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 | b442ca1 | 2003-04-23 15:50:27 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001, 2002, 2003 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 | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 71 | #include "t1errors.h" |
| 72 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 73 | |
| 74 | |
| 75 | /*************************************************************************/ |
| 76 | /* */ |
| 77 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 78 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 79 | /* messages during execution. */ |
| 80 | /* */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 81 | #undef FT_COMPONENT |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 82 | #define FT_COMPONENT trace_t1load |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 83 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 84 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 85 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 86 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 87 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 88 | /*************************************************************************/ |
| 89 | /*************************************************************************/ |
| 90 | /***** *****/ |
| 91 | /***** MULTIPLE MASTERS SUPPORT *****/ |
| 92 | /***** *****/ |
| 93 | /*************************************************************************/ |
| 94 | /*************************************************************************/ |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 95 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 96 | static FT_Error |
| 97 | t1_allocate_blend( T1_Face face, |
| 98 | FT_UInt num_designs, |
| 99 | FT_UInt num_axis ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 100 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 101 | PS_Blend blend; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 102 | FT_Memory memory = face->root.memory; |
| 103 | FT_Error error = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 104 | |
| 105 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 106 | blend = face->blend; |
| 107 | if ( !blend ) |
| 108 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 109 | if ( FT_NEW( blend ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 110 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 111 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 112 | face->blend = blend; |
| 113 | } |
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 | /* allocate design data if needed */ |
| 116 | if ( num_designs > 0 ) |
| 117 | { |
| 118 | if ( blend->num_designs == 0 ) |
| 119 | { |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 120 | FT_UInt nn; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 121 | |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 122 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 123 | /* allocate the blend `private' and `font_info' dictionaries */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 124 | if ( FT_NEW_ARRAY( blend->font_infos[1], num_designs ) || |
| 125 | FT_NEW_ARRAY( blend->privates[1], num_designs ) || |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 126 | FT_NEW_ARRAY( blend->bboxes[1], num_designs ) || |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 127 | FT_NEW_ARRAY( blend->weight_vector, num_designs * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 128 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 129 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 130 | blend->default_weight_vector = blend->weight_vector + num_designs; |
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->font_infos[0] = &face->type1.font_info; |
| 133 | blend->privates [0] = &face->type1.private_dict; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 134 | blend->bboxes [0] = &face->type1.font_bbox; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 135 | |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 136 | for ( nn = 2; nn <= num_designs; nn++ ) |
| 137 | { |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 138 | blend->privates[nn] = blend->privates [nn - 1] + 1; |
| 139 | blend->font_infos[nn] = blend->font_infos[nn - 1] + 1; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 140 | blend->bboxes[nn] = blend->bboxes [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 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 166 | if ( FT_NEW_ARRAY( blend->design_pos[0], num_designs * num_axis ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 167 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 168 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 169 | for ( n = 1; n < num_designs; n++ ) |
| 170 | blend->design_pos[n] = blend->design_pos[0] + num_axis * n; |
| 171 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 172 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 173 | Exit: |
| 174 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 175 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 176 | Fail: |
| 177 | error = -1; |
| 178 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 182 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 183 | T1_Get_Multi_Master( T1_Face face, |
| 184 | FT_Multi_Master* master ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 185 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 186 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 187 | FT_UInt n; |
| 188 | FT_Error error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 189 | |
| 190 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 191 | error = T1_Err_Invalid_Argument; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 192 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 193 | if ( blend ) |
| 194 | { |
| 195 | master->num_axis = blend->num_axis; |
| 196 | master->num_designs = blend->num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 197 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 198 | for ( n = 0; n < blend->num_axis; n++ ) |
| 199 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 200 | FT_MM_Axis* axis = master->axis + n; |
| 201 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 202 | |
| 203 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 204 | axis->name = blend->axis_names[n]; |
| 205 | axis->minimum = map->design_points[0]; |
| 206 | axis->maximum = map->design_points[map->num_points - 1]; |
| 207 | } |
| 208 | error = 0; |
| 209 | } |
| 210 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 214 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 215 | T1_Set_MM_Blend( T1_Face face, |
| 216 | FT_UInt num_coords, |
| 217 | FT_Fixed* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 218 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 219 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 220 | FT_Error error; |
| 221 | FT_UInt n, m; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 222 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 223 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 224 | error = T1_Err_Invalid_Argument; |
| 225 | |
| 226 | if ( blend && blend->num_axis == num_coords ) |
| 227 | { |
| 228 | /* recompute the weight vector from the blend coordinates */ |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 229 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 230 | |
| 231 | for ( n = 0; n < blend->num_designs; n++ ) |
| 232 | { |
| 233 | FT_Fixed result = 0x10000L; /* 1.0 fixed */ |
| 234 | |
| 235 | |
| 236 | for ( m = 0; m < blend->num_axis; m++ ) |
| 237 | { |
| 238 | FT_Fixed factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 239 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 240 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 241 | /* get current blend axis position */ |
| 242 | factor = coords[m]; |
| 243 | if ( factor < 0 ) factor = 0; |
| 244 | if ( factor > 0x10000L ) factor = 0x10000L; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 245 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 246 | if ( ( n & ( 1 << m ) ) == 0 ) |
| 247 | factor = 0x10000L - factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 248 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 249 | result = FT_MulFix( result, factor ); |
| 250 | } |
| 251 | blend->weight_vector[n] = result; |
| 252 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 253 | |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 254 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 255 | } |
| 256 | return error; |
| 257 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 258 | |
| 259 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 260 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 261 | T1_Set_MM_Design( T1_Face face, |
| 262 | FT_UInt num_coords, |
| 263 | FT_Long* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 264 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 265 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 266 | FT_Error error; |
| 267 | FT_UInt n, p; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 268 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 269 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 270 | error = T1_Err_Invalid_Argument; |
| 271 | if ( blend && blend->num_axis == num_coords ) |
| 272 | { |
| 273 | /* compute the blend coordinates through the blend design map */ |
| 274 | FT_Fixed final_blends[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 275 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 276 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 277 | for ( n = 0; n < blend->num_axis; n++ ) |
| 278 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 279 | FT_Long design = coords[n]; |
| 280 | FT_Fixed the_blend; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 281 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 282 | FT_Fixed* designs = map->design_points; |
| 283 | FT_Fixed* blends = map->blend_points; |
| 284 | FT_Int before = -1, after = -1; |
| 285 | |
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 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 331 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 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; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 335 | PS_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 */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 346 | FT_FREE( blend->design_pos[0] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 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 */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 351 | FT_FREE( blend->privates[1] ); |
| 352 | FT_FREE( blend->font_infos[1] ); |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 353 | FT_FREE( blend->bboxes[1] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 354 | |
| 355 | for ( n = 0; n < num_designs; n++ ) |
| 356 | { |
| 357 | blend->privates [n] = 0; |
| 358 | blend->font_infos[n] = 0; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 359 | blend->bboxes [n] = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 360 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 361 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 362 | /* release weight vectors */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 363 | FT_FREE( blend->weight_vector ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 364 | blend->default_weight_vector = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 365 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 366 | /* release axis names */ |
| 367 | for ( n = 0; n < num_axis; n++ ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 368 | FT_FREE( blend->axis_names[n] ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 369 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 370 | /* release design map */ |
| 371 | for ( n = 0; n < num_axis; n++ ) |
