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 | 15b60bb | 2009-03-03 21:35:32 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 44 | /* macros calls PARSE_XXX. This file is included twice here; the first */ |
| 45 | /* time to generate parsing callback functions, the second time to */ |
| 46 | /* generate a table of keywords (with pointers to the associated */ |
| 47 | /* callback functions). */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 48 | /* */ |
| 49 | /* The function `parse_dict' simply scans *linearly* a given dictionary */ |
| 50 | /* (either the top-level or private one) and calls the appropriate */ |
| 51 | /* callback when it encounters an immediate keyword. */ |
| 52 | /* */ |
| 53 | /* This is by far the fastest way one can find to parse and read all */ |
| 54 | /* data. */ |
| 55 | /* */ |
| 56 | /* This led to tremendous code size reduction. Note that later, the */ |
| 57 | /* glyph loader will also be _greatly_ simplified, and the automatic */ |
| 58 | /* hinter will replace the clumsy `t1hinter'. */ |
| 59 | /* */ |
| 60 | /*************************************************************************/ |
| 61 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 62 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 63 | #include <ft2build.h> |
| 64 | #include FT_INTERNAL_DEBUG_H |
| 65 | #include FT_CONFIG_CONFIG_H |
| 66 | #include FT_MULTIPLE_MASTERS_H |
| 67 | #include FT_INTERNAL_TYPE1_TYPES_H |
Werner Lemberg | 11cb8c3 | 2009-06-22 16:56:47 +0200 | [diff] [blame] | 68 | #include FT_INTERNAL_CALC_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 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 74 | /*************************************************************************/ |
| 75 | /* */ |
| 76 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 77 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 78 | /* messages during execution. */ |
| 79 | /* */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 80 | #undef FT_COMPONENT |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 81 | #define FT_COMPONENT trace_t1load |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 82 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 83 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 84 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 85 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 86 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 87 | /*************************************************************************/ |
| 88 | /*************************************************************************/ |
| 89 | /***** *****/ |
| 90 | /***** MULTIPLE MASTERS SUPPORT *****/ |
| 91 | /***** *****/ |
| 92 | /*************************************************************************/ |
| 93 | /*************************************************************************/ |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 94 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 95 | static FT_Error |
| 96 | t1_allocate_blend( T1_Face face, |
| 97 | FT_UInt num_designs, |
| 98 | FT_UInt num_axis ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 99 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 100 | PS_Blend blend; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 101 | FT_Memory memory = face->root.memory; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 102 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 103 | |
| 104 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 105 | blend = face->blend; |
| 106 | if ( !blend ) |
| 107 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 108 | if ( FT_NEW( blend ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 109 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 110 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 111 | blend->num_default_design_vector = 0; |
| 112 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 113 | face->blend = blend; |
| 114 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 115 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 116 | /* allocate design data if needed */ |
| 117 | if ( num_designs > 0 ) |
| 118 | { |
| 119 | if ( blend->num_designs == 0 ) |
| 120 | { |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 121 | FT_UInt nn; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 122 | |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 123 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 124 | /* allocate the blend `private' and `font_info' dictionaries */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 125 | if ( FT_NEW_ARRAY( blend->font_infos[1], num_designs ) || |
| 126 | FT_NEW_ARRAY( blend->privates[1], num_designs ) || |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 127 | FT_NEW_ARRAY( blend->bboxes[1], num_designs ) || |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 128 | FT_NEW_ARRAY( blend->weight_vector, num_designs * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 129 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 130 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 131 | blend->default_weight_vector = blend->weight_vector + num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 132 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 133 | blend->font_infos[0] = &face->type1.font_info; |
| 134 | blend->privates [0] = &face->type1.private_dict; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 135 | blend->bboxes [0] = &face->type1.font_bbox; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 136 | |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 137 | for ( nn = 2; nn <= num_designs; nn++ ) |
| 138 | { |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 139 | blend->privates[nn] = blend->privates [nn - 1] + 1; |
| 140 | blend->font_infos[nn] = blend->font_infos[nn - 1] + 1; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 141 | blend->bboxes[nn] = blend->bboxes [nn - 1] + 1; |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 142 | } |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 143 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 144 | blend->num_designs = num_designs; |
| 145 | } |
| 146 | else if ( blend->num_designs != num_designs ) |
| 147 | goto Fail; |
| 148 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 149 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 150 | /* allocate axis data if needed */ |
| 151 | if ( num_axis > 0 ) |
| 152 | { |
| 153 | if ( blend->num_axis != 0 && blend->num_axis != num_axis ) |
| 154 | goto Fail; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 155 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 156 | blend->num_axis = num_axis; |
| 157 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 158 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 159 | /* allocate the blend design pos table if needed */ |
| 160 | num_designs = blend->num_designs; |
| 161 | num_axis = blend->num_axis; |
| 162 | if ( num_designs && num_axis && blend->design_pos[0] == 0 ) |
| 163 | { |
| 164 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 165 | |
| 166 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 167 | if ( FT_NEW_ARRAY( blend->design_pos[0], num_designs * num_axis ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 168 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 169 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 170 | for ( n = 1; n < num_designs; n++ ) |
| 171 | blend->design_pos[n] = blend->design_pos[0] + num_axis * n; |
| 172 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 173 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 174 | Exit: |
| 175 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 176 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 177 | Fail: |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 178 | error = T1_Err_Invalid_File_Format; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 179 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 183 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 184 | T1_Get_Multi_Master( T1_Face face, |
| 185 | FT_Multi_Master* master ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 186 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 187 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 188 | FT_UInt n; |
| 189 | FT_Error error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 190 | |
| 191 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 192 | error = T1_Err_Invalid_Argument; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 193 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 194 | if ( blend ) |
| 195 | { |
| 196 | master->num_axis = blend->num_axis; |
| 197 | master->num_designs = blend->num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 198 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 199 | for ( n = 0; n < blend->num_axis; n++ ) |
| 200 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 201 | FT_MM_Axis* axis = master->axis + n; |
| 202 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 203 | |
| 204 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 205 | axis->name = blend->axis_names[n]; |
| 206 | axis->minimum = map->design_points[0]; |
| 207 | axis->maximum = map->design_points[map->num_points - 1]; |
| 208 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 209 | |
| 210 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 211 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 212 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 213 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 217 | /*************************************************************************/ |
| 218 | /* */ |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 219 | /* Given a normalized (blend) coordinate, figure out the design */ |
| 220 | /* coordinate appropriate for that value. */ |
| 221 | /* */ |
| 222 | FT_LOCAL_DEF( FT_Fixed ) |
| 223 | mm_axis_unmap( PS_DesignMap axismap, |
| 224 | FT_Fixed ncv ) |
| 225 | { |
| 226 | int j; |
| 227 | |
| 228 | |
| 229 | if ( ncv <= axismap->blend_points[0] ) |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 230 | return INT_TO_FIXED( axismap->design_points[0] ); |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 231 | |
| 232 | for ( j = 1; j < axismap->num_points; ++j ) |
| 233 | { |
| 234 | if ( ncv <= axismap->blend_points[j] ) |
| 235 | { |
| 236 | FT_Fixed t = FT_MulDiv( ncv - axismap->blend_points[j - 1], |
| 237 | 0x10000L, |
| 238 | axismap->blend_points[j] - |
| 239 | axismap->blend_points[j - 1] ); |
| 240 | |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 241 | return INT_TO_FIXED( axismap->design_points[j - 1] ) + |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 242 | FT_MulDiv( t, |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 243 | axismap->design_points[j] - |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 244 | axismap->design_points[j - 1], |
| 245 | 1L ); |
| 246 | } |
| 247 | } |
| 248 | |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 249 | return INT_TO_FIXED( axismap->design_points[axismap->num_points - 1] ); |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | |
| 253 | /*************************************************************************/ |
| 254 | /* */ |
| 255 | /* Given a vector of weights, one for each design, figure out the */ |
| 256 | /* normalized axis coordinates which gave rise to those weights. */ |
| 257 | /* */ |
| 258 | FT_LOCAL_DEF( void ) |
| 259 | mm_weights_unmap( FT_Fixed* weights, |
| 260 | FT_Fixed* axiscoords, |
| 261 | FT_UInt axis_count ) |
| 262 | { |
| 263 | FT_ASSERT( axis_count <= T1_MAX_MM_AXIS ); |
| 264 | |
| 265 | if ( axis_count == 1 ) |
| 266 | axiscoords[0] = weights[1]; |
| 267 | |
| 268 | else if ( axis_count == 2 ) |
| 269 | { |
| 270 | axiscoords[0] = weights[3] + weights[1]; |
| 271 | axiscoords[1] = weights[3] + weights[2]; |
| 272 | } |
| 273 | |
| 274 | else if ( axis_count == 3 ) |
| 275 | { |
| 276 | axiscoords[0] = weights[7] + weights[5] + weights[3] + weights[1]; |
| 277 | axiscoords[1] = weights[7] + weights[6] + weights[3] + weights[2]; |
| 278 | axiscoords[2] = weights[7] + weights[6] + weights[5] + weights[4]; |
| 279 | } |
| 280 | |
| 281 | else |
| 282 | { |
| 283 | axiscoords[0] = weights[15] + weights[13] + weights[11] + weights[9] + |
| 284 | weights[7] + weights[5] + weights[3] + weights[1]; |
| 285 | axiscoords[1] = weights[15] + weights[14] + weights[11] + weights[10] + |
| 286 | weights[7] + weights[6] + weights[3] + weights[2]; |
| 287 | axiscoords[2] = weights[15] + weights[14] + weights[13] + weights[12] + |
| 288 | weights[7] + weights[6] + weights[5] + weights[4]; |
| 289 | axiscoords[3] = weights[15] + weights[14] + weights[13] + weights[12] + |
| 290 | weights[11] + weights[10] + weights[9] + weights[8]; |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | |
| 295 | /*************************************************************************/ |
| 296 | /* */ |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 297 | /* Just a wrapper around T1_Get_Multi_Master to support the different */ |
| 298 | /* arguments needed by the GX var distortable fonts. */ |
| 299 | /* */ |
| 300 | FT_LOCAL_DEF( FT_Error ) |
| 301 | T1_Get_MM_Var( T1_Face face, |
| 302 | FT_MM_Var* *master ) |
| 303 | { |
| 304 | FT_Memory memory = face->root.memory; |
| 305 | FT_MM_Var *mmvar; |
| 306 | FT_Multi_Master mmaster; |
| 307 | FT_Error error; |
| 308 | FT_UInt i; |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 309 | FT_Fixed axiscoords[T1_MAX_MM_AXIS]; |
| 310 | PS_Blend blend = face->blend; |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 311 | |
| 312 | |
| 313 | error = T1_Get_Multi_Master( face, &mmaster ); |
| 314 | if ( error ) |
| 315 | goto Exit; |
| 316 | if ( FT_ALLOC( mmvar, |
| 317 | sizeof ( FT_MM_Var ) + |
| 318 | mmaster.num_axis * sizeof ( FT_Var_Axis ) ) ) |
| 319 | goto Exit; |
| 320 | |
| 321 | mmvar->num_axis = mmaster.num_axis; |
| 322 | mmvar->num_designs = mmaster.num_designs; |
| 323 | mmvar->num_namedstyles = (FT_UInt)-1; /* Does not apply */ |
| 324 | mmvar->axis = (FT_Var_Axis*)&mmvar[1]; |
| 325 | /* Point to axes after MM_Var struct */ |
| 326 | mmvar->namedstyle = NULL; |
| 327 | |
| 328 | for ( i = 0 ; i < mmaster.num_axis; ++i ) |
| 329 | { |
| 330 | mmvar->axis[i].name = mmaster.axis[i].name; |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 331 | mmvar->axis[i].minimum = INT_TO_FIXED( mmaster.axis[i].minimum); |
| 332 | mmvar->axis[i].maximum = INT_TO_FIXED( mmaster.axis[i].maximum); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 333 | mmvar->axis[i].def = ( mmvar->axis[i].minimum + |
| 334 | mmvar->axis[i].maximum ) / 2; |
| 335 | /* Does not apply. But this value is in range */ |
