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 | f689bf7 | 2010-11-18 10:28:16 +0100 | [diff] [blame^] | 7 | /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ |
| 8 | /* 2010 by */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 9 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| 10 | /* */ |
| 11 | /* This file is part of the FreeType project, and may only be used, */ |
| 12 | /* modified, and distributed under the terms of the FreeType project */ |
| 13 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 14 | /* this file you indicate that you have read the license and */ |
| 15 | /* understand and accept it fully. */ |
| 16 | /* */ |
| 17 | /***************************************************************************/ |
| 18 | |
| 19 | |
| 20 | /*************************************************************************/ |
| 21 | /* */ |
| 22 | /* This is the new and improved Type 1 data loader for FreeType 2. The */ |
| 23 | /* old loader has several problems: it is slow, complex, difficult to */ |
| 24 | /* maintain, and contains incredible hacks to make it accept some */ |
| 25 | /* ill-formed Type 1 fonts without hiccup-ing. Moreover, about 5% of */ |
| 26 | /* the Type 1 fonts on my machine still aren't loaded correctly by it. */ |
| 27 | /* */ |
| 28 | /* This version is much simpler, much faster and also easier to read and */ |
| 29 | /* maintain by a great order of magnitude. The idea behind it is to */ |
| 30 | /* _not_ try to read the Type 1 token stream with a state machine (i.e. */ |
| 31 | /* a Postscript-like interpreter) but rather to perform simple pattern */ |
| 32 | /* matching. */ |
| 33 | /* */ |
| 34 | /* Indeed, nearly all data definitions follow a simple pattern like */ |
| 35 | /* */ |
| 36 | /* ... /Field <data> ... */ |
| 37 | /* */ |
| 38 | /* where <data> can be a number, a boolean, a string, or an array of */ |
| 39 | /* numbers. There are a few exceptions, namely the encoding, font name, */ |
| 40 | /* charstrings, and subrs; they are handled with a special pattern */ |
| 41 | /* matching routine. */ |
| 42 | /* */ |
| 43 | /* All other common cases are handled very simply. The matching rules */ |
| 44 | /* are defined in the file `t1tokens.h' through the use of several */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 45 | /* macros calls PARSE_XXX. This file is included twice here; the first */ |
| 46 | /* time to generate parsing callback functions, the second time to */ |
| 47 | /* generate a table of keywords (with pointers to the associated */ |
| 48 | /* callback functions). */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 49 | /* */ |
| 50 | /* The function `parse_dict' simply scans *linearly* a given dictionary */ |
| 51 | /* (either the top-level or private one) and calls the appropriate */ |
| 52 | /* callback when it encounters an immediate keyword. */ |
| 53 | /* */ |
| 54 | /* This is by far the fastest way one can find to parse and read all */ |
| 55 | /* data. */ |
| 56 | /* */ |
| 57 | /* This led to tremendous code size reduction. Note that later, the */ |
| 58 | /* glyph loader will also be _greatly_ simplified, and the automatic */ |
| 59 | /* hinter will replace the clumsy `t1hinter'. */ |
| 60 | /* */ |
| 61 | /*************************************************************************/ |
| 62 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 63 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 64 | #include <ft2build.h> |
| 65 | #include FT_INTERNAL_DEBUG_H |
| 66 | #include FT_CONFIG_CONFIG_H |
| 67 | #include FT_MULTIPLE_MASTERS_H |
| 68 | #include FT_INTERNAL_TYPE1_TYPES_H |
Werner Lemberg | 11cb8c3 | 2009-06-22 16:56:47 +0200 | [diff] [blame] | 69 | #include FT_INTERNAL_CALC_H |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 70 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 71 | #include "t1load.h" |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 72 | #include "t1errors.h" |
| 73 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 74 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 75 | /*************************************************************************/ |
| 76 | /* */ |
| 77 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 78 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 79 | /* messages during execution. */ |
| 80 | /* */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 81 | #undef FT_COMPONENT |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 82 | #define FT_COMPONENT trace_t1load |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 83 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 84 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 85 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 86 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 87 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 88 | /*************************************************************************/ |
| 89 | /*************************************************************************/ |
| 90 | /***** *****/ |
| 91 | /***** MULTIPLE MASTERS SUPPORT *****/ |
| 92 | /***** *****/ |
| 93 | /*************************************************************************/ |
| 94 | /*************************************************************************/ |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 95 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 96 | static FT_Error |
| 97 | t1_allocate_blend( T1_Face face, |
| 98 | FT_UInt num_designs, |
| 99 | FT_UInt num_axis ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 100 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 101 | PS_Blend blend; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 102 | FT_Memory memory = face->root.memory; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 103 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 104 | |
| 105 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 106 | blend = face->blend; |
| 107 | if ( !blend ) |
| 108 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 109 | if ( FT_NEW( blend ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 110 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 111 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 112 | blend->num_default_design_vector = 0; |
| 113 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 114 | face->blend = blend; |
| 115 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 116 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 117 | /* allocate design data if needed */ |
| 118 | if ( num_designs > 0 ) |
| 119 | { |
| 120 | if ( blend->num_designs == 0 ) |
| 121 | { |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 122 | FT_UInt nn; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 123 | |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 124 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 125 | /* allocate the blend `private' and `font_info' dictionaries */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 126 | if ( FT_NEW_ARRAY( blend->font_infos[1], num_designs ) || |
| 127 | FT_NEW_ARRAY( blend->privates[1], num_designs ) || |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 128 | FT_NEW_ARRAY( blend->bboxes[1], num_designs ) || |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 129 | FT_NEW_ARRAY( blend->weight_vector, num_designs * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 130 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 131 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 132 | blend->default_weight_vector = blend->weight_vector + num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 133 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 134 | blend->font_infos[0] = &face->type1.font_info; |
| 135 | blend->privates [0] = &face->type1.private_dict; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 136 | blend->bboxes [0] = &face->type1.font_bbox; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 137 | |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 138 | for ( nn = 2; nn <= num_designs; nn++ ) |
| 139 | { |
Werner Lemberg | 93ac3e3 | 2000-07-10 21:41:32 +0000 | [diff] [blame] | 140 | blend->privates[nn] = blend->privates [nn - 1] + 1; |
| 141 | blend->font_infos[nn] = blend->font_infos[nn - 1] + 1; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 142 | blend->bboxes[nn] = blend->bboxes [nn - 1] + 1; |
David Turner | e208f4e | 2000-07-10 20:30:59 +0000 | [diff] [blame] | 143 | } |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 144 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 145 | blend->num_designs = num_designs; |
| 146 | } |
| 147 | else if ( blend->num_designs != num_designs ) |
| 148 | goto Fail; |
| 149 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 150 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 151 | /* allocate axis data if needed */ |
| 152 | if ( num_axis > 0 ) |
| 153 | { |
| 154 | if ( blend->num_axis != 0 && blend->num_axis != num_axis ) |
| 155 | goto Fail; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 156 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 157 | blend->num_axis = num_axis; |
| 158 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 159 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 160 | /* allocate the blend design pos table if needed */ |
| 161 | num_designs = blend->num_designs; |
| 162 | num_axis = blend->num_axis; |
| 163 | if ( num_designs && num_axis && blend->design_pos[0] == 0 ) |
| 164 | { |
| 165 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 166 | |
| 167 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 168 | if ( FT_NEW_ARRAY( blend->design_pos[0], num_designs * num_axis ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 169 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 170 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 171 | for ( n = 1; n < num_designs; n++ ) |
| 172 | blend->design_pos[n] = blend->design_pos[0] + num_axis * n; |
| 173 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 174 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 175 | Exit: |
| 176 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 177 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 178 | Fail: |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 179 | error = T1_Err_Invalid_File_Format; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 180 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 184 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 185 | T1_Get_Multi_Master( T1_Face face, |
| 186 | FT_Multi_Master* master ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 187 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 188 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 189 | FT_UInt n; |
| 190 | FT_Error error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 191 | |
| 192 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 193 | error = T1_Err_Invalid_Argument; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 194 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 195 | if ( blend ) |
| 196 | { |
| 197 | master->num_axis = blend->num_axis; |
| 198 | master->num_designs = blend->num_designs; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 199 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 200 | for ( n = 0; n < blend->num_axis; n++ ) |
| 201 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 202 | FT_MM_Axis* axis = master->axis + n; |
| 203 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 204 | |
| 205 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 206 | axis->name = blend->axis_names[n]; |
| 207 | axis->minimum = map->design_points[0]; |
| 208 | axis->maximum = map->design_points[map->num_points - 1]; |
| 209 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 210 | |
| 211 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 212 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 213 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 214 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 218 | /*************************************************************************/ |
| 219 | /* */ |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 220 | /* Given a normalized (blend) coordinate, figure out the design */ |
| 221 | /* coordinate appropriate for that value. */ |
| 222 | /* */ |
| 223 | FT_LOCAL_DEF( FT_Fixed ) |
| 224 | mm_axis_unmap( PS_DesignMap axismap, |
| 225 | FT_Fixed ncv ) |
| 226 | { |
| 227 | int j; |
| 228 | |
| 229 | |
| 230 | if ( ncv <= axismap->blend_points[0] ) |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 231 | return INT_TO_FIXED( axismap->design_points[0] ); |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 232 | |
| 233 | for ( j = 1; j < axismap->num_points; ++j ) |
| 234 | { |
| 235 | if ( ncv <= axismap->blend_points[j] ) |
| 236 | { |
| 237 | FT_Fixed t = FT_MulDiv( ncv - axismap->blend_points[j - 1], |
| 238 | 0x10000L, |
| 239 | axismap->blend_points[j] - |
| 240 | axismap->blend_points[j - 1] ); |
| 241 | |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 242 | return INT_TO_FIXED( axismap->design_points[j - 1] ) + |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 243 | FT_MulDiv( t, |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 244 | axismap->design_points[j] - |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 245 | axismap->design_points[j - 1], |
| 246 | 1L ); |
| 247 | } |
| 248 | } |
| 249 | |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 250 | return INT_TO_FIXED( axismap->design_points[axismap->num_points - 1] ); |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | |
| 254 | /*************************************************************************/ |
| 255 | /* */ |
| 256 | /* Given a vector of weights, one for each design, figure out the */ |
| 257 | /* normalized axis coordinates which gave rise to those weights. */ |
| 258 | /* */ |
| 259 | FT_LOCAL_DEF( void ) |
| 260 | mm_weights_unmap( FT_Fixed* weights, |
| 261 | FT_Fixed* axiscoords, |
| 262 | FT_UInt axis_count ) |
| 263 | { |
| 264 | FT_ASSERT( axis_count <= T1_MAX_MM_AXIS ); |
| 265 | |
| 266 | if ( axis_count == 1 ) |
| 267 | axiscoords[0] = weights[1]; |
| 268 | |
| 269 | else if ( axis_count == 2 ) |
| 270 | { |
| 271 | axiscoords[0] = weights[3] + weights[1]; |
| 272 | axiscoords[1] = weights[3] + weights[2]; |
| 273 | } |
| 274 | |
| 275 | else if ( axis_count == 3 ) |
| 276 | { |
| 277 | axiscoords[0] = weights[7] + weights[5] + weights[3] + weights[1]; |
| 278 | axiscoords[1] = weights[7] + weights[6] + weights[3] + weights[2]; |
| 279 | axiscoords[2] = weights[7] + weights[6] + weights[5] + weights[4]; |
| 280 | } |
| 281 | |
| 282 | else |
| 283 | { |
| 284 | axiscoords[0] = weights[15] + weights[13] + weights[11] + weights[9] + |
| 285 | weights[7] + weights[5] + weights[3] + weights[1]; |
| 286 | axiscoords[1] = weights[15] + weights[14] + weights[11] + weights[10] + |
| 287 | weights[7] + weights[6] + weights[3] + weights[2]; |
| 288 | axiscoords[2] = weights[15] + weights[14] + weights[13] + weights[12] + |
| 289 | weights[7] + weights[6] + weights[5] + weights[4]; |
| 290 | axiscoords[3] = weights[15] + weights[14] + weights[13] + weights[12] + |
| 291 | weights[11] + weights[10] + weights[9] + weights[8]; |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | |
| 296 | /*************************************************************************/ |
