Werner Lemberg | 57a6733 | 2016-12-21 06:52:23 +0100 | [diff] [blame^] | 1 | 2016-12-21 Werner Lemberg <wl@gnu.org> |
| 2 | |
| 3 | [base] Improve sanity check for Mac resources (#49888). |
| 4 | |
| 5 | * src/base/ftobjs.c (Mac_Read_sfnt_Resource): Abort if `rlen' is not |
| 6 | positive. |
| 7 | |
Werner Lemberg | 70704b3 | 2016-12-20 12:27:22 +0100 | [diff] [blame] | 8 | 2016-12-20 Werner Lemberg <wl@gnu.org> |
| 9 | |
Werner Lemberg | ded4bdb | 2016-12-20 23:26:38 +0100 | [diff] [blame] | 10 | [base] More sanity checks for Mac resources. |
| 11 | |
| 12 | We use |
| 13 | |
| 14 | https://github.com/kreativekorp/ksfl/wiki/Macintosh-Resource-File-Format |
| 15 | |
| 16 | and |
| 17 | |
| 18 | https://developer.apple.com/legacy/library/documentation/mac/pdf/MoreMacintoshToolbox.pdf#page=151 |
| 19 | |
| 20 | as references. |
| 21 | |
| 22 | * include/freetype/internal/ftrfork.h (FT_RFork_Ref): Use FT_Short |
| 23 | for `res_id'. |
| 24 | |
| 25 | * src/base/ftrfork.c (FT_Raccess_Get_HeaderInfo): Extract map length |
| 26 | and use it to improve sanity checks. |
| 27 | Follow the specification more closely;in particular, all data types |
| 28 | are signed, not unsigned. |
| 29 | (FT_Raccess_Get_DataOffsets): Follow the specification more closely; |
| 30 | in particular, all data types are signed, not unsigned. |
| 31 | Add some sanity checks. |
| 32 | |
| 33 | 2016-12-20 Werner Lemberg <wl@gnu.org> |
| 34 | |
Werner Lemberg | 70704b3 | 2016-12-20 12:27:22 +0100 | [diff] [blame] | 35 | [truetype] Improve logic for getting fast advance widths. |
| 36 | |
| 37 | * src/cff/cffdrivr.c (cff_get_advances), src/truetype/ttdriver.c |
| 38 | (tt_get_advances): Use `is_default_instance' for test; this gets |
| 39 | recomputed after changing blend coordinates. |
| 40 | |
Ben Wagner | cc576f8 | 2016-12-20 11:37:42 +0100 | [diff] [blame] | 41 | 2016-12-20 Ben Wagner <bungeman@google.com> |
| 42 | Werner Lemberg <wl@gnu.org> |
| 43 | |
Werner Lemberg | d678b37 | 2016-12-20 12:45:31 +0100 | [diff] [blame] | 44 | [truetype] Fix linear metrics of GX variation fonts (#49829). |
Ben Wagner | cc576f8 | 2016-12-20 11:37:42 +0100 | [diff] [blame] | 45 | |
| 46 | When asking for an unhinted non-default variations, |
| 47 | `linearVertAdvance' is currently the value from the `hmtx' table |
| 48 | instead of the actual value after applying the variation. `HVAR' |
| 49 | support fixes this, but fonts will exist without that table and will |
| 50 | need sane fallback. |
| 51 | |
Werner Lemberg | d678b37 | 2016-12-20 12:45:31 +0100 | [diff] [blame] | 52 | Problem also reported as |
Werner Lemberg | 59b0b3a | 2016-12-20 11:39:52 +0100 | [diff] [blame] | 53 | |
| 54 | https://bugs.chromium.org/p/skia/issues/detail?id=5917 |
| 55 | |
Ben Wagner | cc576f8 | 2016-12-20 11:37:42 +0100 | [diff] [blame] | 56 | * src/truetype/ttgload.c (TT_Process_Simple_Glyph, |
| 57 | load_truetype_glyph): Implement linear advance adjustments if `HVAR' |
| 58 | or `VVAR' tables are missing. |
| 59 | |
Werner Lemberg | a1e85f1 | 2016-12-20 10:52:26 +0100 | [diff] [blame] | 60 | 2016-12-20 Werner Lemberg <wl@gnu.org> |
| 61 | |
| 62 | [cff, truetype] Fast advance width retrieval for fonts with HVAR. |
| 63 | |
| 64 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 65 | |
| 66 | * src/base/ftadvanc.c (LOAD_ADVANCE_FAST_CHECK): Don't handle MM. |
| 67 | |
| 68 | * src/cff/cffdrivr.c: Include FT_SERVICE_METRICS_VARIATIONS_H. |
| 69 | (cff_get_advances): Test for HVAR and VVAR. |
| 70 | |
| 71 | * src/truetype/ttdriver.c (tt_get_advances): Test for HVAR and VVAR. |
| 72 | |
Werner Lemberg | 8f633a0 | 2016-12-18 06:42:31 +0100 | [diff] [blame] | 73 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 74 | |
Werner Lemberg | 5743df7 | 2016-12-18 21:01:03 +0100 | [diff] [blame] | 75 | [base] Fix invalid mac font recursion. |
| 76 | |
| 77 | Reported as |
| 78 | |
| 79 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=304 |
| 80 | |
| 81 | * src/base/ftobjs.c (FT_Open_Face): Code moved to... |
| 82 | (ft_open_face_internal): ... this function. |
| 83 | Add a parameter to control whether we try special Mac font handling |
| 84 | in case of failure. |
| 85 | (FT_Open_Face, FT_New_Face, FT_New_Memory_Face, |
| 86 | open_face_from_buffer): Use `ft_open_face_internal'. |
| 87 | |
| 88 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 89 | |
Werner Lemberg | ca3d401 | 2016-12-18 18:23:19 +0100 | [diff] [blame] | 90 | * src/cff/cffobjs.c (cff_face_init): Make named instances work. |
| 91 | |
| 92 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 93 | |
Werner Lemberg | a8652c5 | 2016-12-18 18:12:03 +0100 | [diff] [blame] | 94 | [truetype, cff] Extend `get_var_blend' function of MM service. |
| 95 | |
| 96 | In particular, we need access to named instance data. |
| 97 | |
| 98 | * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): |
| 99 | Add argument for `FT_MM_Var'. |
| 100 | |
| 101 | * src/cff/cffload.c (cff_get_var_blend): Updated. |
| 102 | * src/cff/cffload.h: Updated. |
| 103 | |
| 104 | * src/cff/cf2ft.c (cf2_getNormalizedVector): Updated. |
| 105 | |
| 106 | * src/truetype/ttgxvar.c (tt_get_var_blend): Updated. |
| 107 | Accept value `NULL' for arguments. |
| 108 | * src/truetype/ttgxvar.h: Updated. |
| 109 | |
| 110 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 111 | |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 112 | [sfnt] Handle `fvar' with zero axes as a non-MM font. |
| 113 | |
| 114 | This is better behaviour than exiting with an error. |
| 115 | |
| 116 | * include/freetype/internal/tttypes.h (TT_Face): Add `use_fvar' |
| 117 | field. |
| 118 | |
| 119 | * src/sfnt/sfobjs.c (sfnt_init_face): Compute `use_fvar', also |
| 120 | updating the validation code. |
| 121 | Use `use_fvar' to compute FT_FACE_FLAG_MULTIPLE_MASTERS. |
| 122 | |
| 123 | * src/truetype/ttgxvar.c (TT_Get_MM_Var): Remove `fvar' validation |
| 124 | code. |
| 125 | |
| 126 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 127 | |
Werner Lemberg | eb6d020 | 2016-12-18 09:29:58 +0100 | [diff] [blame] | 128 | Minor GX code shuffling. |
| 129 | |
| 130 | * include/freetype/internal/tttypes.h (TT_Face): Move |
| 131 | `is_default_instance' into TT_CONFIG_OPTION_GX_VAR_SUPPORT |
| 132 | block. |
| 133 | |
| 134 | * src/sfnt/sfobjs.c (sfnt_init_face): Updated. |
| 135 | * src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): New macro. |
| 136 | (TT_Load_Glyph): Use it. |
| 137 | |
| 138 | 2016-12-18 Werner Lemberg <wl@gnu.org> |
| 139 | |
Werner Lemberg | 8f633a0 | 2016-12-18 06:42:31 +0100 | [diff] [blame] | 140 | [cff] Better handling of non-CFF font formats. |
| 141 | |
| 142 | * src/cff/cffload.c (cff_font_load): Pure CFFs don't have a |
| 143 | signature, so return `FT_Err_Unknown_File_Format' more often. |
| 144 | |
Werner Lemberg | 50ff6c1 | 2016-12-17 07:44:46 +0100 | [diff] [blame] | 145 | 2016-12-17 Werner Lemberg <wl@gnu.org> |
| 146 | |
Werner Lemberg | 4cd6817 | 2016-12-17 22:52:50 +0100 | [diff] [blame] | 147 | * src/cff/cffload.c (cff_build_blend_vector): Remove redundant code. |
| 148 | |
| 149 | 2016-12-17 Werner Lemberg <wl@gnu.org> |
| 150 | |
Werner Lemberg | db17ceb | 2016-12-17 13:39:31 +0100 | [diff] [blame] | 151 | * src/truetype/ttobjs.c (tt_face_init): Simplify conditional code. |
| 152 | |
| 153 | 2016-12-17 Werner Lemberg <wl@gnu.org> |
| 154 | |
Werner Lemberg | 7c75b16 | 2016-12-17 13:28:24 +0100 | [diff] [blame] | 155 | [sfnt, truetype] Various sanitizing fixes. |
| 156 | |
| 157 | * src/sfnt/sfobjs.c (sfnt_init_face): If the axis count in `fvar' is |
| 158 | zero, set `num_instances' to zero. |
| 159 | |
| 160 | * src/truetype/ttgxvar.c (TT_Get_MM_Var): Handle `fvar' table with |
| 161 | zero axes as invalid. |
| 162 | |
| 163 | * src/truetype/ttobjs.c (tt_face_init): Improve logic of loading |
| 164 | `loca', `cvt', `fpgm', and `prep' table. |
| 165 | |
| 166 | 2016-12-17 Werner Lemberg <wl@gnu.org> |
| 167 | |
Werner Lemberg | 3b125e9 | 2016-12-17 10:02:19 +0100 | [diff] [blame] | 168 | Improve tracing of `FT_Open_Face'. |
| 169 | |
| 170 | * src/base/ftobjs.c (FT_Open_Face): Return info on number of |
| 171 | available faces and numbered instances, or the indices of the |
| 172 | requested face and numbered instance. |
| 173 | |
| 174 | * src/sfnt/sfobjs. (sfnt_open_font): Trace number of subfonts. |
| 175 | |
| 176 | 2016-12-17 Werner Lemberg <wl@gnu.org> |
| 177 | |
Werner Lemberg | 50ff6c1 | 2016-12-17 07:44:46 +0100 | [diff] [blame] | 178 | * src/cff/cffload.c (cff_load_private_dict): Always init `blend'. |
| 179 | |
| 180 | Reported as |
| 181 | |
| 182 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=295 |
| 183 | |
Werner Lemberg | beecf80 | 2016-12-16 08:52:03 +0100 | [diff] [blame] | 184 | 2016-12-16 Werner Lemberg <wl@gnu.org> |
| 185 | |
Werner Lemberg | df2cf43 | 2016-12-16 11:38:20 +0100 | [diff] [blame] | 186 | [truetype] Fix `cvar' sanity test. |
| 187 | |
| 188 | Reported by Dave Arnold. |
| 189 | |
| 190 | * src/truetype/ttgxvar.c (tt_face_vary_cvt): Use tuple count mask. |
| 191 | |
| 192 | 2016-12-16 Werner Lemberg <wl@gnu.org> |
| 193 | |
Werner Lemberg | 6862024 | 2016-12-16 11:15:17 +0100 | [diff] [blame] | 194 | [cff, truetype] Remove compiler warnings; fix `make multi'. |
| 195 | |
| 196 | * src/cff/cf2font.h: Include `cffload.h'. |
| 197 | |
| 198 | * src/cff/cffload.c: Include FT_MULTIPLE_MASTERS_H and |
| 199 | FT_SERVICE_MULTIPLE_MASTERS_H. |
| 200 | (cff_vstore_load): Eliminate `vsSize'. |
| 201 | (cff_load_private_dict): Tag as `FT_LOCAL_DEF'. |
| 202 | |
| 203 | * src/cff/cffload.h: Include `cffobjs.h'. |
| 204 | Provide declaration for `cff_load_private_dict'. |
| 205 | |
| 206 | * src/truetype/ttgxvar.c (ft_var_load_hvar): Eliminate |
| 207 | `minorVersion' and `map_offset'. |
| 208 | |
| 209 | 2016-12-16 Werner Lemberg <wl@gnu.org> |
| 210 | |
Werner Lemberg | beecf80 | 2016-12-16 08:52:03 +0100 | [diff] [blame] | 211 | [cff] Fix heap buffer overflow (#49858). |
| 212 | |
| 213 | * src/cff/cffparse.c (cff_parser_run): Add one more stack size |
| 214 | check. |
| 215 | |
Werner Lemberg | 01658be | 2016-12-15 23:10:59 +0100 | [diff] [blame] | 216 | 2016-12-15 Werner Lemberg <wl@gnu.org> |
| 217 | |
| 218 | Fix clang warnings. |
| 219 | |
| 220 | * src/cff/cffload.c (cff_blend_doBlend): Add cast. |
| 221 | (cff_subfont_load): Set `error' correctly. |
| 222 | |
| 223 | * src/sfnt/ttmtx.c (tt_face_get_metrics): Typo. |