Werner Lemberg | 1a5d561 | 2008-11-29 22:50:24 +0000 | [diff] [blame] | 336 | mmvar->axis[i].strid = (FT_UInt)-1; /* Does not apply */ |
| 337 | mmvar->axis[i].tag = (FT_ULong)-1; /* Does not apply */ |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 338 | |
| 339 | if ( ft_strcmp( mmvar->axis[i].name, "Weight" ) == 0 ) |
| 340 | mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'g', 'h', 't' ); |
| 341 | else if ( ft_strcmp( mmvar->axis[i].name, "Width" ) == 0 ) |
| 342 | mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'd', 't', 'h' ); |
| 343 | else if ( ft_strcmp( mmvar->axis[i].name, "OpticalSize" ) == 0 ) |
| 344 | mmvar->axis[i].tag = FT_MAKE_TAG( 'o', 'p', 's', 'z' ); |
| 345 | } |
| 346 | |
Werner Lemberg | 1a5d561 | 2008-11-29 22:50:24 +0000 | [diff] [blame] | 347 | if ( blend->num_designs == ( 1U << blend->num_axis ) ) |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 348 | { |
| 349 | mm_weights_unmap( blend->default_weight_vector, |
| 350 | axiscoords, |
| 351 | blend->num_axis ); |
| 352 | |
| 353 | for ( i = 0; i < mmaster.num_axis; ++i ) |
Werner Lemberg | ed6c0e0 | 2008-09-15 07:49:40 +0000 | [diff] [blame] | 354 | mmvar->axis[i].def = mm_axis_unmap( &blend->design_map[i], |
| 355 | axiscoords[i] ); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | *master = mmvar; |
| 359 | |
| 360 | Exit: |
| 361 | return error; |
| 362 | } |
| 363 | |
| 364 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 365 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 366 | T1_Set_MM_Blend( T1_Face face, |
| 367 | FT_UInt num_coords, |
| 368 | FT_Fixed* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 369 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 370 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 371 | FT_Error error; |
| 372 | FT_UInt n, m; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 373 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 374 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 375 | error = T1_Err_Invalid_Argument; |
| 376 | |
| 377 | if ( blend && blend->num_axis == num_coords ) |
| 378 | { |
| 379 | /* recompute the weight vector from the blend coordinates */ |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 380 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 381 | |
| 382 | for ( n = 0; n < blend->num_designs; n++ ) |
| 383 | { |
| 384 | FT_Fixed result = 0x10000L; /* 1.0 fixed */ |
| 385 | |
| 386 | |
| 387 | for ( m = 0; m < blend->num_axis; m++ ) |
| 388 | { |
| 389 | FT_Fixed factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 390 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 391 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 392 | /* get current blend axis position */ |
| 393 | factor = coords[m]; |
| 394 | if ( factor < 0 ) factor = 0; |
| 395 | if ( factor > 0x10000L ) factor = 0x10000L; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 396 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 397 | if ( ( n & ( 1 << m ) ) == 0 ) |
| 398 | factor = 0x10000L - factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 399 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 400 | result = FT_MulFix( result, factor ); |
| 401 | } |
| 402 | blend->weight_vector[n] = result; |
| 403 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 404 | |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 405 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 406 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 407 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 408 | return error; |
| 409 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 410 | |
| 411 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 412 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 413 | T1_Set_MM_Design( T1_Face face, |
| 414 | FT_UInt num_coords, |
| 415 | FT_Long* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 416 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 417 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 418 | FT_Error error; |
| 419 | FT_UInt n, p; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 420 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 421 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 422 | error = T1_Err_Invalid_Argument; |
| 423 | if ( blend && blend->num_axis == num_coords ) |
| 424 | { |
| 425 | /* compute the blend coordinates through the blend design map */ |
| 426 | FT_Fixed final_blends[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 427 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 428 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 429 | for ( n = 0; n < blend->num_axis; n++ ) |
| 430 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 431 | FT_Long design = coords[n]; |
| 432 | FT_Fixed the_blend; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 433 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 434 | FT_Long* designs = map->design_points; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 435 | FT_Fixed* blends = map->blend_points; |
| 436 | FT_Int before = -1, after = -1; |
| 437 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 438 | |
David Turner | efa80f2 | 2000-12-01 21:43:05 +0000 | [diff] [blame] | 439 | for ( p = 0; p < (FT_UInt)map->num_points; p++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 440 | { |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 441 | FT_Long p_design = designs[p]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 442 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 443 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 444 | /* exact match? */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 445 | if ( design == p_design ) |
| 446 | { |
| 447 | the_blend = blends[p]; |
| 448 | goto Found; |
| 449 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 450 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 451 | if ( design < p_design ) |
| 452 | { |
| 453 | after = p; |
| 454 | break; |
| 455 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 456 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 457 | before = p; |
| 458 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 459 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 460 | /* now interpolate if necessary */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 461 | if ( before < 0 ) |
| 462 | the_blend = blends[0]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 463 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 464 | else if ( after < 0 ) |
| 465 | the_blend = blends[map->num_points - 1]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 466 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 467 | else |
| 468 | the_blend = FT_MulDiv( design - designs[before], |
| 469 | blends [after] - blends [before], |
| 470 | designs[after] - designs[before] ); |
| 471 | |
| 472 | Found: |
| 473 | final_blends[n] = the_blend; |
| 474 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 475 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 476 | error = T1_Set_MM_Blend( face, num_coords, final_blends ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | return error; |
| 480 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 481 | |
| 482 | |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 483 | /*************************************************************************/ |
| 484 | /* */ |
| 485 | /* Just a wrapper around T1_Set_MM_Design to support the different */ |
| 486 | /* arguments needed by the GX var distortable fonts. */ |
| 487 | /* */ |
| 488 | FT_LOCAL_DEF( FT_Error ) |
| 489 | T1_Set_Var_Design( T1_Face face, |
| 490 | FT_UInt num_coords, |
| 491 | FT_Fixed* coords ) |
| 492 | { |
| 493 | FT_Long lcoords[4]; /* maximum axis count is 4 */ |
| 494 | FT_UInt i; |
| 495 | FT_Error error; |
| 496 | |
| 497 | |
| 498 | error = T1_Err_Invalid_Argument; |
| 499 | if ( num_coords <= 4 && num_coords > 0 ) |
| 500 | { |
| 501 | for ( i = 0; i < num_coords; ++i ) |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 502 | lcoords[i] = FIXED_TO_INT( coords[i] ); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 503 | error = T1_Set_MM_Design( face, num_coords, lcoords ); |
| 504 | } |
| 505 | |
| 506 | return error; |
| 507 | } |
| 508 | |
| 509 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 510 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 511 | T1_Done_Blend( T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 512 | { |
| 513 | FT_Memory memory = face->root.memory; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 514 | PS_Blend blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 515 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 516 | |
| 517 | if ( blend ) |
| 518 | { |
| 519 | FT_UInt num_designs = blend->num_designs; |
| 520 | FT_UInt num_axis = blend->num_axis; |
| 521 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 522 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 523 | |
| 524 | /* release design pos table */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 525 | FT_FREE( blend->design_pos[0] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 526 | for ( n = 1; n < num_designs; n++ ) |
| 527 | blend->design_pos[n] = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 528 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 529 | /* release blend `private' and `font info' dictionaries */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 530 | FT_FREE( blend->privates[1] ); |
| 531 | FT_FREE( blend->font_infos[1] ); |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 532 | FT_FREE( blend->bboxes[1] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 533 | |
| 534 | for ( n = 0; n < num_designs; n++ ) |
| 535 | { |
| 536 | blend->privates [n] = 0; |
| 537 | blend->font_infos[n] = 0; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 538 | blend->bboxes [n] = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 539 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 540 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 541 | /* release weight vectors */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 542 | FT_FREE( blend->weight_vector ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 543 | blend->default_weight_vector = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 544 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 545 | /* release axis names */ |
| 546 | for ( n = 0; n < num_axis; n++ ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 547 | FT_FREE( blend->axis_names[n] ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 548 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 549 | /* release design map */ |
| 550 | for ( n = 0; n < num_axis; n++ ) |
| 551 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 552 | PS_DesignMap dmap = blend->design_map + n; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 553 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 554 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 555 | FT_FREE( dmap->design_points ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 556 | dmap->num_points = 0; |
| 557 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 558 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 559 | FT_FREE( face->blend ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 560 | } |
| 561 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 562 | |
| 563 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 564 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 565 | parse_blend_axis_types( T1_Face face, |
| 566 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 567 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 568 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 569 | FT_Int n, num_axis; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 570 | FT_Error error = T1_Err_Ok; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 571 | PS_Blend blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 572 | FT_Memory memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 573 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 574 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 575 | /* take an array of objects */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 576 | T1_ToTokenArray( &loader->parser, axis_tokens, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 577 | T1_MAX_MM_AXIS, &num_axis ); |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 578 | if ( num_axis < 0 ) |
| 579 | { |
| 580 | error = T1_Err_Ignore; |
| 581 | goto Exit; |
| 582 | } |
| 583 | if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 584 | { |
| 585 | FT_ERROR(( "parse_blend_axis_types: incorrect number of axes: %d\n", |
| 586 | num_axis )); |
| 587 | error = T1_Err_Invalid_File_Format; |
| 588 | goto Exit; |
| 589 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 590 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 591 | /* allocate blend if necessary */ |
| 592 | error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); |
| 593 | if ( error ) |
| 594 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 595 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 596 | blend = face->blend; |
| 597 | memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 598 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 599 | /* each token is an immediate containing the name of the axis */ |
| 600 | for ( n = 0; n < num_axis; n++ ) |
| 601 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 602 | T1_Token token = axis_tokens + n; |
| 603 | FT_Byte* name; |
| 604 | FT_PtrDist len; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 605 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 606 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 607 | /* skip first slash, if any */ |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 608 | if ( token->start[0] == '/' ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 609 | token->start++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 610 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 611 | len = token->limit - token->start; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 612 | if ( len == 0 ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 613 | { |
| 614 | error = T1_Err_Invalid_File_Format; |
| 615 | goto Exit; |
| 616 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 617 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 618 | if ( FT_ALLOC( blend->axis_names[n], len + 1 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 619 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 620 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 621 | name = (FT_Byte*)blend->axis_names[n]; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 622 | FT_MEM_COPY( name, token->start, len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 623 | name[len] = 0; |