| 297 | /* */ |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 298 | /* Just a wrapper around T1_Get_Multi_Master to support the different */ |
| 299 | /* arguments needed by the GX var distortable fonts. */ |
| 300 | /* */ |
| 301 | FT_LOCAL_DEF( FT_Error ) |
| 302 | T1_Get_MM_Var( T1_Face face, |
| 303 | FT_MM_Var* *master ) |
| 304 | { |
| 305 | FT_Memory memory = face->root.memory; |
| 306 | FT_MM_Var *mmvar; |
| 307 | FT_Multi_Master mmaster; |
| 308 | FT_Error error; |
| 309 | FT_UInt i; |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 310 | FT_Fixed axiscoords[T1_MAX_MM_AXIS]; |
| 311 | PS_Blend blend = face->blend; |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 312 | |
| 313 | |
| 314 | error = T1_Get_Multi_Master( face, &mmaster ); |
| 315 | if ( error ) |
| 316 | goto Exit; |
| 317 | if ( FT_ALLOC( mmvar, |
| 318 | sizeof ( FT_MM_Var ) + |
| 319 | mmaster.num_axis * sizeof ( FT_Var_Axis ) ) ) |
| 320 | goto Exit; |
| 321 | |
| 322 | mmvar->num_axis = mmaster.num_axis; |
| 323 | mmvar->num_designs = mmaster.num_designs; |
| 324 | mmvar->num_namedstyles = (FT_UInt)-1; /* Does not apply */ |
| 325 | mmvar->axis = (FT_Var_Axis*)&mmvar[1]; |
| 326 | /* Point to axes after MM_Var struct */ |
| 327 | mmvar->namedstyle = NULL; |
| 328 | |
| 329 | for ( i = 0 ; i < mmaster.num_axis; ++i ) |
| 330 | { |
| 331 | mmvar->axis[i].name = mmaster.axis[i].name; |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 332 | mmvar->axis[i].minimum = INT_TO_FIXED( mmaster.axis[i].minimum); |
| 333 | mmvar->axis[i].maximum = INT_TO_FIXED( mmaster.axis[i].maximum); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 334 | mmvar->axis[i].def = ( mmvar->axis[i].minimum + |
| 335 | mmvar->axis[i].maximum ) / 2; |
| 336 | /* Does not apply. But this value is in range */ |
Werner Lemberg | 1a5d561 | 2008-11-29 22:50:24 +0000 | [diff] [blame] | 337 | mmvar->axis[i].strid = (FT_UInt)-1; /* Does not apply */ |
| 338 | mmvar->axis[i].tag = (FT_ULong)-1; /* Does not apply */ |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 339 | |
| 340 | if ( ft_strcmp( mmvar->axis[i].name, "Weight" ) == 0 ) |
| 341 | mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'g', 'h', 't' ); |
| 342 | else if ( ft_strcmp( mmvar->axis[i].name, "Width" ) == 0 ) |
| 343 | mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'd', 't', 'h' ); |
| 344 | else if ( ft_strcmp( mmvar->axis[i].name, "OpticalSize" ) == 0 ) |
| 345 | mmvar->axis[i].tag = FT_MAKE_TAG( 'o', 'p', 's', 'z' ); |
| 346 | } |
| 347 | |
Werner Lemberg | 1a5d561 | 2008-11-29 22:50:24 +0000 | [diff] [blame] | 348 | if ( blend->num_designs == ( 1U << blend->num_axis ) ) |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 349 | { |
| 350 | mm_weights_unmap( blend->default_weight_vector, |
| 351 | axiscoords, |
| 352 | blend->num_axis ); |
| 353 | |
| 354 | for ( i = 0; i < mmaster.num_axis; ++i ) |
Werner Lemberg | ed6c0e0 | 2008-09-15 07:49:40 +0000 | [diff] [blame] | 355 | mmvar->axis[i].def = mm_axis_unmap( &blend->design_map[i], |
| 356 | axiscoords[i] ); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | *master = mmvar; |
| 360 | |
| 361 | Exit: |
| 362 | return error; |
| 363 | } |
| 364 | |
| 365 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 366 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 367 | T1_Set_MM_Blend( T1_Face face, |
| 368 | FT_UInt num_coords, |
| 369 | FT_Fixed* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 370 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 371 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 372 | FT_Error error; |
| 373 | FT_UInt n, m; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 374 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 375 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 376 | error = T1_Err_Invalid_Argument; |
| 377 | |
| 378 | if ( blend && blend->num_axis == num_coords ) |
| 379 | { |
| 380 | /* recompute the weight vector from the blend coordinates */ |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 381 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 382 | |
| 383 | for ( n = 0; n < blend->num_designs; n++ ) |
| 384 | { |
| 385 | FT_Fixed result = 0x10000L; /* 1.0 fixed */ |
| 386 | |
| 387 | |
| 388 | for ( m = 0; m < blend->num_axis; m++ ) |
| 389 | { |
| 390 | FT_Fixed factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 391 | |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 392 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 393 | /* get current blend axis position */ |
| 394 | factor = coords[m]; |
| 395 | if ( factor < 0 ) factor = 0; |
| 396 | if ( factor > 0x10000L ) factor = 0x10000L; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 397 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 398 | if ( ( n & ( 1 << m ) ) == 0 ) |
| 399 | factor = 0x10000L - factor; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 400 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 401 | result = FT_MulFix( result, factor ); |
| 402 | } |
| 403 | blend->weight_vector[n] = result; |
| 404 | } |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 405 | |
Werner Lemberg | 1429db6 | 2001-04-02 23:54:01 +0000 | [diff] [blame] | 406 | error = T1_Err_Ok; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 407 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 408 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 409 | return error; |
| 410 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 411 | |
| 412 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 413 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 414 | T1_Set_MM_Design( T1_Face face, |
| 415 | FT_UInt num_coords, |
| 416 | FT_Long* coords ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 417 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 418 | PS_Blend blend = face->blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 419 | FT_Error error; |
| 420 | FT_UInt n, p; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 421 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 422 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 423 | error = T1_Err_Invalid_Argument; |
| 424 | if ( blend && blend->num_axis == num_coords ) |
| 425 | { |
| 426 | /* compute the blend coordinates through the blend design map */ |
| 427 | FT_Fixed final_blends[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 428 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 429 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 430 | for ( n = 0; n < blend->num_axis; n++ ) |
| 431 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 432 | FT_Long design = coords[n]; |
| 433 | FT_Fixed the_blend; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 434 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 435 | FT_Long* designs = map->design_points; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 436 | FT_Fixed* blends = map->blend_points; |
| 437 | FT_Int before = -1, after = -1; |
| 438 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 439 | |
David Turner | efa80f2 | 2000-12-01 21:43:05 +0000 | [diff] [blame] | 440 | for ( p = 0; p < (FT_UInt)map->num_points; p++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 441 | { |
Werner Lemberg | 24bf96c | 2004-05-20 09:21:19 +0000 | [diff] [blame] | 442 | FT_Long p_design = designs[p]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 443 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 444 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 445 | /* exact match? */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 446 | if ( design == p_design ) |
| 447 | { |
| 448 | the_blend = blends[p]; |
| 449 | goto Found; |
| 450 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 451 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 452 | if ( design < p_design ) |
| 453 | { |
| 454 | after = p; |
| 455 | break; |
| 456 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 457 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 458 | before = p; |
| 459 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 460 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 461 | /* now interpolate if necessary */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 462 | if ( before < 0 ) |
| 463 | the_blend = blends[0]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 464 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 465 | else if ( after < 0 ) |
| 466 | the_blend = blends[map->num_points - 1]; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 467 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 468 | else |
| 469 | the_blend = FT_MulDiv( design - designs[before], |
| 470 | blends [after] - blends [before], |
| 471 | designs[after] - designs[before] ); |
| 472 | |
| 473 | Found: |
| 474 | final_blends[n] = the_blend; |
| 475 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 476 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 477 | error = T1_Set_MM_Blend( face, num_coords, final_blends ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | return error; |
| 481 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 482 | |
| 483 | |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 484 | /*************************************************************************/ |
| 485 | /* */ |
| 486 | /* Just a wrapper around T1_Set_MM_Design to support the different */ |
| 487 | /* arguments needed by the GX var distortable fonts. */ |
| 488 | /* */ |
| 489 | FT_LOCAL_DEF( FT_Error ) |
| 490 | T1_Set_Var_Design( T1_Face face, |
| 491 | FT_UInt num_coords, |
| 492 | FT_Fixed* coords ) |
| 493 | { |
| 494 | FT_Long lcoords[4]; /* maximum axis count is 4 */ |
| 495 | FT_UInt i; |
| 496 | FT_Error error; |
| 497 | |
| 498 | |
| 499 | error = T1_Err_Invalid_Argument; |
| 500 | if ( num_coords <= 4 && num_coords > 0 ) |
| 501 | { |
| 502 | for ( i = 0; i < num_coords; ++i ) |
Werner Lemberg | f79df78 | 2009-06-21 20:17:01 +0200 | [diff] [blame] | 503 | lcoords[i] = FIXED_TO_INT( coords[i] ); |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 504 | error = T1_Set_MM_Design( face, num_coords, lcoords ); |
| 505 | } |
| 506 | |
| 507 | return error; |
| 508 | } |
| 509 | |
| 510 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 511 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 512 | T1_Done_Blend( T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 513 | { |
| 514 | FT_Memory memory = face->root.memory; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 515 | PS_Blend blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 516 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 517 | |
| 518 | if ( blend ) |
| 519 | { |
| 520 | FT_UInt num_designs = blend->num_designs; |
| 521 | FT_UInt num_axis = blend->num_axis; |
| 522 | FT_UInt n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 523 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 524 | |
| 525 | /* release design pos table */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 526 | FT_FREE( blend->design_pos[0] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 527 | for ( n = 1; n < num_designs; n++ ) |
| 528 | blend->design_pos[n] = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 529 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 530 | /* release blend `private' and `font info' dictionaries */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 531 | FT_FREE( blend->privates[1] ); |
| 532 | FT_FREE( blend->font_infos[1] ); |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 533 | FT_FREE( blend->bboxes[1] ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 534 | |
| 535 | for ( n = 0; n < num_designs; n++ ) |
| 536 | { |
| 537 | blend->privates [n] = 0; |
| 538 | blend->font_infos[n] = 0; |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 539 | blend->bboxes [n] = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 540 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 541 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 542 | /* release weight vectors */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 543 | FT_FREE( blend->weight_vector ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 544 | blend->default_weight_vector = 0; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 545 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 546 | /* release axis names */ |
| 547 | for ( n = 0; n < num_axis; n++ ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 548 | FT_FREE( blend->axis_names[n] ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 549 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 550 | /* release design map */ |
| 551 | for ( n = 0; n < num_axis; n++ ) |
| 552 | { |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 553 | PS_DesignMap dmap = blend->design_map + n; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 554 | |
David Turner | 7c388ba | 2000-05-26 02:07:40 +0000 | [diff] [blame] | 555 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 556 | FT_FREE( dmap->design_points ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 557 | dmap->num_points = 0; |
| 558 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 559 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 560 | FT_FREE( face->blend ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 561 | } |
| 562 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 563 | |
| 564 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 565 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 566 | parse_blend_axis_types( T1_Face face, |
| 567 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 568 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 569 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 570 | FT_Int n, num_axis; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 571 | FT_Error error = T1_Err_Ok; |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 572 | PS_Blend blend; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 573 | FT_Memory memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 574 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 575 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 576 | /* take an array of objects */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 577 | T1_ToTokenArray( &loader->parser, axis_tokens, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 578 | T1_MAX_MM_AXIS, &num_axis ); |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 579 | if ( num_axis < 0 ) |
| 580 | { |
| 581 | error = T1_Err_Ignore; |
| 582 | goto Exit; |
| 583 | } |
| 584 | if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 585 | { |
| 586 | FT_ERROR(( "parse_blend_axis_types: incorrect number of axes: %d\n", |
| 587 | num_axis )); |
| 588 | error = T1_Err_Invalid_File_Format; |
| 589 | goto Exit; |
| 590 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 591 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 592 | /* allocate blend if necessary */ |
| 593 | error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); |
| 594 | if ( error ) |
| 595 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 596 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 597 | blend = face->blend; |
| 598 | memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 599 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 600 | /* each token is an immediate containing the name of the axis */ |
