]; |
| 916 | matrix->yx = temp[1]; |
| 917 | matrix->xy = temp[2]; |
| 918 | matrix->yy = temp[3]; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 919 | |
Werner Lemberg | 6fbe4db | 2000-10-05 04:53:31 +0000 | [diff] [blame] | 920 | /* note that the offsets must be expressed in integer font units */ |
David Turner | f00a4de | 2000-10-03 22:03:09 +0000 | [diff] [blame] | 921 | offset->x = temp[4] >> 16; |
| 922 | offset->y = temp[5] >> 16; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 923 | } |
| 924 | |
| 925 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 926 | static void |
| 927 | parse_encoding( T1_Face face, |
| 928 | T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 929 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 930 | T1_ParserRec* parser = &loader->parser; |
| 931 | FT_Byte* cur = parser->root.cursor; |
| 932 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 933 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 934 | PSAux_Interface* psaux = (PSAux_Interface*)face->psaux; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 935 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 936 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 937 | /* skip whitespace */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 938 | while ( is_space( *cur ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 939 | { |
| 940 | cur++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 941 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 942 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 943 | FT_ERROR(( "parse_encoding: out of bounds!\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 944 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 945 | return; |
| 946 | } |
| 947 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 948 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 949 | /* if we have a number, then the encoding is an array, */ |
| 950 | /* and we must load it now */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 951 | if ( (FT_Byte)( *cur - '0' ) < 10 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 952 | { |
| 953 | T1_Encoding* encode = &face->type1.encoding; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 954 | FT_Int count, n; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 955 | PS_Table* char_table = &loader->encoding_table; |
| 956 | FT_Memory memory = parser->root.memory; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 957 | FT_Error error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 958 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 959 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 960 | /* read the number of entries in the encoding, should be 256 */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 961 | count = T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 962 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 963 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 964 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 965 | /* we use a T1_Table to store our charnames */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 966 | encode->num_chars = count; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 967 | if ( ALLOC_ARRAY( encode->char_index, count, FT_Short ) || |
| 968 | ALLOC_ARRAY( encode->char_name, count, FT_String* ) || |
| 969 | ( error = psaux->ps_table_funcs->init( |
| 970 | char_table, count, memory ) ) != 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 971 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 972 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 973 | return; |
| 974 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 975 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 976 | /* We need to `zero' out encoding_table.elements */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 977 | for ( n = 0; n < count; n++ ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 978 | { |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 979 | char* notdef = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 980 | |
| 981 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 982 | T1_Add_Table( char_table, n, notdef, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 983 | } |
| 984 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 985 | /* Now, we will need to read a record of the form */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 986 | /* ... charcode /charname ... for each entry in our table */ |
| 987 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 988 | /* We simply look for a number followed by an immediate */ |
| 989 | /* name. Note that this ignores correctly the sequence */ |
| 990 | /* that is often seen in type1 fonts: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 991 | /* */ |
| 992 | /* 0 1 255 { 1 index exch /.notdef put } for dup */ |
| 993 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 994 | /* used to clean the encoding array before anything else. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 995 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 996 | /* We stop when we encounter a `def'. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 997 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 998 | cur = parser->root.cursor; |
| 999 | limit = parser->root.limit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1000 | n = 0; |
| 1001 | |
| 1002 | for ( ; cur < limit; ) |
| 1003 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1004 | FT_Byte c; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1005 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1006 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1007 | c = *cur; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1008 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1009 | /* we stop when we encounter a `def' */ |
| 1010 | if ( c == 'd' && cur + 3 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1011 | { |
| 1012 | if ( cur[1] == 'e' && |
| 1013 | cur[2] == 'f' && |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1014 | is_space(cur[-1]) && |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1015 | is_space(cur[3]) ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1016 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1017 | FT_TRACE6(( "encoding end\n" )); |
| 1018 | break; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1019 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1020 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1021 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1022 | /* otherwise, we must find a number before anything else */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1023 | if ( (FT_Byte)( c - '0' ) < 10 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1024 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1025 | FT_Int charcode; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1026 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1027 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1028 | parser->root.cursor = cur; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1029 | charcode = T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1030 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1031 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1032 | /* skip whitespace */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1033 | while ( cur < limit && is_space( *cur ) ) |