| 624 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 625 | |
| 626 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 627 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 628 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 629 | |
| 630 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 631 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 632 | parse_blend_design_positions( T1_Face face, |
| 633 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 634 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 635 | T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 636 | FT_Int num_designs; |
| 637 | FT_Int num_axis; |
| 638 | T1_Parser parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 639 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 640 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 641 | PS_Blend blend; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 642 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 643 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 644 | /* get the array of design tokens -- compute number of designs */ |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 645 | T1_ToTokenArray( parser, design_tokens, |
| 646 | T1_MAX_MM_DESIGNS, &num_designs ); |
| 647 | if ( num_designs < 0 ) |
| 648 | { |
| 649 | error = T1_Err_Ignore; |
| 650 | goto Exit; |
| 651 | } |
| 652 | if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 653 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 654 | FT_ERROR(( "parse_blend_design_positions:" |
| 655 | " incorrect number of designs: %d\n", |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 656 | num_designs )); |
| 657 | error = T1_Err_Invalid_File_Format; |
| 658 | goto Exit; |
| 659 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 660 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 661 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 662 | FT_Byte* old_cursor = parser->root.cursor; |
| 663 | FT_Byte* old_limit = parser->root.limit; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 664 | FT_Int n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 665 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 666 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 667 | blend = face->blend; |
| 668 | num_axis = 0; /* make compiler happy */ |
| 669 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 670 | for ( n = 0; n < num_designs; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 671 | { |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 672 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 673 | T1_Token token; |
| 674 | FT_Int axis, n_axis; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 675 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 676 | |
| 677 | /* read axis/coordinates tokens */ |
| 678 | token = design_tokens + n; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 679 | parser->root.cursor = token->start; |
| 680 | parser->root.limit = token->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 681 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &n_axis ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 682 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 683 | if ( n == 0 ) |
| 684 | { |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 685 | if ( n_axis <= 0 || n_axis > T1_MAX_MM_AXIS ) |
| 686 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 687 | FT_ERROR(( "parse_blend_design_positions:" |
| 688 | " invalid number of axes: %d\n", |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 689 | n_axis )); |
| 690 | error = T1_Err_Invalid_File_Format; |
| 691 | goto Exit; |
| 692 | } |
| 693 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 694 | num_axis = n_axis; |
| 695 | error = t1_allocate_blend( face, num_designs, num_axis ); |
| 696 | if ( error ) |
| 697 | goto Exit; |
| 698 | blend = face->blend; |
| 699 | } |
| 700 | else if ( n_axis != num_axis ) |
| 701 | { |
| 702 | FT_ERROR(( "parse_blend_design_positions: incorrect table\n" )); |
| 703 | error = T1_Err_Invalid_File_Format; |
| 704 | goto Exit; |
| 705 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 706 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 707 | /* now read each axis token into the design position */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 708 | for ( axis = 0; axis < n_axis; axis++ ) |
| 709 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 710 | T1_Token token2 = axis_tokens + axis; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 711 | |
| 712 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 713 | parser->root.cursor = token2->start; |
| 714 | parser->root.limit = token2->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 715 | blend->design_pos[n][axis] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 716 | } |
| 717 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 718 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 719 | loader->parser.root.cursor = old_cursor; |
| 720 | loader->parser.root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 721 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 722 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 723 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 724 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 725 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 726 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 727 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 728 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 729 | parse_blend_design_map( T1_Face face, |
| 730 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 731 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 732 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 733 | T1_Parser parser = &loader->parser; |
| 734 | PS_Blend blend; |
| 735 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
| 736 | FT_Int n, num_axis; |
| 737 | FT_Byte* old_cursor; |
| 738 | FT_Byte* old_limit; |
| 739 | FT_Memory memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 740 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 741 | |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 742 | T1_ToTokenArray( parser, axis_tokens, |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 743 | T1_MAX_MM_AXIS, &num_axis ); |
| 744 | if ( num_axis < 0 ) |
| 745 | { |
| 746 | error = T1_Err_Ignore; |
| 747 | goto Exit; |
| 748 | } |
| 749 | if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 750 | { |
| 751 | FT_ERROR(( "parse_blend_design_map: incorrect number of axes: %d\n", |
| 752 | num_axis )); |
| 753 | error = T1_Err_Invalid_File_Format; |
| 754 | goto Exit; |
| 755 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 756 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 757 | old_cursor = parser->root.cursor; |
| 758 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 759 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 760 | error = t1_allocate_blend( face, 0, num_axis ); |
| 761 | if ( error ) |
| 762 | goto Exit; |
| 763 | blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 764 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 765 | /* now read each axis design map */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 766 | for ( n = 0; n < num_axis; n++ ) |
| 767 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 768 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 769 | T1_Token axis_token; |
| 770 | T1_TokenRec point_tokens[T1_MAX_MM_MAP_POINTS]; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 771 | FT_Int p, num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 772 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 773 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 774 | axis_token = axis_tokens + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 775 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 776 | parser->root.cursor = axis_token->start; |
| 777 | parser->root.limit = axis_token->limit; |
| 778 | T1_ToTokenArray( parser, point_tokens, |
| 779 | T1_MAX_MM_MAP_POINTS, &num_points ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 780 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 781 | if ( num_points <= 0 || num_points > T1_MAX_MM_MAP_POINTS ) |
| 782 | { |
| 783 | FT_ERROR(( "parse_blend_design_map: incorrect table\n" )); |
| 784 | error = T1_Err_Invalid_File_Format; |
| 785 | goto Exit; |
| 786 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 787 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 788 | /* allocate design map data */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 789 | if ( FT_NEW_ARRAY( map->design_points, num_points * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 790 | goto Exit; |
| 791 | map->blend_points = map->design_points + num_points; |
| 792 | map->num_points = (FT_Byte)num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 793 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 794 | for ( p = 0; p < num_points; p++ ) |
| 795 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 796 | T1_Token point_token; |
| 797 | |
| 798 | |
| 799 | point_token = point_tokens + p; |
| 800 | |
| 801 | /* don't include delimiting brackets */ |
| 802 | parser->root.cursor = point_token->start + 1; |
| 803 | parser->root.limit = point_token->limit - 1; |
| 804 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 805 | map->design_points[p] = T1_ToInt( parser ); |
| 806 | map->blend_points [p] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 807 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 808 | } |
| 809 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 810 | parser->root.cursor = old_cursor; |
| 811 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 812 | |
| 813 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 814 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 815 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 816 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 817 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 818 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 819 | parse_weight_vector( T1_Face face, |
| 820 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 821 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 822 | T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; |
| 823 | FT_Int num_designs; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 824 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 825 | T1_Parser parser = &loader->parser; |
| 826 | PS_Blend blend = face->blend; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 827 | T1_Token token; |
| 828 | FT_Int n; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 829 | FT_Byte* old_cursor; |
| 830 | FT_Byte* old_limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 831 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 832 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 833 | T1_ToTokenArray( parser, design_tokens, |
| 834 | T1_MAX_MM_DESIGNS, &num_designs ); |
| 835 | if ( num_designs < 0 ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 836 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 837 | error = T1_Err_Ignore; |
| 838 | goto Exit; |
| 839 | } |
| 840 | if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) |
| 841 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 842 | FT_ERROR(( "parse_weight_vector:" |
| 843 | " incorrect number of designs: %d\n", |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 844 | num_designs )); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 845 | error = T1_Err_Invalid_File_Format; |
| 846 | goto Exit; |
| 847 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 848 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 849 | if ( !blend || !blend->num_designs ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 850 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 851 | error = t1_allocate_blend( face, num_designs, 0 ); |
| 852 | if ( error ) |
| 853 | goto Exit; |
| 854 | blend = face->blend; |
| 855 | } |
| 856 | else if ( blend->num_designs != (FT_UInt)num_designs ) |
| 857 | { |
| 858 | FT_ERROR(( "parse_weight_vector:" |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 859 | " /BlendDesignPosition and /WeightVector have\n" |
| 860 | " " |
| 861 | " different number of elements\n" )); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 862 | error = T1_Err_Invalid_File_Format; |
| 863 | goto Exit; |
| 864 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 865 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 866 | old_cursor = parser->root.cursor; |
| 867 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 868 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 869 | for ( n = 0; n < num_designs; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 870 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 871 | token = design_tokens + n; |
| 872 | parser->root.cursor = token->start; |
| 873 | parser->root.limit = token->limit; |
| 874 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 875 | blend->default_weight_vector[n] = |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 876 | blend->weight_vector[n] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 877 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 878 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 879 | parser->root.cursor = old_cursor; |
| 880 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 881 | |
| 882 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 883 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 884 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 885 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 886 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 887 | /* e.g., /BuildCharArray [0 0 0 0 0 0 0 0] def */ |
| 888 | /* we're only interested in the number of array elements */ |
| 889 | static void |
| 890 | parse_buildchar( T1_Face face, |
| 891 | T1_Loader loader ) |
| 892 | { |
| 893 | face->len_buildchar = T1_ToFixedArray( &loader->parser, 0, NULL, 0 ); |
| 894 | |
| 895 | return; |
| 896 | } |
| 897 | |
| 898 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 899 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 900 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 901 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 902 | |
| 903 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 904 | /*************************************************************************/ |
| 905 | /*************************************************************************/ |
| 906 | /***** *****/ |