| 601 | for ( n = 0; n < num_axis; n++ ) |
| 602 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 603 | T1_Token token = axis_tokens + n; |
| 604 | FT_Byte* name; |
| 605 | FT_PtrDist len; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 606 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 607 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 608 | /* skip first slash, if any */ |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 609 | if ( token->start[0] == '/' ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 610 | token->start++; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 611 | |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 612 | len = token->limit - token->start; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 613 | if ( len == 0 ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 614 | { |
| 615 | error = T1_Err_Invalid_File_Format; |
| 616 | goto Exit; |
| 617 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 618 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 619 | if ( FT_ALLOC( blend->axis_names[n], len + 1 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 620 | goto Exit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 621 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 622 | name = (FT_Byte*)blend->axis_names[n]; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 623 | FT_MEM_COPY( name, token->start, len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 624 | name[len] = 0; |
| 625 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 626 | |
| 627 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 628 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 629 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 630 | |
| 631 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 632 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 633 | parse_blend_design_positions( T1_Face face, |
| 634 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 635 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 636 | T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 637 | FT_Int num_designs; |
| 638 | FT_Int num_axis; |
| 639 | T1_Parser parser = &loader->parser; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 640 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 641 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 642 | PS_Blend blend; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 643 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 644 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 645 | /* get the array of design tokens -- compute number of designs */ |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 646 | T1_ToTokenArray( parser, design_tokens, |
| 647 | T1_MAX_MM_DESIGNS, &num_designs ); |
| 648 | if ( num_designs < 0 ) |
| 649 | { |
| 650 | error = T1_Err_Ignore; |
| 651 | goto Exit; |
| 652 | } |
| 653 | if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 654 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 655 | FT_ERROR(( "parse_blend_design_positions:" |
| 656 | " incorrect number of designs: %d\n", |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 657 | num_designs )); |
| 658 | error = T1_Err_Invalid_File_Format; |
| 659 | goto Exit; |
| 660 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 661 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 662 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 663 | FT_Byte* old_cursor = parser->root.cursor; |
| 664 | FT_Byte* old_limit = parser->root.limit; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 665 | FT_Int n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 666 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 667 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 668 | blend = face->blend; |
| 669 | num_axis = 0; /* make compiler happy */ |
| 670 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 671 | for ( n = 0; n < num_designs; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 672 | { |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 673 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 674 | T1_Token token; |
| 675 | FT_Int axis, n_axis; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 676 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 677 | |
| 678 | /* read axis/coordinates tokens */ |
| 679 | token = design_tokens + n; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 680 | parser->root.cursor = token->start; |
| 681 | parser->root.limit = token->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 682 | T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &n_axis ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 683 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 684 | if ( n == 0 ) |
| 685 | { |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 686 | if ( n_axis <= 0 || n_axis > T1_MAX_MM_AXIS ) |
| 687 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 688 | FT_ERROR(( "parse_blend_design_positions:" |
| 689 | " invalid number of axes: %d\n", |
Werner Lemberg | 7cb9ec0 | 2008-06-09 20:49:29 +0000 | [diff] [blame] | 690 | n_axis )); |
| 691 | error = T1_Err_Invalid_File_Format; |
| 692 | goto Exit; |
| 693 | } |
| 694 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 695 | num_axis = n_axis; |
| 696 | error = t1_allocate_blend( face, num_designs, num_axis ); |
| 697 | if ( error ) |
| 698 | goto Exit; |
| 699 | blend = face->blend; |
| 700 | } |
| 701 | else if ( n_axis != num_axis ) |
| 702 | { |
| 703 | FT_ERROR(( "parse_blend_design_positions: incorrect table\n" )); |
| 704 | error = T1_Err_Invalid_File_Format; |
| 705 | goto Exit; |
| 706 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 707 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 708 | /* now read each axis token into the design position */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 709 | for ( axis = 0; axis < n_axis; axis++ ) |
| 710 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 711 | T1_Token token2 = axis_tokens + axis; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 712 | |
| 713 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 714 | parser->root.cursor = token2->start; |
| 715 | parser->root.limit = token2->limit; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 716 | blend->design_pos[n][axis] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 717 | } |
| 718 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 719 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 720 | loader->parser.root.cursor = old_cursor; |
| 721 | loader->parser.root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 722 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 723 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 724 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 725 | loader->parser.root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 726 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 727 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 728 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 729 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 730 | parse_blend_design_map( T1_Face face, |
| 731 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 732 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 733 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 734 | T1_Parser parser = &loader->parser; |
| 735 | PS_Blend blend; |
| 736 | T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; |
| 737 | FT_Int n, num_axis; |
| 738 | FT_Byte* old_cursor; |
| 739 | FT_Byte* old_limit; |
| 740 | FT_Memory memory = face->root.memory; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 741 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 742 | |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 743 | T1_ToTokenArray( parser, axis_tokens, |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 744 | T1_MAX_MM_AXIS, &num_axis ); |
| 745 | if ( num_axis < 0 ) |
| 746 | { |
| 747 | error = T1_Err_Ignore; |
| 748 | goto Exit; |
| 749 | } |
| 750 | if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 751 | { |
| 752 | FT_ERROR(( "parse_blend_design_map: incorrect number of axes: %d\n", |
| 753 | num_axis )); |
| 754 | error = T1_Err_Invalid_File_Format; |
| 755 | goto Exit; |
| 756 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 757 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 758 | old_cursor = parser->root.cursor; |
| 759 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 760 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 761 | error = t1_allocate_blend( face, 0, num_axis ); |
| 762 | if ( error ) |
| 763 | goto Exit; |
| 764 | blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 765 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 766 | /* now read each axis design map */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 767 | for ( n = 0; n < num_axis; n++ ) |
| 768 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 769 | PS_DesignMap map = blend->design_map + n; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 770 | T1_Token axis_token; |
| 771 | T1_TokenRec point_tokens[T1_MAX_MM_MAP_POINTS]; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 772 | FT_Int p, num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 773 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 774 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 775 | axis_token = axis_tokens + n; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 776 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 777 | parser->root.cursor = axis_token->start; |
| 778 | parser->root.limit = axis_token->limit; |
| 779 | T1_ToTokenArray( parser, point_tokens, |
| 780 | T1_MAX_MM_MAP_POINTS, &num_points ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 781 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 782 | if ( num_points <= 0 || num_points > T1_MAX_MM_MAP_POINTS ) |
| 783 | { |
| 784 | FT_ERROR(( "parse_blend_design_map: incorrect table\n" )); |
| 785 | error = T1_Err_Invalid_File_Format; |
| 786 | goto Exit; |
| 787 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 788 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 789 | /* allocate design map data */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 790 | if ( FT_NEW_ARRAY( map->design_points, num_points * 2 ) ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 791 | goto Exit; |
| 792 | map->blend_points = map->design_points + num_points; |
| 793 | map->num_points = (FT_Byte)num_points; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 794 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 795 | for ( p = 0; p < num_points; p++ ) |
| 796 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 797 | T1_Token point_token; |
| 798 | |
| 799 | |
| 800 | point_token = point_tokens + p; |
| 801 | |
| 802 | /* don't include delimiting brackets */ |
| 803 | parser->root.cursor = point_token->start + 1; |
| 804 | parser->root.limit = point_token->limit - 1; |
| 805 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 806 | map->design_points[p] = T1_ToInt( parser ); |
| 807 | map->blend_points [p] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 808 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 809 | } |
| 810 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 811 | parser->root.cursor = old_cursor; |
| 812 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 813 | |
| 814 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 815 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 816 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 817 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 818 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 819 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 820 | parse_weight_vector( T1_Face face, |
| 821 | T1_Loader loader ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 822 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 823 | T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; |
| 824 | FT_Int num_designs; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 825 | FT_Error error = T1_Err_Ok; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 826 | T1_Parser parser = &loader->parser; |
| 827 | PS_Blend blend = face->blend; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 828 | T1_Token token; |
| 829 | FT_Int n; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 830 | FT_Byte* old_cursor; |
| 831 | FT_Byte* old_limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 832 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 833 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 834 | T1_ToTokenArray( parser, design_tokens, |
| 835 | T1_MAX_MM_DESIGNS, &num_designs ); |
| 836 | if ( num_designs < 0 ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 837 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 838 | error = T1_Err_Ignore; |
| 839 | goto Exit; |
| 840 | } |
| 841 | if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) |
| 842 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 843 | FT_ERROR(( "parse_weight_vector:" |
| 844 | " incorrect number of designs: %d\n", |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 845 | num_designs )); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 846 | error = T1_Err_Invalid_File_Format; |
| 847 | goto Exit; |
| 848 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 849 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 850 | if ( !blend || !blend->num_designs ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 851 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 852 | error = t1_allocate_blend( face, num_designs, 0 ); |
| 853 | if ( error ) |
| 854 | goto Exit; |
| 855 | blend = face->blend; |
| 856 | } |
| 857 | else if ( blend->num_designs != (FT_UInt)num_designs ) |
| 858 | { |
| 859 | FT_ERROR(( "parse_weight_vector:" |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 860 | " /BlendDesignPosition and /WeightVector have\n" |
| 861 | " " |
| 862 | " different number of elements\n" )); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 863 | error = T1_Err_Invalid_File_Format; |
| 864 | goto Exit; |
| 865 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 866 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 867 | old_cursor = parser->root.cursor; |
| 868 | old_limit = parser->root.limit; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 869 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 870 | for ( n = 0; n < num_designs; n++ ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 871 | { |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 872 | token = design_tokens + n; |
| 873 | parser->root.cursor = token->start; |
| 874 | parser->root.limit = token->limit; |
| 875 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 876 | blend->default_weight_vector[n] = |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 877 | blend->weight_vector[n] = T1_ToFixed( parser, 0 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 878 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 879 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 880 | parser->root.cursor = old_cursor; |
| 881 | parser->root.limit = old_limit; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 882 | |