| 1034 | cur++; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1035 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1036 | if ( cur < limit && *cur == '/' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1037 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1038 | /* bingo, we have an immediate name -- it must be a */ |
| 1039 | /* character name */ |
| 1040 | FT_Byte* cur2 = cur + 1; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1041 | FT_Int len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1042 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1043 | |
| 1044 | while ( cur2 < limit && is_alpha( *cur2 ) ) |
| 1045 | cur2++; |
| 1046 | |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 1047 | len = (FT_Int)( cur2 - cur - 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1048 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1049 | parser->root.error = T1_Add_Table( char_table, charcode, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1050 | cur + 1, len + 1 ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1051 | char_table->elements[charcode][len] = '\0'; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1052 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1053 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1054 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1055 | cur = cur2; |
| 1056 | } |
| 1057 | } |
| 1058 | else |
| 1059 | cur++; |
| 1060 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1061 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1062 | face->type1.encoding_type = t1_encoding_array; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1063 | parser->root.cursor = cur; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1064 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1065 | /* Otherwise, we should have either `StandardEncoding' or */ |
| 1066 | /* `ExpertEncoding' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1067 | else |
| 1068 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1069 | if ( cur + 17 < limit && |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 1070 | strncmp( (const char*)cur, "StandardEncoding", 16 ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1071 | face->type1.encoding_type = t1_encoding_standard; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1072 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1073 | else if ( cur + 15 < limit && |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 1074 | strncmp( (const char*)cur, "ExpertEncoding", 14 ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1075 | face->type1.encoding_type = t1_encoding_expert; |
| 1076 | |
| 1077 | else |
| 1078 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1079 | FT_ERROR(( "parse_encoding: invalid token!\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1080 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1081 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1086 | static void |
| 1087 | parse_subrs( T1_Face face, |
| 1088 | T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1089 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1090 | T1_ParserRec* parser = &loader->parser; |
| 1091 | PS_Table* table = &loader->subrs; |
| 1092 | FT_Memory memory = parser->root.memory; |
| 1093 | FT_Error error; |
| 1094 | FT_Int n; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1095 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1096 | PSAux_Interface* psaux = (PSAux_Interface*)face->psaux; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1097 | |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1098 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1099 | loader->num_subrs = T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1100 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1101 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1102 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1103 | /* position the parser right before the `dup' of the first subr */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1104 | T1_Skip_Spaces( parser ); |
| 1105 | T1_Skip_Alpha( parser ); /* `array' */ |
| 1106 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1107 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1108 | /* initialize subrs array */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1109 | error = psaux->ps_table_funcs->init( table, loader->num_subrs, memory ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1110 | if ( error ) |
| 1111 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1112 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1113 | /* the format is simple: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1114 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1115 | /* `index' + binary data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1116 | /* */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1117 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1118 | for ( n = 0; n < loader->num_subrs; n++ ) |
| 1119 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1120 | FT_Int index, size; |
| 1121 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1122 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1123 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1124 | /* If the next token isn't `dup', we are also done. This */ |
| 1125 | /* happens when there are `holes' in the Subrs array. */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1126 | if ( strncmp( (char*)parser->root.cursor, "dup", 3 ) != 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1127 | break; |
| 1128 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1129 | index = T1_ToInt( parser ); |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1130 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1131 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1132 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1133 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1134 | /* The binary string is followed by one token, e.g. `NP' */ |
| 1135 | /* (bound to `noaccess put') or by two separate tokens: */ |
| 1136 | /* `noaccess' & `put'. We position the parser right */ |
| 1137 | /* before the next `dup', if any. */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1138 | T1_Skip_Spaces( parser ); |