| 907 | /***** TYPE 1 SYMBOL PARSING *****/ |
| 908 | /***** *****/ |
| 909 | /*************************************************************************/ |
| 910 | /*************************************************************************/ |
| 911 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 912 | static FT_Error |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame] | 913 | t1_load_keyword( T1_Face face, |
| 914 | T1_Loader loader, |
| 915 | const T1_Field field ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 916 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 917 | FT_Error error; |
| 918 | void* dummy_object; |
| 919 | void** objects; |
| 920 | FT_UInt max_objects; |
| 921 | PS_Blend blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 922 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 923 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 924 | /* if the keyword has a dedicated callback, call it */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 925 | if ( field->type == T1_FIELD_TYPE_CALLBACK ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 926 | { |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 927 | field->reader( (FT_Face)face, loader ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 928 | error = loader->parser.root.error; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 929 | goto Exit; |
| 930 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 931 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 932 | /* now, the keyword is either a simple field, or a table of fields; */ |
| 933 | /* we are now going to take care of it */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 934 | switch ( field->location ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 935 | { |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 936 | case T1_FIELD_LOCATION_FONT_INFO: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 937 | dummy_object = &face->type1.font_info; |
| 938 | objects = &dummy_object; |
| 939 | max_objects = 0; |
| 940 | |
| 941 | if ( blend ) |
| 942 | { |
| 943 | objects = (void**)blend->font_infos; |
| 944 | max_objects = blend->num_designs; |
| 945 | } |
| 946 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 947 | |
David Turner | 01ca4da | 2009-03-03 13:28:59 +0000 | [diff] [blame] | 948 | case T1_FIELD_LOCATION_FONT_EXTRA: |
| 949 | dummy_object = &face->type1.font_extra; |
| 950 | objects = &dummy_object; |
| 951 | max_objects = 0; |
| 952 | break; |
| 953 | |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 954 | case T1_FIELD_LOCATION_PRIVATE: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 955 | dummy_object = &face->type1.private_dict; |
| 956 | objects = &dummy_object; |
| 957 | max_objects = 0; |
| 958 | |
| 959 | if ( blend ) |
| 960 | { |
| 961 | objects = (void**)blend->privates; |
| 962 | max_objects = blend->num_designs; |
| 963 | } |
| 964 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 965 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 966 | case T1_FIELD_LOCATION_BBOX: |
| 967 | dummy_object = &face->type1.font_bbox; |
| 968 | objects = &dummy_object; |
| 969 | max_objects = 0; |
| 970 | |
| 971 | if ( blend ) |
| 972 | { |
| 973 | objects = (void**)blend->bboxes; |
| 974 | max_objects = blend->num_designs; |
| 975 | } |
| 976 | break; |
| 977 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 978 | case T1_FIELD_LOCATION_LOADER: |
| 979 | dummy_object = loader; |
| 980 | objects = &dummy_object; |
| 981 | max_objects = 0; |
| 982 | break; |
| 983 | |
| 984 | case T1_FIELD_LOCATION_FACE: |
| 985 | dummy_object = face; |
| 986 | objects = &dummy_object; |
| 987 | max_objects = 0; |
| 988 | break; |
| 989 | |
| 990 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| 991 | case T1_FIELD_LOCATION_BLEND: |
| 992 | dummy_object = face->blend; |
| 993 | objects = &dummy_object; |
| 994 | max_objects = 0; |
| 995 | break; |
| 996 | #endif |
| 997 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 998 | default: |
| 999 | dummy_object = &face->type1; |
| 1000 | objects = &dummy_object; |
| 1001 | max_objects = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1002 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1003 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1004 | if ( field->type == T1_FIELD_TYPE_INTEGER_ARRAY || |
| 1005 | field->type == T1_FIELD_TYPE_FIXED_ARRAY ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1006 | error = T1_Load_Field_Table( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1007 | objects, max_objects, 0 ); |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1008 | else |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1009 | error = T1_Load_Field( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1010 | objects, max_objects, 0 ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1011 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1012 | Exit: |
| 1013 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1014 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1015 | |
| 1016 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1017 | static void |
| 1018 | parse_private( T1_Face face, |
| 1019 | T1_Loader loader ) |
| 1020 | { |
| 1021 | FT_UNUSED( face ); |
| 1022 | |
| 1023 | loader->keywords_encountered |= T1_PRIVATE; |
| 1024 | } |
| 1025 | |
| 1026 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1027 | static int |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1028 | read_binary_data( T1_Parser parser, |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1029 | FT_Long* size, |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1030 | FT_Byte** base ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1031 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1032 | FT_Byte* cur; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1033 | FT_Byte* limit = parser->root.limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1034 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1035 | |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1036 | /* the binary data has one of the following formats */ |
| 1037 | /* */ |
| 1038 | /* `size' [white*] RD white ....... ND */ |
| 1039 | /* `size' [white*] -| white ....... |- */ |
| 1040 | /* */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1041 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1042 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1043 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1044 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1045 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1046 | if ( cur < limit && ft_isdigit( *cur ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1047 | { |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1048 | *size = T1_ToInt( parser ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1049 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1050 | T1_Skip_PS_Token( parser ); /* `RD' or `-|' or something else */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1051 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1052 | /* there is only one whitespace char after the */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1053 | /* `RD' or `-|' token */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1054 | *base = parser->root.cursor + 1; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1055 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1056 | parser->root.cursor += *size + 1; |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1057 | return !parser->root.error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1058 | } |
| 1059 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1060 | FT_ERROR(( "read_binary_data: invalid size field\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1061 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1062 | return 0; |
| 1063 | } |
| 1064 | |
| 1065 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1066 | /* We now define the routines to handle the `/Encoding', `/Subrs', */ |
| 1067 | /* and `/CharStrings' dictionaries. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1068 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1069 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1070 | parse_font_matrix( T1_Face face, |
| 1071 | T1_Loader loader ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1072 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1073 | T1_Parser parser = &loader->parser; |
| 1074 | FT_Matrix* matrix = &face->type1.font_matrix; |
| 1075 | FT_Vector* offset = &face->type1.font_offset; |
| 1076 | FT_Face root = (FT_Face)&face->root; |
| 1077 | FT_Fixed temp[6]; |
| 1078 | FT_Fixed temp_scale; |
Werner Lemberg | e5c14d9 | 2007-06-05 20:50:37 +0000 | [diff] [blame] | 1079 | FT_Int result; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1080 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1081 | |
Werner Lemberg | e5c14d9 | 2007-06-05 20:50:37 +0000 | [diff] [blame] | 1082 | result = T1_ToFixedArray( parser, 6, temp, 3 ); |
| 1083 | |
| 1084 | if ( result < 0 ) |
| 1085 | { |
| 1086 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1087 | return; |
| 1088 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1089 | |
Werner Lemberg | dfa4619 | 2004-03-05 09:26:24 +0000 | [diff] [blame] | 1090 | temp_scale = FT_ABS( temp[3] ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1091 | |
Werner Lemberg | 470210b | 2007-06-06 10:05:49 +0000 | [diff] [blame] | 1092 | if ( temp_scale == 0 ) |
| 1093 | { |
| 1094 | FT_ERROR(( "parse_font_matrix: invalid font matrix\n" )); |
| 1095 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1096 | return; |
| 1097 | } |
| 1098 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 1099 | /* Set Units per EM based on FontMatrix values. We set the value to */ |
| 1100 | /* 1000 / temp_scale, because temp_scale was already multiplied by */ |
| 1101 | /* 1000 (in t1_tofixed, from psobjs.c). */ |
Tom Kacvinsky | f3dad68 | 2001-03-19 13:52:31 +0000 | [diff] [blame] | 1102 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 1103 | root->units_per_EM = (FT_UShort)( FT_DivFix( 1000 * 0x10000L, |
| 1104 | temp_scale ) >> 16 ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1105 | |
| 1106 | /* we need to scale the values by 1.0/temp_scale */ |
| 1107 | if ( temp_scale != 0x10000L ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1108 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1109 | temp[0] = FT_DivFix( temp[0], temp_scale ); |
| 1110 | temp[1] = FT_DivFix( temp[1], temp_scale ); |
| 1111 | temp[2] = FT_DivFix( temp[2], temp_scale ); |
| 1112 | temp[4] = FT_DivFix( temp[4], temp_scale ); |
| 1113 | temp[5] = FT_DivFix( temp[5], temp_scale ); |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1114 | temp[3] = 0x10000L; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1115 | } |
| 1116 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1117 | matrix->xx = temp[0]; |
| 1118 | matrix->yx = temp[1]; |
| 1119 | matrix->xy = temp[2]; |
| 1120 | matrix->yy = temp[3]; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1121 | |
Werner Lemberg | 6fbe4db | 2000-10-05 04:53:31 +0000 | [diff] [blame] | 1122 | /* note that the offsets must be expressed in integer font units */ |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1123 | offset->x = temp[4] >> 16; |
| 1124 | offset->y = temp[5] >> 16; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
| 1127 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1128 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1129 | parse_encoding( T1_Face face, |
| 1130 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1131 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1132 | T1_Parser parser = &loader->parser; |
| 1133 | FT_Byte* cur; |
| 1134 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1135 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1136 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1137 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1138 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1139 | T1_Skip_Spaces( parser ); |
| 1140 | cur = parser->root.cursor; |
| 1141 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1142 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 1143 | FT_ERROR(( "parse_encoding: out of bounds\n" )); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1144 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1145 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1146 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1147 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1148 | /* if we have a number or `[', the encoding is an array, */ |
| 1149 | /* and we must load it now */ |
| 1150 | if ( ft_isdigit( *cur ) || *cur == '[' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1151 | { |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1152 | T1_Encoding encode = &face->type1.encoding; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1153 | FT_Int count, n; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1154 | PS_Table char_table = &loader->encoding_table; |
| 1155 | FT_Memory memory = parser->root.memory; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1156 | FT_Error error; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1157 | FT_Bool only_immediates = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1158 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1159 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1160 | /* read the number of entries in the encoding; should be 256 */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1161 | if ( *cur == '[' ) |
| 1162 | { |
| 1163 | count = 256; |
| 1164 | only_immediates = 1; |
| 1165 | parser->root.cursor++; |
| 1166 | } |
| 1167 | else |
| 1168 | count = (FT_Int)T1_ToInt( parser ); |
| 1169 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1170 | T1_Skip_Spaces( parser ); |
| 1171 | if ( parser->root.cursor >= limit ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1172 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1173 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1174 | /* we use a T1_Table to store our charnames */ |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1175 | loader->num_chars = encode->num_chars = count; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1176 | if ( FT_NEW_ARRAY( encode->char_index, count ) || |
| 1177 | FT_NEW_ARRAY( encode->char_name, count ) || |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1178 | FT_SET_ERROR( psaux->ps_table_funcs->init( |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1179 | char_table, count, memory ) ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1180 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1181 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1182 | return; |