| 883 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 884 | parser->root.error = error; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 885 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 886 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 887 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 888 | /* e.g., /BuildCharArray [0 0 0 0 0 0 0 0] def */ |
| 889 | /* we're only interested in the number of array elements */ |
| 890 | static void |
| 891 | parse_buildchar( T1_Face face, |
| 892 | T1_Loader loader ) |
| 893 | { |
| 894 | face->len_buildchar = T1_ToFixedArray( &loader->parser, 0, NULL, 0 ); |
| 895 | |
| 896 | return; |
| 897 | } |
| 898 | |
| 899 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 900 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 901 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 902 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 903 | |
| 904 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 905 | /*************************************************************************/ |
| 906 | /*************************************************************************/ |
| 907 | /***** *****/ |
| 908 | /***** TYPE 1 SYMBOL PARSING *****/ |
| 909 | /***** *****/ |
| 910 | /*************************************************************************/ |
| 911 | /*************************************************************************/ |
| 912 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 913 | static FT_Error |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame] | 914 | t1_load_keyword( T1_Face face, |
| 915 | T1_Loader loader, |
| 916 | const T1_Field field ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 917 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 918 | FT_Error error; |
| 919 | void* dummy_object; |
| 920 | void** objects; |
| 921 | FT_UInt max_objects; |
| 922 | PS_Blend blend = face->blend; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 923 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 924 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 925 | /* if the keyword has a dedicated callback, call it */ |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 926 | if ( field->type == T1_FIELD_TYPE_CALLBACK ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 927 | { |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 928 | field->reader( (FT_Face)face, loader ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 929 | error = loader->parser.root.error; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 930 | goto Exit; |
| 931 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 932 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 933 | /* now, the keyword is either a simple field, or a table of fields; */ |
| 934 | /* we are now going to take care of it */ |
David Turner | 34f1c2f | 2000-08-23 22:47:44 +0000 | [diff] [blame] | 935 | switch ( field->location ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 936 | { |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 937 | case T1_FIELD_LOCATION_FONT_INFO: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 938 | dummy_object = &face->type1.font_info; |
| 939 | objects = &dummy_object; |
| 940 | max_objects = 0; |
| 941 | |
| 942 | if ( blend ) |
| 943 | { |
| 944 | objects = (void**)blend->font_infos; |
| 945 | max_objects = blend->num_designs; |
| 946 | } |
| 947 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 948 | |
David Turner | 01ca4da | 2009-03-03 13:28:59 +0000 | [diff] [blame] | 949 | case T1_FIELD_LOCATION_FONT_EXTRA: |
| 950 | dummy_object = &face->type1.font_extra; |
| 951 | objects = &dummy_object; |
| 952 | max_objects = 0; |
| 953 | break; |
| 954 | |
David Turner | 429978b | 2002-03-14 10:09:35 +0000 | [diff] [blame] | 955 | case T1_FIELD_LOCATION_PRIVATE: |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 956 | dummy_object = &face->type1.private_dict; |
| 957 | objects = &dummy_object; |
| 958 | max_objects = 0; |
| 959 | |
| 960 | if ( blend ) |
| 961 | { |
| 962 | objects = (void**)blend->privates; |
| 963 | max_objects = blend->num_designs; |
| 964 | } |
| 965 | break; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 966 | |
David Turner | 8db6a07 | 2002-07-11 11:26:21 +0000 | [diff] [blame] | 967 | case T1_FIELD_LOCATION_BBOX: |
| 968 | dummy_object = &face->type1.font_bbox; |
| 969 | objects = &dummy_object; |
| 970 | max_objects = 0; |
| 971 | |
| 972 | if ( blend ) |
| 973 | { |
| 974 | objects = (void**)blend->bboxes; |
| 975 | max_objects = blend->num_designs; |
| 976 | } |
| 977 | break; |
| 978 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 979 | case T1_FIELD_LOCATION_LOADER: |
| 980 | dummy_object = loader; |
| 981 | objects = &dummy_object; |
| 982 | max_objects = 0; |
| 983 | break; |
| 984 | |
| 985 | case T1_FIELD_LOCATION_FACE: |
| 986 | dummy_object = face; |
| 987 | objects = &dummy_object; |
| 988 | max_objects = 0; |
| 989 | break; |
| 990 | |
| 991 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| 992 | case T1_FIELD_LOCATION_BLEND: |
| 993 | dummy_object = face->blend; |
| 994 | objects = &dummy_object; |
| 995 | max_objects = 0; |
| 996 | break; |
| 997 | #endif |
| 998 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 999 | default: |
| 1000 | dummy_object = &face->type1; |
| 1001 | objects = &dummy_object; |
| 1002 | max_objects = 0; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1003 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1004 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1005 | if ( field->type == T1_FIELD_TYPE_INTEGER_ARRAY || |
| 1006 | field->type == T1_FIELD_TYPE_FIXED_ARRAY ) |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1007 | error = T1_Load_Field_Table( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1008 | objects, max_objects, 0 ); |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1009 | else |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1010 | error = T1_Load_Field( &loader->parser, field, |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1011 | objects, max_objects, 0 ); |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1012 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1013 | Exit: |
| 1014 | return error; |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1015 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1016 | |
| 1017 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1018 | static void |
| 1019 | parse_private( T1_Face face, |
| 1020 | T1_Loader loader ) |
| 1021 | { |
| 1022 | FT_UNUSED( face ); |
| 1023 | |
| 1024 | loader->keywords_encountered |= T1_PRIVATE; |
| 1025 | } |
| 1026 | |
| 1027 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1028 | static int |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1029 | read_binary_data( T1_Parser parser, |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1030 | FT_Long* size, |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1031 | FT_Byte** base ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1032 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1033 | FT_Byte* cur; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1034 | FT_Byte* limit = parser->root.limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1035 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1036 | |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1037 | /* the binary data has one of the following formats */ |
| 1038 | /* */ |
| 1039 | /* `size' [white*] RD white ....... ND */ |
| 1040 | /* `size' [white*] -| white ....... |- */ |
| 1041 | /* */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1042 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1043 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1044 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1045 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1046 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1047 | if ( cur < limit && ft_isdigit( *cur ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1048 | { |
Werner Lemberg | f689bf7 | 2010-11-18 10:28:16 +0100 | [diff] [blame^] | 1049 | FT_Long s = T1_ToInt( parser ); |
| 1050 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1051 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1052 | T1_Skip_PS_Token( parser ); /* `RD' or `-|' or something else */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1053 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1054 | /* there is only one whitespace char after the */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1055 | /* `RD' or `-|' token */ |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1056 | *base = parser->root.cursor + 1; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1057 | |
Werner Lemberg | f689bf7 | 2010-11-18 10:28:16 +0100 | [diff] [blame^] | 1058 | if ( s >= 0 && s < limit - *base ) |
| 1059 | { |
| 1060 | parser->root.cursor += s + 1; |
| 1061 | *size = s; |
| 1062 | return !parser->root.error; |
| 1063 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1064 | } |
| 1065 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1066 | FT_ERROR(( "read_binary_data: invalid size field\n" )); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1067 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1068 | return 0; |
| 1069 | } |
| 1070 | |
| 1071 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1072 | /* We now define the routines to handle the `/Encoding', `/Subrs', */ |
| 1073 | /* and `/CharStrings' dictionaries. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1074 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1075 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1076 | parse_font_matrix( T1_Face face, |
| 1077 | T1_Loader loader ) |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1078 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1079 | T1_Parser parser = &loader->parser; |
| 1080 | FT_Matrix* matrix = &face->type1.font_matrix; |
| 1081 | FT_Vector* offset = &face->type1.font_offset; |
| 1082 | FT_Face root = (FT_Face)&face->root; |
| 1083 | FT_Fixed temp[6]; |
| 1084 | FT_Fixed temp_scale; |
Werner Lemberg | e5c14d9 | 2007-06-05 20:50:37 +0000 | [diff] [blame] | 1085 | FT_Int result; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1086 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1087 | |
Werner Lemberg | e5c14d9 | 2007-06-05 20:50:37 +0000 | [diff] [blame] | 1088 | result = T1_ToFixedArray( parser, 6, temp, 3 ); |
| 1089 | |
| 1090 | if ( result < 0 ) |
| 1091 | { |
| 1092 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1093 | return; |
| 1094 | } |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1095 | |
Werner Lemberg | dfa4619 | 2004-03-05 09:26:24 +0000 | [diff] [blame] | 1096 | temp_scale = FT_ABS( temp[3] ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1097 | |
Werner Lemberg | 470210b | 2007-06-06 10:05:49 +0000 | [diff] [blame] | 1098 | if ( temp_scale == 0 ) |
| 1099 | { |
| 1100 | FT_ERROR(( "parse_font_matrix: invalid font matrix\n" )); |
| 1101 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1102 | return; |
| 1103 | } |
| 1104 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 1105 | /* Set Units per EM based on FontMatrix values. We set the value to */ |
| 1106 | /* 1000 / temp_scale, because temp_scale was already multiplied by */ |
| 1107 | /* 1000 (in t1_tofixed, from psobjs.c). */ |
Tom Kacvinsky | f3dad68 | 2001-03-19 13:52:31 +0000 | [diff] [blame] | 1108 | |
Werner Lemberg | ec34290 | 2001-09-10 06:55:43 +0000 | [diff] [blame] | 1109 | root->units_per_EM = (FT_UShort)( FT_DivFix( 1000 * 0x10000L, |
| 1110 | temp_scale ) >> 16 ); |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1111 | |
| 1112 | /* we need to scale the values by 1.0/temp_scale */ |
| 1113 | if ( temp_scale != 0x10000L ) |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1114 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 1115 | temp[0] = FT_DivFix( temp[0], temp_scale ); |
| 1116 | temp[1] = FT_DivFix( temp[1], temp_scale ); |
| 1117 | temp[2] = FT_DivFix( temp[2], temp_scale ); |
| 1118 | temp[4] = FT_DivFix( temp[4], temp_scale ); |
| 1119 | temp[5] = FT_DivFix( temp[5], temp_scale ); |
Werner Lemberg | b1c8bf0 | 2000-08-17 07:18:04 +0000 | [diff] [blame] | 1120 | temp[3] = 0x10000L; |
David Turner | 24d7024 | 2000-08-17 01:09:06 +0000 | [diff] [blame] | 1121 | } |
| 1122 | |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1123 | matrix->xx = temp[0]; |
| 1124 | matrix->yx = temp[1]; |
| 1125 | matrix->xy = temp[2]; |
| 1126 | matrix->yy = temp[3]; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1127 | |
Werner Lemberg | 6fbe4db | 2000-10-05 04:53:31 +0000 | [diff] [blame] | 1128 | /* note that the offsets must be expressed in integer font units */ |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1129 | offset->x = temp[4] >> 16; |
| 1130 | offset->y = temp[5] >> 16; |
David Turner | 1c9a1ca | 2000-05-24 21:12:02 +0000 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1134 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1135 | parse_encoding( T1_Face face, |
| 1136 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1137 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1138 | T1_Parser parser = &loader->parser; |
| 1139 | FT_Byte* cur; |
| 1140 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1141 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1142 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1143 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1144 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1145 | T1_Skip_Spaces( parser ); |
| 1146 | cur = parser->root.cursor; |
| 1147 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1148 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 1149 | FT_ERROR(( "parse_encoding: out of bounds\n" )); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1150 | parser->root.error = T1_Err_Invalid_File_Format; |
| 1151 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1152 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1153 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1154 | /* if we have a number or `[', the encoding is an array, */ |
| 1155 | /* and we must load it now */ |
| 1156 | if ( ft_isdigit( *cur ) || *cur == '[' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1157 | { |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1158 | T1_Encoding encode = &face->type1.encoding; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1159 | FT_Int count, n; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1160 | PS_Table char_table = &loader->encoding_table; |
| 1161 | FT_Memory memory = parser->root.memory; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1162 | FT_Error error; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1163 | FT_Bool only_immediates = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1164 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1165 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1166 | /* read the number of entries in the encoding; should be 256 */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1167 | if ( *cur == '[' ) |
| 1168 | { |
| 1169 | count = 256; |
| 1170 | only_immediates = 1; |
| 1171 | parser->root.cursor++; |
| 1172 | } |
| 1173 | else |
| 1174 | count = (FT_Int)T1_ToInt( parser ); |
| 1175 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1176 | T1_Skip_Spaces( parser ); |