| 372 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 373 | PS_DesignMap dmap = blend->design_map + n; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 374 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 375 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 376 | FT_FREE( dmap->design_points ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 377 | dmap->num_points = 0; |
| 378 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 379 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 380 | FT_FREE( face->blend ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 381 | } |
| 382 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 383 | |
| 384 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 385 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 386 | parse_blend_axis_types( T1_Face face, |
| 387 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 388 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 389 | T1_TokenRec axis_tokens[ T1_MAX_MM_AXIS ]; |
| 390 | FT_Int n, num_axis; |
| 391 | FT_Error error = 0; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 392 | PS_Blend blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 393 | FT_Memory memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 394 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 395 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 396 | /* take an array of objects */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 397 | T1_ToTokenArray( &loader->parser, axis_tokens, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 398 | T1_MAX_MM_AXIS, &num_axis ); |
| 399 | if ( num_axis <= 0 || num_axis > T1_MAX_MM_AXIS ) |
| 400 | { |
| 401 | FT_ERROR(( "parse_blend_axis_types: incorrect number of axes: %d\n", |
| 402 | num_axis )); |
| 403 | error = T1_Err_Invalid_File_Format; |
| 404 | goto Exit; |
| 405 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 406 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 407 | /* allocate blend if necessary */ |
| 408 | error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); |
| 409 | if ( error ) |
| 410 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 411 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 412 | blend = face->blend; |
| 413 | memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 414 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 415 | /* each token is an immediate containing the name of the axis */ |
| 416 | for ( n = 0; n < num_axis; n++ ) |
| 417 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 418 | T1_Token token = axis_tokens + n; |
| 419 | FT_Byte* name; |
| 420 | FT_PtrDist len; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 421 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 422 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 423 | /* skip first slash, if any */ |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 424 | if ( token->start[0] == '/' ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 425 | token->start++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 426 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 427 | len = token->limit - token->start; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 428 | if ( len == 0 ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 429 | { |
| 430 | error = T1_Err_Invalid_File_Format; |
| 431 | goto Exit; |
| 432 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 433 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 434 | if ( FT_ALLOC( blend->axis_names[n], len + 1 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 435 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 436 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 437 | name = (FT_Byte*)blend->axis_names[n]; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 438 | FT_MEM_COPY( name, token->start, len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 439 | name[len] = 0; |
| 440 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 441 | |
| 442 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 443 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 444 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 445 | |
| 446 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 447 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 448 | parse_blend_design_positions( T1_Face face, |
| 449 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 450 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 451 | T1_TokenRec design_tokens[ T1_MAX_MM_DESIGNS ]; |
| 452 | FT_Int num_designs; |
| 453 | FT_Int num_axis; |
| 454 | T1_Parser parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 455 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 456 | FT_Error error = 0; |
| 457 | PS_Blend blend; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 458 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 459 | |
| 460 | /* get the array of design tokens - compute number of designs */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 461 | T1_ToTokenArray( parser, design_tokens, T1_MAX_MM_DESIGNS, &num_designs ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 462 | if ( num_designs <= 0 || num_designs > T1_MAX_MM_DESIGNS ) |
| 463 | { |
| 464 | FT_ERROR(( "parse_blend_design_positions:" )); |
| 465 | FT_ERROR(( " incorrect number of designs: %d\n", |
| 466 | num_designs )); |
| 467 | error = T1_Err_Invalid_File_Format; |
| 468 | goto Exit; |
| 469 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 470 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 471 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 472 | FT_Byte* old_cursor = parser->root.cursor; |
| 473 | FT_Byte* old_limit = parser->root.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 474 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 475 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 476 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 477 | blend = face->blend; |
| 478 | num_axis = 0; /* make compiler happy */ |
| 479 | |
| 480 | for ( n = 0; n < (FT_UInt)num_designs; n++ ) |
| 481 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 482 | T1_TokenRec axis_tokens[ T1_MAX_MM_DESIGNS ]; |
| 483 | T1_Token token; |
| 484 | FT_Int axis, n_axis; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 485 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 486 | |
| 487 | /* read axis/coordinates tokens */ |
| 488 | token = design_tokens + n; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 489 | parser->root.cursor = token->start - 1; |
| 490 | parser->root.limit = token->limit + 1; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 491 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &n_axis ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 492 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 493 | if ( n == 0 ) |
| 494 | { |
| 495 | num_axis = n_axis; |
| 496 | error = t1_allocate_blend( face, num_designs, num_axis ); |
| 497 | if ( error ) |
| 498 | goto Exit; |
| 499 | blend = face->blend; |
| 500 | } |
| 501 | else if ( n_axis != num_axis ) |
| 502 | { |
| 503 | FT_ERROR(( "parse_blend_design_positions: incorrect table\n" )); |
| 504 | error = T1_Err_Invalid_File_Format; |
| 505 | goto Exit; |
| 506 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 507 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 508 | /* now, read each axis token into the design position */ |
| 509 | for ( axis = 0; axis < n_axis; axis++ ) |
| 510 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 511 | T1_Token token2 = axis_tokens + axis; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 512 | |
| 513 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 514 | parser->root.cursor = token2->start; |
| 515 | parser->root.limit = token2->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 516 | blend->design_pos[n][axis] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 517 | } |
| 518 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 519 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 520 | loader->parser.root.cursor = old_cursor; |
| 521 | loader->parser.root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 522 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 523 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 524 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 525 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 526 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 527 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 528 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 529 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 530 | parse_blend_design_map( T1_Face face, |
| 531 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 532 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 533 | FT_Error error = 0; |
| 534 | T1_Parser parser = &loader->parser; |
| 535 | PS_Blend blend; |
| 536 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
| 537 | FT_Int n, num_axis; |
| 538 | FT_Byte* old_cursor; |
| 539 | FT_Byte* old_limit; |
| 540 | FT_Memory memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 541 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 542 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 543 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &num_axis ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 544 | if ( num_axis <= 0 || num_axis > T1_MAX_MM_AXIS ) |
| 545 | { |
| 546 | FT_ERROR(( "parse_blend_design_map: incorrect number of axes: %d\n", |
| 547 | num_axis )); |
| 548 | error = T1_Err_Invalid_File_Format; |
| 549 | goto Exit; |
| 550 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 551 | old_cursor = parser->root.cursor; |
| 552 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 553 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 554 | error = t1_allocate_blend( face, 0, num_axis ); |
| 555 | if ( error ) |
| 556 | goto Exit; |
| 557 | blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 558 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 559 | /* now, read each axis design map */ |
| 560 | for ( n = 0; n < num_axis; n++ ) |
| 561 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 562 | PS_DesignMap map = blend->design_map + n; |
| 563 | T1_Token token; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 564 | FT_Int p, num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 565 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 566 | |
| 567 | token = axis_tokens + n; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 568 | parser->root.cursor = token->start; |
| 569 | parser->root.limit = token->limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 570 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 571 | /* count the number of map points */ |
| 572 | { |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 573 | FT_Byte* ptr = token->start; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 574 | FT_Byte* limit = token->limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 575 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 576 | |
| 577 | num_points = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 578 | for ( ; ptr < limit; ptr++ ) |
| 579 | if ( ptr[0] == '[' ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 580 | num_points++; |
| 581 | } |
| 582 | if ( num_points <= 0 || num_points > T1_MAX_MM_MAP_POINTS ) |
| 583 | { |
| 584 | FT_ERROR(( "parse_blend_design_map: incorrect table\n" )); |
| 585 | error = T1_Err_Invalid_File_Format; |
| 586 | goto Exit; |
| 587 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 588 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 589 | /* allocate design map data */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 590 | if ( FT_NEW_ARRAY( map->design_points, num_points * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 591 | goto Exit; |
| 592 | map->blend_points = map->design_points + num_points; |