| 224 | |
Dave Arnold | 9f62d2c | 2016-12-15 20:27:47 +0100 | [diff] [blame] | 225 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
| 226 | Werner Lemberg <wl@gnu.org> |
| 227 | |
Dave Arnold | edf4014 | 2016-12-15 21:56:44 +0100 | [diff] [blame] | 228 | [cff] Implement CFF2 support (2/2). |
| 229 | |
| 230 | The font variation code. All parts dependent on the GX code in the |
| 231 | `truetype' module are guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 232 | In other words, you can still compile the `cff' module without |
| 233 | defining TT_CONFIG_OPTION_GX_VAR_SUPPORT (which brings you CFF2 |
| 234 | support without font variation). |
| 235 | |
| 236 | * src/cff/cf2font.c (cf2_font_setup): Add support for font |
| 237 | variation. |
| 238 | * src/cff/cf2font.h (CF2_Font): Add fields for variation data. |
| 239 | |
| 240 | * src/cff/cf2ft.c (cf2_free_instance): Free blend data. |
| 241 | (cf2_getVStore, cf2_getNormalizedVector): New functions. |
| 242 | * src/cff/cf2ft.h: Updated. |
| 243 | |
| 244 | * src/cff/cf2intrp.c: Include `cffload.h'. |
| 245 | (cf2_cmdRESERVED_15, cf2_cmdRESERVED_16): Replace with... |
| 246 | (cf2_cmdVSINDEX, cf2_cmdBLEND): ... this new enum values. |
| 247 | (cf2_doBlend): New function. |
| 248 | (cf2_interpT2CharString): Handle `vsindex' and `blend' opcodes. |
| 249 | |
| 250 | * src/cff/cffload.c (FT_fdot14ToFixed): New macro. |
| 251 | (cff_vstore_done, cff_vstore_load): New functions. |
| 252 | (cff_blend_clear, cff_blend_doBlend, cff_blend_build_vector, |
| 253 | cff_blend_check_vector): New functions. |
| 254 | (cff_load_private_dict): Add arguments for blend vector. |
| 255 | Handle blend data. |
| 256 | (cff_subfont_load, cff_subfont_done): Updated. |
| 257 | (cff_font_load): Handle CFF2 variation store data. |
| 258 | (cff_font_done): Updated. |
| 259 | * src/cff/cffload.h: Include `cffparse.h'. |
| 260 | Updated. |
| 261 | |
| 262 | * src/cff/cffobjs.c (cff_face_done): Updated. |
| 263 | |
| 264 | * src/cff/cffparse.c: Include `cffload.h'. |
| 265 | (cff_parse_num): Handle internal value 255. |
| 266 | (cff_parse_vsindex, cff_parse_blend): New functions. |
| 267 | (CFF_FIELD_BLEND): New macro. |
| 268 | (cff_parser_run): Updated. |
| 269 | * src/cff/cffparse.h (cff_kind_blend): New enum value. |
| 270 | |
| 271 | * src/cff/cfftoken.h: Handle `vstore', `vsindex', and `blend' |
| 272 | dictionary values. |
| 273 | |
| 274 | * src/cff/cfftypes.h (CFF_VarData, CFF_AxisCoords, CFF_VarRegion, |
| 275 | CFF_VStore, CFF_Blend): New structures. |
| 276 | (CFF_FontRecDict): Add `vstore_offset' field. |
| 277 | (CFF_Private): Add `vsindex' field. |
| 278 | (CFF_SubFont): Add fields for blend data. |
| 279 | (CFF_Font): Add `vstore' field. |
| 280 | |
| 281 | * src/truetype/ttgxvar.c (TT_Get_MM_Var): `CFF2' is equal to `gvar', |
| 282 | since glyph variation data is directly embedded. |
| 283 | (TT_Set_MM_Blend): Don't load `gvar' table for CFF2 fonts. |
| 284 | |
| 285 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
| 286 | Werner Lemberg <wl@gnu.org> |
| 287 | |
Dave Arnold | 9f62d2c | 2016-12-15 20:27:47 +0100 | [diff] [blame] | 288 | [cff] Implement CFF2 support (1/2). |
| 289 | |
| 290 | This commit does not contain the blend code for font variation |
| 291 | support, which follows in another commit. |
| 292 | |
| 293 | You should ignore whitespace while inspecting this commit. |
| 294 | |
| 295 | * include/freetype/internal/tttypes.h (TT_Face): Add `isCFF2' |
| 296 | member. |
| 297 | |
| 298 | * src/cff/cf2font.h (CF2_Font): Add `isCFF2' member. |
| 299 | |
| 300 | * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Handle `isCFF2' |
| 301 | flag. |
| 302 | (cf2_getMaxstack): New function. |
| 303 | * src/cff/cf2ft.h: Updated. |
| 304 | |
| 305 | * src/cff/cf2intrp.c (cf2_escRESERVED_38): New enum. |
| 306 | (cf2_interpT2CharString): Handle CFF2 differences. |
| 307 | Add tracing message for errors. |
| 308 | |
| 309 | * src/cff/cffdrivr.c (cff_get_glyph_name, cff_get_name_index): |
| 310 | Update for CFF2. |
| 311 | |
| 312 | * src/cff/cffload.c (FT_FIXED_ONE): New macro. |
| 313 | (cff_index_init, cff_index_load_offsets, cff_index_access_element, |
| 314 | cff_index_get_name, cff_ft_select_get, cff_load_private_dict, |
| 315 | cff_subfont_load, cff_font_load): Handle CFF2. |
| 316 | * src/cff/cffload.h: Updated. |
| 317 | |
| 318 | * src/cff/cffobjs.c (cff_face_init): Handle CFF2. |
| 319 | |
| 320 | * src/cff/cffparse.c (cff_parse_maxstack): New function. |
| 321 | (CFFCODE_TOPDICT, CFFCODE_PRIVATE): Removed |
| 322 | * src/cff/cffparse.h (CFF2_MAX_STACK, CFF2_DEFAULT_STACK): New |
| 323 | macros. |
| 324 | (CFF2_CODE_TOPDICT, CFF2_CODE_FONTDICT, CFF2_CODE_PRIVATE): New |
| 325 | macros. |
| 326 | |
| 327 | * src/cff/cfftoken.h: Add fields for CFF2 dictionaries (but no blend |
| 328 | stuff). |
| 329 | |
| 330 | * src/cff/cfftypes.h (CFF_Index): Add `hdr_size' field. |
| 331 | (CFF_FontRecDict): Add `maxstack' field. |
| 332 | (CFF_Private): Add `subfont' field. |
| 333 | (CFF_Font): Add `top_dict_length' and `cff2' fields. |
| 334 | |
| 335 | * src/sfnt/sfobjs.c (sfnt_load_face): Handle `CFF2' table. |
| 336 | |
Werner Lemberg | 3bd79cc | 2016-12-15 14:34:57 +0100 | [diff] [blame] | 337 | 2016-12-15 Werner Lemberg <wl@gnu.org> |
| 338 | Dave Arnold <darnold@adobe.com> |
| 339 | |
| 340 | [truetype] Provide HVAR advance width variation as a service. |
| 341 | |
| 342 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 343 | |
| 344 | * src/truetype/ttdriver.c (tt_service_metrics_variations): Updated. |
| 345 | |
| 346 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Prevent |
| 347 | double adjustment of advance width. |
| 348 | |
| 349 | * src/sfnt/ttmtx.c: Include FT_SERVICE_METRICS_VARIATIONS_H. |
| 350 | (tt_face_get_metrics): Apply metrics variations. |
| 351 | |
Dave Arnold | 41533b9 | 2016-12-15 00:00:45 +0100 | [diff] [blame] | 352 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
Dave Arnold | 097cd87 | 2016-12-15 12:58:26 +0100 | [diff] [blame] | 353 | Werner Lemberg <wl@gnu.org> |
| 354 | |
Dave Arnold | aa0c4b4 | 2016-12-15 14:04:51 +0100 | [diff] [blame] | 355 | [truetype] Provide function to apply `HVAR' advance width variation. |
| 356 | |
Werner Lemberg | 3bd79cc | 2016-12-15 14:34:57 +0100 | [diff] [blame] | 357 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 358 | |
Dave Arnold | aa0c4b4 | 2016-12-15 14:04:51 +0100 | [diff] [blame] | 359 | * src/truetype/ttgxvar.c (tt_hadvance_adjust): New function. |
| 360 | * src/truetype/ttgxvar.h: Updated. |
| 361 | |
| 362 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
| 363 | Werner Lemberg <wl@gnu.org> |
| 364 | |
Dave Arnold | 097cd87 | 2016-12-15 12:58:26 +0100 | [diff] [blame] | 365 | [truetype] Add `HVAR' table parsing. |
| 366 | |
| 367 | Note that this is not complete yet; it only handles advance width |
| 368 | variation. |
| 369 | |
| 370 | Activation of the code follows in another commit. |
| 371 | |
Werner Lemberg | 3bd79cc | 2016-12-15 14:34:57 +0100 | [diff] [blame] | 372 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 373 | |
Dave Arnold | 097cd87 | 2016-12-15 12:58:26 +0100 | [diff] [blame] | 374 | * include/freetype/ftmm.h (FT_Var_Named_Style): Add `psid' member. |
| 375 | |
| 376 | * src/truetype/ttgxvar.h (GX_HVarData, GX_AxisCoords, GX_HVarRegion, |
| 377 | GX_HVStore, GX_WidthMap): New auxiliary structures for... |
| 378 | (GX_HVarTable): ... HVAR main structure. |
| 379 | (GX_BlendRec): Add data for HVAR loading. |
| 380 | |
| 381 | * src/truetype/ttgxvar.c (FT_FIXED_ONE, FT_fdot14ToFixed, |
| 382 | FT_intToFixed, FT_fixedToInt): New macros. |
| 383 | (ft_var_load_hvar): New function. |
| 384 | (TT_Get_MM_Var): Updated. |
| 385 | (tt_done_blend): Deallocate HVAR data. |
| 386 | |
| 387 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
Dave Arnold | 010e061 | 2016-12-15 11:22:15 +0100 | [diff] [blame] | 388 | |
Dave Arnold | abd5858 | 2016-12-15 12:17:22 +0100 | [diff] [blame] | 389 | [cff] Extend number parsing. |
| 390 | |
| 391 | The forthcoming CFF2 support needs a dynamic parsing limit. |
| 392 | |
| 393 | * src/cff/cffparse.c (cff_parse_num, do_fixed, cff_parse_fixed, |
| 394 | cff_parse_fixed_scaled, cff_parse_fixed_dynamic): Add argument for |
| 395 | parser. |
| 396 | (cff_parse_font_matrix, cff_parse_font_bbox, cff_parse_private_dict, |
| 397 | cff_parse_multiple_master, cff_parse_cid_ros, cff_parser_run): Updated. |
| 398 | |
| 399 | * src/cff/cffparse.h (cff_parse_num): Export locally. |
| 400 | |
| 401 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
| 402 | |
Dave Arnold | 010e061 | 2016-12-15 11:22:15 +0100 | [diff] [blame] | 403 | [cff] Implement dynamic stack size for Adobe engine. |
| 404 | |
| 405 | This also adds `cf2_stack_setReal' and `cf2_stack_pop', needed for |
| 406 | the forthcoming CFF2 support. |
| 407 | |
| 408 | * src/cff/cf2stack.c (cf2_stack_init): Add argument for stack size. |
| 409 | (cf2_stack_free): Deallocate stack. |
| 410 | (cf2_stack_count, cf2_stack_pushInt, cf2_stack_pushFixed, |
| 411 | cf2_stack_popInt, cf2_stack_popFixed, cf2_stack_getReal, |
| 412 | cf2_stack_clear): Updated. |
| 413 | (cf2_stack_setReal, cf2_stack_pop): New functions. |
| 414 | |
| 415 | * src/cff/cf2stack.h (CF2_Stack): Add `stackSize' member. |
| 416 | Update function declarations. |
| 417 | |
| 418 | * src/cff/cf2intrp.c (cf2_interpT2CharString): Updated. |
| 419 | |
| 420 | * src/cff/cffparse.c (cff_parser_init): Add parameter for stack |
| 421 | size; return error code. |
| 422 | (cff_parser_done): New function. |
| 423 | (cff_parser_run): Updated. |
| 424 | |
| 425 | * src/cff/cffparse.h (CFF_Parser): Add `stackSize' member and make |
| 426 | `stack' a pointer. |
| 427 | Update function declarations. |
| 428 | |
| 429 | * src/cff/cffload.c (cff_load_private_dict, cff_subfont_load): |
| 430 | Updated. |
| 431 | |
| 432 | 2016-12-15 Dave Arnold <darnold@adobe.com> |
Dave Arnold | 41533b9 | 2016-12-15 00:00:45 +0100 | [diff] [blame] | 433 | Werner Lemberg <wl@gnu.org> |
| 434 | |
| 435 | [cff] Code shuffling. |
| 436 | |
| 437 | * src/cff/cfftypes.h (CFF_Font): Add `library' and `base_offset' |
| 438 | fields. |
| 439 | |
| 440 | * src/cff/cffload.c (cff_subfont_load): Change last argument to |
| 441 | `CFF_Font' |
| 442 | Split off parsing of private dictionary into... |
| 443 | (cff_load_private_dict): ...this new function. |
| 444 | (cff_font_load): Updated. |