| 1177 | if ( parser->root.cursor >= limit ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1178 | return; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1179 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1180 | /* we use a T1_Table to store our charnames */ |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1181 | loader->num_chars = encode->num_chars = count; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1182 | if ( FT_NEW_ARRAY( encode->char_index, count ) || |
| 1183 | FT_NEW_ARRAY( encode->char_name, count ) || |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1184 | FT_SET_ERROR( psaux->ps_table_funcs->init( |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1185 | char_table, count, memory ) ) ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1186 | { |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1187 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1188 | return; |
| 1189 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1190 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1191 | /* We need to `zero' out encoding_table.elements */ |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1192 | for ( n = 0; n < count; n++ ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1193 | { |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1194 | char* notdef = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1195 | |
| 1196 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1197 | T1_Add_Table( char_table, n, notdef, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1200 | /* Now we need to read records of the form */ |
| 1201 | /* */ |
| 1202 | /* ... charcode /charname ... */ |
| 1203 | /* */ |
| 1204 | /* for each entry in our table. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1205 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1206 | /* We simply look for a number followed by an immediate */ |
| 1207 | /* name. Note that this ignores correctly the sequence */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1208 | /* that is often seen in type1 fonts: */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1209 | /* */ |
| 1210 | /* 0 1 255 { 1 index exch /.notdef put } for dup */ |
| 1211 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1212 | /* used to clean the encoding array before anything else. */ |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1213 | /* */ |
| 1214 | /* Alternatively, if the array is directly given as */ |
| 1215 | /* */ |
| 1216 | /* /Encoding [ ... ] */ |
| 1217 | /* */ |
| 1218 | /* we only read immediates. */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1219 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1220 | n = 0; |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1221 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1222 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1223 | while ( parser->root.cursor < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1224 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1225 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1226 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1227 | /* we stop when we encounter a `def' or `]' */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1228 | if ( *cur == 'd' && cur + 3 < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1229 | { |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1230 | if ( cur[1] == 'e' && |
| 1231 | cur[2] == 'f' && |
| 1232 | IS_PS_DELIM( cur[3] ) ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1233 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1234 | FT_TRACE6(( "encoding end\n" )); |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1235 | cur += 3; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1236 | break; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1237 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1238 | } |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1239 | if ( *cur == ']' ) |
| 1240 | { |
| 1241 | FT_TRACE6(( "encoding end\n" )); |
| 1242 | cur++; |
| 1243 | break; |
| 1244 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1245 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1246 | /* check whether we've found an entry */ |
| 1247 | if ( ft_isdigit( *cur ) || only_immediates ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1248 | { |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1249 | FT_Int charcode; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1250 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1251 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1252 | if ( only_immediates ) |
| 1253 | charcode = n; |
| 1254 | else |
| 1255 | { |
| 1256 | charcode = (FT_Int)T1_ToInt( parser ); |
| 1257 | T1_Skip_Spaces( parser ); |
| 1258 | } |
| 1259 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1260 | cur = parser->root.cursor; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1261 | |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1262 | if ( *cur == '/' && cur + 2 < limit && n < count ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1263 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1264 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1265 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1266 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1267 | cur++; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1268 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1269 | parser->root.cursor = cur; |
| 1270 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1271 | if ( parser->root.error ) |
| 1272 | return; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1273 | |
| 1274 | len = parser->root.cursor - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1275 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1276 | parser->root.error = T1_Add_Table( char_table, charcode, |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1277 | cur, len + 1 ); |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1278 | if ( parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1279 | return; |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1280 | char_table->elements[charcode][len] = '\0'; |
Werner Lemberg | 4795b36 | 2003-10-23 16:24:10 +0000 | [diff] [blame] | 1281 | |
| 1282 | n++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1283 | } |
Werner Lemberg | 4dbf00a | 2008-08-28 16:12:48 +0000 | [diff] [blame] | 1284 | else if ( only_immediates ) |
| 1285 | { |
| 1286 | /* Since the current position is not updated for */ |
| 1287 | /* immediates-only mode we would get an infinite loop if */ |
| 1288 | /* we don't do anything here. */ |
| 1289 | /* */ |
| 1290 | /* This encoding array is not valid according to the type1 */ |
| 1291 | /* specification (it might be an encoding for a CID type1 */ |
| 1292 | /* font, however), so we conclude that this font is NOT a */ |
| 1293 | /* type1 font. */ |
| 1294 | parser->root.error = FT_Err_Unknown_File_Format; |
| 1295 | return; |
| 1296 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1297 | } |
| 1298 | else |
Werner Lemberg | 9fe5815 | 2007-06-19 07:57:30 +0000 | [diff] [blame] | 1299 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1300 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 9fe5815 | 2007-06-19 07:57:30 +0000 | [diff] [blame] | 1301 | if ( parser->root.error ) |
| 1302 | return; |
| 1303 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1304 | |
| 1305 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1306 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1307 | |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1308 | face->type1.encoding_type = T1_ENCODING_TYPE_ARRAY; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1309 | parser->root.cursor = cur; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1310 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1311 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1312 | /* Otherwise, we should have either `StandardEncoding', */ |
| 1313 | /* `ExpertEncoding', or `ISOLatin1Encoding' */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1314 | else |
| 1315 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1316 | if ( cur + 17 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1317 | ft_strncmp( (const char*)cur, "StandardEncoding", 16 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1318 | face->type1.encoding_type = T1_ENCODING_TYPE_STANDARD; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1319 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1320 | else if ( cur + 15 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1321 | ft_strncmp( (const char*)cur, "ExpertEncoding", 14 ) == 0 ) |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1322 | face->type1.encoding_type = T1_ENCODING_TYPE_EXPERT; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1323 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1324 | else if ( cur + 18 < limit && |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1325 | ft_strncmp( (const char*)cur, "ISOLatin1Encoding", 17 ) == 0 ) |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 1326 | face->type1.encoding_type = T1_ENCODING_TYPE_ISOLATIN1; |
Werner Lemberg | 66b3509 | 2002-02-10 12:33:14 +0000 | [diff] [blame] | 1327 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1328 | else |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1329 | parser->root.error = T1_Err_Ignore; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1334 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1335 | parse_subrs( T1_Face face, |
| 1336 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1337 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1338 | T1_Parser parser = &loader->parser; |
| 1339 | PS_Table table = &loader->subrs; |
| 1340 | FT_Memory memory = parser->root.memory; |
| 1341 | FT_Error error; |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1342 | FT_Int num_subrs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1343 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1344 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 1345 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1346 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1347 | T1_Skip_Spaces( parser ); |
| 1348 | |
| 1349 | /* test for empty array */ |
| 1350 | if ( parser->root.cursor < parser->root.limit && |
| 1351 | *parser->root.cursor == '[' ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1352 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1353 | T1_Skip_PS_Token( parser ); |
| 1354 | T1_Skip_Spaces ( parser ); |
| 1355 | if ( parser->root.cursor >= parser->root.limit || |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1356 | *parser->root.cursor != ']' ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1357 | parser->root.error = T1_Err_Invalid_File_Format; |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1358 | return; |
| 1359 | } |
| 1360 | |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1361 | num_subrs = (FT_Int)T1_ToInt( parser ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1362 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1363 | /* position the parser right before the `dup' of the first subr */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1364 | T1_Skip_PS_Token( parser ); /* `array' */ |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1365 | if ( parser->root.error ) |
| 1366 | return; |
| 1367 | T1_Skip_Spaces( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1368 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1369 | /* initialize subrs array -- with synthetic fonts it is possible */ |
| 1370 | /* we get here twice */ |
| 1371 | if ( !loader->num_subrs ) |
| 1372 | { |
| 1373 | error = psaux->ps_table_funcs->init( table, num_subrs, memory ); |
| 1374 | if ( error ) |
| 1375 | goto Fail; |
| 1376 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1377 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1378 | /* the format is simple: */ |
| 1379 | /* */ |
| 1380 | /* `index' + binary data */ |
| 1381 | /* */ |
| 1382 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1383 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1384 | FT_Long idx, size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1385 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1386 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1387 | |
Werner Lemberg | e0ed07d | 2008-11-04 10:37:30 +0000 | [diff] [blame] | 1388 | /* If the next token isn't `dup' we are done. */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1389 | if ( ft_strncmp( (char*)parser->root.cursor, "dup", 3 ) != 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1390 | break; |
| 1391 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1392 | T1_Skip_PS_Token( parser ); /* `dup' */ |
| 1393 | |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 1394 | idx = T1_ToInt( parser ); |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1395 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1396 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1397 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1398 | |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1399 | /* The binary string is followed by one token, e.g. `NP' */ |
| 1400 | /* (bound to `noaccess put') or by two separate tokens: */ |
| 1401 | /* `noaccess' & `put'. We position the parser right */ |
| 1402 | /* before the next `dup', if any. */ |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1403 | T1_Skip_PS_Token( parser ); /* `NP' or `|' or `noaccess' */ |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1404 | if ( parser->root.error ) |
| 1405 | return; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1406 | T1_Skip_Spaces ( parser ); |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1407 | |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 1408 | if ( ft_strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 ) |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1409 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1410 | T1_Skip_PS_Token( parser ); /* skip `put' */ |
| 1411 | T1_Skip_Spaces ( parser ); |
Just van Rossum | 53fb1f5 | 2000-07-25 16:20:57 +0000 | [diff] [blame] | 1412 | } |
| 1413 | |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1414 | /* with synthetic fonts it is possible we get here twice */ |
| 1415 | if ( loader->num_subrs ) |
| 1416 | continue; |
| 1417 | |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1418 | /* some fonts use a value of -1 for lenIV to indicate that */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1419 | /* the charstrings are unencoded */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1420 | /* */ |
Werner Lemberg | d082cd6 | 2000-07-25 17:25:32 +0000 | [diff] [blame] | 1421 | /* thanks to Tom Kacvinsky for pointing this out */ |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1422 | /* */ |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1423 | if ( face->type1.private_dict.lenIV >= 0 ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1424 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1425 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1426 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1427 | |
Werner Lemberg | 16dc51f | 2008-05-18 17:36:15 +0000 | [diff] [blame] | 1428 | /* some fonts define empty subr records -- this is not totally */ |