| 593 | map->num_points = (FT_Byte)num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 594 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 595 | for ( p = 0; p < num_points; p++ ) |
| 596 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 597 | map->design_points[p] = T1_ToInt( parser ); |
| 598 | map->blend_points [p] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 599 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 600 | } |
| 601 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 602 | parser->root.cursor = old_cursor; |
| 603 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 604 | |
| 605 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 606 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 607 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 608 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 609 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 610 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 611 | parse_weight_vector( T1_Face face, |
| 612 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 613 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 614 | FT_Error error = 0; |
| 615 | T1_Parser parser = &loader->parser; |
| 616 | PS_Blend blend = face->blend; |
| 617 | T1_TokenRec master; |
| 618 | FT_UInt n; |
| 619 | FT_Byte* old_cursor; |
| 620 | FT_Byte* old_limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 621 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 622 | |
| 623 | if ( !blend || blend->num_designs == 0 ) |
| 624 | { |
| 625 | FT_ERROR(( "parse_weight_vector: too early!\n" )); |
| 626 | error = T1_Err_Invalid_File_Format; |
| 627 | goto Exit; |
| 628 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 629 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 630 | T1_ToToken( parser, &master ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 631 | if ( master.type != T1_TOKEN_TYPE_ARRAY ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 632 | { |
| 633 | FT_ERROR(( "parse_weight_vector: incorrect format!\n" )); |
| 634 | error = T1_Err_Invalid_File_Format; |
| 635 | goto Exit; |
| 636 | } |
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 | old_cursor = parser->root.cursor; |
| 639 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 640 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 641 | parser->root.cursor = master.start; |
| 642 | parser->root.limit = master.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 643 | |
| 644 | for ( n = 0; n < blend->num_designs; n++ ) |
| 645 | { |
| 646 | blend->default_weight_vector[n] = |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 647 | blend->weight_vector[n] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 648 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 649 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 650 | parser->root.cursor = old_cursor; |
| 651 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 652 | |
| 653 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 654 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 655 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 656 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 657 | |
| 658 | /* the keyword `/shareddict' appears in some multiple master fonts */ |
| 659 | /* with a lot of Postscript garbage behind it (that's completely out */ |
| 660 | /* of spec!); we detect it and terminate the parsing */ |
| 661 | /* */ |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 662 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 663 | parse_shared_dict( T1_Face face, |
| 664 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 665 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 666 | T1_Parser parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 667 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 668 | FT_UNUSED( face ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 669 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 670 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 671 | parser->root.cursor = parser->root.limit; |
| 672 | parser->root.error = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 673 | } |
| 674 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 675 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 676 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 677 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 678 | /*************************************************************************/ |
| 679 | /*************************************************************************/ |
| 680 | /***** *****/ |
| 681 | /***** TYPE 1 SYMBOL PARSING *****/ |
| 682 | /***** *****/ |
| 683 | /*************************************************************************/ |
| 684 | /*************************************************************************/ |
| 685 | |
| 686 | |
| 687 | /*************************************************************************/ |
| 688 | /* */ |
| 689 | /* First of all, define the token field static variables. This is a set */ |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 690 | /* of T1_FieldRec variables used later. */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 691 | /* */ |
| 692 | /*************************************************************************/ |
| 693 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 694 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 695 | static FT_Error |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame^] | 696 | t1_load_keyword( T1_Face face, |
| 697 | T1_Loader loader, |
| 698 | const T1_Field field ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 699 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 700 | FT_Error error; |
| 701 | void* dummy_object; |
| 702 | void** objects; |
| 703 | FT_UInt max_objects; |
| 704 | PS_Blend blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 705 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 706 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 707 | /* if the keyword has a dedicated callback, call it */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 708 | if ( field->type == T1_FIELD_TYPE_CALLBACK ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 709 | { |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 710 | field->reader( (FT_Face)face, loader ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 711 | error = loader->parser.root.error; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 712 | goto Exit; |
| 713 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 714 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 715 | /* now, the keyword is either a simple field, or a table of fields; */ |
| 716 | /* we are now going to take care of it */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 717 | switch ( field->location ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 718 | { |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 719 | case T1_FIELD_LOCATION_FONT_INFO: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 720 | dummy_object = &face->type1.font_info; |
| 721 | objects = &dummy_object; |
| 722 | max_objects = 0; |
| 723 | |
| 724 | if ( blend ) |
| 725 | { |
| 726 | objects = (void**)blend->font_infos; |
| 727 | max_objects = blend->num_designs; |
| 728 | } |
| 729 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 730 | |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 731 | case T1_FIELD_LOCATION_PRIVATE: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 732 | dummy_object = &face->type1.private_dict; |
| 733 | objects = &dummy_object; |
| 734 | max_objects = 0; |
| 735 | |
| 736 | if ( blend ) |
| 737 | { |
| 738 | objects = (void**)blend->privates; |
| 739 | max_objects = blend->num_designs; |
| 740 | } |
| 741 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 742 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 743 | case T1_FIELD_LOCATION_BBOX: |
| 744 | dummy_object = &face->type1.font_bbox; |
| 745 | objects = &dummy_object; |
| 746 | max_objects = 0; |
| 747 | |
| 748 | if ( blend ) |
| 749 | { |
| 750 | objects = (void**)blend->bboxes; |
| 751 | max_objects = blend->num_designs; |
| 752 | } |
| 753 | break; |
| 754 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 755 | default: |
| 756 | dummy_object = &face->type1; |
| 757 | objects = &dummy_object; |
| 758 | max_objects = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 759 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 760 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 761 | if ( field->type == T1_FIELD_TYPE_INTEGER_ARRAY || |
| 762 | field->type == T1_FIELD_TYPE_FIXED_ARRAY ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 763 | error = T1_Load_Field_Table( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 764 | objects, max_objects, 0 ); |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 765 | else |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 766 | error = T1_Load_Field( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 767 | objects, max_objects, 0 ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 768 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 769 | Exit: |
| 770 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 771 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 772 | |
| 773 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 774 | static int |
| 775 | is_space( FT_Byte c ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 776 | { |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 777 | return ( c == ' ' || c == '\t' || c == '\r' || c == '\n' ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 778 | } |
| 779 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 780 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 781 | static int |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 782 | is_name_char( FT_Byte c ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 783 | { |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 784 | /* Note: PostScript allows any non-delimiting, non-whitespace */ |
| 785 | /* in a name (PS Ref Manual, 3rd Ed, p31) */ |
| 786 | /* PostScript delimiters include (,),<,>,[,],{,},/ and % */ |
| 787 | |
| 788 | return ( c != '(' && |
| 789 | c != ')' && |
| 790 | c != '<' && |
| 791 | c != '>' && |
| 792 | c != '[' && |
| 793 | c != ']' && |
| 794 | c != '{' && |
| 795 | c != '}' && |
| 796 | c != '/' && |
| 797 | c != '%' && |
David Turner | e0ec6b3 | 2003-04-03 15:52:59 +0000 | [diff] [blame] | 798 | ! is_space( c ) |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 799 | ); |
| 800 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 801 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 802 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 803 | static int |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 804 | read_binary_data( T1_Parser parser, |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 805 | FT_Long* size, |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 806 | FT_Byte** base ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 807 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 808 | FT_Byte* cur; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 809 | FT_Byte* limit = parser->root.limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 810 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 811 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 812 | /* the binary data has the following format */ |
| 813 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 814 | /* `size' [white*] RD white ....... ND */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 815 | /* */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 816 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 817 | T1_Skip_Spaces( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 818 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 819 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 820 | if ( cur < limit && (FT_Byte)( *cur - '0' ) < 10 ) |