| 1183 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1184 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1185 | /* We need to `zero' out encoding_table.elements */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1186 | for ( n = 0; n < count; n++ ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1187 | { |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1188 | char* notdef = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1189 | |
| 1190 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1191 | T1_Add_Table( char_table, n, notdef, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1192 | } |
| 1193 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1194 | /* Now we need to read records of the form */ |
| 1195 | /* */ |
| 1196 | /* ... charcode /charname ... */ |
| 1197 | /* */ |
| 1198 | /* for each entry in our table. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1199 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1200 | /* We simply look for a number followed by an immediate */ |
| 1201 | /* name. Note that this ignores correctly the sequence */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1202 | /* that is often seen in type1 fonts: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1203 | /* */ |
| 1204 | /* 0 1 255 { 1 index exch /.notdef put } for dup */ |
| 1205 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1206 | /* used to clean the encoding array before anything else. */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1207 | /* */ |
| 1208 | /* Alternatively, if the array is directly given as */ |
| 1209 | /* */ |
| 1210 | /* /Encoding [ ... ] */ |
| 1211 | /* */ |
| 1212 | /* we only read immediates. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1213 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1214 | n = 0; |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1215 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1216 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1217 | while ( parser->root.cursor < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1218 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1219 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1220 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1221 | /* we stop when we encounter a `def' or `]' */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1222 | if ( *cur == 'd' && cur + 3 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1223 | { |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1224 | if ( cur[1] == 'e' && |
| 1225 | cur[2] == 'f' && |
| 1226 | IS_PS_DELIM( cur[3] ) ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1227 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1228 | FT_TRACE6(( "encoding end\n" )); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1229 | cur += 3; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1230 | break; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1231 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1232 | } |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1233 | if ( *cur == ']' ) |
| 1234 | { |
| 1235 | FT_TRACE6(( "encoding end\n" )); |
| 1236 | cur++; |
| 1237 | break; |
| 1238 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1239 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1240 | /* check whether we've found an entry */ |
| 1241 | if ( ft_isdigit( *cur ) || only_immediates ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1242 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1243 | FT_Int charcode; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1244 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1245 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1246 | if ( only_immediates ) |
| 1247 | charcode = n; |
| 1248 | else |
| 1249 | { |
| 1250 | charcode = (FT_Int)T1_ToInt( parser ); |
| 1251 | T1_Skip_Spaces( parser ); |
| 1252 | } |
| 1253 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1254 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1255 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1256 | if ( *cur == '/' && cur + 2 < limit && n < count ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1257 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1258 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1259 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1260 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1261 | cur++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1262 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1263 | parser->root.cursor = cur; |
| 1264 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1265 | if ( parser->root.error ) |
| 1266 | return; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1267 | |
| 1268 | len = parser->root.cursor - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1269 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1270 | parser->root.error = T1_Add_Table( char_table, charcode, |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1271 | cur, len + 1 ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1272 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1273 | return; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1274 | char_table->elements[charcode][len] = '\0'; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1275 | |
| 1276 | n++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1277 | } |
Werner Lemberg | 4dbf00a | 2008-08-28 16:12:48 +0000 | [diff] [blame] | 1278 | else if ( only_immediates ) |
| 1279 | { |
| 1280 | /* Since the current position is not updated for */ |
| 1281 | /* immediates-only mode we would get an infinite loop if */ |
| 1282 | /* we don't do anything here. */ |
| 1283 | /* */ |
| 1284 | /* This encoding array is not valid according to the type1 */ |
| 1285 | /* specification (it might be an encoding for a CID type1 */ |
| 1286 | /* font, however), so we conclude that this font is NOT a */ |
| 1287 | /* type1 font. */ |
| 1288 | parser->root.error = FT_Err_Unknown_File_Format; |
| 1289 | return; |
| 1290 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1291 | } |
| 1292 | else |
Werner Lemberg | 9fe5815 | 2007-06-19 07:57:30 +0000 | [diff] [blame] | 1293 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1294 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 9fe5815 | 2007-06-19 07:57:30 +0000 | [diff] [blame] | 1295 | if ( parser->root.error ) |
| 1296 | return; |
| 1297 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1298 | |
| 1299 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1300 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1301 | |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1302 | face->type1.encoding_type = T1_ENCODING_TYPE_ARRAY; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1303 | parser->root.cursor = cur; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1304 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1305 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1306 | /* Otherwise, we should have either `StandardEncoding', */ |
| 1307 | /* `ExpertEncoding', or `ISOLatin1Encoding' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1308 | else |
| 1309 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1310 | if ( cur + 17 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1311 | ft_strncmp( (const char*)cur, "StandardEncoding", 16 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1312 | face->type1.encoding_type = T1_ENCODING_TYPE_STANDARD; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1313 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1314 | else if ( cur + 15 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1315 | ft_strncmp( (const char*)cur, "ExpertEncoding", 14 ) == 0 ) |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1316 | face->type1.encoding_type = T1_ENCODING_TYPE_EXPERT; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1317 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1318 | else if ( cur + 18 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1319 | ft_strncmp( (const char*)cur, "ISOLatin1Encoding", 17 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1320 | face->type1.encoding_type = T1_ENCODING_TYPE_ISOLATIN1; |
Werner Lemberg | 66b3509 | 2002-02-10 12:33:14 +0000 | [diff] [blame] | 1321 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1322 | else |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1323 | parser->root.error = T1_Err_Ignore; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1328 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1329 | parse_subrs( T1_Face face, |
| 1330 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1331 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1332 | T1_Parser parser = &loader->parser; |
| 1333 | PS_Table table = &loader->subrs; |
| 1334 | FT_Memory memory = parser->root.memory; |
| 1335 | FT_Error error; |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1336 | FT_Int num_subrs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1337 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1338 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1339 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1340 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1341 | T1_Skip_Spaces( parser ); |
| 1342 | |
| 1343 | /* test for empty array */ |
| 1344 | if ( parser->root.cursor < parser->root.limit && |
| 1345 | *parser->root.cursor == '[' ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1346 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1347 | T1_Skip_PS_Token( parser ); |
| 1348 | T1_Skip_Spaces ( parser ); |
| 1349 | if ( parser->root.cursor >= parser->root.limit || |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1350 | *parser->root.cursor != ']' ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1351 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1352 | return; |
| 1353 | } |
| 1354 | |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1355 | num_subrs = (FT_Int)T1_ToInt( parser ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1356 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1357 | /* position the parser right before the `dup' of the first subr */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1358 | T1_Skip_PS_Token( parser ); /* `array' */ |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1359 | if ( parser->root.error ) |
| 1360 | return; |
| 1361 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1362 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1363 | /* initialize subrs array -- with synthetic fonts it is possible */ |
| 1364 | /* we get here twice */ |
| 1365 | if ( !loader->num_subrs ) |
| 1366 | { |
| 1367 | error = psaux->ps_table_funcs->init( table, num_subrs, memory ); |
| 1368 | if ( error ) |
| 1369 | goto Fail; |
| 1370 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1371 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1372 | /* the format is simple: */ |
| 1373 | /* */ |
| 1374 | /* `index' + binary data */ |
| 1375 | /* */ |
| 1376 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1377 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1378 | FT_Long idx, size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1379 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1380 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1381 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1382 | /* If the next token isn't `dup' we are done. */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1383 | if ( ft_strncmp( (char*)parser->root.cursor, "dup", 3 ) != 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1384 | break; |
| 1385 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1386 | T1_Skip_PS_Token( parser ); /* `dup' */ |
| 1387 | |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1388 | idx = T1_ToInt( parser ); |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1389 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1390 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1391 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1392 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1393 | /* The binary string is followed by one token, e.g. `NP' */ |
| 1394 | /* (bound to `noaccess put') or by two separate tokens: */ |
| 1395 | /* `noaccess' & `put'. We position the parser right */ |
| 1396 | /* before the next `dup', if any. */ |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1397 | T1_Skip_PS_Token( parser ); /* `NP' or `|' or `noaccess' */ |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1398 | if ( parser->root.error ) |
| 1399 | return; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1400 | T1_Skip_Spaces ( parser ); |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1401 | |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1402 | if ( ft_strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1403 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1404 | T1_Skip_PS_Token( parser ); /* skip `put' */ |
| 1405 | T1_Skip_Spaces ( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1406 | } |
| 1407 | |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1408 | /* with synthetic fonts it is possible we get here twice */ |
| 1409 | if ( loader->num_subrs ) |
| 1410 | continue; |
| 1411 | |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1412 | /* some fonts use a value of -1 for lenIV to indicate that */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1413 | /* the charstrings are unencoded */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1414 | /* */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1415 | /* thanks to Tom Kacvinsky for pointing this out */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1416 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1417 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1418 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1419 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1420 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1421 | |
Werner Lemberg | 16dc51f | 2008-05-18 17:36:15 +0000 | [diff] [blame] | 1422 | /* some fonts define empty subr records -- this is not totally */ |
| 1423 | /* compliant to the specification (which says they should at */ |
| 1424 | /* least contain a `return'), but we support them anyway */ |
Werner Lemberg | 504645e | 2008-05-14 23:26:20 +0000 | [diff] [blame] | 1425 | if ( size < face->type1.private_dict.lenIV ) |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1426 | { |
| 1427 | error = T1_Err_Invalid_File_Format; |
| 1428 | goto Fail; |
| 1429 | } |