| 1429 | /* compliant to the specification (which says they should at */ |
| 1430 | /* least contain a `return'), but we support them anyway */ |
Werner Lemberg | 504645e | 2008-05-14 23:26:20 +0000 | [diff] [blame] | 1431 | if ( size < face->type1.private_dict.lenIV ) |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1432 | { |
| 1433 | error = T1_Err_Invalid_File_Format; |
| 1434 | goto Fail; |
| 1435 | } |
| 1436 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1437 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1438 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1439 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1440 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1441 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1442 | size -= face->type1.private_dict.lenIV; |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1443 | error = T1_Add_Table( table, (FT_Int)idx, |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1444 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1445 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1446 | } |
| 1447 | else |
Werner Lemberg | 7386197 | 2003-06-05 04:31:05 +0000 | [diff] [blame] | 1448 | error = T1_Add_Table( table, (FT_Int)idx, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1449 | if ( error ) |
| 1450 | goto Fail; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1451 | } |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1452 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1453 | if ( !loader->num_subrs ) |
| 1454 | loader->num_subrs = num_subrs; |
Werner Lemberg | 3480819 | 2003-10-07 11:54:03 +0000 | [diff] [blame] | 1455 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1456 | return; |
| 1457 | |
| 1458 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1459 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1460 | } |
| 1461 | |
| 1462 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1463 | #define TABLE_EXTEND 5 |
| 1464 | |
| 1465 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1466 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1467 | parse_charstrings( T1_Face face, |
| 1468 | T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1469 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1470 | T1_Parser parser = &loader->parser; |
| 1471 | PS_Table code_table = &loader->charstrings; |
| 1472 | PS_Table name_table = &loader->glyph_names; |
| 1473 | PS_Table swap_table = &loader->swap_table; |
| 1474 | FT_Memory memory = parser->root.memory; |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1475 | FT_Error error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1476 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1477 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1478 | |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1479 | FT_Byte* cur; |
| 1480 | FT_Byte* limit = parser->root.limit; |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1481 | FT_Int n, num_glyphs; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1482 | FT_UInt notdef_index = 0; |
| 1483 | FT_Byte notdef_found = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1484 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1485 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1486 | num_glyphs = (FT_Int)T1_ToInt( parser ); |
Werner Lemberg | cf7d908 | 2004-02-02 19:41:09 +0000 | [diff] [blame] | 1487 | /* some fonts like Optima-Oblique not only define the /CharStrings */ |
| 1488 | /* array but access it also */ |
| 1489 | if ( num_glyphs == 0 || parser->root.error ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1490 | return; |
| 1491 | |
Werner Lemberg | b36d4a5 | 2003-12-12 15:38:39 +0000 | [diff] [blame] | 1492 | /* initialize tables, leaving space for addition of .notdef, */ |
| 1493 | /* if necessary, and a few other glyphs to handle buggy */ |
| 1494 | /* fonts which have more glyphs than specified. */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1495 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1496 | /* for some non-standard fonts like `Optima' which provides */ |
| 1497 | /* different outlines depending on the resolution it is */ |
| 1498 | /* possible to get here twice */ |
| 1499 | if ( !loader->num_glyphs ) |
| 1500 | { |
| 1501 | error = psaux->ps_table_funcs->init( |
| 1502 | code_table, num_glyphs + 1 + TABLE_EXTEND, memory ); |
| 1503 | if ( error ) |
| 1504 | goto Fail; |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1505 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1506 | error = psaux->ps_table_funcs->init( |
| 1507 | name_table, num_glyphs + 1 + TABLE_EXTEND, memory ); |
| 1508 | if ( error ) |
| 1509 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1510 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1511 | /* Initialize table for swapping index notdef_index and */ |
| 1512 | /* index 0 names and codes (if necessary). */ |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1513 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1514 | error = psaux->ps_table_funcs->init( swap_table, 4, memory ); |
| 1515 | if ( error ) |
| 1516 | goto Fail; |
| 1517 | } |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1518 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1519 | n = 0; |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1520 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1521 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1522 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1523 | FT_Long size; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 1524 | FT_Byte* base; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1525 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1526 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1527 | /* the format is simple: */ |
| 1528 | /* `/glyphname' + binary data */ |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1529 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1530 | T1_Skip_Spaces( parser ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1531 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1532 | cur = parser->root.cursor; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1533 | if ( cur >= limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1534 | break; |
| 1535 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1536 | /* we stop when we find a `def' or `end' keyword */ |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1537 | if ( cur + 3 < limit && IS_PS_DELIM( cur[3] ) ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1538 | { |
| 1539 | if ( cur[0] == 'd' && |
| 1540 | cur[1] == 'e' && |
| 1541 | cur[2] == 'f' ) |
Werner Lemberg | e7602c4 | 2005-04-14 11:43:40 +0000 | [diff] [blame] | 1542 | { |
| 1543 | /* There are fonts which have this: */ |
| 1544 | /* */ |
| 1545 | /* /CharStrings 118 dict def */ |
| 1546 | /* Private begin */ |
| 1547 | /* CharStrings begin */ |
| 1548 | /* ... */ |
| 1549 | /* */ |
| 1550 | /* To catch this we ignore `def' if */ |
| 1551 | /* no charstring has actually been */ |
| 1552 | /* seen. */ |
| 1553 | if ( n ) |
| 1554 | break; |
| 1555 | } |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1556 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1557 | if ( cur[0] == 'e' && |
| 1558 | cur[1] == 'n' && |
| 1559 | cur[2] == 'd' ) |
| 1560 | break; |
| 1561 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1562 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1563 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1564 | if ( parser->root.error ) |
| 1565 | return; |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1566 | |
| 1567 | if ( *cur == '/' ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1568 | { |
Werner Lemberg | bc1837a | 2002-09-17 12:39:19 +0000 | [diff] [blame] | 1569 | FT_PtrDist len; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1570 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1571 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1572 | if ( cur + 1 >= limit ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1573 | { |
| 1574 | error = T1_Err_Invalid_File_Format; |
| 1575 | goto Fail; |
| 1576 | } |
| 1577 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1578 | cur++; /* skip `/' */ |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1579 | len = parser->root.cursor - cur; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1580 | |
Werner Lemberg | 5972e9a | 2004-02-01 00:49:56 +0000 | [diff] [blame] | 1581 | if ( !read_binary_data( parser, &size, &base ) ) |
| 1582 | return; |
| 1583 | |
| 1584 | /* for some non-standard fonts like `Optima' which provides */ |
| 1585 | /* different outlines depending on the resolution it is */ |
| 1586 | /* possible to get here twice */ |
| 1587 | if ( loader->num_glyphs ) |
| 1588 | continue; |
| 1589 | |
Werner Lemberg | ed3a7d7 | 2003-10-07 20:06:35 +0000 | [diff] [blame] | 1590 | error = T1_Add_Table( name_table, n, cur, len + 1 ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1591 | if ( error ) |
| 1592 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1593 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1594 | /* add a trailing zero to the name table */ |
| 1595 | name_table->elements[n][len] = '\0'; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1596 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1597 | /* record index of /.notdef */ |
| 1598 | if ( *cur == '.' && |
| 1599 | ft_strcmp( ".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 1600 | (const char*)(name_table->elements[n]) ) == 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1601 | { |
| 1602 | notdef_index = n; |
| 1603 | notdef_found = 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1604 | } |
| 1605 | |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1606 | if ( face->type1.private_dict.lenIV >= 0 && |
| 1607 | n < num_glyphs + TABLE_EXTEND ) |
David Turner | d0079e6 | 2000-06-23 00:07:06 +0000 | [diff] [blame] | 1608 | { |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1609 | FT_Byte* temp; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 1610 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1611 | |
Werner Lemberg | ba03af6 | 2007-05-30 13:57:02 +0000 | [diff] [blame] | 1612 | if ( size <= face->type1.private_dict.lenIV ) |
| 1613 | { |
| 1614 | error = T1_Err_Invalid_File_Format; |
| 1615 | goto Fail; |
| 1616 | } |
| 1617 | |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1618 | /* t1_decrypt() shouldn't write to base -- make temporary copy */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1619 | if ( FT_ALLOC( temp, size ) ) |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1620 | goto Fail; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1621 | FT_MEM_COPY( temp, base, size ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1622 | psaux->t1_decrypt( temp, size, 4330 ); |
| 1623 | size -= face->type1.private_dict.lenIV; |
| 1624 | error = T1_Add_Table( code_table, n, |
| 1625 | temp + face->type1.private_dict.lenIV, size ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1626 | FT_FREE( temp ); |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 1627 | } |
| 1628 | else |
| 1629 | error = T1_Add_Table( code_table, n, base, size ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1630 | if ( error ) |
| 1631 | goto Fail; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1632 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1633 | n++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1634 | } |
| 1635 | } |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1636 | |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1637 | loader->num_glyphs = n; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1638 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 1639 | /* 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] | 1640 | if ( notdef_found && |
| 1641 | ft_strcmp( ".notdef", (const char*)name_table->elements[0] ) ) |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1642 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1643 | /* Swap glyph in index 0 with /.notdef glyph. First, add index 0 */ |
| 1644 | /* name and code entries to swap_table. Then place notdef_index */ |
| 1645 | /* name and code entries into swap_table. Then swap name and code */ |
| 1646 | /* entries at indices notdef_index and 0 using values stored in */ |
| 1647 | /* swap_table. */ |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1648 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1649 | /* Index 0 name */ |
| 1650 | error = T1_Add_Table( swap_table, 0, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1651 | name_table->elements[0], |
| 1652 | name_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1653 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1654 | goto Fail; |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1655 | |
| 1656 | /* Index 0 code */ |
| 1657 | error = T1_Add_Table( swap_table, 1, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1658 | code_table->elements[0], |
| 1659 | code_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1660 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1661 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1662 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1663 | /* Index notdef_index name */ |
| 1664 | error = T1_Add_Table( swap_table, 2, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1665 | name_table->elements[notdef_index], |
| 1666 | name_table->lengths [notdef_index] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1667 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1668 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1669 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1670 | /* Index notdef_index code */ |
| 1671 | error = T1_Add_Table( swap_table, 3, |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1672 | code_table->elements[notdef_index], |
| 1673 | code_table->lengths [notdef_index] ); |
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( name_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1678 | swap_table->elements[0], |
| 1679 | swap_table->lengths [0] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1680 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1681 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1682 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1683 | error = T1_Add_Table( code_table, notdef_index, |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1684 | swap_table->elements[1], |
| 1685 | swap_table->lengths [1] ); |
| 1686 | if ( error ) |
| 1687 | goto Fail; |
| 1688 | |
| 1689 | error = T1_Add_Table( name_table, 0, |
| 1690 | swap_table->elements[2], |
| 1691 | swap_table->lengths [2] ); |
| 1692 | if ( error ) |
| 1693 | goto Fail; |
| 1694 | |
| 1695 | error = T1_Add_Table( code_table, 0, |
| 1696 | swap_table->elements[3], |
| 1697 | swap_table->lengths [3] ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1698 | if ( error ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1699 | goto Fail; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1700 | |
| 1701 | } |
| 1702 | else if ( !notdef_found ) |
| 1703 | { |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 1704 | /* notdef_index is already 0, or /.notdef is undefined in */ |
| 1705 | /* charstrings dictionary. Worry about /.notdef undefined. */ |
| 1706 | /* We take index 0 and add it to the end of the table(s) */ |