| 445 | |
Werner Lemberg | ab22b43 | 2016-12-14 18:34:55 +0100 | [diff] [blame] | 446 | 2016-12-14 Werner Lemberg <wl@gnu.org> |
| 447 | |
Werner Lemberg | 0918325 | 2016-12-14 20:44:11 +0100 | [diff] [blame] | 448 | [sfnt, truetype] Add framework for Metrics Variations service. |
| 449 | |
| 450 | No effect yet; service functions will be implemented later on. |
| 451 | |
| 452 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 453 | |
| 454 | * include/freetype/internal/services/svmetric.h: New file. |
| 455 | |
| 456 | * include/freetype/internal/ftserv.h |
| 457 | (FT_SERVICE_METRICS_VARIATIONS_H): New macro. |
| 458 | |
| 459 | * include/freetype/internal/tttypes.h (TT_Face): New field `var'. |
| 460 | |
| 461 | * src/sfnt/sfobjs.c: Include FT_SERVICE_METRICS_VARIATIONS_H. |
| 462 | (sfnt_init_face): Initialize `face->var'. |
| 463 | |
| 464 | * src/truetype/ttdriver.c: Include FT_SERVICE_METRICS_VARIATIONS_H. |
| 465 | (tt_service_metrics_variations): New service. |
| 466 | (tt_services): Updated. |
| 467 | |
| 468 | * src/truetype/ttpic.h: Updated. |
| 469 | |
| 470 | 2016-12-14 Werner Lemberg <wl@gnu.org> |
| 471 | |
Werner Lemberg | c628a7d | 2016-12-14 19:31:42 +0100 | [diff] [blame] | 472 | [cff] Add Multiple Masters service. |
| 473 | |
| 474 | The code simply uses the MM functions from the `truetype' module. |
| 475 | |
| 476 | Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. |
| 477 | |
| 478 | * include/freetype/internal/tttypes.h (TT_Face): New field `mm'. |
| 479 | |
| 480 | * src/cff/cffdrivr.c: Include FT_SERVICE_MULTIPLE_MASTERS_H. |
| 481 | (cff_set_mm_blend, cff_get_mm_blend, cff_get_mm_var, |
| 482 | cff_set_var_design, cff_get_var_design): New functions. |
| 483 | (cff_service_multi_masters): New service. |
| 484 | (cff_services): Updated. |
| 485 | |
| 486 | * src/cff/cffload.c (cff_get_var_blend, cff_done_blend): New |
| 487 | functions. |
| 488 | * src/cff/cffload.h: Updated. |
| 489 | |
| 490 | * src/cff/cffpic.h (CFF_SERVICE_MULTI_MASTERS_GET): New macro. |
| 491 | |
| 492 | * src/sfnt/sfobjs.c: Include FT_SERVICE_MULTIPLE_MASTERS_H. |
| 493 | (sfnt_init_face): Initialize `face->mm'. |
| 494 | |
| 495 | 2016-12-14 Werner Lemberg <wl@gnu.org> |
| 496 | |
Werner Lemberg | a7dc0c3 | 2016-12-14 18:54:21 +0100 | [diff] [blame] | 497 | Extend functionality of `ft_module_get_service'. |
| 498 | |
| 499 | It can now differentiate between local and global searches. |
| 500 | |
| 501 | * src/base/ftobjs.c (ft_module_get_service): Add `global' argument. |
| 502 | (FT_Get_TrueType_Engine_Type): Updated. |
| 503 | |
| 504 | * src/cff/cffdrivr.c (cff_get_ps_name, cff_get_cmap_info): Updated. |
| 505 | |
| 506 | * include/freetype/internal/ftobjs.h: Updated. |
| 507 | * include/freetype/internal/ftserv.h (FT_FACE_FIND_GLOBAL_SERVICE): |
| 508 | Updated. |
| 509 | |
| 510 | 2016-12-14 Werner Lemberg <wl@gnu.org> |
| 511 | |
Werner Lemberg | ab22b43 | 2016-12-14 18:34:55 +0100 | [diff] [blame] | 512 | * src/truetype/ttgxvar.c (tt_get_var_blend): Fix compiler warning. |
| 513 | |
Werner Lemberg | 4e07516 | 2016-12-14 18:25:44 +0100 | [diff] [blame] | 514 | 2016-12-14 Dave Arnold <darnold@adobe.com> |
| 515 | Werner Lemberg <wl@gnu.org> |
| 516 | |
| 517 | [sfnt, cff] Minor preparations. |
| 518 | |
| 519 | * include/freetype/tttags.h (TTAG_CFF2, TTAG_HVAR, TTAG_MVAR, |
| 520 | TTAG_VVAR): New SFNT table tags. |
| 521 | |
| 522 | * src/cff/cf2fixed.h (CF2_FIXED_ONE, CF2_FIXED_EPSILON): Add cast. |
| 523 | |
Werner Lemberg | 27bdb36 | 2016-12-10 09:56:03 +0100 | [diff] [blame] | 524 | 2016-12-10 Werner Lemberg <wl@gnu.org> |
| 525 | |
Werner Lemberg | 8b174b4 | 2016-12-11 09:16:52 +0100 | [diff] [blame] | 526 | [truetype, type1] Add `get_var_blend' to MM service. |
| 527 | |
| 528 | For internal use; we want to share code between the forthcoming CFF2 |
| 529 | support and TrueType. |
| 530 | |
| 531 | * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): |
| 532 | New typedef. |
| 533 | (MultiMasters): Add `get_var_blend'. |
| 534 | (FT_Service_MultiMasters): Updated. |
| 535 | |
| 536 | * src/truetype/ttgxvar.c (tt_get_var_blend): New function. |
| 537 | * src/truetype/ttgxvar.h: Updated. |
| 538 | |
| 539 | * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. |
| 540 | * src/type1/t1driver.c (t1_service_multi_masters): Updated. |
| 541 | |
| 542 | 2016-12-10 Werner Lemberg <wl@gnu.org> |
| 543 | |
Werner Lemberg | 27bdb36 | 2016-12-10 09:56:03 +0100 | [diff] [blame] | 544 | [truetype, type1] Add `done_blend' to MM service. |
| 545 | |
| 546 | For internal use; we want to share code between the forthcoming CFF2 |
| 547 | support and TrueType. |
| 548 | |
| 549 | * include/freetype/internal/services/svmm.h (FT_Done_Blend_Func): |
| 550 | New typedef. |
| 551 | (MultiMasters): Add `done_blend'. |
| 552 | (FT_Service_MultiMasters): Updated. |
| 553 | |
| 554 | * src/truetype/ttgxvar.c (tt_done_blend): Use `TT_Face' as argument. |
| 555 | * src/truetype/ttgxvar.h: Updated. |
| 556 | |
| 557 | * src/truetype/ttobjs.c (TT_Face_Done): Updated. |
| 558 | |
| 559 | * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. |
| 560 | * src/type1/t1driver.c (t1_service_multi_masters): Updated. |
| 561 | |
Werner Lemberg | 3205a44 | 2016-12-09 06:55:34 +0100 | [diff] [blame] | 562 | 2016-12-09 Werner Lemberg <wl@gnu.org> |
| 563 | |
| 564 | [sfnt] Revert change from 2016-12-08. |
| 565 | |
| 566 | I missed the functionality of `ft_module_get_service', which makes |
| 567 | the change unnecessary. |
| 568 | |
Werner Lemberg | 29aa957 | 2016-12-08 08:59:34 +0100 | [diff] [blame] | 569 | 2016-12-08 Werner Lemberg <wl@gnu.org> |
| 570 | |
Werner Lemberg | 4191b77 | 2016-12-08 22:33:46 +0100 | [diff] [blame] | 571 | Add framework to support services with 8 functions. |
| 572 | |
| 573 | We will need this for CFF variation font support. |
| 574 | |
| 575 | * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC8): |
| 576 | New macro. |
| 577 | |
| 578 | 2016-12-08 Werner Lemberg <wl@gnu.org> |
| 579 | |
Werner Lemberg | 29aa957 | 2016-12-08 08:59:34 +0100 | [diff] [blame] | 580 | [sfnt] Add `get_glyph_name' and `get_name_index' to SFNT interface. |
| 581 | |
| 582 | CFF2 fonts will need access to those two functions. |
| 583 | |
| 584 | * include/freetype/internal/sfnt.h: Include FT_SERVICE_GLYPH_DICT_H. |
| 585 | (SFNT_Interface): Add `get_glyph_name' and `get_name_index' members. |
| 586 | (FT_DEFINE_SFNT_INTERFACE): Updated. |
| 587 | |
| 588 | * src/sfnt/sfdriver.c (sfnt_get_glyph_name, sfnt_get_name_index): |
| 589 | Fix signatures to exactly correspond to the glyph dict service |
| 590 | function typedefs. |
| 591 | (sfnt_interface): Updated. |
| 592 | |
Dave Arnold | bcae657 | 2016-12-05 22:08:15 +0100 | [diff] [blame] | 593 | 2016-12-06 Dave Arnold <darnold@adobe.com> |
| 594 | |
| 595 | Add `FT_Get_Var_Design_Coordinates' function. |
| 596 | |
| 597 | Note that the low-level functions aren't implemented yet. |
| 598 | |
| 599 | * include/freetype/ftmm.h: Declare. |
| 600 | |
| 601 | * include/freetype/internal/services/svmm.h |
| 602 | (FT_Get_Var_Design_Func): New typedef. |
| 603 | (MultiMasters): New MM service function `get_var_design'. |
| 604 | (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. |
| 605 | Update all callers. |
| 606 | |
| 607 | * src/base/ftmm.c (FT_Get_Var_Design_Coordinates): Implement. |
| 608 | |
| 609 | * src/truetype/ttdriver.c: Updated. |
| 610 | |
| 611 | * src/truetype/ttgxvar.c (TT_Get_Var_Design): New dummy function to |
| 612 | handle `get_var_design' service. |
| 613 | * src/truetype/ttgxvar.h: Updated. |
| 614 | |
| 615 | * src/type1/t1driver.c: Updated. |
| 616 | |
| 617 | * src/type1/t1load.c (T1_Get_Var_Design): New dummp function to |
| 618 | handle `get_var_design' service. |
| 619 | * src/type1/t1load.h: Updated. |
| 620 | |
Werner Lemberg | c0fae7d | 2016-12-06 11:13:19 +0100 | [diff] [blame] | 621 | 2016-12-06 Werner Lemberg <wl@gnu.org> |
| 622 | |
| 623 | * src/type1/t1load.c (parse_subrs): Fix memory leak. |
| 624 | |
| 625 | The `subrs' keyword might erroneously occur multiple times. |
| 626 | |
| 627 | Reported as |
| 628 | |
| 629 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=231 |
| 630 | |
Werner Lemberg | 602be7c | 2016-12-01 11:36:37 +0100 | [diff] [blame] | 631 | 2016-12-01 Werner Lemberg <wl@gnu.org> |
| 632 | |
| 633 | [gzip] Improve building with external zlib (#49673). |
| 634 | |
| 635 | Building FreeType with external zlib 1.2.8 makes msvc 14 stop with |
| 636 | the following error. |
| 637 | |
| 638 | ftgzip.c |
| 639 | zlib-1.2.8\zlib.h(86): error C2061: |
| 640 | syntax error: identifier 'z_const' |
| 641 | zlib-1.2.8\zlib.h(94): error C2054: |
| 642 | expected '(' to follow 'z_const' |
| 643 | zlib-1.2.8\zlib.h(94): error C2085: |
| 644 | 'msg': not in formal parameter list |
| 645 | ... |
| 646 | zlib-1.2.8\zlib.h(877): fatal error C1003: |
| 647 | error count exceeds 100; stopping compilation |
| 648 | |
| 649 | The error happens because FreeType keeps an own copy of zlib-1.1.4 |
| 650 | under `src/gzip'. When building `src/gzip/ftgzip.c' with |
| 651 | FT_CONFIG_OPTION_SYSTEM_ZLIB defined, it uses |
| 652 | |
| 653 | #include <zlib.h> |
| 654 | |
| 655 | which correctly finds an external `zlib.h', but `zlib.h' itself has |
| 656 | a line |
| 657 | |
| 658 | #include "zconf.h" |
| 659 | |
| 660 | which makes Visual Studio 2015 find `src/gzip/zconf.h' while |
| 661 | compiling the files in `src/gzip'. |
| 662 | |
| 663 | * src/gzip/zconf.h: Rename to... |
| 664 | * src/gzip/ftzconf.h: ... this. |
| 665 | * src/gzip/zlib.h, src/gzip/rules.mk (GZIP_DRV_SRCS): Updated. |
| 666 | |
Oleksandr Chekhovskyi | 255828c | 2016-12-01 07:07:22 +0100 | [diff] [blame] | 667 | 2016-12-01 Oleksandr Chekhovskyi <oleksandr.chekhovskyi@gmail.com> |
| 668 | |
| 669 | [autofit] Fix Emscripten crash (patch #9180). |
| 670 | |
| 671 | Function calls through pointers must use a matching signature to |
| 672 | work on Emscripten, since such calls are dispatched through lookup |
| 673 | tables grouped by signature. |
| 674 | |
| 675 | * src/autofit/aftypes.h (AF_WritingSystem_ApplyHintsFunc): Fix |
| 676 | typedef. |
| 677 | |
Werner Lemberg | d949a3d | 2016-11-29 12:09:56 +0100 | [diff] [blame] | 678 | 2016-11-29 Werner Lemberg <wl@gnu.org> |
| 679 | |
Werner Lemberg | 1d28f69 | 2016-11-29 18:45:22 +0100 | [diff] [blame] | 680 | [smooth] Revert previous commit. Already fixed with 6ca54c64. |