| 1430 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1431 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1432 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1433 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1434 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1435 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1436 | size -= face->type1.private_dict.lenIV; |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1437 | error = T1_Add_Table( table, (FT_Int)idx, |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1438 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1439 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1440 | } |
| 1441 | else |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1442 | error = T1_Add_Table( table, (FT_Int)idx, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1443 | if ( error ) |
| 1444 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1445 | } |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1446 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1447 | if ( !loader->num_subrs ) |
| 1448 | loader->num_subrs = num_subrs; |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1449 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1450 | return; |
| 1451 | |
| 1452 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1453 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1454 | } |
| 1455 | |
| 1456 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1457 | #define TABLE_EXTEND 5 |
| 1458 | |
| 1459 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1460 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1461 | parse_charstrings( T1_Face face, |
| 1462 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1463 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1464 | T1_Parser parser = &loader->parser; |
| 1465 | PS_Table code_table = &loader->charstrings; |
| 1466 | PS_Table name_table = &loader->glyph_names; |
| 1467 | PS_Table swap_table = &loader->swap_table; |
| 1468 | FT_Memory memory = parser->root.memory; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1469 | FT_Error error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1470 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1471 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1472 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1473 | FT_Byte* cur; |
| 1474 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1475 | FT_Int n, num_glyphs; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1476 | FT_UInt notdef_index = 0; |
| 1477 | FT_Byte notdef_found = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1478 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1479 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1480 | num_glyphs = (FT_Int)T1_ToInt( parser ); |
Werner Lemberg | cf7d908 | 2004-02-02 19:41:09 +0000 | [diff] [blame] | 1481 | /* some fonts like Optima-Oblique not only define the /CharStrings */ |
| 1482 | /* array but access it also */ |
| 1483 | if ( num_glyphs == 0 || parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1484 | return; |
| 1485 | |
Werner Lemberg | b36d4a5 | 2003-12-12 15:38:39 +0000 | [diff] [blame] | 1486 | /* initialize tables, leaving space for addition of .notdef, */ |
| 1487 | /* if necessary, and a few other glyphs to handle buggy */ |
| 1488 | /* fonts which have more glyphs than specified. */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1489 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1490 | /* for some non-standard fonts like `Optima' which provides */ |
| 1491 | /* different outlines depending on the resolution it is */ |
| 1492 | /* possible to get here twice */ |
| 1493 | if ( !loader->num_glyphs ) |
| 1494 | { |
| 1495 | error = psaux->ps_table_funcs->init( |
| 1496 | code_table, num_glyphs + 1 + TABLE_EXTEND, memory ); |
| 1497 | if ( error ) |
| 1498 | goto Fail; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1499 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1500 | error = psaux->ps_table_funcs->init( |
| 1501 | name_table, num_glyphs + 1 + TABLE_EXTEND, memory ); |
| 1502 | if ( error ) |
| 1503 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1504 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1505 | /* Initialize table for swapping index notdef_index and */ |
| 1506 | /* index 0 names and codes (if necessary). */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1507 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1508 | error = psaux->ps_table_funcs->init( swap_table, 4, memory ); |
| 1509 | if ( error ) |
| 1510 | goto Fail; |
| 1511 | } |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1512 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1513 | n = 0; |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1514 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1515 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1516 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1517 | FT_Long size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1518 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1519 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1520 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1521 | /* the format is simple: */ |
| 1522 | /* `/glyphname' + binary data */ |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1523 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1524 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1525 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1526 | cur = parser->root.cursor; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1527 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1528 | break; |
| 1529 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1530 | /* we stop when we find a `def' or `end' keyword */ |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1531 | if ( cur + 3 < limit && IS_PS_DELIM( cur[3] ) ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1532 | { |
| 1533 | if ( cur[0] == 'd' && |
| 1534 | cur[1] == 'e' && |
| 1535 | cur[2] == 'f' ) |
Werner Lemberg | e7602c4 | 2005-04-14 11:43:40 +0000 | [diff] [blame] | 1536 | { |
| 1537 | /* There are fonts which have this: */ |
| 1538 | /* */ |
| 1539 | /* /CharStrings 118 dict def */ |
| 1540 | /* Private begin */ |
| 1541 | /* CharStrings begin */ |
| 1542 | /* ... */ |
| 1543 | /* */ |
| 1544 | /* To catch this we ignore `def' if */ |
| 1545 | /* no charstring has actually been */ |
| 1546 | /* seen. */ |
| 1547 | if ( n ) |
| 1548 | break; |
| 1549 | } |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1550 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1551 | if ( cur[0] == 'e' && |
| 1552 | cur[1] == 'n' && |
| 1553 | cur[2] == 'd' ) |
| 1554 | break; |
| 1555 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1556 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1557 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1558 | if ( parser->root.error ) |
| 1559 | return; |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1560 | |
| 1561 | if ( *cur == '/' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1562 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1563 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1564 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1565 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1566 | if ( cur + 1 >= limit ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1567 | { |
| 1568 | error = T1_Err_Invalid_File_Format; |
| 1569 | goto Fail; |
| 1570 | } |
| 1571 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1572 | cur++; /* skip `/' */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1573 | len = parser->root.cursor - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1574 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1575 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1576 | return; |
| 1577 | |
| 1578 | /* for some non-standard fonts like `Optima' which provides */ |
| 1579 | /* different outlines depending on the resolution it is */ |
| 1580 | /* possible to get here twice */ |
| 1581 | if ( loader->num_glyphs ) |
| 1582 | continue; |
| 1583 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1584 | error = T1_Add_Table( name_table, n, cur, len + 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1585 | if ( error ) |
| 1586 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1587 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1588 | /* add a trailing zero to the name table */ |
| 1589 | name_table->elements[n][len] = '\0'; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1590 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1591 | /* record index of /.notdef */ |
| 1592 | if ( *cur == '.' && |
| 1593 | ft_strcmp( ".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1594 | (const char*)(name_table->elements[n]) ) == 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1595 | { |
| 1596 | notdef_index = n; |
| 1597 | notdef_found = 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1598 | } |
| 1599 | |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1600 | if ( face->type1.private_dict.lenIV >= 0 && |
| 1601 | n < num_glyphs + TABLE_EXTEND ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1602 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1603 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1604 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1605 | |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1606 | if ( size <= face->type1.private_dict.lenIV ) |
| 1607 | { |
| 1608 | error = T1_Err_Invalid_File_Format; |
| 1609 | goto Fail; |
| 1610 | } |
| 1611 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1612 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1613 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1614 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1615 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1616 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1617 | size -= face->type1.private_dict.lenIV; |
| 1618 | error = T1_Add_Table( code_table, n, |
| 1619 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1620 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1621 | } |
| 1622 | else |
| 1623 | error = T1_Add_Table( code_table, n, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1624 | if ( error ) |
| 1625 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1626 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1627 | n++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1628 | } |
| 1629 | } |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1630 | |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1631 | loader->num_glyphs = n; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1632 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1633 | /* if /.notdef is found but does not occupy index 0, do our magic. */ |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1634 | if ( notdef_found && |
| 1635 | ft_strcmp( ".notdef", (const char*)name_table->elements[0] ) ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1636 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1637 | /* Swap glyph in index 0 with /.notdef glyph. First, add index 0 */ |
| 1638 | /* name and code entries to swap_table. Then place notdef_index */ |
| 1639 | /* name and code entries into swap_table. Then swap name and code */ |
| 1640 | /* entries at indices notdef_index and 0 using values stored in */ |
| 1641 | /* swap_table. */ |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1642 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1643 | /* Index 0 name */ |
| 1644 | error = T1_Add_Table( swap_table, 0, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1645 | name_table->elements[0], |
| 1646 | name_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1647 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1648 | goto Fail; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1649 | |
| 1650 | /* Index 0 code */ |
| 1651 | error = T1_Add_Table( swap_table, 1, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1652 | code_table->elements[0], |
| 1653 | code_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1654 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1655 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1656 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1657 | /* Index notdef_index name */ |
| 1658 | error = T1_Add_Table( swap_table, 2, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1659 | name_table->elements[notdef_index], |
| 1660 | name_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1661 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1662 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1663 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1664 | /* Index notdef_index code */ |
| 1665 | error = T1_Add_Table( swap_table, 3, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1666 | code_table->elements[notdef_index], |
| 1667 | code_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1668 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1669 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1670 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1671 | error = T1_Add_Table( name_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1672 | swap_table->elements[0], |
| 1673 | swap_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1674 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1675 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1676 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1677 | error = T1_Add_Table( code_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1678 | swap_table->elements[1], |
| 1679 | swap_table->lengths [1] ); |
| 1680 | if ( error ) |
| 1681 | goto Fail; |
| 1682 | |
| 1683 | error = T1_Add_Table( name_table, 0, |
| 1684 | swap_table->elements[2], |
| 1685 | swap_table->lengths [2] ); |
| 1686 | if ( error ) |
| 1687 | goto Fail; |
| 1688 | |
| 1689 | error = T1_Add_Table( code_table, 0, |
| 1690 | swap_table->elements[3], |
| 1691 | swap_table->lengths [3] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1692 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1693 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1694 | |
| 1695 | } |
| 1696 | else if ( !notdef_found ) |
| 1697 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1698 | /* notdef_index is already 0, or /.notdef is undefined in */ |
| 1699 | /* charstrings dictionary. Worry about /.notdef undefined. */ |
| 1700 | /* We take index 0 and add it to the end of the table(s) */ |