| 1139 | T1_Skip_Alpha( parser ); /* `NP' or `I' or `noaccess' */ |
| 1140 | T1_Skip_Spaces( parser ); |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1141 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1142 | if ( strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1143 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1144 | T1_Skip_Alpha( parser ); /* skip `put' */ |
| 1145 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1148 | /* some fonts use a value of -1 for lenIV to indicate that */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1149 | /* the charstrings are unencoded */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1150 | /* */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1151 | /* thanks to Tom Kacvinsky for pointing this out */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1152 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1153 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1154 | { |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1155 | psaux->t1_decrypt( base, size, 4330 ); |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1156 | size -= face->type1.private_dict.lenIV; |
| 1157 | base += face->type1.private_dict.lenIV; |
| 1158 | } |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1159 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1160 | error = T1_Add_Table( table, index, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1161 | if ( error ) |
| 1162 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1163 | } |
| 1164 | return; |
| 1165 | |
| 1166 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1167 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1168 | } |
| 1169 | |
| 1170 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1171 | static void |
| 1172 | parse_charstrings( T1_Face face, |
| 1173 | T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1174 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1175 | T1_ParserRec* parser = &loader->parser; |
| 1176 | PS_Table* code_table = &loader->charstrings; |
| 1177 | PS_Table* name_table = &loader->glyph_names; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1178 | PS_Table* swap_table = &loader->swap_table; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1179 | FT_Memory memory = parser->root.memory; |
| 1180 | FT_Error error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1181 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1182 | PSAux_Interface* psaux = (PSAux_Interface*)face->psaux; |
| 1183 | |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1184 | FT_Byte* cur; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1185 | FT_Byte* limit = parser->root.limit; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1186 | FT_Int n; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1187 | FT_UInt notdef_index = 0; |
| 1188 | FT_Byte notdef_found = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1189 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1190 | |
Just van Rossum | 7c64409 | 2000-08-01 04:29:25 +0000 | [diff] [blame] | 1191 | if ( loader->num_glyphs ) |
| 1192 | /* with synthetic fonts, it's possible we get here twice */ |
| 1193 | return; |
| 1194 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1195 | loader->num_glyphs = T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1196 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1197 | return; |
| 1198 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1199 | /* initialize tables (leaving room for addition of .notdef, */ |
David Turner | 09d55ce | 2001-05-11 18:08:58 +0000 | [diff] [blame] | 1200 | /* if necessary). */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1201 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1202 | error = psaux->ps_table_funcs->init( code_table, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1203 | loader->num_glyphs + 1, |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1204 | memory ); |
| 1205 | if ( error ) |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1206 | goto Fail; |
| 1207 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1208 | error = psaux->ps_table_funcs->init( name_table, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1209 | loader->num_glyphs + 1, |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1210 | memory ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1211 | if ( error ) |
| 1212 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1213 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1214 | /* Initialize table for swapping index notdef_index and */ |
| 1215 | /* index 0 names and codes (if necessary). */ |
| 1216 | |
| 1217 | error = psaux->ps_table_funcs->init( swap_table, 4, memory ); |
| 1218 | |
| 1219 | if ( error ) |
| 1220 | goto Fail; |
| 1221 | |
| 1222 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1223 | n = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1224 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1225 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1226 | FT_Int size; |
| 1227 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1228 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1229 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1230 | /* the format is simple: */ |
| 1231 | /* `/glyphname' + binary data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1232 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1233 | /* note that we stop when we find a `def' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1234 | /* */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1235 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1236 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1237 | cur = parser->root.cursor; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1238 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1239 | break; |
| 1240 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1241 | /* we stop when we find a `def' or `end' keyword */ |
| 1242 | if ( *cur == 'd' && |
| 1243 | cur + 3 < limit && |
| 1244 | cur[1] == 'e' && |
| 1245 | cur[2] == 'f' ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1246 | break; |
| 1247 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1248 | if ( *cur == 'e' && |
| 1249 | cur + 3 < limit && |
| 1250 | cur[1] == 'n' && |
| 1251 | cur[2] == 'd' ) |
| 1252 | break; |
| 1253 | |
| 1254 | if ( *cur != '/' ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1255 | T1_Skip_Alpha( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1256 | else |
| 1257 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1258 | FT_Byte* cur2 = cur + 1; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1259 | FT_Int len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1260 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1261 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1262 | while ( cur2 < limit && is_alpha( *cur2 ) ) |