| 681 | |
| 682 | 2016-11-29 Werner Lemberg <wl@gnu.org> |
| 683 | |
Werner Lemberg | d949a3d | 2016-11-29 12:09:56 +0100 | [diff] [blame] | 684 | [smooth] Avoid conditional jump on uninitialized value (#49711). |
| 685 | |
| 686 | * src/smooth/ftgrays.c (gray_raster_render): Initialize `worker'. |
| 687 | |
Nikolaus Waxweiler | b37b799 | 2016-11-27 16:30:53 +0100 | [diff] [blame] | 688 | 2016-11-27 Nikolaus Waxweiler <madigens@gmail.com> |
| 689 | |
| 690 | [autofit] Code shuffling. |
| 691 | |
| 692 | Also improve some comments and remove unused code. |
| 693 | |
| 694 | No functional change. |
| 695 | |
| 696 | * src/autofit/afloader.c (af_loader_load_g): Merged with... |
| 697 | (af_loader_load_glyph): ...this function. |
| 698 | Split off emboldening code into... |
| 699 | (af_loader_embolden_glyph_in_slot): ... this function. |
| 700 | |
Werner Lemberg | 7815050 | 2016-11-17 12:00:20 +0100 | [diff] [blame] | 701 | 2016-11-17 Werner Lemberg <wl@gnu.org> |
| 702 | |
| 703 | Better support of LLP64 systems with gcc (and clang). |
| 704 | |
| 705 | * builds/unix/configure.raw: Call `AC_TYPE_LONG_LONG_INT'. |
| 706 | |
| 707 | * builds/unix/ftconfig.in (FT_LONG64): Enable for LLP64 systems (and |
| 708 | suppress warnings) even without `FT_CONFIG_OPTION_FORCE_INT64'. |
| 709 | |
Werner Lemberg | dd26e3d | 2016-11-10 12:03:32 +0100 | [diff] [blame] | 710 | 2016-11-10 Werner Lemberg <wl@gnu.org> |
| 711 | |
| 712 | Fix `lcd_weights' array size. |
| 713 | |
| 714 | * include/freetype/internal/ftobjs.h (FT_LibraryRec): Do it. |
| 715 | |
| 716 | Reported by Nikolaus. |
| 717 | |
Werner Lemberg | 565db95 | 2016-11-06 12:33:51 +0100 | [diff] [blame] | 718 | 2016-11-06 Werner Lemberg <wl@gnu.org> |
| 719 | |
Werner Lemberg | e1ee547 | 2016-11-06 12:39:05 +0100 | [diff] [blame] | 720 | * src/base/ftobjs.c (FT_Render_Glyph_Internal): Fix tracing. |
| 721 | |
| 722 | 2016-11-06 Werner Lemberg <wl@gnu.org> |
| 723 | |
Werner Lemberg | 1c6fd99 | 2016-11-06 12:37:55 +0100 | [diff] [blame] | 724 | [sfnt] Improve FT_LOAD_BITMAP_METRICS_ONLY for `sbix' format. |
| 725 | |
| 726 | It's unavoidable to call the PNG engine, but to get the metrics it |
| 727 | is sufficient to read the PNG image's header only. |
| 728 | |
| 729 | * src/sfnt/pngshim.c (Load_SBit_Png): Add argument to control the |
| 730 | allocation of the glyph slot. |
| 731 | * src/sfnt/pngshim.h: Updated. |
| 732 | * src/sfnt/ttsbit.c (tt_sbit_decoder_load_png, |
| 733 | tt_face_load_sbix_image, tt_face_load_sbit_image): Updated. |
| 734 | |
| 735 | 2016-11-06 Werner Lemberg <wl@gnu.org> |
| 736 | |
Werner Lemberg | 565db95 | 2016-11-06 12:33:51 +0100 | [diff] [blame] | 737 | [sfnt] Speed up `sbix' lookup. |
| 738 | |
| 739 | This also fixes a bug introduced in 2016-10-01 which prevents |
| 740 | display of embedded bitmap fonts that use the `sbix' format. |
| 741 | |
| 742 | * src/sfnt/ttsbit.c (tt_face_load_sbit): Store `sbix' size and |
| 743 | offset also in `ebdt_size' and `ebdt_start', respectively. This |
| 744 | makes the test for an embedded bitmap data table succeed for this |
| 745 | format. |
| 746 | |
| 747 | (tt_face_load_strike_metrics) <TT_SBIT_TABLE_TYPE_SBIX>: Use |
| 748 | `ebdt_size' and `ebdt_start' |
| 749 | (tt_face_load_sbix_image): Ditto. |
| 750 | |
Werner Lemberg | 37e193e | 2016-11-06 12:32:51 +0100 | [diff] [blame] | 751 | 2016-11-06 Seigo Nonaka <nona@google.com> |
| 752 | Werner Lemberg <wl@gnu.org> |
| 753 | |
| 754 | Introduce a way of quickly retrieving (embedded) bitmap metrics. |
| 755 | |
| 756 | `FT_Load_Glyph' doesn't generate a bitmap for a non-bitmap glyph |
| 757 | until the user calls `FT_Render_Glyph'. However, it always |
| 758 | allocates memory for bitmaps and copies or decodes the contents of a |
| 759 | bitmap glyph, which can be quite slow for PNG data. |
| 760 | |
| 761 | * include/freetype/freetype.h (FT_LOAD_BITMAP_METRICS_ONLY): New |
| 762 | macro. |
| 763 | |
| 764 | * src/base/ftobjs.c (FT_Load_Glyph): Unset FT_LOAD_RENDER if |
| 765 | FT_LOAD_BITMAP_METRICS_ONLY is used. |
| 766 | |
| 767 | * src/sfnt/ttsbit.c (tt_sbit_decoder_alloc_bitmap, |
| 768 | tt_sbit_decoder_load_bitmap): Add argument to control allocation of |
| 769 | the glyph slot. |
| 770 | (tt_sbit_decoder_load_image, tt_sbit_decoder_load_compound, |
| 771 | tt_face_load_sbit_image): Updated. |
| 772 | |
| 773 | * src/pcf/pcfdrivr.c (PCF_Glyph_Load): Quickly exit if |
| 774 | `FT_LOAD_BITMAP_METRICS_ONLY' is set. |
| 775 | |
| 776 | * src/pfr/pfrsbit.c, src/pfr/pfrsbit.h (pfr_slot_load_bitmap): Add |
| 777 | argument to control allocation of the glyph slot. |
| 778 | * src/pfr/pfrobjs (pfr_slot_load): Updated. |
| 779 | |
| 780 | * src/winfonts/winfnt.c (FNT_Load_Glyph): Ditto. |
| 781 | |
| 782 | * docs/CHANGES: Updated. |
| 783 | |
| 784 | 2016-11-06 Werner Lemberg <wl@gnu.org> |
Werner Lemberg | 57f73d1 | 2016-11-06 06:06:30 +0100 | [diff] [blame] | 785 | |
| 786 | Synchronize with gnulib (#49448). |
| 787 | |
| 788 | * include/freetype/config/ftconfig.h, builds/unix/ftconfig.in, |
| 789 | builds/vms/ftconfig.h (FT_TYPEOF): Update code to use definition in |
| 790 | current version of `intprops.h'. |
| 791 | Other minor synchronization to reduce code differences between the |
| 792 | three files. |
| 793 | |
Behdad Esfahbod | b72858c | 2016-11-03 06:41:00 +0100 | [diff] [blame] | 794 | 2016-11-03 Behdad Esfahbod <behdad@behdad.org> |
| 795 | |
| 796 | [truetype] Clamp variation requests to valid range. |
| 797 | |
| 798 | This is required by OpenType 1.8; it also avoids rounding surprises. |
| 799 | |
| 800 | * src/truetype/ttgxvar.c (TT_Set_Var_Design): Clamp design coordinates |
| 801 | outside of the allowed range to always stay within the range instead |
| 802 | of producing an error. |
| 803 | |
Werner Lemberg | 328d684 | 2016-10-29 00:18:56 +0200 | [diff] [blame] | 804 | 2016-10-29 Werner Lemberg <wl@gnu.org> |
| 805 | |
| 806 | [truetype] Remove clang warnings. |
| 807 | |
| 808 | * src/truetype/ttinterp.h (TT_ExecContextRec): Using `FT_ULong' for |
| 809 | loop counter handling. |
| 810 | |
| 811 | * src/truetype/ttinterp.c: Updated. |
| 812 | (Ins_SCANTYPE): Use signed constant. |
| 813 | (TT_RunIns): Ensure `num_twilight_points' is 16bit. |
| 814 | |
Werner Lemberg | ddf3872 | 2016-10-27 07:27:27 +0200 | [diff] [blame] | 815 | 2016-10-27 Werner Lemberg <wl@gnu.org> |
| 816 | |
| 817 | [truetype] Fix commit from 2014-11-24. |
| 818 | |
| 819 | Problem reported by Hin-Tak Leung <htl10@users.sourceforge.net>. |
| 820 | |
| 821 | * src/truetype/ttpload.c (tt_face_load_hdmx): Fix file checking |
| 822 | logic. |
| 823 | |
Werner Lemberg | 5614090 | 2016-10-26 08:10:59 +0200 | [diff] [blame] | 824 | 2016-10-26 Werner Lemberg <wl@gnu.org> |
| 825 | |
Werner Lemberg | 9c45ac3 | 2016-10-26 16:00:00 +0200 | [diff] [blame] | 826 | Add `FT_Get_{MM,Var}_Blend_Coordinates' functions. |
| 827 | |
| 828 | * include/freetype/ftmm.h: Declare. |
| 829 | |
| 830 | * include/freetype/internal/services/svmm.h (FT_Get_MM_Blend_Func): |
| 831 | New typedef. |
| 832 | (MultiMasters): New MM service function `get_mm_blend'. |
| 833 | (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. |
| 834 | Update all callers. |
| 835 | |
| 836 | * src/base/ftmm.c (FT_Get_MM_Blend_Coordinates, |
| 837 | FT_Get_Var_Blend_Coordinates): Implement. |
| 838 | |
| 839 | * src/truetype/ttdriver.c: Updated. |
| 840 | |
| 841 | * src/truetype/ttgxvar.c (TT_Get_MM_Blend): New function to handle |
| 842 | `get_mm_blend' service. |
| 843 | * src/truetype/ttgxvar.h: Updated. |
| 844 | |
| 845 | * src/type1/t1driver.c: Updated. |
| 846 | |
| 847 | * src/type1/t1load.c (T1_Get_MM_Blend): New function to handle |
| 848 | `get_mm_blend' service. |
| 849 | * src/type1/t1load.h: Updated. |
| 850 | |
| 851 | * docs/CHANGES: Document. |
| 852 | |
| 853 | 2016-10-26 Werner Lemberg <wl@gnu.org> |
| 854 | |
Werner Lemberg | 5614090 | 2016-10-26 08:10:59 +0200 | [diff] [blame] | 855 | * src/type1/t1load.c (parse_subrs): Fix limit check. |
| 856 | |
| 857 | Reported as |
| 858 | |
| 859 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=81 |
| 860 | |
Alexei Podtelezhnikov | c5f1bc4 | 2016-10-25 22:31:42 -0400 | [diff] [blame] | 861 | 2016-10-25 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 862 | |
| 863 | [cff] Correct cmap format reporting (#24819). |
| 864 | |
| 865 | * src/cff/cffdrivr.c (cff_get_cmap_info): Throw an error on synthetic |
| 866 | charmap instead of guessing its format and language. |
| 867 | |
Werner Lemberg | 5774140 | 2016-10-22 18:34:48 +0200 | [diff] [blame] | 868 | 2016-10-22 Werner Lemberg <wl@gnu.org> |
| 869 | |
Werner Lemberg | 5081674 | 2016-10-22 19:16:08 +0200 | [diff] [blame] | 870 | [truetype] Fix SCANTYPE instruction (#49394). |
| 871 | |
| 872 | * src/truetype/ttinterp.c (Ins_SCANTYPE): Only use lower 16bits. |
| 873 | |
| 874 | 2016-10-22 Werner Lemberg <wl@gnu.org> |
| 875 | |
Werner Lemberg | 5774140 | 2016-10-22 18:34:48 +0200 | [diff] [blame] | 876 | [sfnt] Improve handling of invalid post 2.5 tables [#49393]. |
| 877 | |
| 878 | * src/sfnt/ttpost.c (load_format_25): We need at least a single |
| 879 | table entry. |
| 880 | |
Werner Lemberg | 7eeaf98 | 2016-10-14 08:58:17 +0200 | [diff] [blame] | 881 | 2016-10-14 Werner Lemberg <wl@gnu.org> |
| 882 | |
| 883 | [truetype] Fix handling of `cvar' table data. |
| 884 | |
| 885 | Reported as |
| 886 | |
| 887 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53 |
| 888 | |
| 889 | * src/truetype/ttgxvar.c (tt_face_vary_cvt): Ignore invalid CVT |
| 890 | indices. |
| 891 | |
Werner Lemberg | 9228122 | 2016-10-11 07:12:12 +0200 | [diff] [blame] | 892 | 2016-10-11 Werner Lemberg <wl@gnu.org> |
| 893 | |
Werner Lemberg | 9c54d12 | 2016-10-11 08:57:55 +0200 | [diff] [blame] | 894 | [psaux] Fix handling of invalid flex subrs. |
| 895 | |
| 896 | Problem reported as |
| 897 | |
| 898 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52 |
| 899 | |
| 900 | * src/psaux/t1decode.c (t1_decoder_parse_charstrings) |
| 901 | <op_callothersubr>: Set `flex_state' after error checking. |
| 902 | |
| 903 | 2016-10-11 Werner Lemberg <wl@gnu.org> |
| 904 | |
Werner Lemberg | 9228122 | 2016-10-11 07:12:12 +0200 | [diff] [blame] | 905 | * src/truetype/ttgxvar.c (tt_done_blend): Fix deallocation. |
| 906 | |
Werner Lemberg | d61b042 | 2016-10-08 19:20:33 +0200 | [diff] [blame] | 907 | 2016-10-08 Werner Lemberg <wl@gnu.org> |