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 | *size = T1_ToInt( parser ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 823 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 824 | T1_Skip_Spaces( parser ); |
| 825 | T1_Skip_Alpha ( parser ); /* `RD' or `-|' or something else */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 826 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 827 | /* there is only one whitespace char after the */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 828 | /* `RD' or `-|' token */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 829 | *base = parser->root.cursor + 1; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 830 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 831 | parser->root.cursor += *size + 1; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 832 | return 1; |
| 833 | } |
| 834 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 835 | FT_ERROR(( "read_binary_data: invalid size field\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 836 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 837 | return 0; |
| 838 | } |
| 839 | |
| 840 | |
| 841 | /* we will now define the routines used to handle */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 842 | /* the `/Encoding', `/Subrs', and `/CharStrings' */ |
| 843 | /* dictionaries */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 844 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 845 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 846 | parse_font_name( T1_Face face, |
| 847 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 848 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 849 | T1_Parser parser = &loader->parser; |
| 850 | FT_Error error; |
| 851 | FT_Memory memory = parser->root.memory; |
| 852 | FT_PtrDist len; |
| 853 | FT_Byte* cur; |
| 854 | FT_Byte* cur2; |
| 855 | FT_Byte* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 856 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 857 | |
Tom Kacvinsky | 48f26bc | 2001-10-20 17:44:48 +0000 | [diff] [blame] | 858 | if ( face->type1.font_name ) |
| 859 | /* with synthetic fonts, it's possible we get here twice */ |
| 860 | return; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 861 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 862 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 863 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 864 | cur = parser->root.cursor; |
| 865 | limit = parser->root.limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 866 | |
| 867 | if ( cur >= limit - 1 || *cur != '/' ) |
| 868 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 869 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 870 | cur++; |
| 871 | cur2 = cur; |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 872 | while ( cur2 < limit && is_name_char( *cur2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 873 | cur2++; |
| 874 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 875 | len = cur2 - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 876 | if ( len > 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 877 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 878 | if ( FT_ALLOC( face->type1.font_name, len + 1 ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 879 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 880 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 881 | return; |
| 882 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 883 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 884 | FT_MEM_COPY( face->type1.font_name, cur, len ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 885 | face->type1.font_name[len] = '\0'; |
| 886 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 887 | parser->root.cursor = cur2; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 888 | } |
| 889 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 890 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 891 | #if 0 |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 892 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 893 | parse_font_bbox( T1_Face face, |
| 894 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 895 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 896 | T1_Parser parser = &loader->parser; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 897 | FT_Fixed temp[4]; |
| 898 | FT_BBox* bbox = &face->type1.font_bbox; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 899 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 900 | |
Tom Kacvinsky | 5d362b6 | 2001-03-10 19:08:44 +0000 | [diff] [blame] | 901 | (void)T1_ToFixedArray( parser, 4, temp, 0 ); |
| 902 | bbox->xMin = FT_RoundFix( temp[0] ); |
| 903 | bbox->yMin = FT_RoundFix( temp[1] ); |
| 904 | bbox->xMax = FT_RoundFix( temp[2] ); |
| 905 | bbox->yMax = FT_RoundFix( temp[3] ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 906 | } |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 907 | #endif |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 908 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 909 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 910 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 911 | parse_font_matrix( T1_Face face, |
| 912 | T1_Loader loader ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 913 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 914 | T1_Parser parser = &loader->parser; |
| 915 | FT_Matrix* matrix = &face->type1.font_matrix; |
| 916 | FT_Vector* offset = &face->type1.font_offset; |
| 917 | FT_Face root = (FT_Face)&face->root; |
| 918 | FT_Fixed temp[6]; |
| 919 | FT_Fixed temp_scale; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 920 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 921 | |
Just van Rossum | 7c64409 | 2000-08-01 04:29:25 +0000 | [diff] [blame] | 922 | if ( matrix->xx || matrix->yx ) |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 923 | /* with synthetic fonts, it's possible we get here twice */ |
Just van Rossum | 7c64409 | 2000-08-01 04:29:25 +0000 | [diff] [blame] | 924 | return; |
| 925 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 926 | (void)T1_ToFixedArray( parser, 6, temp, 3 ); |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 927 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 928 | temp_scale = ABS( temp[3] ); |
| 929 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 930 | /* Set Units per EM based on FontMatrix values. We set the value to */ |
| 931 | /* 1000 / temp_scale, because temp_scale was already multiplied by */ |
| 932 | /* 1000 (in t1_tofixed, from psobjs.c). */ |
Tom Kacvinsky | f3dad68 | 2001-03-19 13:52:31 +0000 | [diff] [blame] | 933 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 934 | root->units_per_EM = (FT_UShort)( FT_DivFix( 1000 * 0x10000L, |
| 935 | temp_scale ) >> 16 ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 936 | |
| 937 | /* we need to scale the values by 1.0/temp_scale */ |
| 938 | if ( temp_scale != 0x10000L ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 939 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 940 | temp[0] = FT_DivFix( temp[0], temp_scale ); |
| 941 | temp[1] = FT_DivFix( temp[1], temp_scale ); |
| 942 | temp[2] = FT_DivFix( temp[2], temp_scale ); |
| 943 | temp[4] = FT_DivFix( temp[4], temp_scale ); |
| 944 | temp[5] = FT_DivFix( temp[5], temp_scale ); |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 945 | temp[3] = 0x10000L; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 946 | } |
| 947 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 948 | matrix->xx = temp[0]; |
| 949 | matrix->yx = temp[1]; |
| 950 | matrix->xy = temp[2]; |
| 951 | matrix->yy = temp[3]; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 952 | |
Werner Lemberg | 6fbe4db | 2000-10-05 04:53:31 +0000 | [diff] [blame] | 953 | /* note that the offsets must be expressed in integer font units */ |
David Turner | f00a4de | 2000-10-03 22:03:09 +0000 | [diff] [blame] | 954 | offset->x = temp[4] >> 16; |
| 955 | offset->y = temp[5] >> 16; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 956 | } |
| 957 | |
| 958 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 959 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 960 | parse_encoding( T1_Face face, |
| 961 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 962 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 963 | T1_Parser parser = &loader->parser; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 964 | FT_Byte* cur = parser->root.cursor; |
| 965 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 966 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 967 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 968 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 969 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 970 | /* skip whitespace */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 971 | while ( is_space( *cur ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 972 | { |
| 973 | cur++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 974 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 975 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 976 | FT_ERROR(( "parse_encoding: out of bounds!\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 977 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 978 | return; |
| 979 | } |
| 980 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 981 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 982 | /* if we have a number, then the encoding is an array, */ |
| 983 | /* and we must load it now */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 984 | if ( (FT_Byte)( *cur - '0' ) < 10 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 985 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 986 | T1_Encoding encode = &face->type1.encoding; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 987 | FT_Int count, n; |
| 988 | PS_Table char_table = &loader->encoding_table; |
| 989 | FT_Memory memory = parser->root.memory; |
| 990 | FT_Error error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 991 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 992 | |
Tom Kacvinsky | 629bf28 | 2001-10-20 20:46:36 +0000 | [diff] [blame] | 993 | if ( encode->char_index ) |
| 994 | /* with synthetic fonts, it's possible we get here twice */ |
| 995 | return; |
| 996 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 997 | /* read the number of entries in the encoding, should be 256 */ |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 998 | count = (FT_Int)T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 999 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1000 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1001 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1002 | /* we use a T1_Table to store our charnames */ |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1003 | loader->num_chars = encode->num_chars = count; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1004 | if ( FT_NEW_ARRAY( encode->char_index, count ) || |
| 1005 | FT_NEW_ARRAY( encode->char_name, count ) || |
| 1006 | FT_SET_ERROR( psaux->ps_table_funcs->init( |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1007 | char_table, count, memory ) ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1008 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1009 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1010 | return; |
| 1011 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1012 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1013 | /* We need to `zero' out encoding_table.elements */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1014 | for ( n = 0; n < count; n++ ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1015 | { |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1016 | char* notdef = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1017 | |