| 1263 | cur2++; |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 1264 | len = (FT_Int)( cur2 - cur - 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1265 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1266 | error = T1_Add_Table( name_table, n, cur + 1, len + 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1267 | if ( error ) |
| 1268 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1269 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1270 | /* add a trailing zero to the name table */ |
| 1271 | name_table->elements[n][len] = '\0'; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1272 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1273 | /* record index of /.notdef */ |
| 1274 | if ( strcmp( (const char*)".notdef", |
| 1275 | (const char*)(name_table->elements[n]) ) == 0 ) |
| 1276 | { |
| 1277 | notdef_index = n; |
| 1278 | notdef_found = 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1279 | } |
| 1280 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1281 | parser->root.cursor = cur2; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1282 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1283 | return; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1284 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1285 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1286 | { |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1287 | psaux->t1_decrypt( base, size, 4330 ); |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1288 | size -= face->type1.private_dict.lenIV; |
| 1289 | base += face->type1.private_dict.lenIV; |
| 1290 | } |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1291 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1292 | error = T1_Add_Table( code_table, n, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1293 | if ( error ) |
| 1294 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1295 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1296 | n++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1297 | if ( n >= loader->num_glyphs ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1298 | break; |
| 1299 | } |
| 1300 | } |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1301 | |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1302 | loader->num_glyphs = n; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1303 | |
| 1304 | /* if /.notdef is found but does not occupy index 0, do our magic. */ |
| 1305 | if ( strcmp( (const char*)".notdef", |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1306 | (const char*)name_table->elements[0] ) && |
| 1307 | notdef_found ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1308 | { |
Werner Lemberg | ef6ebd6 | 2001-04-11 18:09:49 +0000 | [diff] [blame] | 1309 | /* Swap glyph in index 0 with /.notdef glyph. First, add index 0 */ |
Tom Kacvinsky | 9d770c9 | 2001-04-11 18:40:27 +0000 | [diff] [blame] | 1310 | /* name and code entries to swap_table. Then place notdef_index name */ |
| 1311 | /* and code entries into swap_table. Then swap name and code */ |
Werner Lemberg | ef6ebd6 | 2001-04-11 18:09:49 +0000 | [diff] [blame] | 1312 | /* entries at indices notdef_index and 0 using values stored in */ |
| 1313 | /* swap_table. */ |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1314 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1315 | /* Index 0 name */ |
| 1316 | error = T1_Add_Table( swap_table, 0, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1317 | name_table->elements[0], |
| 1318 | name_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1319 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1320 | goto Fail; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1321 | |
| 1322 | /* Index 0 code */ |
| 1323 | error = T1_Add_Table( swap_table, 1, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1324 | code_table->elements[0], |
| 1325 | code_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1326 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1327 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1328 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1329 | /* Index notdef_index name */ |
| 1330 | error = T1_Add_Table( swap_table, 2, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1331 | name_table->elements[notdef_index], |
| 1332 | name_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1333 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1334 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1335 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1336 | /* Index notdef_index code */ |
| 1337 | error = T1_Add_Table( swap_table, 3, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1338 | code_table->elements[notdef_index], |
| 1339 | code_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1340 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1341 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1342 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1343 | error = T1_Add_Table( name_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1344 | swap_table->elements[0], |
| 1345 | swap_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1346 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1347 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1348 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1349 | error = T1_Add_Table( code_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1350 | swap_table->elements[1], |
| 1351 | swap_table->lengths [1] ); |
| 1352 | if ( error ) |
| 1353 | goto Fail; |
| 1354 | |
| 1355 | error = T1_Add_Table( name_table, 0, |
| 1356 | swap_table->elements[2], |
| 1357 | swap_table->lengths [2] ); |
| 1358 | if ( error ) |
| 1359 | goto Fail; |
| 1360 | |
| 1361 | error = T1_Add_Table( code_table, 0, |
| 1362 | swap_table->elements[3], |
| 1363 | swap_table->lengths [3] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1364 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1365 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1366 | |
| 1367 | } |
| 1368 | else if ( !notdef_found ) |
| 1369 | { |
| 1370 | |
| 1371 | /* notdef_index is already 0, or /.notdef is undefined in */ |
| 1372 | /* charstrings dictionary. Worry about /.notdef undefined. */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1373 | /* We take index 0 and add it to the end of the table(s) */ |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1374 | /* and add our own /.notdef glyph to index 0. */ |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1375 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1376 | /* 0 333 hsbw endchar */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1377 | FT_Byte notdef_glyph[] = {0x8B, 0xF7, 0xE1, 0x0D, 0x0E}; |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1378 | char* notdef_name = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1379 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1380 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1381 | error = T1_Add_Table( swap_table, 0, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1382 | name_table->elements[0], |