| 908 | |
Werner Lemberg | 6b35493 | 2016-10-08 20:26:59 +0200 | [diff] [blame] | 909 | * src/cid/cidload.c (cid_face_open): Properly propagate `error'. |
| 910 | |
| 911 | 2016-10-08 Werner Lemberg <wl@gnu.org> |
| 912 | |
Werner Lemberg | d61b042 | 2016-10-08 19:20:33 +0200 | [diff] [blame] | 913 | [cid] Fix parsing of subr offsets. |
| 914 | |
| 915 | Bug introduced 2016-05-16. |
| 916 | |
| 917 | * src/cid/cidparse.c (cid_parser_new): Fix off-by-one error. |
| 918 | |
Werner Lemberg | fcc0ee8 | 2016-10-01 20:12:25 +0200 | [diff] [blame] | 919 | 2016-10-01 Werner Lemberg <wl@gnu.org> |
| 920 | |
| 921 | [sfnt] Disable bitmap strikes if we don't have a bitmap data table. |
| 922 | |
| 923 | * src/sfnt/ttsbit.c (tt_face_load_sbit): Check whether we have |
| 924 | a bitmap data table. |
| 925 | |
Alexei Podtelezhnikov | b0aacff | 2016-10-01 12:55:33 -0400 | [diff] [blame] | 926 | 2016-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 927 | |
| 928 | [smooth] Remove impossibility. |
| 929 | |
| 930 | * src/smooth/ftgrays.c (TWorker): Rearrange fields. |
| 931 | (gray_convert_glyph): Remove impossible condition and clean up. |
| 932 | |
Werner Lemberg | bf90239 | 2016-09-29 13:04:46 +0200 | [diff] [blame] | 933 | 2016-09-29 Werner Lemberg <wl@gnu.org> |
| 934 | |
Werner Lemberg | 3576487 | 2016-09-30 08:11:52 +0200 | [diff] [blame] | 935 | [pcf] Enrich family name with foundry name and glyph width info. |
| 936 | |
| 937 | This is a very old patch from openSuSE (from 2006, submitted to |
| 938 | FreeType in 2011) that I forgot to apply. |
| 939 | |
| 940 | https://build.opensuse.org/package/view_file/openSUSE:Factory/freetype2/freetype2-bitmap-foundry.patch |
| 941 | |
| 942 | Prepend the foundry name plus a space to the family name. There are |
| 943 | many fonts just called `Fixed' which look completely different, and |
| 944 | which have nothing to do with each other. When selecting `Fixed' in |
| 945 | KDE or Gnome one gets results that appear rather random, the style |
| 946 | changes often if one changes the size and one cannot select some |
| 947 | fonts at all. |
| 948 | |
| 949 | We also check whether we have `wide' characters; all put together, |
| 950 | we get family names like `Sony Fixed' or `Misc Fixed Wide'. |
| 951 | |
| 952 | * src/pcf/pcfread.c (pcf_load_font): Implement it. |
| 953 | |
| 954 | * docs/CHANGES: Document it. |
| 955 | |
| 956 | 2016-09-29 Werner Lemberg <wl@gnu.org> |
| 957 | |
Werner Lemberg | 71b617d | 2016-09-29 19:53:39 +0200 | [diff] [blame] | 958 | [ftfuzzer] Speed up. |
| 959 | |
| 960 | * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Don't |
| 961 | check for embedded bitmaps if we have a non-default instance. |
| 962 | |
| 963 | 2016-09-29 Werner Lemberg <wl@gnu.org> |
| 964 | |
Werner Lemberg | 2067c69 | 2016-09-29 19:49:07 +0200 | [diff] [blame] | 965 | [truetype] Disallow bitmap strokes for non-default instances. |
| 966 | |
| 967 | Also speed up access of default instances if GX variations are |
| 968 | active. |
| 969 | |
| 970 | * include/freetype/internal/tttypes.h (TT_FaceRec): Add |
| 971 | `is_default_instance' member. |
| 972 | |
| 973 | * src/sfnt/sfobjs.c (sfnt_init_face): Initialize |
| 974 | `is_default_instance'. |
| 975 | |
| 976 | * src/truetype/ttgload.c (TT_Process_Simple_Glyph, |
| 977 | load_truetype_glyph): Add test for default instance. |
| 978 | (TT_Load_Glyph): Load embedded bitmaps for default instance only. |
| 979 | |
| 980 | * src/truetype/ttgxvar.c (TT_Set_MM_Blend): Compute |
| 981 | `is_default_instance'. |
| 982 | |
| 983 | 2016-09-29 Werner Lemberg <wl@gnu.org> |
| 984 | |
Werner Lemberg | bf90239 | 2016-09-29 13:04:46 +0200 | [diff] [blame] | 985 | [truetype] Clean up `TT_Face' structure. |
| 986 | |
| 987 | * include/freetype/internal/tttypes.h (TT_FaceRec): Remove unused |
| 988 | fields `horz_metrics' and `vert_metrics'. |
| 989 | Update documentation. |
| 990 | |
| 991 | * src/sfnt/sfobjs.c (sfnt_done_face): Updated. |
| 992 | |
Werner Lemberg | 2ecf89b | 2016-09-28 19:06:21 +0200 | [diff] [blame] | 993 | 2016-09-28 Werner Lemberg <wl@gnu.org> |
| 994 | |
Werner Lemberg | 45cad2e | 2016-09-28 19:10:52 +0200 | [diff] [blame] | 995 | More FT_ZERO usage. |
| 996 | |
| 997 | * src/gxvalid/gxvcommn.c (gxv_ClassTable_validate): |
| 998 | s/ft_memset/FT_MEM_ZERO/. |
| 999 | |
| 1000 | * src/psaux/t1decode.c (t1_decoder_parse_charstrings): |
| 1001 | s/ft_memset/FT_ARRAY_ZERO/. |
| 1002 | |
| 1003 | * src/raster/ftraster.c (FT_ZERO): Define. |
| 1004 | (ft_black_new): Use it. |
| 1005 | * src/raster/ftrend1.c (ft_raster1_get_cbox): |
| 1006 | s/FT_MEM_ZERO/FT_ZERO/. |
| 1007 | |
| 1008 | * src/smooth/ftgrays.c (FT_ZERO): Define. |
| 1009 | (gray_raster_new): Use it. |
| 1010 | * src/smooth/ftsmooth.c (ft_smooth_get_cbox): |
| 1011 | s/FT_MEM_ZERO/FT_ZERO/. |
| 1012 | |
| 1013 | 2016-09-28 Werner Lemberg <wl@gnu.org> |
| 1014 | |
Werner Lemberg | 2ecf89b | 2016-09-28 19:06:21 +0200 | [diff] [blame] | 1015 | */*: s/FT_MEM_ZERO/FT_ZERO/ where appropriate. |
| 1016 | |
Werner Lemberg | 0d94592 | 2016-09-27 08:44:31 +0200 | [diff] [blame] | 1017 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 1018 | |
Werner Lemberg | a3e2c83 | 2016-09-27 21:42:02 +0200 | [diff] [blame] | 1019 | [truetype] Trace number of executed opcodes. |
| 1020 | |
| 1021 | * src/truetype/ttinterp.c (TT_RunIns): Implement it. |
| 1022 | |
| 1023 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 1024 | |
Werner Lemberg | e27b8a5 | 2016-09-27 21:21:01 +0200 | [diff] [blame] | 1025 | [truetype] Speed up `TT_Load_Glyph'. |
| 1026 | |
| 1027 | This avoids additional calls to `tt_face_lookup_table' for the |
| 1028 | `glyf' table, which can be expensive. |
| 1029 | |
| 1030 | * include/freetype/internal/tttypes.h (TT_LoaderRec): Move |
| 1031 | `glyf_offset' field to ... |
| 1032 | (TT_FaceRec): ... this structure. |
| 1033 | * src/truetype/ttgload.c (load_truetype_glyph): Updated. |
| 1034 | (tt_loader_init): Move initialization of `glyf_offset' to ... |
Werner Lemberg | a3e2c83 | 2016-09-27 21:42:02 +0200 | [diff] [blame] | 1035 | * src/truetype/ttpload.c (tt_face_load_loca): ... this function. |
Werner Lemberg | e27b8a5 | 2016-09-27 21:21:01 +0200 | [diff] [blame] | 1036 | |
| 1037 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 1038 | |
Werner Lemberg | 0d94592 | 2016-09-27 08:44:31 +0200 | [diff] [blame] | 1039 | [truetype] Introduce dynamic limits for some bytecode opcodes. |
| 1040 | |
| 1041 | This speeds up FreeType's handling of malformed fonts. |
| 1042 | |
| 1043 | * src/truetype/ttinterp.c (TT_RunIns): Set up limits for the number |
| 1044 | of twilight points, the total number of negative jumps, and the |
| 1045 | total number of loops in LOOPCALL opcodes. The values are based on |
| 1046 | the number of points and entries in the CVT table. |
| 1047 | (Ins_JMPR): Test negative jump counter. |
| 1048 | (Ins_LOOPCALL): Test loopcall counter. |
| 1049 | |
| 1050 | * src/truetype/ttinterp.h (TT_ExecContext): Updated. |
| 1051 | |
| 1052 | * docs/CHANGES: Updated. |
| 1053 | |
Werner Lemberg | d11e8b6 | 2016-09-25 15:32:04 +0200 | [diff] [blame] | 1054 | 2016-09-25 Werner Lemberg <wl@gnu.org> |
| 1055 | |
Werner Lemberg | a764963 | 2016-09-25 16:29:05 +0200 | [diff] [blame] | 1056 | [truetype] Sanitize only last entry of `loca' table. |
| 1057 | |
| 1058 | Without this patch, a loca sequence like `0 100000 0 100000 ...', |
| 1059 | where value 100000 is larger than the `glyf' table size, makes |
| 1060 | FreeType handle the whole `glyf' table as a single glyph again and |
| 1061 | again, which is certainly invalid (and can be very slow, too). |
| 1062 | |
| 1063 | * src/truetype/ttpload.c (tt_face_get_location): Implement. |
| 1064 | Improve tracing messages. |
| 1065 | |
| 1066 | 2016-09-25 Werner Lemberg <wl@gnu.org> |
| 1067 | |
Werner Lemberg | d11e8b6 | 2016-09-25 15:32:04 +0200 | [diff] [blame] | 1068 | * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Fix typo. |
| 1069 | |
Werner Lemberg | 2f2e73c | 2016-09-24 22:42:58 +0200 | [diff] [blame] | 1070 | 2016-09-24 Werner Lemberg <wl@gnu.org> |
| 1071 | |
| 1072 | [autofit] Tracing fixes. |
| 1073 | |
| 1074 | * src/autofit/afmodule.c (af_autofitter_load_glyph): Call dumping |
| 1075 | functions only if we actually do tracing. |
| 1076 | |
Alexei Podtelezhnikov | 53ae7a5 | 2016-09-22 22:48:15 -0400 | [diff] [blame] | 1077 | 2016-09-22 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1078 | |
| 1079 | [smooth] Reduce divisions in the line renderer. |
| 1080 | |
| 1081 | We don't need some divisions if a line segments stays within a single |
| 1082 | row or a single column of pixels. |
| 1083 | |
| 1084 | * src/smooth/ftgrays.c (gray_render_line) [FT_LONG64]: Make divisions |
| 1085 | conditional. |
| 1086 | |
Alexei Podtelezhnikov | d5f7533 | 2016-09-15 00:13:36 -0400 | [diff] [blame] | 1087 | 2016-09-15 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1088 | |
| 1089 | * src/smooth/ftgrays.c (gray_sweep): Remove check for empty table. |
| 1090 | |
Alexei Podtelezhnikov | ad47550 | 2016-09-14 23:15:03 -0400 | [diff] [blame] | 1091 | 2016-09-14 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1092 | |
| 1093 | [smooth] Another tiny speed-up. |
| 1094 | |
| 1095 | * src/smooth/ftgrays.c (gray_find_cell): Merge into... |
| 1096 | (gray_record_cell): ... this function. |
| 1097 | |
Alexei Podtelezhnikov | 6ca54c6 | 2016-09-11 16:00:52 -0400 | [diff] [blame] | 1098 | 2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1099 | |
Alexei Podtelezhnikov | c38be52 | 2016-09-11 22:44:44 -0400 | [diff] [blame] | 1100 | * src/smooth/ftgrays.c (gray_{find,set}_cell): Remove dubious code. |
| 1101 | |
| 1102 | 2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1103 | |
Alexei Podtelezhnikov | 6ca54c6 | 2016-09-11 16:00:52 -0400 | [diff] [blame] | 1104 | [smooth] Fix valgrind warning and reoptimize. |
| 1105 | |
| 1106 | The algorithm calls `gray_set_cell' at the start of each new contour |
| 1107 | or when the contours cross the cell boundaries. Double-checking for |
| 1108 | that is wasteful. |
| 1109 | |
| 1110 | * src/smooth/ftgrays.c (gray_set_cell): Remove check for a new cell. |
| 1111 | (gray_convert_glyph): Remove initialization introduced by 44b172e88. |
| 1112 | |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1113 | 2016-09-10 Werner Lemberg <wl@gnu.org> |
| 1114 | |
| 1115 | [sfnt] Fix previous commit. |