| 1018 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1019 | T1_Add_Table( char_table, n, notdef, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1020 | } |
| 1021 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1022 | /* Now, we will need to read a record of the form */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1023 | /* ... charcode /charname ... for each entry in our table */ |
| 1024 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1025 | /* We simply look for a number followed by an immediate */ |
| 1026 | /* name. Note that this ignores correctly the sequence */ |
| 1027 | /* that is often seen in type1 fonts: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1028 | /* */ |
| 1029 | /* 0 1 255 { 1 index exch /.notdef put } for dup */ |
| 1030 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1031 | /* used to clean the encoding array before anything else. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1032 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1033 | /* We stop when we encounter a `def'. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1034 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1035 | cur = parser->root.cursor; |
| 1036 | limit = parser->root.limit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1037 | n = 0; |
| 1038 | |
| 1039 | for ( ; cur < limit; ) |
| 1040 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1041 | FT_Byte c; |
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 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1044 | c = *cur; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1045 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1046 | /* we stop when we encounter a `def' */ |
| 1047 | if ( c == 'd' && cur + 3 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1048 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1049 | if ( cur[1] == 'e' && |
| 1050 | cur[2] == 'f' && |
| 1051 | is_space( cur[-1] ) && |
| 1052 | is_space( cur[3] ) ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1053 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1054 | FT_TRACE6(( "encoding end\n" )); |
| 1055 | break; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1056 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1057 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1058 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1059 | /* otherwise, we must find a number before anything else */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1060 | if ( (FT_Byte)( c - '0' ) < 10 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1061 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1062 | FT_Int charcode; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1063 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1064 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1065 | parser->root.cursor = cur; |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1066 | charcode = (FT_Int)T1_ToInt( parser ); |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1067 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1068 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1069 | /* skip whitespace */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1070 | while ( cur < limit && is_space( *cur ) ) |
| 1071 | cur++; |
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 | if ( cur < limit && *cur == '/' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1074 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1075 | /* bingo, we have an immediate name -- it must be a */ |
| 1076 | /* character name */ |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1077 | FT_Byte* cur2 = cur + 1; |
| 1078 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1079 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1080 | |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 1081 | while ( cur2 < limit && is_name_char( *cur2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1082 | cur2++; |
| 1083 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1084 | len = cur2 - cur - 1; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1085 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1086 | parser->root.error = T1_Add_Table( char_table, charcode, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1087 | cur + 1, len + 1 ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1088 | char_table->elements[charcode][len] = '\0'; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1089 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1090 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1091 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1092 | cur = cur2; |
| 1093 | } |
| 1094 | } |
| 1095 | else |
| 1096 | cur++; |
| 1097 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1098 | |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1099 | face->type1.encoding_type = T1_ENCODING_TYPE_ARRAY; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1100 | parser->root.cursor = cur; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1101 | } |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1102 | /* Otherwise, we should have either `StandardEncoding', */ |
| 1103 | /* `ExpertEncoding', or `ISOLatin1Encoding' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1104 | else |
| 1105 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1106 | if ( cur + 17 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1107 | ft_strncmp( (const char*)cur, "StandardEncoding", 16 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1108 | face->type1.encoding_type = T1_ENCODING_TYPE_STANDARD; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1109 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1110 | else if ( cur + 15 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1111 | ft_strncmp( (const char*)cur, "ExpertEncoding", 14 ) == 0 ) |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1112 | face->type1.encoding_type = T1_ENCODING_TYPE_EXPERT; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1113 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1114 | else if ( cur + 18 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1115 | ft_strncmp( (const char*)cur, "ISOLatin1Encoding", 17 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1116 | face->type1.encoding_type = T1_ENCODING_TYPE_ISOLATIN1; |
Werner Lemberg | 66b3509 | 2002-02-10 12:33:14 +0000 | [diff] [blame] | 1117 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1118 | else |
| 1119 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1120 | FT_ERROR(( "parse_encoding: invalid token!\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1121 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1122 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1127 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1128 | parse_subrs( T1_Face face, |
| 1129 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1130 | { |
David Turner | 9ddeee1 | 2002-03-06 12:36:22 +0000 | [diff] [blame] | 1131 | T1_Parser parser = &loader->parser; |
| 1132 | PS_Table table = &loader->subrs; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1133 | FT_Memory memory = parser->root.memory; |
| 1134 | FT_Error error; |
| 1135 | FT_Int n; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1136 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1137 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1138 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1139 | |
Tom Kacvinsky | 48f26bc | 2001-10-20 17:44:48 +0000 | [diff] [blame] | 1140 | if ( loader->num_subrs ) |
| 1141 | /* with synthetic fonts, it's possible we get here twice */ |
| 1142 | return; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1143 | |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1144 | if ( parser->root.cursor + 2 > parser->root.limit && |
| 1145 | parser->root.cursor[0] == '[' && |
| 1146 | parser->root.cursor[1] == ']' ) |
| 1147 | { |
| 1148 | /* empty array */ |
| 1149 | return; |
| 1150 | } |
| 1151 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1152 | loader->num_subrs = (FT_Int)T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1153 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1154 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1155 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1156 | /* position the parser right before the `dup' of the first subr */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1157 | T1_Skip_Spaces( parser ); |
| 1158 | T1_Skip_Alpha( parser ); /* `array' */ |
| 1159 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1160 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1161 | /* initialize subrs array */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1162 | error = psaux->ps_table_funcs->init( table, loader->num_subrs, memory ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1163 | if ( error ) |
| 1164 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1165 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1166 | /* the format is simple: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1167 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1168 | /* `index' + binary data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1169 | /* */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1170 | for ( n = 0; n < loader->num_subrs; n++ ) |
| 1171 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1172 | FT_Long idx, size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1173 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1174 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1175 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1176 | /* If the next token isn't `dup', we are also done. This */ |
| 1177 | /* happens when there are `holes' in the Subrs array. */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1178 | if ( ft_strncmp( (char*)parser->root.cursor, "dup", 3 ) != 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1179 | break; |
| 1180 | |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1181 | idx = T1_ToInt( parser ); |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1182 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1183 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1184 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1185 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1186 | /* The binary string is followed by one token, e.g. `NP' */ |
| 1187 | /* (bound to `noaccess put') or by two separate tokens: */ |
| 1188 | /* `noaccess' & `put'. We position the parser right */ |
| 1189 | /* before the next `dup', if any. */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1190 | T1_Skip_Spaces( parser ); |
| 1191 | T1_Skip_Alpha( parser ); /* `NP' or `I' or `noaccess' */ |
| 1192 | T1_Skip_Spaces( parser ); |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1193 | |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1194 | if ( ft_strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1195 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1196 | T1_Skip_Alpha( parser ); /* skip `put' */ |
| 1197 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1200 | /* some fonts use a value of -1 for lenIV to indicate that */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1201 | /* the charstrings are unencoded */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1202 | /* */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1203 | /* thanks to Tom Kacvinsky for pointing this out */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1204 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1205 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1206 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1207 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1208 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1209 | |