| 1701 | /* and add our own /.notdef glyph to index 0. */ |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1702 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1703 | /* 0 333 hsbw endchar */ |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1704 | FT_Byte notdef_glyph[] = { 0x8B, 0xF7, 0xE1, 0x0D, 0x0E }; |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1705 | char* notdef_name = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1706 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1707 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1708 | error = T1_Add_Table( swap_table, 0, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1709 | name_table->elements[0], |
| 1710 | name_table->lengths [0] ); |
| 1711 | if ( error ) |
| 1712 | goto Fail; |
| 1713 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1714 | error = T1_Add_Table( swap_table, 1, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1715 | code_table->elements[0], |
| 1716 | code_table->lengths [0] ); |
| 1717 | if ( error ) |
| 1718 | goto Fail; |
| 1719 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1720 | error = T1_Add_Table( name_table, 0, notdef_name, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1721 | if ( error ) |
| 1722 | goto Fail; |
| 1723 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1724 | error = T1_Add_Table( code_table, 0, notdef_glyph, 5 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1725 | |
| 1726 | if ( error ) |
| 1727 | goto Fail; |
| 1728 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1729 | error = T1_Add_Table( name_table, n, |
| 1730 | swap_table->elements[0], |
| 1731 | swap_table->lengths [0] ); |
| 1732 | if ( error ) |
| 1733 | goto Fail; |
| 1734 | |
| 1735 | error = T1_Add_Table( code_table, n, |
| 1736 | swap_table->elements[1], |
| 1737 | swap_table->lengths [1] ); |
| 1738 | if ( error ) |
| 1739 | goto Fail; |
| 1740 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1741 | /* we added a glyph. */ |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1742 | loader->num_glyphs += 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1743 | } |
| 1744 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1745 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1746 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1747 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1748 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1749 | } |
| 1750 | |
| 1751 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1752 | /*************************************************************************/ |
| 1753 | /* */ |
| 1754 | /* Define the token field static variables. This is a set of */ |
| 1755 | /* T1_FieldRec variables. */ |
| 1756 | /* */ |
| 1757 | /*************************************************************************/ |
| 1758 | |
| 1759 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1760 | static |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1761 | const T1_FieldRec t1_keywords[] = |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1762 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1763 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 1764 | #include "t1tokens.h" |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1765 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1766 | /* now add the special functions... */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1767 | T1_FIELD_CALLBACK( "FontMatrix", parse_font_matrix, |
| 1768 | T1_FIELD_DICT_FONTDICT ) |
| 1769 | T1_FIELD_CALLBACK( "Encoding", parse_encoding, |
| 1770 | T1_FIELD_DICT_FONTDICT ) |
| 1771 | T1_FIELD_CALLBACK( "Subrs", parse_subrs, |
| 1772 | T1_FIELD_DICT_PRIVATE ) |
| 1773 | T1_FIELD_CALLBACK( "CharStrings", parse_charstrings, |
| 1774 | T1_FIELD_DICT_PRIVATE ) |
| 1775 | T1_FIELD_CALLBACK( "Private", parse_private, |
| 1776 | T1_FIELD_DICT_FONTDICT ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1777 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1778 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1779 | T1_FIELD_CALLBACK( "BlendDesignPositions", parse_blend_design_positions, |
| 1780 | T1_FIELD_DICT_FONTDICT ) |
| 1781 | T1_FIELD_CALLBACK( "BlendDesignMap", parse_blend_design_map, |
| 1782 | T1_FIELD_DICT_FONTDICT ) |
| 1783 | T1_FIELD_CALLBACK( "BlendAxisTypes", parse_blend_axis_types, |
| 1784 | T1_FIELD_DICT_FONTDICT ) |
| 1785 | T1_FIELD_CALLBACK( "WeightVector", parse_weight_vector, |
| 1786 | T1_FIELD_DICT_FONTDICT ) |
| 1787 | T1_FIELD_CALLBACK( "BuildCharArray", parse_buildchar, |
| 1788 | T1_FIELD_DICT_PRIVATE ) |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1789 | #endif |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1790 | |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1791 | { 0, T1_FIELD_LOCATION_CID_INFO, T1_FIELD_TYPE_NONE, 0, 0, 0, 0, 0, 0 } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1792 | }; |
| 1793 | |
| 1794 | |
Werner Lemberg | 64f1ba9 | 2003-07-25 22:09:53 +0000 | [diff] [blame] | 1795 | #define T1_FIELD_COUNT \ |
| 1796 | ( sizeof ( t1_keywords ) / sizeof ( t1_keywords[0] ) ) |
| 1797 | |
| 1798 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1799 | static FT_Error |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1800 | parse_dict( T1_Face face, |
| 1801 | T1_Loader loader, |
| 1802 | FT_Byte* base, |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1803 | FT_Long size ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1804 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1805 | T1_Parser parser = &loader->parser; |
Werner Lemberg | d1d2b45 | 2004-02-16 09:38:05 +0000 | [diff] [blame] | 1806 | FT_Byte *limit, *start_binary = NULL; |
Werner Lemberg | 0a84eba | 2004-02-05 14:36:43 +0000 | [diff] [blame] | 1807 | FT_Bool have_integer = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1808 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1809 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1810 | parser->root.cursor = base; |
| 1811 | parser->root.limit = base + size; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1812 | parser->root.error = T1_Err_Ok; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1813 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1814 | limit = parser->root.limit; |
| 1815 | |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1816 | T1_Skip_Spaces( parser ); |
| 1817 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1818 | while ( parser->root.cursor < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1819 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1820 | FT_Byte* cur; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1821 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1822 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1823 | cur = parser->root.cursor; |
| 1824 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1825 | /* look for `eexec' */ |
| 1826 | if ( IS_PS_TOKEN( cur, limit, "eexec" ) ) |
Werner Lemberg | 63abb4b | 2003-12-22 11:35:36 +0000 | [diff] [blame] | 1827 | break; |
| 1828 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1829 | /* look for `closefile' which ends the eexec section */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1830 | else if ( IS_PS_TOKEN( cur, limit, "closefile" ) ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1831 | break; |
| 1832 | |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1833 | /* in a synthetic font the base font starts after a */ |
| 1834 | /* `FontDictionary' token that is placed after a Private dict */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1835 | else if ( IS_PS_TOKEN( cur, limit, "FontDirectory" ) ) |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1836 | { |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1837 | if ( loader->keywords_encountered & T1_PRIVATE ) |
| 1838 | loader->keywords_encountered |= |
| 1839 | T1_FONTDIR_AFTER_PRIVATE; |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1840 | parser->root.cursor += 13; |
| 1841 | } |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1842 | |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1843 | /* check whether we have an integer */ |
| 1844 | else if ( ft_isdigit( *cur ) ) |
| 1845 | { |
| 1846 | start_binary = cur; |
| 1847 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1848 | if ( parser->root.error ) |
| 1849 | goto Exit; |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1850 | have_integer = 1; |
| 1851 | } |
| 1852 | |
| 1853 | /* in valid Type 1 fonts we don't see `RD' or `-|' directly */ |
| 1854 | /* since those tokens are handled by parse_subrs and */ |
| 1855 | /* parse_charstrings */ |
| 1856 | else if ( *cur == 'R' && cur + 6 < limit && *(cur + 1) == 'D' && |
| 1857 | have_integer ) |
| 1858 | { |
| 1859 | FT_Long s; |
| 1860 | FT_Byte* b; |
| 1861 | |
| 1862 | |
| 1863 | parser->root.cursor = start_binary; |
| 1864 | if ( !read_binary_data( parser, &s, &b ) ) |
| 1865 | return T1_Err_Invalid_File_Format; |
| 1866 | have_integer = 0; |
| 1867 | } |
| 1868 | |
| 1869 | else if ( *cur == '-' && cur + 6 < limit && *(cur + 1) == '|' && |
| 1870 | have_integer ) |
| 1871 | { |
| 1872 | FT_Long s; |
| 1873 | FT_Byte* b; |
| 1874 | |
| 1875 | |
| 1876 | parser->root.cursor = start_binary; |
| 1877 | if ( !read_binary_data( parser, &s, &b ) ) |
| 1878 | return T1_Err_Invalid_File_Format; |
| 1879 | have_integer = 0; |
| 1880 | } |
| 1881 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1882 | /* look for immediates */ |
| 1883 | else if ( *cur == '/' && cur + 2 < limit ) |
| 1884 | { |
| 1885 | FT_PtrDist len; |
| 1886 | |
| 1887 | |
| 1888 | cur++; |
| 1889 | |
| 1890 | parser->root.cursor = cur; |
| 1891 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1892 | if ( parser->root.error ) |
| 1893 | goto Exit; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1894 | |
| 1895 | len = parser->root.cursor - cur; |
| 1896 | |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1897 | if ( len > 0 && len < 22 && parser->root.cursor < limit ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1898 | { |
| 1899 | /* now compare the immediate name to the keyword table */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1900 | T1_Field keyword = (T1_Field)t1_keywords; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1901 | |
| 1902 | |
| 1903 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1904 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1905 | FT_Byte* name; |
| 1906 | |
| 1907 | |
| 1908 | name = (FT_Byte*)keyword->ident; |
| 1909 | if ( !name ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1910 | break; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1911 | |
Werner Lemberg | 023a4bf | 2004-10-14 11:33:04 +0000 | [diff] [blame] | 1912 | if ( cur[0] == name[0] && |
| 1913 | len == (FT_PtrDist)ft_strlen( (const char *)name ) && |
| 1914 | ft_memcmp( cur, name, len ) == 0 ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1915 | { |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1916 | /* We found it -- run the parsing callback! */ |
| 1917 | /* We record every instance of every field */ |
| 1918 | /* (until we reach the base font of a */ |
| 1919 | /* synthetic font) to deal adequately with */ |
| 1920 | /* multiple master fonts; this is also */ |
| 1921 | /* necessary because later PostScript */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1922 | /* definitions override earlier ones. */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1923 | |
| 1924 | /* Once we encounter `FontDirectory' after */ |
| 1925 | /* `/Private', we know that this is a synthetic */ |
| 1926 | /* font; except for `/CharStrings' we are not */ |
| 1927 | /* interested in anything that follows this */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1928 | /* `FontDirectory'. */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1929 | |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1930 | /* MM fonts have more than one /Private token at */ |
| 1931 | /* the top level; let's hope that all the junk */ |
| 1932 | /* that follows the first /Private token is not */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1933 | /* interesting to us. */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1934 | |
| 1935 | /* According to Adobe Tech Note #5175 (CID-Keyed */ |
| 1936 | /* Font Installation for ATM Software) a `begin' */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1937 | /* must be followed by exactly one `end', and */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1938 | /* `begin' -- `end' pairs must be accurately */ |
Werner Lemberg | 6e87ed9 | 2007-01-26 22:18:56 +0000 | [diff] [blame] | 1939 | /* paired. We could use this to distinguish */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1940 | /* between the global Private and the Private */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1941 | /* dict that is a member of the Blend dict. */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1942 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1943 | const FT_UInt dict = |
| 1944 | ( loader->keywords_encountered & T1_PRIVATE ) |
| 1945 | ? T1_FIELD_DICT_PRIVATE |
| 1946 | : T1_FIELD_DICT_FONTDICT; |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1947 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1948 | if ( !( dict & keyword->dict ) ) |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1949 | { |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1950 | FT_TRACE1(( "parse_dict: found %s but ignoring it " |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1951 | "since it is in the wrong dictionary\n", |
| 1952 | keyword->ident )); |
| 1953 | break; |
| 1954 | } |
| 1955 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1956 | if ( !( loader->keywords_encountered & |
| 1957 | T1_FONTDIR_AFTER_PRIVATE ) || |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1958 | ft_strcmp( (const char*)name, "CharStrings" ) == 0 ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1959 | { |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1960 | parser->root.error = t1_load_keyword( face, |
| 1961 | loader, |
| 1962 | keyword ); |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1963 | if ( parser->root.error != T1_Err_Ok ) |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1964 | { |
Werner Lemberg | dfa4619 | 2004-03-05 09:26:24 +0000 | [diff] [blame] | 1965 | if ( FT_ERROR_BASE( parser->root.error ) == FT_Err_Ignore ) |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1966 | parser->root.error = T1_Err_Ok; |
| 1967 | else |
| 1968 | return parser->root.error; |
| 1969 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1970 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1971 | break; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1972 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1973 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1974 | keyword++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1975 | } |
| 1976 | } |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1977 | |