| 1383 | name_table->lengths [0] ); |
| 1384 | if ( error ) |
| 1385 | goto Fail; |
| 1386 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1387 | error = T1_Add_Table( swap_table, 1, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1388 | code_table->elements[0], |
| 1389 | code_table->lengths [0] ); |
| 1390 | if ( error ) |
| 1391 | goto Fail; |
| 1392 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1393 | error = T1_Add_Table( name_table, 0, notdef_name, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1394 | if ( error ) |
| 1395 | goto Fail; |
| 1396 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1397 | error = T1_Add_Table( code_table, 0, notdef_glyph, 5 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1398 | |
| 1399 | if ( error ) |
| 1400 | goto Fail; |
| 1401 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1402 | error = T1_Add_Table( name_table, n, |
| 1403 | swap_table->elements[0], |
| 1404 | swap_table->lengths [0] ); |
| 1405 | if ( error ) |
| 1406 | goto Fail; |
| 1407 | |
| 1408 | error = T1_Add_Table( code_table, n, |
| 1409 | swap_table->elements[1], |
| 1410 | swap_table->lengths [1] ); |
| 1411 | if ( error ) |
| 1412 | goto Fail; |
| 1413 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1414 | /* we added a glyph. */ |
| 1415 | loader->num_glyphs = n + 1; |
| 1416 | |
| 1417 | } |
| 1418 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1419 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1420 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1421 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1422 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1423 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1427 | static |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1428 | const T1_Field t1_keywords[] = |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1429 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1430 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 1431 | #include "t1tokens.h" |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1432 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1433 | /* now add the special functions... */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1434 | T1_FIELD_CALLBACK( "FontName", parse_font_name ) |
| 1435 | T1_FIELD_CALLBACK( "FontBBox", parse_font_bbox ) |
| 1436 | T1_FIELD_CALLBACK( "FontMatrix", parse_font_matrix ) |
| 1437 | T1_FIELD_CALLBACK( "Encoding", parse_encoding ) |
| 1438 | T1_FIELD_CALLBACK( "Subrs", parse_subrs ) |
| 1439 | T1_FIELD_CALLBACK( "CharStrings", parse_charstrings ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1440 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1441 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1442 | T1_FIELD_CALLBACK( "BlendDesignPositions", parse_blend_design_positions ) |
| 1443 | T1_FIELD_CALLBACK( "BlendDesignMap", parse_blend_design_map ) |
| 1444 | T1_FIELD_CALLBACK( "BlendAxisTypes", parse_blend_axis_types ) |
| 1445 | T1_FIELD_CALLBACK( "WeightVector", parse_weight_vector ) |
| 1446 | T1_FIELD_CALLBACK( "shareddict", parse_shared_dict ) |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1447 | #endif |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1448 | |
Werner Lemberg | 4e9dae6 | 2000-08-29 16:50:01 +0000 | [diff] [blame] | 1449 | { 0, t1_field_cid_info, t1_field_none, 0, 0, 0, 0, 0 } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1450 | }; |
| 1451 | |
| 1452 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1453 | static FT_Error |
| 1454 | parse_dict( T1_Face face, |
| 1455 | T1_Loader* loader, |
| 1456 | FT_Byte* base, |
| 1457 | FT_Long size ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1458 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1459 | T1_ParserRec* parser = &loader->parser; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1460 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1461 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1462 | parser->root.cursor = base; |
| 1463 | parser->root.limit = base + size; |
| 1464 | parser->root.error = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1465 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1466 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1467 | FT_Byte* cur = base; |
| 1468 | FT_Byte* limit = cur + size; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1469 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1470 | |
| 1471 | for ( ; cur < limit; cur++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1472 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1473 | /* look for `FontDirectory', which causes problems on some fonts */ |
| 1474 | if ( *cur == 'F' && cur + 25 < limit && |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1475 | strncmp( (char*)cur, "FontDirectory", 13 ) == 0 ) |
| 1476 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1477 | FT_Byte* cur2; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1478 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1479 | |
| 1480 | /* skip the `FontDirectory' keyword */ |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1481 | cur += 13; |
| 1482 | cur2 = cur; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1483 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1484 | /* lookup the `known' keyword */ |
| 1485 | while ( cur < limit && *cur != 'k' && |
| 1486 | strncmp( (char*)cur, "known", 5 ) ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1487 | cur++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1488 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1489 | if ( cur < limit ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1490 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1491 | T1_Token token; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1492 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1493 | |
| 1494 | /* skip the `known' keyword and the token following it */ |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1495 | cur += 5; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1496 | loader->parser.root.cursor = cur; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1497 | T1_ToToken( &loader->parser, &token ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1498 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1499 | /* if the last token was an array, skip it! */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1500 | if ( token.type == t1_token_array ) |
| 1501 | cur2 = parser->root.cursor; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1502 | } |
| 1503 | cur = cur2; |