| 1116 | |
| 1117 | Problems reported as |
| 1118 | |
| 1119 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40 |
| 1120 | |
| 1121 | We now map the strike index right before accessing the physical |
| 1122 | data, not earlier. |
| 1123 | |
| 1124 | * src/sfnt/sfobjs.c (sfnt_load_face): Set `face->sbit_strike_map' |
| 1125 | after creating the map so that... |
| 1126 | |
| 1127 | * src/sfnt/ttsbit.c (tt_face_load_strike_metrics): ... this function |
| 1128 | can be used before and after setting up `sbit_strike_map'. |
| 1129 | (tt_face_set_sbit_strike): Revert change. |
| 1130 | (tt_sbit_decoder_init, tt_face_load_sbix_image): Map strike index. |
| 1131 | |
| 1132 | * src/truetype/ttdriver.c (tt_size_select): Revert change. |
| 1133 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1134 | 2016-09-09 Werner Lemberg <wl@gnu.org> |
| 1135 | |
Werner Lemberg | deb2615 | 2016-09-09 22:13:33 +0200 | [diff] [blame] | 1136 | [ftfuzzer] Minor improvements. |
| 1137 | |
| 1138 | * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Ignore |
| 1139 | invalid strikes. |
| 1140 | Use better values for call to `FT_Set_Char_Size'. |
| 1141 | |
| 1142 | 2016-09-09 Werner Lemberg <wl@gnu.org> |
| 1143 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1144 | [sfnt] Don't provide (completely) broken strike data. |
| 1145 | |
| 1146 | FreeType tries to sanitize strike header data; we now reject |
| 1147 | completely broken ones. |
| 1148 | |
| 1149 | * include/freetype/internal/tttypes.h (TT_FaceRec): New |
| 1150 | `sbit_strike_map' array pointer. |
| 1151 | |
| 1152 | * src/base/ftobjs.c (FT_Match_Size): Reject matches where either |
| 1153 | width or height would be zero. |
| 1154 | Add tracing message in case of error. |
| 1155 | |
| 1156 | * src/sfnt/sfobjs.c (sfnt_load_face): Populate `sbit_strike_map', |
| 1157 | only using (more or less) valid strike header data for |
| 1158 | FT_Face's `available_sizes' array. |
| 1159 | (sfnt_done_face): Updated. |
| 1160 | |
| 1161 | * src/sfnt/ttsbit.c (tt_face_set_sbit_strike): Use |
| 1162 | `sbit_strike_map'. |
| 1163 | (tt_face_load_strike_metrics): Improve tracing. |
| 1164 | |
| 1165 | * src/truetype/ttdriver.c (tt_size_select): Use `sbit_strike_map'. |
| 1166 | |
Werner Lemberg | 9749f26 | 2016-09-08 07:51:03 +0200 | [diff] [blame] | 1167 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 1168 | |
Werner Lemberg | d2d5968 | 2016-09-08 09:04:32 +0200 | [diff] [blame] | 1169 | * Version 2.7 released. |
| 1170 | ======================= |
| 1171 | |
| 1172 | |
| 1173 | Tag sources with `VER-2-7'. |
| 1174 | |
| 1175 | * docs/VERSION.TXT: Add entry for version 2.7. |
| 1176 | |
| 1177 | * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, |
| 1178 | builds/windows/vc2005/index.html, |
| 1179 | builds/windows/vc2008/freetype.vcproj, |
| 1180 | builds/windows/vc2008/index.html, |
| 1181 | builds/windows/vc2010/freetype.vcxproj, |
| 1182 | builds/windows/vc2010/index.html, |
| 1183 | builds/windows/visualc/freetype.dsp, |
| 1184 | builds/windows/visualc/freetype.vcproj, |
| 1185 | builds/windows/visualc/index.html, |
| 1186 | builds/windows/visualce/freetype.dsp, |
| 1187 | builds/windows/visualce/freetype.vcproj, |
| 1188 | builds/windows/visualce/index.html, |
| 1189 | builds/wince/vc2005-ce/freetype.vcproj, |
| 1190 | builds/wince/vc2005-ce/index.html, |
| 1191 | builds/wince/vc2008-ce/freetype.vcproj, |
| 1192 | builds/wince/vc2008-ce/index.html: s/2.6.5/2.7/, s/265/27/. |
| 1193 | |
| 1194 | * include/freetype/freetype.h (FREETYPE_MINOR): Set to 7. |
| 1195 | (FREETYPE_PATCH): Set to 0. |
| 1196 | |
| 1197 | * builds/unix/configure.raw (version_info): Set to 18:6:12. |
| 1198 | * CMakeLists.txt (VERSION_MINOR): Set to 7. |
| 1199 | (VERSION_PATCH): Set to 0. |
| 1200 | |
| 1201 | * docs/CHANGES: Updated. |
| 1202 | |
| 1203 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 1204 | |
Werner Lemberg | b1e7b68 | 2016-09-08 08:56:34 +0200 | [diff] [blame] | 1205 | * src/truetype/ttinterp.c: Include `ttgxvar.h'. |
| 1206 | |
| 1207 | This fixes the `multi' build. |
| 1208 | |
| 1209 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 1210 | |
Werner Lemberg | 9749f26 | 2016-09-08 07:51:03 +0200 | [diff] [blame] | 1211 | [autofit] Another improvement to Armenian support. |
| 1212 | |
| 1213 | Suggested by Hrant H Papazian <hpapazian@gmail.com>. |
| 1214 | |
| 1215 | * src/autofit/afscript.h: Use better suited characters to derive |
| 1216 | default stem widths. |
| 1217 | |
Alexei Podtelezhnikov | a0b92bc | 2016-09-07 23:19:57 -0400 | [diff] [blame] | 1218 | 2016-09-07 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1219 | |
| 1220 | * src/smooth/ftgrays.c (gray_hline): Microptimize. |
| 1221 | |
Alexei Podtelezhnikov | 44b172e | 2016-09-06 23:24:17 -0400 | [diff] [blame] | 1222 | 2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1223 | |
Alexei Podtelezhnikov | 9d0a3bd | 2016-09-06 23:59:33 -0400 | [diff] [blame] | 1224 | [smooth] Operate in absolute bitmap coordinates. |
| 1225 | |
| 1226 | Simpler bitmap addressing improves performance by 1.5%. |
| 1227 | |
| 1228 | * src/smooth/ftgrays.c (gray_TWorker): Remove count fields. |
| 1229 | (gray_dump_cells, gray_find_cell, gray_set_cell, gray_hline, |
| 1230 | gray_sweep, gray_convert_glyph, gray_raster_render): Updated. |
| 1231 | |
| 1232 | 2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1233 | |
Alexei Podtelezhnikov | 44b172e | 2016-09-06 23:24:17 -0400 | [diff] [blame] | 1234 | [smooth] Improve contour start (take 2). |
| 1235 | |
| 1236 | * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly |
| 1237 | instead of... |
| 1238 | (gray_start_cell): ... this function, which is removed. |
| 1239 | (gray_convert_glyph): Make initial y-coordinate invalid. |
| 1240 | |
Werner Lemberg | ebbb8b2 | 2016-09-06 16:28:57 +0200 | [diff] [blame] | 1241 | 2016-09-06 Werner Lemberg <wl@gnu.org> |
| 1242 | |
| 1243 | [type1] MM fonts support exactly zero named instances (#48748). |
| 1244 | |
| 1245 | * src/type1/t1load.c (T1_Get_MM_Var): Set `num_namedstyles' to zero. |
| 1246 | |
Jonathan Kew | a15133e | 2016-09-06 06:33:36 +0200 | [diff] [blame] | 1247 | 2016-09-06 Jonathan Kew <jfkthame@gmail.com> |
| 1248 | |
| 1249 | [cff] Fix uninitialized memory. |
| 1250 | |
| 1251 | Problem reported as |
| 1252 | |
| 1253 | https://bugzilla.mozilla.org/show_bug.cgi?id=1270288 |
| 1254 | |
| 1255 | * src/cff/cf2interp.c (cf2_interpT2CharString): Initialize `storage' |
| 1256 | array to handle a `get' opcode without a previous `put'. |
| 1257 | |
Alexei Podtelezhnikov | 7effc27 | 2016-09-05 21:58:56 -0400 | [diff] [blame] | 1258 | 2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1259 | |
Alexei Podtelezhnikov | 9773d5f | 2016-09-05 23:33:35 -0400 | [diff] [blame] | 1260 | * src/smooth/ftgrays.c (gray_move_to, gray_start_cell): Revert. |
| 1261 | |
| 1262 | 2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1263 | |
Alexei Podtelezhnikov | 7effc27 | 2016-09-05 21:58:56 -0400 | [diff] [blame] | 1264 | [smooth] Improve contour start. |
| 1265 | |
| 1266 | * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly |
| 1267 | instead of... |
| 1268 | (gray_start_cell): ... this function, which is removed. |
| 1269 | |
Werner Lemberg | c9adf1a | 2016-09-05 07:32:37 +0200 | [diff] [blame] | 1270 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 1271 | |
Werner Lemberg | 3ebfe3c | 2016-09-05 10:55:07 +0200 | [diff] [blame] | 1272 | [cff] Fix memory initialization. |
| 1273 | |
| 1274 | * src/cff/cf2stack.c (cf2_stack_init): Use `FT_NEW'. The `Q' |
| 1275 | variants of FreeType's memory allocation macros don't do zeroing. |
| 1276 | |
| 1277 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 1278 | |
Werner Lemberg | 1c8bb63 | 2016-09-05 08:13:42 +0200 | [diff] [blame] | 1279 | [ftrandom] Minor improvements. |
| 1280 | |
| 1281 | * src/tools/ftrandom/ftrandom.c (_XOPEN_SOURCE): New macro, set to |
| 1282 | 500. |
| 1283 | |
| 1284 | * src/tools/ftrandom/Makefile (CFLAGS): Split off include |
| 1285 | directories to ... |
| 1286 | (INCLUDES): ... this new variable. |
| 1287 | (LDFLAGS): New variable. |
| 1288 | (ftrandom.o, ftrandom): Updated. |
| 1289 | |
| 1290 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 1291 | |
Werner Lemberg | c9adf1a | 2016-09-05 07:32:37 +0200 | [diff] [blame] | 1292 | [autofit] Improve Armenian support. |
| 1293 | |
| 1294 | Thanks to Hrant H Papazian <hpapazian@gmail.com> for help. |
| 1295 | |
| 1296 | * src/autofit/afblue.dat (AF_BLUE_STRING_ARMENIAN_*): Improve |
| 1297 | selection of characters. |
| 1298 | |
| 1299 | * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. |
| 1300 | |
Werner Lemberg | 4b28f6a | 2016-09-04 19:05:45 +0200 | [diff] [blame] | 1301 | 2016-09-04 Werner Lemberg <wl@gnu.org> |
| 1302 | |
| 1303 | [ftrandom] Improve Makefile. |
| 1304 | |
| 1305 | It now supports both a normal build (`./configure && make') and a |
| 1306 | development build (`make devel'). |
| 1307 | |
| 1308 | * src/tools/ftrandom/Makefile (VPATH): Set it so that |
| 1309 | `libfreetype.a' gets searched in both `objs' (for the development |
| 1310 | build) and `objs/.libs' (for a normal build which uses libtool). |
| 1311 | (LIBS): Add missing libraries. |
| 1312 | (ftrandom.o): New rule. |
| 1313 | (ftrandom): Use automatic variables. |
| 1314 | |
Werner Lemberg | f0fa7a6 | 2016-09-03 06:33:36 +0200 | [diff] [blame] | 1315 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 1316 | |
Werner Lemberg | 4e659d7 | 2016-09-03 18:14:00 +0200 | [diff] [blame] | 1317 | [truetype] More fixes for handling of GX deltas. |
| 1318 | |
| 1319 | Problems reported by Bob Taylor <Bob.Taylor@monotype.com>. |
| 1320 | |
| 1321 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix rough |
| 1322 | sanity test for glyph variation array header size. |
| 1323 | Always set stream position before reading packed x and y deltas. |
| 1324 | Fix thinko w.r.t. `localpoints' array. |
| 1325 | |
| 1326 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 1327 | |
Werner Lemberg | ca8e98d | 2016-09-03 13:06:16 +0200 | [diff] [blame] | 1328 | [ftrandom] Various fixes. |
| 1329 | |
| 1330 | * src/tools/ftrandom/ftrandom.c (GOOD_FONTS_DIR): Provide better |
| 1331 | default. |
| 1332 | (error_fraction): Make it of type `double' to work as advertized – |
| 1333 | this was completely broken. |
| 1334 | Update all related code. |