| 1978 | have_integer = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1979 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1980 | else |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1981 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1982 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1983 | if ( parser->root.error ) |
| 1984 | goto Exit; |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1985 | have_integer = 0; |
| 1986 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1987 | |
| 1988 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1989 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1990 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1991 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1992 | return parser->root.error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1993 | } |
| 1994 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1995 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1996 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1997 | t1_init_loader( T1_Loader loader, |
| 1998 | T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1999 | { |
| 2000 | FT_UNUSED( face ); |
| 2001 | |
Werner Lemberg | b3d5e9c | 2002-07-28 05:05:24 +0000 | [diff] [blame] | 2002 | FT_MEM_ZERO( loader, sizeof ( *loader ) ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2003 | loader->num_glyphs = 0; |
| 2004 | loader->num_chars = 0; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2005 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2006 | /* initialize the tables -- simply set their `init' field to 0 */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2007 | loader->encoding_table.init = 0; |
| 2008 | loader->charstrings.init = 0; |
| 2009 | loader->glyph_names.init = 0; |
| 2010 | loader->subrs.init = 0; |
| 2011 | loader->swap_table.init = 0; |
| 2012 | loader->fontdata = 0; |
| 2013 | loader->keywords_encountered = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2014 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2015 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2016 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 2017 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2018 | t1_done_loader( T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2019 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2020 | T1_Parser parser = &loader->parser; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2021 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2022 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2023 | /* finalize tables */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 2024 | T1_Release_Table( &loader->encoding_table ); |
| 2025 | T1_Release_Table( &loader->charstrings ); |
| 2026 | T1_Release_Table( &loader->glyph_names ); |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 2027 | T1_Release_Table( &loader->swap_table ); |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 2028 | T1_Release_Table( &loader->subrs ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2029 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2030 | /* finalize parser */ |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 2031 | T1_Finalize_Parser( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2032 | } |
| 2033 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2034 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2035 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 2036 | T1_Open_Face( T1_Face face ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2037 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2038 | T1_LoaderRec loader; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2039 | T1_Parser parser; |
| 2040 | T1_Font type1 = &face->type1; |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2041 | PS_Private priv = &type1->private_dict; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2042 | FT_Error error; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 2043 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2044 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2045 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 2046 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2047 | t1_init_loader( &loader, face ); |
| 2048 | |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2049 | /* default values */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2050 | face->ndv_idx = -1; |
| 2051 | face->cdv_idx = -1; |
| 2052 | face->len_buildchar = 0; |
| 2053 | |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2054 | priv->blue_shift = 7; |
| 2055 | priv->blue_fuzz = 1; |
| 2056 | priv->lenIV = 4; |
| 2057 | priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); |
| 2058 | priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); |
David Turner | 971517a | 2002-07-08 23:13:25 +0000 | [diff] [blame] | 2059 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2060 | parser = &loader.parser; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2061 | error = T1_New_Parser( parser, |
| 2062 | face->root.stream, |
| 2063 | face->root.memory, |
| 2064 | psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2065 | if ( error ) |
| 2066 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2067 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2068 | error = parse_dict( face, &loader, |
| 2069 | parser->base_dict, parser->base_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2070 | if ( error ) |
| 2071 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2072 | |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 2073 | error = T1_Get_Private_Dict( parser, psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2074 | if ( error ) |
| 2075 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2076 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2077 | error = parse_dict( face, &loader, |
| 2078 | parser->private_dict, parser->private_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2079 | if ( error ) |
| 2080 | goto Exit; |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 2081 | |
Werner Lemberg | 422d2a0 | 2006-02-27 18:25:22 +0000 | [diff] [blame] | 2082 | /* ensure even-ness of `num_blue_values' */ |
David Turner | c13e75f | 2006-02-27 13:14:42 +0000 | [diff] [blame] | 2083 | priv->num_blue_values &= ~1; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2084 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2085 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| 2086 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2087 | if ( face->blend && |
| 2088 | face->blend->num_default_design_vector != 0 && |
| 2089 | face->blend->num_default_design_vector != face->blend->num_axis ) |
| 2090 | { |
| 2091 | /* we don't use it currently so just warn, reset, and ignore */ |
| 2092 | FT_ERROR(( "T1_Open_Face(): /DesignVector contains %u entries " |
| 2093 | "while there are %u axes.\n", |
| 2094 | face->blend->num_default_design_vector, |
| 2095 | face->blend->num_axis )); |
| 2096 | |
| 2097 | face->blend->num_default_design_vector = 0; |
| 2098 | } |
| 2099 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2100 | /* the following can happen for MM instances; we then treat the */ |
| 2101 | /* font as a normal PS font */ |
| 2102 | if ( face->blend && |
| 2103 | ( !face->blend->num_designs || !face->blend->num_axis ) ) |
| 2104 | T1_Done_Blend( face ); |
| 2105 | |
| 2106 | /* another safety check */ |
| 2107 | if ( face->blend ) |
| 2108 | { |
| 2109 | FT_UInt i; |
| 2110 | |
| 2111 | |
| 2112 | for ( i = 0; i < face->blend->num_axis; i++ ) |
| 2113 | if ( !face->blend->design_map[i].num_points ) |
| 2114 | { |
| 2115 | T1_Done_Blend( face ); |
| 2116 | break; |
| 2117 | } |
| 2118 | } |
| 2119 | |
Werner Lemberg | a4d6a1c | 2006-07-19 09:54:56 +0000 | [diff] [blame] | 2120 | if ( face->blend ) |
| 2121 | { |
| 2122 | if ( face->len_buildchar > 0 ) |
| 2123 | { |
| 2124 | FT_Memory memory = face->root.memory; |
| 2125 | |
| 2126 | |
| 2127 | if ( FT_NEW_ARRAY( face->buildchar, face->len_buildchar ) ) |
| 2128 | { |
| 2129 | FT_ERROR(( "T1_Open_Face: cannot allocate BuildCharArray\n" )); |
| 2130 | face->len_buildchar = 0; |
| 2131 | goto Exit; |
| 2132 | } |
| 2133 | } |
| 2134 | } |
| 2135 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2136 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
| 2137 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2138 | /* now, propagate the subrs, charstrings, and glyphnames tables */ |
| 2139 | /* to the Type1 data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2140 | type1->num_glyphs = loader.num_glyphs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2141 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 2142 | if ( loader.subrs.init ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2143 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 2144 | loader.subrs.init = 0; |
| 2145 | type1->num_subrs = loader.num_subrs; |
| 2146 | type1->subrs_block = loader.subrs.block; |
| 2147 | type1->subrs = loader.subrs.elements; |
| 2148 | type1->subrs_len = loader.subrs.lengths; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2149 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2150 | |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2151 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 2152 | if ( !face->root.internal->incremental_interface ) |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2153 | #endif |
| 2154 | if ( !loader.charstrings.init ) |
| 2155 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 2156 | FT_ERROR(( "T1_Open_Face: no `/CharStrings' array in face\n" )); |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2157 | error = T1_Err_Invalid_File_Format; |
| 2158 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2159 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2160 | loader.charstrings.init = 0; |
| 2161 | type1->charstrings_block = loader.charstrings.block; |
| 2162 | type1->charstrings = loader.charstrings.elements; |
| 2163 | type1->charstrings_len = loader.charstrings.lengths; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2164 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2165 | /* we copy the glyph names `block' and `elements' fields; */ |
| 2166 | /* the `lengths' field must be released later */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2167 | type1->glyph_names_block = loader.glyph_names.block; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 2168 | type1->glyph_names = (FT_String**)loader.glyph_names.elements; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2169 | loader.glyph_names.block = 0; |
| 2170 | loader.glyph_names.elements = 0; |
| 2171 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2172 | /* we must now build type1.encoding when we have a custom array */ |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 2173 | if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2174 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2175 | FT_Int charcode, idx, min_char, max_char; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 2176 | FT_Byte* char_name; |
| 2177 | FT_Byte* glyph_name; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2178 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2179 | |
| 2180 | /* OK, we do the following: for each element in the encoding */ |
| 2181 | /* table, look up the index of the glyph having the same name */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2182 | /* the index is then stored in type1.encoding.char_index, and */ |
| 2183 | /* a the name to type1.encoding.char_name */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2184 | |
John Tytgat | 03e8b2f | 2009-09-01 08:10:24 +0200 | [diff] [blame^] | 2185 | min_char = 0; |
| 2186 | max_char = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2187 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2188 | charcode = 0; |
Tom Kacvinsky | 95ac657 | 2000-10-15 08:53:27 +0000 | [diff] [blame] | 2189 | for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2190 | { |
| 2191 | type1->encoding.char_index[charcode] = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 2192 | type1->encoding.char_name [charcode] = (char *)".notdef"; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2193 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2194 | char_name = loader.encoding_table.elements[charcode]; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2195 | if ( char_name ) |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2196 | for ( idx = 0; idx < type1->num_glyphs; idx++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2197 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2198 | glyph_name = (FT_Byte*)type1->glyph_names[idx]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2199 | if ( ft_strcmp( (const char*)char_name, |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 2200 | (const char*)glyph_name ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2201 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2202 | type1->encoding.char_index[charcode] = (FT_UShort)idx; |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 2203 | type1->encoding.char_name [charcode] = (char*)glyph_name; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2204 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2205 | /* Change min/max encoded char only if glyph name is */ |
| 2206 | /* not /.notdef */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2207 | if ( ft_strcmp( (const char*)".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 2208 | (const char*)glyph_name ) != 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2209 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 2210 | if ( charcode < min_char ) |
| 2211 | min_char = charcode; |
John Tytgat | 03e8b2f | 2009-09-01 08:10:24 +0200 | [diff] [blame^] | 2212 | if ( charcode >= max_char ) |
| 2213 | max_char = charcode + 1; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2214 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2215 | break; |
| 2216 | } |
| 2217 | } |
| 2218 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 2219 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2220 | type1->encoding.code_first = min_char; |
| 2221 | type1->encoding.code_last = max_char; |
| 2222 | type1->encoding.num_chars = loader.num_chars; |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 2223 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2224 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2225 | Exit: |
| 2226 | t1_done_loader( &loader ); |
| 2227 | return error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2228 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2229 | |
| 2230 | |
| 2231 | /* END */ |