| 1707 | /* and add our own /.notdef glyph to index 0. */ |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 1708 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1709 | /* 0 333 hsbw endchar */ |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1710 | FT_Byte notdef_glyph[] = { 0x8B, 0xF7, 0xE1, 0x0D, 0x0E }; |
Werner Lemberg | a13a473 | 2000-11-02 15:14:38 +0000 | [diff] [blame] | 1711 | char* notdef_name = (char *)".notdef"; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 1712 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1713 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1714 | error = T1_Add_Table( swap_table, 0, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1715 | name_table->elements[0], |
| 1716 | name_table->lengths [0] ); |
| 1717 | if ( error ) |
| 1718 | goto Fail; |
| 1719 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1720 | error = T1_Add_Table( swap_table, 1, |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1721 | code_table->elements[0], |
| 1722 | code_table->lengths [0] ); |
| 1723 | if ( error ) |
| 1724 | goto Fail; |
| 1725 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1726 | error = T1_Add_Table( name_table, 0, notdef_name, 8 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1727 | if ( error ) |
| 1728 | goto Fail; |
| 1729 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1730 | error = T1_Add_Table( code_table, 0, notdef_glyph, 5 ); |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1731 | |
| 1732 | if ( error ) |
| 1733 | goto Fail; |
| 1734 | |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 1735 | error = T1_Add_Table( name_table, n, |
| 1736 | swap_table->elements[0], |
| 1737 | swap_table->lengths [0] ); |
| 1738 | if ( error ) |
| 1739 | goto Fail; |
| 1740 | |
| 1741 | error = T1_Add_Table( code_table, n, |
| 1742 | swap_table->elements[1], |
| 1743 | swap_table->lengths [1] ); |
| 1744 | if ( error ) |
| 1745 | goto Fail; |
| 1746 | |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1747 | /* we added a glyph. */ |
Werner Lemberg | fa9d399 | 2008-10-08 16:04:46 +0000 | [diff] [blame] | 1748 | loader->num_glyphs += 1; |
Tom Kacvinsky | 4082200 | 2000-10-17 20:25:30 +0000 | [diff] [blame] | 1749 | } |
| 1750 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1751 | return; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1752 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1753 | Fail: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1754 | parser->root.error = error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1758 | /*************************************************************************/ |
| 1759 | /* */ |
| 1760 | /* Define the token field static variables. This is a set of */ |
| 1761 | /* T1_FieldRec variables. */ |
| 1762 | /* */ |
| 1763 | /*************************************************************************/ |
| 1764 | |
| 1765 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1766 | static |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1767 | const T1_FieldRec t1_keywords[] = |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1768 | { |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1769 | |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 1770 | #include "t1tokens.h" |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1771 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1772 | /* now add the special functions... */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1773 | T1_FIELD_CALLBACK( "FontMatrix", parse_font_matrix, |
| 1774 | T1_FIELD_DICT_FONTDICT ) |
| 1775 | T1_FIELD_CALLBACK( "Encoding", parse_encoding, |
| 1776 | T1_FIELD_DICT_FONTDICT ) |
| 1777 | T1_FIELD_CALLBACK( "Subrs", parse_subrs, |
| 1778 | T1_FIELD_DICT_PRIVATE ) |
| 1779 | T1_FIELD_CALLBACK( "CharStrings", parse_charstrings, |
| 1780 | T1_FIELD_DICT_PRIVATE ) |
| 1781 | T1_FIELD_CALLBACK( "Private", parse_private, |
| 1782 | T1_FIELD_DICT_FONTDICT ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1783 | |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 1784 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1785 | T1_FIELD_CALLBACK( "BlendDesignPositions", parse_blend_design_positions, |
| 1786 | T1_FIELD_DICT_FONTDICT ) |
| 1787 | T1_FIELD_CALLBACK( "BlendDesignMap", parse_blend_design_map, |
| 1788 | T1_FIELD_DICT_FONTDICT ) |
| 1789 | T1_FIELD_CALLBACK( "BlendAxisTypes", parse_blend_axis_types, |
| 1790 | T1_FIELD_DICT_FONTDICT ) |
| 1791 | T1_FIELD_CALLBACK( "WeightVector", parse_weight_vector, |
| 1792 | T1_FIELD_DICT_FONTDICT ) |
| 1793 | T1_FIELD_CALLBACK( "BuildCharArray", parse_buildchar, |
| 1794 | T1_FIELD_DICT_PRIVATE ) |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1795 | #endif |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1796 | |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1797 | { 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] | 1798 | }; |
| 1799 | |
| 1800 | |
Werner Lemberg | 64f1ba9 | 2003-07-25 22:09:53 +0000 | [diff] [blame] | 1801 | #define T1_FIELD_COUNT \ |
| 1802 | ( sizeof ( t1_keywords ) / sizeof ( t1_keywords[0] ) ) |
| 1803 | |
| 1804 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 1805 | static FT_Error |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 1806 | parse_dict( T1_Face face, |
| 1807 | T1_Loader loader, |
| 1808 | FT_Byte* base, |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1809 | FT_Long size ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1810 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1811 | T1_Parser parser = &loader->parser; |
Werner Lemberg | d1d2b45 | 2004-02-16 09:38:05 +0000 | [diff] [blame] | 1812 | FT_Byte *limit, *start_binary = NULL; |
Werner Lemberg | 0a84eba | 2004-02-05 14:36:43 +0000 | [diff] [blame] | 1813 | FT_Bool have_integer = 0; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1814 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1815 | |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1816 | parser->root.cursor = base; |
| 1817 | parser->root.limit = base + size; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1818 | parser->root.error = T1_Err_Ok; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1819 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1820 | limit = parser->root.limit; |
| 1821 | |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1822 | T1_Skip_Spaces( parser ); |
| 1823 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1824 | while ( parser->root.cursor < limit ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1825 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1826 | FT_Byte* cur; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1827 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 1828 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1829 | cur = parser->root.cursor; |
| 1830 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1831 | /* look for `eexec' */ |
| 1832 | if ( IS_PS_TOKEN( cur, limit, "eexec" ) ) |
Werner Lemberg | 63abb4b | 2003-12-22 11:35:36 +0000 | [diff] [blame] | 1833 | break; |
| 1834 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1835 | /* look for `closefile' which ends the eexec section */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1836 | else if ( IS_PS_TOKEN( cur, limit, "closefile" ) ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1837 | break; |
| 1838 | |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1839 | /* in a synthetic font the base font starts after a */ |
| 1840 | /* `FontDictionary' token that is placed after a Private dict */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1841 | else if ( IS_PS_TOKEN( cur, limit, "FontDirectory" ) ) |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1842 | { |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1843 | if ( loader->keywords_encountered & T1_PRIVATE ) |
| 1844 | loader->keywords_encountered |= |
| 1845 | T1_FONTDIR_AFTER_PRIVATE; |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1846 | parser->root.cursor += 13; |
| 1847 | } |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 1848 | |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1849 | /* check whether we have an integer */ |
| 1850 | else if ( ft_isdigit( *cur ) ) |
| 1851 | { |
| 1852 | start_binary = cur; |
| 1853 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1854 | if ( parser->root.error ) |
| 1855 | goto Exit; |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1856 | have_integer = 1; |
| 1857 | } |
| 1858 | |
| 1859 | /* in valid Type 1 fonts we don't see `RD' or `-|' directly */ |
| 1860 | /* since those tokens are handled by parse_subrs and */ |
| 1861 | /* parse_charstrings */ |
| 1862 | else if ( *cur == 'R' && cur + 6 < limit && *(cur + 1) == 'D' && |
| 1863 | have_integer ) |
| 1864 | { |
| 1865 | FT_Long s; |
| 1866 | FT_Byte* b; |
| 1867 | |
| 1868 | |
| 1869 | parser->root.cursor = start_binary; |
| 1870 | if ( !read_binary_data( parser, &s, &b ) ) |
| 1871 | return T1_Err_Invalid_File_Format; |
| 1872 | have_integer = 0; |
| 1873 | } |
| 1874 | |
| 1875 | else if ( *cur == '-' && cur + 6 < limit && *(cur + 1) == '|' && |
| 1876 | have_integer ) |
| 1877 | { |
| 1878 | FT_Long s; |
| 1879 | FT_Byte* b; |
| 1880 | |
| 1881 | |
| 1882 | parser->root.cursor = start_binary; |
| 1883 | if ( !read_binary_data( parser, &s, &b ) ) |
| 1884 | return T1_Err_Invalid_File_Format; |
| 1885 | have_integer = 0; |
| 1886 | } |
| 1887 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1888 | /* look for immediates */ |
| 1889 | else if ( *cur == '/' && cur + 2 < limit ) |
| 1890 | { |
| 1891 | FT_PtrDist len; |
| 1892 | |
| 1893 | |
| 1894 | cur++; |
| 1895 | |
| 1896 | parser->root.cursor = cur; |
| 1897 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 1d565fb | 2005-02-13 21:42:42 +0000 | [diff] [blame] | 1898 | if ( parser->root.error ) |
| 1899 | goto Exit; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1900 | |
| 1901 | len = parser->root.cursor - cur; |
| 1902 | |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1903 | if ( len > 0 && len < 22 && parser->root.cursor < limit ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1904 | { |
| 1905 | /* now compare the immediate name to the keyword table */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1906 | T1_Field keyword = (T1_Field)t1_keywords; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1907 | |
| 1908 | |
| 1909 | for (;;) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1910 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1911 | FT_Byte* name; |
| 1912 | |
| 1913 | |
| 1914 | name = (FT_Byte*)keyword->ident; |
| 1915 | if ( !name ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1916 | break; |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1917 | |
Werner Lemberg | 023a4bf | 2004-10-14 11:33:04 +0000 | [diff] [blame] | 1918 | if ( cur[0] == name[0] && |
| 1919 | len == (FT_PtrDist)ft_strlen( (const char *)name ) && |
| 1920 | ft_memcmp( cur, name, len ) == 0 ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1921 | { |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1922 | /* We found it -- run the parsing callback! */ |
| 1923 | /* We record every instance of every field */ |
| 1924 | /* (until we reach the base font of a */ |
| 1925 | /* synthetic font) to deal adequately with */ |
| 1926 | /* multiple master fonts; this is also */ |
| 1927 | /* necessary because later PostScript */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1928 | /* definitions override earlier ones. */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1929 | |
| 1930 | /* Once we encounter `FontDirectory' after */ |
| 1931 | /* `/Private', we know that this is a synthetic */ |
| 1932 | /* font; except for `/CharStrings' we are not */ |
| 1933 | /* interested in anything that follows this */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1934 | /* `FontDirectory'. */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1935 | |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1936 | /* MM fonts have more than one /Private token at */ |
| 1937 | /* the top level; let's hope that all the junk */ |
| 1938 | /* that follows the first /Private token is not */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1939 | /* interesting to us. */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1940 | |
| 1941 | /* According to Adobe Tech Note #5175 (CID-Keyed */ |
| 1942 | /* Font Installation for ATM Software) a `begin' */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1943 | /* must be followed by exactly one `end', and */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1944 | /* `begin' -- `end' pairs must be accurately */ |
Werner Lemberg | 6e87ed9 | 2007-01-26 22:18:56 +0000 | [diff] [blame] | 1945 | /* paired. We could use this to distinguish */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1946 | /* between the global Private and the Private */ |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1947 | /* dict that is a member of the Blend dict. */ |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1948 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1949 | const FT_UInt dict = |
| 1950 | ( loader->keywords_encountered & T1_PRIVATE ) |
| 1951 | ? T1_FIELD_DICT_PRIVATE |
| 1952 | : T1_FIELD_DICT_FONTDICT; |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1953 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1954 | if ( !( dict & keyword->dict ) ) |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1955 | { |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1956 | FT_TRACE1(( "parse_dict: found %s but ignoring it " |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1957 | "since it is in the wrong dictionary\n", |
| 1958 | keyword->ident )); |
| 1959 | break; |
| 1960 | } |
| 1961 | |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 1962 | if ( !( loader->keywords_encountered & |
| 1963 | T1_FONTDIR_AFTER_PRIVATE ) || |
Jens Claudius | 9950adc | 2006-08-13 12:14:36 +0000 | [diff] [blame] | 1964 | ft_strcmp( (const char*)name, "CharStrings" ) == 0 ) |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1965 | { |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1966 | parser->root.error = t1_load_keyword( face, |
| 1967 | loader, |
| 1968 | keyword ); |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 1969 | if ( parser->root.error != T1_Err_Ok ) |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1970 | { |
Werner Lemberg | dfa4619 | 2004-03-05 09:26:24 +0000 | [diff] [blame] | 1971 | if ( FT_ERROR_BASE( parser->root.error ) == FT_Err_Ignore ) |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1972 | parser->root.error = T1_Err_Ok; |
| 1973 | else |
| 1974 | return parser->root.error; |
| 1975 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1976 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1977 | break; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1978 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1979 | |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1980 | keyword++; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1981 | } |
| 1982 | } |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1983 | |