| 1504 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1505 | /* look for immediates */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1506 | else if ( *cur == '/' && cur + 2 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1507 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1508 | FT_Byte* cur2; |
| 1509 | FT_Int len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1510 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1511 | |
| 1512 | cur++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1513 | cur2 = cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1514 | while ( cur2 < limit && is_alpha( *cur2 ) ) |
| 1515 | cur2++; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1516 | |
Werner Lemberg | 914b289 | 2001-03-10 17:07:42 +0000 | [diff] [blame] | 1517 | len = (FT_Int)( cur2 - cur ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1518 | if ( len > 0 && len < 22 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1519 | { |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1520 | { |
| 1521 | /* now, compare the immediate name to the keyword table */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1522 | T1_Field* keyword = (T1_Field*)t1_keywords; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1523 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1524 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1525 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1526 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1527 | FT_Byte* name; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1528 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1529 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1530 | name = (FT_Byte*)keyword->ident; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1531 | if ( !name ) |
| 1532 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1533 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1534 | if ( cur[0] == name[0] && |
| 1535 | len == (FT_Int)strlen( (const char*)name ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1536 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1537 | FT_Int n; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1538 | |
| 1539 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1540 | for ( n = 1; n < len; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1541 | if ( cur[n] != name[n] ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1542 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1543 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1544 | if ( n >= len ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1545 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1546 | /* we found it -- run the parsing callback! */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1547 | parser->root.cursor = cur2; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1548 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1549 | parser->root.error = t1_load_keyword( face, |
| 1550 | loader, |
| 1551 | keyword ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1552 | if ( parser->root.error ) |
| 1553 | return parser->root.error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1554 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1555 | cur = parser->root.cursor; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1556 | break; |
| 1557 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1558 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1559 | keyword++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1560 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1561 | } |
| 1562 | } |
| 1563 | } |
| 1564 | } |
| 1565 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1566 | return parser->root.error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1567 | } |
| 1568 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1569 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1570 | static void |
| 1571 | t1_init_loader( T1_Loader* loader, |
| 1572 | T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1573 | { |
| 1574 | FT_UNUSED( face ); |
| 1575 | |
| 1576 | MEM_Set( loader, 0, sizeof ( *loader ) ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1577 | loader->num_glyphs = 0; |
| 1578 | loader->num_chars = 0; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1579 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1580 | /* initialize the tables -- simply set their `init' field to 0 */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1581 | loader->encoding_table.init = 0; |
| 1582 | loader->charstrings.init = 0; |
| 1583 | loader->glyph_names.init = 0; |
| 1584 | loader->subrs.init = 0; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1585 | loader->swap_table.init = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1586 | loader->fontdata = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1587 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1588 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1589 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1590 | static void |
| 1591 | t1_done_loader( T1_Loader* loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1592 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1593 | T1_ParserRec* parser = &loader->parser; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1594 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1595 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1596 | /* finalize tables */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1597 | T1_Release_Table( &loader->encoding_table ); |
| 1598 | T1_Release_Table( &loader->charstrings ); |
| 1599 | T1_Release_Table( &loader->glyph_names ); |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1600 | T1_Release_Table( &loader->swap_table ); |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1601 | T1_Release_Table( &loader->subrs ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1602 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1603 | /* finalize parser */ |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1604 | T1_Finalize_Parser( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1605 | } |
| 1606 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1607 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1608 | FT_LOCAL_DEF FT_Error |
| 1609 | T1_Open_Face( T1_Face face ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1610 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1611 | T1_Loader loader; |
| 1612 | T1_ParserRec* parser; |
| 1613 | T1_Font* type1 = &face->type1; |
| 1614 | FT_Error error; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1615 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1616 | PSAux_Interface* psaux = (PSAux_Interface*)face->psaux; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1617 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1618 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1619 | t1_init_loader( &loader, face ); |
| 1620 | |
| 1621 | /* default lenIV */ |