| 1210 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1211 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1212 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1213 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1214 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1215 | size -= face->type1.private_dict.lenIV; |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1216 | error = T1_Add_Table( table, (FT_Int)idx, |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1217 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1218 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1219 | } |
| 1220 | else |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1221 | error = T1_Add_Table( table, (FT_Int)idx, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1222 | if ( error ) |
| 1223 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1224 | } |
| 1225 | return; |
| 1226 | |
| 1227 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1228 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1229 | } |
| 1230 | |
| 1231 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1232 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1233 | parse_charstrings( T1_Face face, |
| 1234 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1235 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1236 | T1_Parser parser = &loader->parser; |
| 1237 | PS_Table code_table = &loader->charstrings; |
| 1238 | PS_Table name_table = &loader->glyph_names; |
| 1239 | PS_Table swap_table = &loader->swap_table; |
| 1240 | FT_Memory memory = parser->root.memory; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1241 | FT_Error error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1242 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1243 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1244 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1245 | FT_Byte* cur; |
| 1246 | FT_Byte* limit = parser->root.limit; |
| 1247 | FT_Int n; |
| 1248 | FT_UInt notdef_index = 0; |
| 1249 | FT_Byte notdef_found = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1250 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1251 | |
Just van Rossum | 7c64409 | 2000-08-01 04:29:25 +0000 | [diff] [blame] | 1252 | if ( loader->num_glyphs ) |
| 1253 | /* with synthetic fonts, it's possible we get here twice */ |
| 1254 | return; |
| 1255 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1256 | loader->num_glyphs = (FT_Int)T1_ToInt( parser ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1257 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1258 | return; |
| 1259 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1260 | /* initialize tables (leaving room for addition of .notdef, */ |
David Turner | 09d55ce | 2001-05-11 18:08:58 +0000 | [diff] [blame] | 1261 | /* if necessary). */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1262 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1263 | error = psaux->ps_table_funcs->init( code_table, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1264 | loader->num_glyphs + 1, |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1265 | memory ); |
| 1266 | if ( error ) |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1267 | goto Fail; |
| 1268 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1269 | error = psaux->ps_table_funcs->init( name_table, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1270 | loader->num_glyphs + 1, |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1271 | memory ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1272 | if ( error ) |
| 1273 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1274 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1275 | /* Initialize table for swapping index notdef_index and */ |
| 1276 | /* index 0 names and codes (if necessary). */ |
| 1277 | |
| 1278 | error = psaux->ps_table_funcs->init( swap_table, 4, memory ); |
| 1279 | |
| 1280 | if ( error ) |
| 1281 | goto Fail; |
| 1282 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1283 | n = 0; |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1284 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1285 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1286 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1287 | FT_Long size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1288 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1289 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1290 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1291 | /* the format is simple: */ |
| 1292 | /* `/glyphname' + binary data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1293 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1294 | /* note that we stop when we find a `def' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1295 | /* */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1296 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1297 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1298 | cur = parser->root.cursor; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1299 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1300 | break; |
| 1301 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1302 | /* we stop when we find a `def' or `end' keyword */ |
| 1303 | if ( *cur == 'd' && |
| 1304 | cur + 3 < limit && |
| 1305 | cur[1] == 'e' && |
| 1306 | cur[2] == 'f' ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1307 | break; |
| 1308 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1309 | if ( *cur == 'e' && |
| 1310 | cur + 3 < limit && |
| 1311 | cur[1] == 'n' && |
| 1312 | cur[2] == 'd' ) |
| 1313 | break; |
| 1314 | |
| 1315 | if ( *cur != '/' ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1316 | T1_Skip_Alpha( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1317 | else |
| 1318 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1319 | FT_Byte* cur2 = cur + 1; |
| 1320 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1321 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1322 | |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 1323 | while ( cur2 < limit && is_name_char( *cur2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1324 | cur2++; |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1325 | len = cur2 - cur - 1; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1326 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1327 | error = T1_Add_Table( name_table, n, cur + 1, len + 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1328 | if ( error ) |
| 1329 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1330 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1331 | /* add a trailing zero to the name table */ |
| 1332 | name_table->elements[n][len] = '\0'; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1333 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1334 | /* record index of /.notdef */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1335 | if ( ft_strcmp( (const char*)".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1336 | (const char*)(name_table->elements[n]) ) == 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1337 | { |
| 1338 | notdef_index = n; |
| 1339 | notdef_found = 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1340 | } |
| 1341 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1342 | parser->root.cursor = cur2; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1343 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1344 | return; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1345 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1346 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1347 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1348 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1349 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1350 | |
| 1351 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1352 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1353 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1354 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1355 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1356 | size -= face->type1.private_dict.lenIV; |
| 1357 | error = T1_Add_Table( code_table, n, |
| 1358 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1359 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1360 | } |
| 1361 | else |
| 1362 | error = T1_Add_Table( code_table, n, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1363 | if ( error ) |
| 1364 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1365 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1366 | n++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1367 | if ( n >= loader->num_glyphs ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1368 | break; |
| 1369 | } |
| 1370 | } |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1371 | |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1372 | loader->num_glyphs = n; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1373 | |
| 1374 | /* if /.notdef is found but does not occupy index 0, do our magic. */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1375 | if ( ft_strcmp( (const char*)".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1376 | (const char*)name_table->elements[0] ) && |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1377 | notdef_found ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1378 | { |
Werner Lemberg | ef6ebd6 | 2001-04-11 18:09:49 +0000 | [diff] [blame] | 1379 | /* Swap glyph in index 0 with /.notdef glyph. First, add index 0 */ |
Tom Kacvinsky | 9d770c9 | 2001-04-11 18:40:27 +0000 | [diff] [blame] | 1380 | /* name and code entries to swap_table. Then place notdef_index name */ |
| 1381 | /* and code entries into swap_table. Then swap name and code */ |
Werner Lemberg | ef6ebd6 | 2001-04-11 18:09:49 +0000 | [diff] [blame] | 1382 | /* entries at indices notdef_index and 0 using values stored in */ |
| 1383 | /* swap_table. */ |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1384 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1385 | /* Index 0 name */ |
| 1386 | error = T1_Add_Table( swap_table, 0, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1387 | name_table->elements[0], |
| 1388 | name_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1389 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1390 | goto Fail; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1391 | |
| 1392 | /* Index 0 code */ |
| 1393 | error = T1_Add_Table( swap_table, 1, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1394 | code_table->elements[0], |
| 1395 | code_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1396 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1397 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1398 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1399 | /* Index notdef_index name */ |
| 1400 | error = T1_Add_Table( swap_table, 2, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1401 | name_table->elements[notdef_index], |
| 1402 | name_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1403 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1404 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1405 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1406 | /* Index notdef_index code */ |
| 1407 | error = T1_Add_Table( swap_table, 3, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1408 | code_table->elements[notdef_index], |
| 1409 | code_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1410 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1411 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1412 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1413 | error = T1_Add_Table( name_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1414 | swap_table->elements[0], |
| 1415 | swap_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1416 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1417 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1418 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1419 | error = T1_Add_Table( code_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1420 | swap_table->elements[1], |