| 1984 | have_integer = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1985 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1986 | else |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1987 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 1988 | T1_Skip_PS_Token( parser ); |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1989 | if ( parser->root.error ) |
| 1990 | goto Exit; |
Werner Lemberg | 6b3d00e | 2004-02-03 21:34:29 +0000 | [diff] [blame] | 1991 | have_integer = 0; |
| 1992 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1993 | |
| 1994 | T1_Skip_Spaces( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1995 | } |
Werner Lemberg | 38c4647 | 2003-10-13 05:58:54 +0000 | [diff] [blame] | 1996 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 1997 | Exit: |
David Turner | a39acf5 | 2000-08-23 02:47:57 +0000 | [diff] [blame] | 1998 | return parser->root.error; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 1999 | } |
| 2000 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2001 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 2002 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2003 | t1_init_loader( T1_Loader loader, |
| 2004 | T1_Face face ) |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2005 | { |
| 2006 | FT_UNUSED( face ); |
| 2007 | |
Werner Lemberg | b3d5e9c | 2002-07-28 05:05:24 +0000 | [diff] [blame] | 2008 | FT_MEM_ZERO( loader, sizeof ( *loader ) ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2009 | loader->num_glyphs = 0; |
| 2010 | loader->num_chars = 0; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2011 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2012 | /* initialize the tables -- simply set their `init' field to 0 */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2013 | loader->encoding_table.init = 0; |
| 2014 | loader->charstrings.init = 0; |
| 2015 | loader->glyph_names.init = 0; |
| 2016 | loader->subrs.init = 0; |
| 2017 | loader->swap_table.init = 0; |
| 2018 | loader->fontdata = 0; |
| 2019 | loader->keywords_encountered = 0; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2020 | } |
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 | |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 2023 | static void |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2024 | t1_done_loader( T1_Loader loader ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2025 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2026 | T1_Parser parser = &loader->parser; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2027 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2028 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2029 | /* finalize tables */ |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 2030 | T1_Release_Table( &loader->encoding_table ); |
| 2031 | T1_Release_Table( &loader->charstrings ); |
| 2032 | T1_Release_Table( &loader->glyph_names ); |
Tom Kacvinsky | cad797e | 2001-04-10 18:15:17 +0000 | [diff] [blame] | 2033 | T1_Release_Table( &loader->swap_table ); |
Werner Lemberg | b5084e1 | 2000-10-28 17:10:06 +0000 | [diff] [blame] | 2034 | T1_Release_Table( &loader->subrs ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2035 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2036 | /* finalize parser */ |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 2037 | T1_Finalize_Parser( parser ); |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2038 | } |
| 2039 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2040 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2041 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4a2305c | 2001-06-28 07:17:51 +0000 | [diff] [blame] | 2042 | T1_Open_Face( T1_Face face ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2043 | { |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2044 | T1_LoaderRec loader; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2045 | T1_Parser parser; |
| 2046 | T1_Font type1 = &face->type1; |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2047 | PS_Private priv = &type1->private_dict; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2048 | FT_Error error; |
Werner Lemberg | e4b32a5 | 2000-10-31 20:42:18 +0000 | [diff] [blame] | 2049 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2050 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2051 | |
Werner Lemberg | 8728f29 | 2000-08-23 17:32:42 +0000 | [diff] [blame] | 2052 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2053 | t1_init_loader( &loader, face ); |
| 2054 | |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2055 | /* default values */ |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2056 | face->ndv_idx = -1; |
| 2057 | face->cdv_idx = -1; |
| 2058 | face->len_buildchar = 0; |
| 2059 | |
Werner Lemberg | 675431b | 2004-02-25 21:17:49 +0000 | [diff] [blame] | 2060 | priv->blue_shift = 7; |
| 2061 | priv->blue_fuzz = 1; |
| 2062 | priv->lenIV = 4; |
| 2063 | priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); |
| 2064 | priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); |
David Turner | 971517a | 2002-07-08 23:13:25 +0000 | [diff] [blame] | 2065 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2066 | parser = &loader.parser; |
Werner Lemberg | efa9961 | 2002-04-01 22:01:46 +0000 | [diff] [blame] | 2067 | error = T1_New_Parser( parser, |
| 2068 | face->root.stream, |
| 2069 | face->root.memory, |
| 2070 | psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2071 | if ( error ) |
| 2072 | goto Exit; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2073 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2074 | error = parse_dict( face, &loader, |
| 2075 | parser->base_dict, parser->base_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2076 | if ( error ) |
| 2077 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2078 | |
Werner Lemberg | 27695e5 | 2000-11-23 08:21:13 +0000 | [diff] [blame] | 2079 | error = T1_Get_Private_Dict( parser, psaux ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2080 | if ( error ) |
| 2081 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2082 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2083 | error = parse_dict( face, &loader, |
| 2084 | parser->private_dict, parser->private_len ); |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2085 | if ( error ) |
| 2086 | goto Exit; |
Werner Lemberg | c011f4c | 2006-06-26 09:40:00 +0000 | [diff] [blame] | 2087 | |
Werner Lemberg | 422d2a0 | 2006-02-27 18:25:22 +0000 | [diff] [blame] | 2088 | /* ensure even-ness of `num_blue_values' */ |
David Turner | c13e75f | 2006-02-27 13:14:42 +0000 | [diff] [blame] | 2089 | priv->num_blue_values &= ~1; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2090 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2091 | #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| 2092 | |
Werner Lemberg | 1a380e0 | 2006-07-14 18:28:08 +0000 | [diff] [blame] | 2093 | if ( face->blend && |
| 2094 | face->blend->num_default_design_vector != 0 && |
| 2095 | face->blend->num_default_design_vector != face->blend->num_axis ) |
| 2096 | { |
| 2097 | /* we don't use it currently so just warn, reset, and ignore */ |
| 2098 | FT_ERROR(( "T1_Open_Face(): /DesignVector contains %u entries " |
| 2099 | "while there are %u axes.\n", |
| 2100 | face->blend->num_default_design_vector, |
| 2101 | face->blend->num_axis )); |
| 2102 | |
| 2103 | face->blend->num_default_design_vector = 0; |
| 2104 | } |
| 2105 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2106 | /* the following can happen for MM instances; we then treat the */ |
| 2107 | /* font as a normal PS font */ |
| 2108 | if ( face->blend && |
| 2109 | ( !face->blend->num_designs || !face->blend->num_axis ) ) |
| 2110 | T1_Done_Blend( face ); |
| 2111 | |
| 2112 | /* another safety check */ |
| 2113 | if ( face->blend ) |
| 2114 | { |
| 2115 | FT_UInt i; |
| 2116 | |
| 2117 | |
| 2118 | for ( i = 0; i < face->blend->num_axis; i++ ) |
| 2119 | if ( !face->blend->design_map[i].num_points ) |
| 2120 | { |
| 2121 | T1_Done_Blend( face ); |
| 2122 | break; |
| 2123 | } |
| 2124 | } |
| 2125 | |
Werner Lemberg | a4d6a1c | 2006-07-19 09:54:56 +0000 | [diff] [blame] | 2126 | if ( face->blend ) |
| 2127 | { |
| 2128 | if ( face->len_buildchar > 0 ) |
| 2129 | { |
| 2130 | FT_Memory memory = face->root.memory; |
| 2131 | |
| 2132 | |
| 2133 | if ( FT_NEW_ARRAY( face->buildchar, face->len_buildchar ) ) |
| 2134 | { |
| 2135 | FT_ERROR(( "T1_Open_Face: cannot allocate BuildCharArray\n" )); |
| 2136 | face->len_buildchar = 0; |
| 2137 | goto Exit; |
| 2138 | } |
| 2139 | } |
| 2140 | } |
| 2141 | |
Werner Lemberg | 9586707 | 2004-02-12 08:33:20 +0000 | [diff] [blame] | 2142 | #endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ |
| 2143 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2144 | /* now, propagate the subrs, charstrings, and glyphnames tables */ |
| 2145 | /* to the Type1 data */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2146 | type1->num_glyphs = loader.num_glyphs; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2147 | |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 2148 | if ( loader.subrs.init ) |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2149 | { |
Tom Kacvinsky | b2d5fef | 2001-01-24 22:41:20 +0000 | [diff] [blame] | 2150 | loader.subrs.init = 0; |
| 2151 | type1->num_subrs = loader.num_subrs; |
| 2152 | type1->subrs_block = loader.subrs.block; |
| 2153 | type1->subrs = loader.subrs.elements; |
| 2154 | type1->subrs_len = loader.subrs.lengths; |
David Turner | 95bec28 | 2000-02-15 12:55:57 +0000 | [diff] [blame] | 2155 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2156 | |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2157 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 2158 | if ( !face->root.internal->incremental_interface ) |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2159 | #endif |
| 2160 | if ( !loader.charstrings.init ) |
| 2161 | { |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 2162 | FT_ERROR(( "T1_Open_Face: no `/CharStrings' array in face\n" )); |
Graham Asher | 733c255 | 2002-08-01 16:16:16 +0000 | [diff] [blame] | 2163 | error = T1_Err_Invalid_File_Format; |
| 2164 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2165 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2166 | loader.charstrings.init = 0; |
| 2167 | type1->charstrings_block = loader.charstrings.block; |
| 2168 | type1->charstrings = loader.charstrings.elements; |
| 2169 | type1->charstrings_len = loader.charstrings.lengths; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2170 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2171 | /* we copy the glyph names `block' and `elements' fields; */ |
| 2172 | /* the `lengths' field must be released later */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2173 | type1->glyph_names_block = loader.glyph_names.block; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 2174 | type1->glyph_names = (FT_String**)loader.glyph_names.elements; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2175 | loader.glyph_names.block = 0; |
| 2176 | loader.glyph_names.elements = 0; |
| 2177 | |
Werner Lemberg | bd889e5 | 2002-05-12 19:59:17 +0000 | [diff] [blame] | 2178 | /* we must now build type1.encoding when we have a custom array */ |
David Turner | 2964417 | 2002-02-28 18:59:37 +0000 | [diff] [blame] | 2179 | if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2180 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2181 | FT_Int charcode, idx, min_char, max_char; |
David Turner | f9b8dec | 2000-06-16 19:34:52 +0000 | [diff] [blame] | 2182 | FT_Byte* char_name; |
| 2183 | FT_Byte* glyph_name; |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2184 | |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2185 | |
| 2186 | /* OK, we do the following: for each element in the encoding */ |
| 2187 | /* table, look up the index of the glyph having the same name */ |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2188 | /* the index is then stored in type1.encoding.char_index, and */ |
Ed | 4afa9d7 | 2010-10-08 12:05:40 +0200 | [diff] [blame] | 2189 | /* the name to type1.encoding.char_name */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2190 | |
John Tytgat | 03e8b2f | 2009-09-01 08:10:24 +0200 | [diff] [blame] | 2191 | min_char = 0; |
| 2192 | max_char = 0; |
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 | charcode = 0; |
Tom Kacvinsky | 95ac657 | 2000-10-15 08:53:27 +0000 | [diff] [blame] | 2195 | for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2196 | { |
| 2197 | type1->encoding.char_index[charcode] = 0; |
Werner Lemberg | b1dd353 | 2000-07-31 22:51:00 +0000 | [diff] [blame] | 2198 | type1->encoding.char_name [charcode] = (char *)".notdef"; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2199 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2200 | char_name = loader.encoding_table.elements[charcode]; |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2201 | if ( char_name ) |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2202 | for ( idx = 0; idx < type1->num_glyphs; idx++ ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2203 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2204 | glyph_name = (FT_Byte*)type1->glyph_names[idx]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2205 | if ( ft_strcmp( (const char*)char_name, |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 2206 | (const char*)glyph_name ) == 0 ) |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2207 | { |
Werner Lemberg | 0d9165e | 2002-03-07 21:59:59 +0000 | [diff] [blame] | 2208 | type1->encoding.char_index[charcode] = (FT_UShort)idx; |
David Turner | 0dd3434 | 2000-02-02 12:20:53 +0000 | [diff] [blame] | 2209 | type1->encoding.char_name [charcode] = (char*)glyph_name; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2210 | |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2211 | /* Change min/max encoded char only if glyph name is */ |
| 2212 | /* not /.notdef */ |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2213 | if ( ft_strcmp( (const char*)".notdef", |
Werner Lemberg | 94ffae5 | 2002-04-14 00:54:32 +0000 | [diff] [blame] | 2214 | (const char*)glyph_name ) != 0 ) |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2215 | { |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 2216 | if ( charcode < min_char ) |
| 2217 | min_char = charcode; |
John Tytgat | 03e8b2f | 2009-09-01 08:10:24 +0200 | [diff] [blame] | 2218 | if ( charcode >= max_char ) |
| 2219 | max_char = charcode + 1; |
Werner Lemberg | 05f0ad0 | 2000-10-19 05:12:00 +0000 | [diff] [blame] | 2220 | } |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2221 | break; |
| 2222 | } |
| 2223 | } |
| 2224 | } |
Werner Lemberg | 52f911a | 2003-10-07 05:49:41 +0000 | [diff] [blame] | 2225 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2226 | type1->encoding.code_first = min_char; |
| 2227 | type1->encoding.code_last = max_char; |
| 2228 | type1->encoding.num_chars = loader.num_chars; |
Werner Lemberg | 556ad08 | 2002-01-28 13:34:52 +0000 | [diff] [blame] | 2229 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2230 | |
David Turner | 2dfb5ac | 2000-01-27 14:02:04 +0000 | [diff] [blame] | 2231 | Exit: |
| 2232 | t1_done_loader( &loader ); |
| 2233 | return error; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2234 | } |
Werner Lemberg | 681e8ee | 2000-07-09 00:48:37 +0000 | [diff] [blame] | 2235 | |
| 2236 | |
| 2237 | /* END */ |