| 1335 | (error_count, fcnt): Make it unsigned to fix compiler warnings. |
| 1336 | Update all related code. |
| 1337 | (fontlist): Change `len' member to `long' to fix compiler warnings. |
| 1338 | (FT_MoveTo, FT_LineTo, FT_ConicTo, FT_CubicTo, abort_test): Tag |
| 1339 | unused variables. |
| 1340 | (TestFace, FindFonts, copyfont, do_test): Fix compiler warnings. |
| 1341 | (ExecuteTest): Ditto. |
| 1342 | Call `FT_Done_FreeType'. |
| 1343 | (getErrorCnt): Replace `ceil' with an ordinary cast to `unsigned |
| 1344 | int'. |
| 1345 | (usage): Improve output. |
| 1346 | (main): Fix compiler warnings. |
| 1347 | |
| 1348 | * src/tools/ftrandom/README: Updated. |
| 1349 | |
| 1350 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 1351 | |
Werner Lemberg | b98dfda | 2016-09-03 08:20:31 +0200 | [diff] [blame] | 1352 | [base] Avoid negative bitmap stroke dimensions (#48985). |
| 1353 | |
| 1354 | * src/base/ftobjs.c (FT_Open_Face): Check whether negation was |
| 1355 | actually successful. For example, this can fail for value |
| 1356 | -32768 if the type is `signed short'. If there are problems, |
| 1357 | disable the stroke. |
| 1358 | |
| 1359 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 1360 | |
Werner Lemberg | f0fa7a6 | 2016-09-03 06:33:36 +0200 | [diff] [blame] | 1361 | [cff] Avoid null pointer passed to FT_MEM_COPY (#48984). |
| 1362 | |
| 1363 | * src/cff/cffload.c (cff_index_get_name): Check `byte_len'. |
| 1364 | |
Werner Lemberg | d8ef726 | 2016-09-02 23:27:50 +0200 | [diff] [blame] | 1365 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 1366 | |
Werner Lemberg | d87bb91 | 2016-09-02 23:56:27 +0200 | [diff] [blame] | 1367 | [unix] Enable 64bit support in file system access (#48962). |
| 1368 | |
| 1369 | * builds/unix/configure.raw: Call `AC_SYS_LARGEFILE'. |
| 1370 | |
| 1371 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 1372 | |
Werner Lemberg | d8ef726 | 2016-09-02 23:27:50 +0200 | [diff] [blame] | 1373 | [sfnt] Avoid left shift of negative value (#48980). |
| 1374 | |
| 1375 | * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Use unsigned |
| 1376 | constant. |
| 1377 | |
| 1378 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
Werner Lemberg | 16583cc | 2016-09-02 22:45:14 +0200 | [diff] [blame] | 1379 | |
| 1380 | * src/smooth/ftgrays.c (gray_hline): Fix clang compiler warnings. |
| 1381 | |
Werner Lemberg | 7a13dc0 | 2016-09-02 08:24:01 +0200 | [diff] [blame] | 1382 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 1383 | |
| 1384 | Some preparations for the next release. |
| 1385 | |
| 1386 | * include/freetype/config/ftoption.h |
| 1387 | (TT_CONFIG_OPTION_SUBPIXEL_HINTING): Enable. |
| 1388 | |
| 1389 | * docs/CHANGES: Updated. |
| 1390 | |
Alexei Podtelezhnikov | 11d3336 | 2016-09-01 22:56:24 -0400 | [diff] [blame] | 1391 | 2016-09-01 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1392 | |
| 1393 | [smooth] Simplify span rendering more. |
| 1394 | |
| 1395 | It turns out that there is significant cost associated with `FT_Span' |
| 1396 | creation and calls to `gray_render_span' because it happerns so |
| 1397 | frequently. This removes these steps from our internal use but leaves |
| 1398 | it alone for `FT_RASTER_FLAG_DIRECT" to preserve API. The speed gain |
| 1399 | is about 5%. |
| 1400 | |
| 1401 | * src/smooth/ftgrays.c (gray_render_span): Removed. The code is |
| 1402 | migrated to... |
| 1403 | (gray_hline): ... here. |
| 1404 | |
Alexei Podtelezhnikov | f44ddfd | 2016-08-30 23:21:23 -0400 | [diff] [blame] | 1405 | 2016-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1406 | |
| 1407 | [smooth] Streamline pixmap drawing a bit more. |
| 1408 | |
| 1409 | Zero coverage is unlikely (1 out of 256) to warrant checking. This |
Alexei Podtelezhnikov | 11d3336 | 2016-09-01 22:56:24 -0400 | [diff] [blame] | 1410 | gives 0.5% speed improvement in rendering simple glyphs. |
Alexei Podtelezhnikov | f44ddfd | 2016-08-30 23:21:23 -0400 | [diff] [blame] | 1411 | |
| 1412 | * src/smooth/ftgrays.c (gray_hline, gray_render_span): Remove checks. |
| 1413 | |
Alexei Podtelezhnikov | e73055c | 2016-08-29 23:15:35 -0400 | [diff] [blame] | 1414 | 2016-08-29 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1415 | |
| 1416 | [smooth] Streamline pixmap drawing. |
| 1417 | |
| 1418 | This gives 2% speed improvement in rendering simple glyphs. |
| 1419 | |
| 1420 | * src/smooth/ftgrays.c (TPixmap): Reduced pixmap descriptor with a |
| 1421 | pointer to its bottom-left and pitch to be used in... |
| 1422 | (gray_TWorker): ... here. |
| 1423 | (gray_render_span): Move pixmap flow check from here... |
| 1424 | (gray_raster_render): .. to here. |
| 1425 | |
Alexei Podtelezhnikov | 4d3f7ca | 2016-08-27 23:25:54 -0400 | [diff] [blame] | 1426 | 2016-08-27 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1427 | |
| 1428 | [smooth] Reduce stack of band boundaries. |
| 1429 | |
| 1430 | * src/smooth/ftgrays.c (gray_TBand): Removed. |
| 1431 | (gray_convert_glyph): Updated to stack band boundaries concisely. |
| 1432 | |
Werner Lemberg | f3e71ba | 2016-08-26 10:31:30 +0200 | [diff] [blame] | 1433 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 1434 | |
Werner Lemberg | 57aa839 | 2016-08-26 11:59:50 +0200 | [diff] [blame] | 1435 | * src/cid/cidload.c (cid_face_open): Improve handling of `SDBytes'. |
| 1436 | |
| 1437 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 1438 | |
Werner Lemberg | 3c61a2f | 2016-08-26 11:50:09 +0200 | [diff] [blame] | 1439 | [cid] Fix commit from 2016-05-16. |
| 1440 | |
| 1441 | * src/cid/cidparse.c (cid_parser_new): Fix off-by-one errors. |
| 1442 | |
| 1443 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 1444 | |
Werner Lemberg | f3e71ba | 2016-08-26 10:31:30 +0200 | [diff] [blame] | 1445 | [sfnt] Cache offset and size to bitmap data table. |
| 1446 | |
| 1447 | This commit avoids `EBDT' and friends being looked up again and |
| 1448 | again while loading a single embedded bitmap. |
| 1449 | |
| 1450 | * include/freetype/internal/tttypes.h (TT_FaceRec) |
| 1451 | [TT_CONFIG_OPTION_EMBEDDED_BITMAPS]: New fields `ebdt_start' and |
| 1452 | `ebdt_size'. |
| 1453 | |
| 1454 | * src/sfnt/ttsbit.c (tt_sbit_decoder_init): Move table lookup to ... |
| 1455 | (tt_face_load_sbit): ... this function; also store the table size |
| 1456 | and offset. |
| 1457 | |
Alexei Podtelezhnikov | 9a444f0 | 2016-08-25 22:36:01 -0400 | [diff] [blame] | 1458 | 2016-08-26 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1459 | |
| 1460 | * src/smooth/ftgrays.c (gray_raster_render): Minor tweaks. |
| 1461 | |
Werner Lemberg | a660e3d | 2016-08-26 00:23:27 +0200 | [diff] [blame] | 1462 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 1463 | |
| 1464 | [type1] Fix heap buffer overflow. |
| 1465 | |
| 1466 | Reported as |
| 1467 | |
| 1468 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36 |
| 1469 | |
| 1470 | * src/type1/t1load.c (parse_charstrings): Reject fonts that don't |
| 1471 | contain glyph names. |
| 1472 | |
Werner Lemberg | 327f2e3 | 2016-08-25 12:46:08 +0200 | [diff] [blame] | 1473 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 1474 | |
Werner Lemberg | 69ce973 | 2016-08-25 19:49:52 +0200 | [diff] [blame] | 1475 | [sfnt] Fix previous commit (#48901). |
| 1476 | |
| 1477 | * src/sfnt/ttcmap.c (tt_cmap4_char_map_binary): Thinkos. |
| 1478 | |
| 1479 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 1480 | |
Werner Lemberg | acd1879 | 2016-08-25 17:12:46 +0200 | [diff] [blame] | 1481 | [sfnt] Speed up handling of invalid format 4 cmaps. |
| 1482 | |
| 1483 | * src/sfnt/ttcmap.c (tt_cmap4_next, tt_cmap4_char_map_binary): Add |
| 1484 | tests for `num_glyph' from `tt_cmap4_char_map_linear'. |
| 1485 | |
| 1486 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 1487 | |
Werner Lemberg | 327f2e3 | 2016-08-25 12:46:08 +0200 | [diff] [blame] | 1488 | * include/freetype/internal/ftdriver.h: Remove unused typedefs. |
| 1489 | |
Alexei Podtelezhnikov | cb43887 | 2016-08-22 23:06:45 -0400 | [diff] [blame] | 1490 | 2016-08-22 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1491 | |
| 1492 | [smooth] Simplify span rendering. |
| 1493 | |
| 1494 | This removes unnecessary complexity of span merging and buffering. |
| 1495 | Instead, the spans are rendered as they come, speeding up the |
Alexei Podtelezhnikov | 9a444f0 | 2016-08-25 22:36:01 -0400 | [diff] [blame] | 1496 | rendering by about 5% as a result. |
Alexei Podtelezhnikov | cb43887 | 2016-08-22 23:06:45 -0400 | [diff] [blame] | 1497 | |
| 1498 | * src/smooth/ftgrays.c [FT_MAX_GRAY_SPANS]: Macro removed. |
| 1499 | (gray_TWorker): Remove span buffer and related fields. |
| 1500 | (gray_sweep, gray_hline): Updated. |
| 1501 | |
| 1502 | * include/freetype/ftimage.h: Remove documentation note about |
| 1503 | `FT_MAX_GRAY_SPANS', which was never in `ftoption.h' and is now gone. |
| 1504 | |
Werner Lemberg | cf4224a | 2016-08-16 06:44:23 +0200 | [diff] [blame] | 1505 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 1506 | |
Werner Lemberg | a4c2a31 | 2016-08-22 19:32:34 +0200 | [diff] [blame] | 1507 | [truetype] Fix `MPS' instruction. |
| 1508 | |
| 1509 | According to Greg Hitchcock, MPS in DWrite really returns the point |
| 1510 | size. |
| 1511 | |
| 1512 | * src/truetype/ttobjs.h (TT_SizeRec): Add `point_size' member. |
| 1513 | |
| 1514 | * src/truetype/ttdriver.c (tt_size_request): Set `point_size'. |
| 1515 | |
| 1516 | * src/truetype/ttinterp.h (TT_ExecContextRec): Add `pointSize' |
| 1517 | member. |
| 1518 | |
| 1519 | * src/truetype/ttinterp.c (TT_Load_Context): Updated. |
| 1520 | (Ins_MPS): Fix instruction. |
| 1521 | |
| 1522 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 1523 | |
Werner Lemberg | 8521ad9 | 2016-08-16 13:44:38 +0200 | [diff] [blame] | 1524 | [lzw] Optimize last commit. |
| 1525 | |
| 1526 | * src/lzw/ftzopen.c (ft_lzwstate_get_code): Move check into |
| 1527 | conditional clause. |
| 1528 | |
| 1529 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 1530 | |
Werner Lemberg | 548f68d | 2016-08-16 09:46:40 +0200 | [diff] [blame] | 1531 | [lzw] Avoid invalid left shift. |
| 1532 | |
Werner Lemberg | 6df6833 | 2016-08-16 09:50:07 +0200 | [diff] [blame] | 1533 | Reported as |
| 1534 | |
| 1535 | https://bugzilla.mozilla.org/show_bug.cgi?id=1295366 |
| 1536 | |
Werner Lemberg | 548f68d | 2016-08-16 09:46:40 +0200 | [diff] [blame] | 1537 | * src/lzw/ftzopen.c (ft_lzwstate_get_code): Limit `num_bits'. |