David Turner | 9a9315f | 2000-05-02 10:59:01 +0000 | [diff] [blame] | 1622 | type1->private_dict.lenIV = 4; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1623 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1624 | parser = &loader.parser; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1625 | error = T1_New_Parser( parser, |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1626 | face->root.stream, |
| 1627 | face->root.memory, |
| 1628 | psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1629 | if ( error ) |
| 1630 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1631 | |
| 1632 | error = parse_dict( face, &loader, parser->base_dict, parser->base_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1633 | if ( error ) |
| 1634 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1635 | |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1636 | error = T1_Get_Private_Dict( parser, psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1637 | if ( error ) |
| 1638 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1639 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1640 | error = parse_dict( face, &loader, parser->private_dict, |
| 1641 | parser->private_len ); |
| 1642 | if ( error ) |
| 1643 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1644 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1645 | /* now, propagate the subrs, charstrings, and glyphnames tables */ |
| 1646 | /* to the Type1 data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1647 | type1->num_glyphs = loader.num_glyphs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1648 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1649 | if ( loader.subrs.init ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1650 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1651 | loader.subrs.init = 0; |
| 1652 | type1->num_subrs = loader.num_subrs; |
| 1653 | type1->subrs_block = loader.subrs.block; |
| 1654 | type1->subrs = loader.subrs.elements; |
| 1655 | type1->subrs_len = loader.subrs.lengths; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1656 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1657 | |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1658 | if ( !loader.charstrings.init ) |
| 1659 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1660 | FT_ERROR(( "T1_Open_Face: no charstrings array in face!\n" )); |
Werner Lemberg | e35cac6 | 2000-06-11 03:46:57 +0000 | [diff] [blame] | 1661 | error = T1_Err_Invalid_File_Format; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1662 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1663 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1664 | loader.charstrings.init = 0; |
| 1665 | type1->charstrings_block = loader.charstrings.block; |
| 1666 | type1->charstrings = loader.charstrings.elements; |
| 1667 | type1->charstrings_len = loader.charstrings.lengths; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1668 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1669 | /* we copy the glyph names `block' and `elements' fields; */ |
| 1670 | /* the `lengths' field must be released later */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1671 | type1->glyph_names_block = loader.glyph_names.block; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1672 | type1->glyph_names = (FT_String**)loader.glyph_names.elements; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1673 | loader.glyph_names.block = 0; |
| 1674 | loader.glyph_names.elements = 0; |
| 1675 | |
| 1676 | /* we must now build type1.encoding when we have a custom */ |
| 1677 | /* array.. */ |
| 1678 | if ( type1->encoding_type == t1_encoding_array ) |
| 1679 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1680 | FT_Int charcode, index, min_char, max_char; |
| 1681 | FT_Byte* char_name; |
| 1682 | FT_Byte* glyph_name; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1683 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1684 | |
| 1685 | /* OK, we do the following: for each element in the encoding */ |
| 1686 | /* table, look up the index of the glyph having the same name */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1687 | /* the index is then stored in type1.encoding.char_index, and */ |
| 1688 | /* a the name to type1.encoding.char_name */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1689 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1690 | min_char = +32000; |
| 1691 | max_char = -32000; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1692 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1693 | charcode = 0; |
Tom Kacvinsky | 95ac657 | 2000-10-15 08:53:27 +0000 | [diff] [blame] | 1694 | for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1695 | { |
| 1696 | type1->encoding.char_index[charcode] = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 1697 | type1->encoding.char_name [charcode] = (char *)".notdef"; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1698 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1699 | char_name = loader.encoding_table.elements[charcode]; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1700 | if ( char_name ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1701 | for ( index = 0; index < type1->num_glyphs; index++ ) |
| 1702 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1703 | glyph_name = (FT_Byte*)type1->glyph_names[index]; |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 1704 | if ( strcmp( (const char*)char_name, |
| 1705 | (const char*)glyph_name ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1706 | { |
David Turner | 8edbcab | 2001-06-19 08:28:24 +0000 | [diff] [blame] | 1707 | type1->encoding.char_index[charcode] = (FT_UShort)index; |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 1708 | type1->encoding.char_name [charcode] = (char*)glyph_name; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1709 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1710 | /* Change min/max encoded char only if glyph name is */ |
| 1711 | /* not /.notdef */ |
| 1712 | if ( strcmp( (const char*)".notdef", |
| 1713 | (const char*)glyph_name ) != 0 ) |
| 1714 | { |
| 1715 | if (charcode < min_char) min_char = charcode; |
| 1716 | if (charcode > max_char) max_char = charcode; |
| 1717 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1718 | break; |
| 1719 | } |
| 1720 | } |
| 1721 | } |
| 1722 | type1->encoding.code_first = min_char; |
| 1723 | type1->encoding.code_last = max_char; |
| 1724 | type1->encoding.num_chars = loader.num_chars; |
| 1725 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1726 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1727 | Exit: |
| 1728 | t1_done_loader( &loader ); |
| 1729 | return error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1730 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1731 | |
| 1732 | |
| 1733 | /* END */ |