| 1421 | swap_table->lengths [1] ); |
| 1422 | if ( error ) |
| 1423 | goto Fail; |
| 1424 | |
| 1425 | error = T1_Add_Table( name_table, 0, |
| 1426 | swap_table->elements[2], |
| 1427 | swap_table->lengths [2] ); |
| 1428 | if ( error ) |
| 1429 | goto Fail; |
| 1430 | |
| 1431 | error = T1_Add_Table( code_table, 0, |
| 1432 | swap_table->elements[3], |
| 1433 | swap_table->lengths [3] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1434 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1435 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1436 | |
| 1437 | } |
| 1438 | else if ( !notdef_found ) |
| 1439 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1440 | /* notdef_index is already 0, or /.notdef is undefined in */ |
| 1441 | /* charstrings dictionary. Worry about /.notdef undefined. */ |
| 1442 | /* We take index 0 and add it to the end of the table(s) */ |
| 1443 | /* and add our own /.notdef glyph to index 0. */ |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1444 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1445 | /* 0 333 hsbw endchar */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1446 | FT_Byte notdef_glyph[] = {0x8B, 0xF7, 0xE1, 0x0D, 0x0E}; |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1447 | char* notdef_name = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1448 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1449 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1450 | error = T1_Add_Table( swap_table, 0, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1451 | name_table->elements[0], |
| 1452 | name_table->lengths [0] ); |
| 1453 | if ( error ) |
| 1454 | goto Fail; |
| 1455 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1456 | error = T1_Add_Table( swap_table, 1, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1457 | code_table->elements[0], |
| 1458 | code_table->lengths [0] ); |
| 1459 | if ( error ) |
| 1460 | goto Fail; |
| 1461 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1462 | error = T1_Add_Table( name_table, 0, notdef_name, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1463 | if ( error ) |
| 1464 | goto Fail; |
| 1465 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1466 | error = T1_Add_Table( code_table, 0, notdef_glyph, 5 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1467 | |
| 1468 | if ( error ) |
| 1469 | goto Fail; |
| 1470 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1471 | error = T1_Add_Table( name_table, n, |
| 1472 | swap_table->elements[0], |
| 1473 | swap_table->lengths [0] ); |
| 1474 | if ( error ) |
| 1475 | goto Fail; |
| 1476 | |
| 1477 | error = T1_Add_Table( code_table, n, |
| 1478 | swap_table->elements[1], |
| 1479 | swap_table->lengths [1] ); |
| 1480 | if ( error ) |
| 1481 | goto Fail; |
| 1482 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1483 | /* we added a glyph. */ |
| 1484 | loader->num_glyphs = n + 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1485 | } |
| 1486 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1487 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1488 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1489 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1490 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1491 | } |
| 1492 | |
| 1493 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1494 | static |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1495 | const T1_FieldRec t1_keywords[] = |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1496 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1497 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 1498 | #include "t1tokens.h" |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1499 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1500 | /* now add the special functions... */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1501 | T1_FIELD_CALLBACK( "FontName", parse_font_name ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1502 | #if 0 |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1503 | T1_FIELD_CALLBACK( "FontBBox", parse_font_bbox ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1504 | #endif |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1505 | T1_FIELD_CALLBACK( "FontMatrix", parse_font_matrix ) |
| 1506 | T1_FIELD_CALLBACK( "Encoding", parse_encoding ) |
| 1507 | T1_FIELD_CALLBACK( "Subrs", parse_subrs ) |
| 1508 | T1_FIELD_CALLBACK( "CharStrings", parse_charstrings ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1509 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1510 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1511 | T1_FIELD_CALLBACK( "BlendDesignPositions", parse_blend_design_positions ) |
| 1512 | T1_FIELD_CALLBACK( "BlendDesignMap", parse_blend_design_map ) |
| 1513 | T1_FIELD_CALLBACK( "BlendAxisTypes", parse_blend_axis_types ) |
| 1514 | T1_FIELD_CALLBACK( "WeightVector", parse_weight_vector ) |
| 1515 | T1_FIELD_CALLBACK( "shareddict", parse_shared_dict ) |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1516 | #endif |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1517 | |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 1518 | { 0, T1_FIELD_LOCATION_CID_INFO, T1_FIELD_TYPE_NONE, 0, 0, 0, 0, 0 } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1519 | }; |
| 1520 | |
| 1521 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1522 | static FT_Error |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1523 | parse_dict( T1_Face face, |
| 1524 | T1_Loader loader, |
| 1525 | FT_Byte* base, |
| 1526 | FT_Long size ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1527 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1528 | T1_Parser parser = &loader->parser; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1529 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1530 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1531 | parser->root.cursor = base; |
| 1532 | parser->root.limit = base + size; |
| 1533 | parser->root.error = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1534 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1535 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1536 | FT_Byte* cur = base; |
| 1537 | FT_Byte* limit = cur + size; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1538 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1539 | |
| 1540 | for ( ; cur < limit; cur++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1541 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1542 | /* look for `FontDirectory', which causes problems on some fonts */ |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1543 | if ( *cur == 'F' && cur + 25 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1544 | ft_strncmp( (char*)cur, "FontDirectory", 13 ) == 0 ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1545 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1546 | FT_Byte* cur2; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1547 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1548 | |
| 1549 | /* skip the `FontDirectory' keyword */ |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1550 | cur += 13; |
| 1551 | cur2 = cur; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1552 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1553 | /* lookup the `known' keyword */ |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1554 | while ( cur < limit && *cur != 'k' && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1555 | ft_strncmp( (char*)cur, "known", 5 ) ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1556 | cur++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1557 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1558 | if ( cur < limit ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1559 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1560 | T1_TokenRec token; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1561 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1562 | |
| 1563 | /* skip the `known' keyword and the token following it */ |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1564 | cur += 5; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1565 | loader->parser.root.cursor = cur; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1566 | T1_ToToken( &loader->parser, &token ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1567 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1568 | /* if the last token was an array, skip it! */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1569 | if ( token.type == T1_TOKEN_TYPE_ARRAY ) |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1570 | cur2 = parser->root.cursor; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1571 | } |
| 1572 | cur = cur2; |
| 1573 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1574 | /* look for immediates */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1575 | else if ( *cur == '/' && cur + 2 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1576 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1577 | FT_Byte* cur2; |
| 1578 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1579 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1580 | |
| 1581 | cur++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1582 | cur2 = cur; |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 1583 | while ( cur2 < limit && is_name_char( *cur2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1584 | cur2++; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1585 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1586 | len = cur2 - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1587 | if ( len > 0 && len < 22 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1588 | { |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1589 | { |
| 1590 | /* now, compare the immediate name to the keyword table */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1591 | T1_Field keyword = (T1_Field)t1_keywords; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1592 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1593 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1594 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1595 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1596 | FT_Byte* name; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1597 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1598 | |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 1599 | name = (FT_Byte*)keyword->ident; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1600 | if ( !name ) |
| 1601 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1602 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1603 | if ( cur[0] == name[0] && |
| 1604 | len == ft_strlen( (const char*)name ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1605 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1606 | FT_PtrDist n; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1607 | |
| 1608 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1609 | for ( n = 1; n < len; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1610 | if ( cur[n] != name[n] ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1611 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1612 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1613 | if ( n >= len ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1614 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1615 | /* we found it -- run the parsing callback! */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1616 | parser->root.cursor = cur2; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1617 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1618 | parser->root.error = t1_load_keyword( face, |
| 1619 | loader, |
| 1620 | keyword ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1621 | if ( parser->root.error ) |
| 1622 | return parser->root.error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1623 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1624 | cur = parser->root.cursor; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1625 | break; |
| 1626 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1627 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1628 | keyword++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1629 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1630 | } |
| 1631 | } |
| 1632 | } |
| 1633 | } |
| 1634 | } |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1635 | return parser->root.error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1636 | } |
| 1637 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1638 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1639 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1640 | t1_init_loader( T1_Loader loader, |
| 1641 | T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1642 | { |
| 1643 | FT_UNUSED( face ); |
| 1644 | |
Werner Lemberg | b3d5e9c | 2002-07-28 05:05:24 +0000 | [diff] [blame] | 1645 | FT_MEM_ZERO( loader, sizeof ( *loader ) ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1646 | loader->num_glyphs = 0; |
| 1647 | loader->num_chars = 0; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1648 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1649 | /* initialize the tables -- simply set their `init' field to 0 */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1650 | loader->encoding_table.init = 0; |
| 1651 | loader->charstrings.init = 0; |
| 1652 | loader->glyph_names.init = 0; |
| 1653 | loader->subrs.init = 0; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1654 | loader->swap_table.init = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1655 | loader->fontdata = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1656 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1657 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1658 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1659 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1660 | t1_done_loader( T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1661 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1662 | T1_Parser parser = &loader->parser; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1663 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1664 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1665 | /* finalize tables */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1666 | T1_Release_Table( &loader->encoding_table ); |
| 1667 | T1_Release_Table( &loader->charstrings ); |
| 1668 | T1_Release_Table( &loader->glyph_names ); |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1669 | T1_Release_Table( &loader->swap_table ); |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1670 | T1_Release_Table( &loader->subrs ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1671 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1672 | /* finalize parser */ |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1673 | T1_Finalize_Parser( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1674 | } |
| 1675 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1676 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1677 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1678 | T1_Open_Face( T1_Face face ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1679 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1680 | T1_LoaderRec loader; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1681 | T1_Parser parser; |
| 1682 | T1_Font type1 = &face->type1; |
| 1683 | FT_Error error; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1684 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1685 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1686 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1687 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1688 | t1_init_loader( &loader, face ); |
| 1689 | |
| 1690 | /* default lenIV */ |
David Turner | 9a9315f | 2000-05-02 10:59:01 +0000 | [diff] [blame] | 1691 | type1->private_dict.lenIV = 4; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1692 | |
David Turner | 971517a | 2002-07-08 23:13:25 +0000 | [diff] [blame] | 1693 | /* default blue fuzz, we put it there since 0 is a valid value */ |
| 1694 | type1->private_dict.blue_fuzz = 1; |
| 1695 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1696 | parser = &loader.parser; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1697 | error = T1_New_Parser( parser, |
| 1698 | face->root.stream, |
| 1699 | face->root.memory, |
| 1700 | psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1701 | if ( error ) |
| 1702 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1703 | |
| 1704 | error = parse_dict( face, &loader, parser->base_dict, parser->base_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1705 | if ( error ) |
| 1706 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1707 | |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 1708 | error = T1_Get_Private_Dict( parser, psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1709 | if ( error ) |
| 1710 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1711 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1712 | error = parse_dict( face, &loader, parser->private_dict, |
| 1713 | parser->private_len ); |
| 1714 | if ( error ) |
| 1715 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1716 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1717 | /* now, propagate the subrs, charstrings, and glyphnames tables */ |
| 1718 | /* to the Type1 data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1719 | type1->num_glyphs = loader.num_glyphs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1720 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1721 | if ( loader.subrs.init ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1722 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1723 | loader.subrs.init = 0; |
| 1724 | type1->num_subrs = loader.num_subrs; |
| 1725 | type1->subrs_block = loader.subrs.block; |
| 1726 | type1->subrs = loader.subrs.elements; |
| 1727 | type1->subrs_len = loader.subrs.lengths; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1728 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1729 | |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 1730 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1731 | if ( !face->root.internal->incremental_interface ) |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 1732 | #endif |
| 1733 | if ( !loader.charstrings.init ) |
| 1734 | { |
| 1735 | FT_ERROR(( "T1_Open_Face: no charstrings array in face!\n" )); |
| 1736 | error = T1_Err_Invalid_File_Format; |
| 1737 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1738 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1739 | loader.charstrings.init = 0; |
| 1740 | type1->charstrings_block = loader.charstrings.block; |
| 1741 | type1->charstrings = loader.charstrings.elements; |
| 1742 | type1->charstrings_len = loader.charstrings.lengths; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1743 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1744 | /* we copy the glyph names `block' and `elements' fields; */ |
| 1745 | /* the `lengths' field must be released later */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1746 | type1->glyph_names_block = loader.glyph_names.block; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1747 | type1->glyph_names = (FT_String**)loader.glyph_names.elements; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1748 | loader.glyph_names.block = 0; |
| 1749 | loader.glyph_names.elements = 0; |
| 1750 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1751 | /* we must now build type1.encoding when we have a custom array */ |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1752 | if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1753 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1754 | FT_Int charcode, idx, min_char, max_char; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1755 | FT_Byte* char_name; |
| 1756 | FT_Byte* glyph_name; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1757 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1758 | |
| 1759 | /* OK, we do the following: for each element in the encoding */ |
| 1760 | /* table, look up the index of the glyph having the same name */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1761 | /* the index is then stored in type1.encoding.char_index, and */ |
| 1762 | /* a the name to type1.encoding.char_name */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1763 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1764 | min_char = +32000; |
| 1765 | max_char = -32000; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1766 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1767 | charcode = 0; |
Tom Kacvinsky | 95ac657 | 2000-10-15 08:53:27 +0000 | [diff] [blame] | 1768 | for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1769 | { |
| 1770 | type1->encoding.char_index[charcode] = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 1771 | type1->encoding.char_name [charcode] = (char *)".notdef"; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1772 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1773 | char_name = loader.encoding_table.elements[charcode]; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1774 | if ( char_name ) |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1775 | for ( idx = 0; idx < type1->num_glyphs; idx++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1776 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1777 | glyph_name = (FT_Byte*)type1->glyph_names[idx]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1778 | if ( ft_strcmp( (const char*)char_name, |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1779 | (const char*)glyph_name ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1780 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1781 | type1->encoding.char_index[charcode] = (FT_UShort)idx; |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 1782 | type1->encoding.char_name [charcode] = (char*)glyph_name; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1783 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1784 | /* Change min/max encoded char only if glyph name is */ |
| 1785 | /* not /.notdef */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1786 | if ( ft_strcmp( (const char*)".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1787 | (const char*)glyph_name ) != 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1788 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1789 | if ( charcode < min_char ) min_char = charcode; |
| 1790 | if ( charcode > max_char ) max_char = charcode; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1791 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1792 | break; |
| 1793 | } |
| 1794 | } |
| 1795 | } |
Werner Lemberg | b442ca1 | 2003-04-23 15:50:27 +0000 | [diff] [blame] | 1796 | /* Yes, this happens: Certain PDF-embedded fonts have only a ".notdef" |
| 1797 | * glyph defined! |
| 1798 | */ |
David Turner | e0ec6b3 | 2003-04-03 15:52:59 +0000 | [diff] [blame] | 1799 | if ( min_char > max_char ) |
| 1800 | { |
| 1801 | min_char = 0; |
| 1802 | max_char = loader.encoding_table.max_elems; |
| 1803 | } |
| 1804 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1805 | type1->encoding.code_first = min_char; |
| 1806 | type1->encoding.code_last = max_char; |
| 1807 | type1->encoding.num_chars = loader.num_chars; |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1808 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1809 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1810 | Exit: |
| 1811 | t1_done_loader( &loader ); |
| 1812 | return error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1813 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1814 | |
| 1815 | |
| 1816 | /* END */ |