| 1538 | |
| 1539 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 1540 | |
Werner Lemberg | 8d7b919 | 2016-08-16 08:07:58 +0200 | [diff] [blame] | 1541 | [lzw] Avoid buffer overrun. |
| 1542 | |
| 1543 | Reported as |
| 1544 | |
| 1545 | https://bugzilla.mozilla.org/show_bug.cgi?id=1273283 |
| 1546 | |
| 1547 | * src/lzw/ftzopen.c (ft_lzwstate_refill): Ensure `buf_size' doesn't |
| 1548 | underflow. |
| 1549 | |
| 1550 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 1551 | |
Werner Lemberg | cf4224a | 2016-08-16 06:44:23 +0200 | [diff] [blame] | 1552 | [truetype] Fix compiler warning. |
| 1553 | |
| 1554 | * src/truetype/ttgload.c (load_truetype_glyph): Add cast. |
| 1555 | |
Werner Lemberg | 248f562 | 2016-08-13 06:53:53 +0200 | [diff] [blame] | 1556 | 2016-08-13 Werner Lemberg <wl@gnu.org> |
| 1557 | |
| 1558 | [winfonts] Avoid zero bitmap width and height. |
| 1559 | |
| 1560 | Reported as |
| 1561 | |
| 1562 | https://bugzilla.mozilla.org/show_bug.cgi?id=1272173 |
| 1563 | |
| 1564 | * src/winfonts/winfnt.c (FNT_Face_Init): Check zero pixel height. |
| 1565 | (FNT_Load_Glyph): Check for zero pitch. |
| 1566 | |
Alexei Podtelezhnikov | dce554b | 2016-08-11 07:29:19 +0200 | [diff] [blame] | 1567 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1568 | |
Alexei Podtelezhnikov | 125f2b6 | 2016-08-11 23:40:05 -0400 | [diff] [blame] | 1569 | * src/truetype/ttinterp.c (Pop_Push_Count): Revert changes. |
| 1570 | |
| 1571 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1572 | |
Alexei Podtelezhnikov | 49d474f | 2016-08-11 23:03:09 -0400 | [diff] [blame] | 1573 | * src/truetype/ttinterp.c (TT_RunIns): Minor and formatting. |
| 1574 | |
| 1575 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1576 | |
Alexei Podtelezhnikov | dce554b | 2016-08-11 07:29:19 +0200 | [diff] [blame] | 1577 | * src/truetype/ttinterp.c (Pop_Push_Count): Fix some entries. |
| 1578 | |
Peter Klotz | 3b37bfc | 2016-08-10 22:38:08 -0400 | [diff] [blame] | 1579 | 2016-08-10 Peter Klotz <Peter.Klotz@ith-icoserve.com> |
| 1580 | |
| 1581 | * src/smooth/ftgrays.c (gray_hline): Fix uninitialized access. |
| 1582 | |
Werner Lemberg | 5224aae | 2016-08-10 19:47:29 +0200 | [diff] [blame] | 1583 | 2016-08-10 Werner Lemberg <wl@gnu.org> |
| 1584 | |
| 1585 | [sfnt] Use correct type for `italicAngle' field (#48732). |
| 1586 | |
| 1587 | * src/sfnt/ttload.c (tt_face_load_post): Fix types. |
| 1588 | |
Werner Lemberg | 53059f9 | 2016-08-07 09:01:33 +0200 | [diff] [blame] | 1589 | 2016-08-06 Jon Spencer <jon@jonspencer.ca> |
| 1590 | |
| 1591 | [sfnt] Fix `FT_Get_Advance' for bitmap strikes. |
| 1592 | |
| 1593 | `FT_Get_Advance' returns 0 for bitmap fonts. It first gets the |
| 1594 | advance value from the font table and then scales it by the |
| 1595 | `font->size->metrics->x_scale' field. But `FT_Select_Size' doesn't |
| 1596 | set that value for bitmap fonts and the advance gets scaled to zero. |
| 1597 | |
| 1598 | Taken from |
| 1599 | |
| 1600 | https://github.com/behdad/harfbuzz/issues/252 |
| 1601 | |
| 1602 | * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) |
| 1603 | <TT_SBIT_TABLE_TYPE_EBLC>: Set scale values. |
| 1604 | |
| 1605 | 2016-08-06 Behdad Esfahbod <behdad@behdad.org> |
Behdad Esfahbod | 8183eeb | 2016-08-06 23:12:55 +0200 | [diff] [blame] | 1606 | |
| 1607 | [truetype] Fix GX variation handling of composites. |
| 1608 | |
| 1609 | * src/truetype/ttgload.c (load_truetype_glyph) |
| 1610 | [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Check `ARGS_ARE_XY_VALUES' flag. |
| 1611 | |
Alexei Podtelezhnikov | 97718f3 | 2016-08-05 23:36:16 -0400 | [diff] [blame] | 1612 | 2016-08-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 1613 | |
| 1614 | [smooth] Minor refactoring. |
| 1615 | |
| 1616 | * src/smooth/ftgrays.c (gray_render_scanline, gray_render_line): |
| 1617 | Updated. |
| 1618 | |
Werner Lemberg | fae4ec0 | 2016-07-29 06:43:32 +0200 | [diff] [blame] | 1619 | 2016-07-29 Werner Lemberg <wl@gnu.org> |
| 1620 | |
| 1621 | [sfnt, truetype] Don't abort on invalid `maxComponentDepth'. |
| 1622 | |
| 1623 | Since 2016-05-16 we detect infinite recursion directly. |
| 1624 | |
| 1625 | * src/sfnt/ttload.c (tt_face_load_maxp): Don't adjust |
| 1626 | `maxComponentDepth'. |
| 1627 | * src/truetype/ttgload.c (load_truetype_glyph): Don't abort if |
| 1628 | `maxComponentDepth' is not valid. Instead, simply adjust its value |
| 1629 | and emit a tracing message. |
| 1630 | |
Werner Lemberg | d9c7f5a | 2016-07-26 20:20:27 +0200 | [diff] [blame] | 1631 | 2016-07-26 Werner Lemberg <wl@gnu.org> |
| 1632 | |
| 1633 | * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Minor. |
| 1634 | |
| 1635 | No functional change. |
| 1636 | |
Hin-Tak Leung | 3a528bb | 2016-07-22 06:59:36 +0200 | [diff] [blame] | 1637 | 2016-07-22 Hin-Tak Leung <htl10@users.sourceforge.net> |
| 1638 | |
| 1639 | [truetype] Record the end of IDEFs. |
| 1640 | |
| 1641 | To match the logic in FDEF. The value of the end is only used for |
| 1642 | bound-checking in `Ins_JMPR', so it may not have been obvious that |
| 1643 | it was not recorded. Tested (as part of Font Validator 2.0) all the |
| 1644 | fonts on Fedora and did not see any change. |
| 1645 | |
| 1646 | * src/truetype/ttinterp.c (Ins_IDEF): Updated. |
| 1647 | |
Werner Lemberg | e69f34b | 2016-07-19 07:06:19 +0200 | [diff] [blame] | 1648 | 2016-07-19 Werner Lemberg <wl@gnu.org> |
| 1649 | |
Werner Lemberg | 7f63105 | 2016-07-19 21:35:58 +0200 | [diff] [blame] | 1650 | [truetype] Sanitizer fix, second try. |
| 1651 | |
| 1652 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary |
| 1653 | tests and use only one slot more. |
| 1654 | |
| 1655 | 2016-07-19 Werner Lemberg <wl@gnu.org> |
| 1656 | |
Werner Lemberg | e69f34b | 2016-07-19 07:06:19 +0200 | [diff] [blame] | 1657 | [truetype] Sanitizer fix. |
| 1658 | |
| 1659 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array |
| 1660 | to fix nested loops. |
| 1661 | |
Werner Lemberg | a3b70d7 | 2016-07-18 06:23:36 +0200 | [diff] [blame] | 1662 | 2016-07-18 Werner Lemberg <wl@gnu.org> |
| 1663 | |
| 1664 | [truetype] Make GETDATA work only for GX fonts. |
| 1665 | |
| 1666 | * src/truetype/ttinterp.c (opcode_name): Updated. |
| 1667 | (Ins_GETDATA): Only define for `TT_CONFIG_OPTION_GX_VAR_SUPPORT'. |
| 1668 | (TT_RunIns): Updated. |
| 1669 | |
| 1670 | 2016-07-17 Werner Lemberg <wl@gnu.org> |
Werner Lemberg | 32a3206 | 2016-07-16 16:39:26 +0200 | [diff] [blame] | 1671 | |
Werner Lemberg | 8c93013 | 2016-07-17 22:40:31 +0200 | [diff] [blame] | 1672 | [truetype] Add support for Apple's |
| 1673 | |
| 1674 | GETDATA[], opcode 0x92 |
| 1675 | |
| 1676 | bytecode instruction. It always returns 17, and we have absolutely |
| 1677 | no idea what it is good for... |
| 1678 | |
| 1679 | * src/truetype/ttinterp.c (Pop_Push_Count, opcode_name): Updated. |
| 1680 | (Ins_GETDATA): New function. |
| 1681 | (TT_RunIns): Add it. |
| 1682 | |
| 1683 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 1684 | |
Werner Lemberg | e084360 | 2016-07-16 18:46:28 +0200 | [diff] [blame] | 1685 | [truetype] Add bytecode support for GX variation fonts. |
| 1686 | |
| 1687 | This commit implements undocumented (but confirmed) stuff from |
| 1688 | Apple's old bytecode engine. |
| 1689 | |
| 1690 | GETVARIATION[], opcode 0x91 |
| 1691 | This opcode pushes normalized variation coordinates for all axes |
| 1692 | onto the stack (in 2.14 format). Coordinate of first axis gets |
| 1693 | pushed first. |
| 1694 | |
| 1695 | GETINFO[], selector bit 3 |
| 1696 | If GX variation support is enabled, bit 10 of the result is set |
| 1697 | to 1. |
| 1698 | |
| 1699 | * src/truetype/ttinterp.c: Include FT_MULTIPLE_MASTERS_H. |
| 1700 | (opcode_name) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated. |
| 1701 | (Ins_GETINFO) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle selector |
| 1702 | bit 3, checking support for variation glyph hinting. |
| 1703 | (Ins_GETVARIATION) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New function |
| 1704 | to implement opcode 0x91. |
| 1705 | (TT_RunIns) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle opcode 0x91. |
| 1706 | |
| 1707 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 1708 | |
Werner Lemberg | 32a3206 | 2016-07-16 16:39:26 +0200 | [diff] [blame] | 1709 | [truetype] Fix GETINFO bytecode instruction. |
| 1710 | |
| 1711 | * src/truetype/ttinterp.c (Ins_GETINFO): Fix return value for |
| 1712 | stretching information. |
| 1713 | |
Behdad Esfahbod | 69446dd | 2016-07-16 10:52:38 +0200 | [diff] [blame] | 1714 | 2016-07-16 Behdad Esfahbod <behdad@behdad.org> |
| 1715 | |
| 1716 | [truetype] Make all glyphs in `Zycon' GX font work. |
| 1717 | |
| 1718 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary |
| 1719 | tests. |
| 1720 | |
Werner Lemberg | a3b6125 | 2016-07-16 08:16:16 +0200 | [diff] [blame] | 1721 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 1722 | |
| 1723 | [truetype] Fix GX delta tracing. |
| 1724 | |
| 1725 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Trace |
| 1726 | relative point movements. |
| 1727 | |
| 1728 | 2016-07-16 Behdad Esfahbod <behdad@behdad.org> |
Werner Lemberg | f147fb2 | 2016-07-16 07:06:21 +0200 | [diff] [blame] | 1729 | |
| 1730 | [truetype] More fixes for GX. |
| 1731 | |
| 1732 | This finally fixes the rendering of the cyclist and the lizard in |
| 1733 | the `Zycon' font. |
| 1734 | |
| 1735 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): `first' point |
| 1736 | index is always cumulative. |
| 1737 | |
| 1738 | (tt_handle_deltas): Rename to... |
| 1739 | (tt_interpolate_deltas): ... This. |
| 1740 | Add new parameter for output point array. |
| 1741 | Update caller. |
| 1742 | |
| 1743 | (TT_Vary_Apply_Glyph_Deltas): Add `points_out' array; it now holds |
| 1744 | the intermediate results of `tt_interpolate_deltas' that are to be |
| 1745 | added to `outline->points'. |
| 1746 | |
Werner Lemberg | aafff57 | 2016-07-16 06:41:39 +0200 | [diff] [blame] | 1747 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 1748 | |
| 1749 | * src/autofit/aflatin.c (af_latin_hints_compute_segments): Thinko. |
| 1750 | |
| 1751 | `max_pos' is always larger than `min_pos' so `FT_ABS' is not needed. |
| 1752 | |
| 1753 | Reported by Alexei. |
| 1754 | |
Nikolaus Waxweiler | 86eb43a | 2016-07-16 06:37:57 +0200 | [diff] [blame] | 1755 | 2016-07-16 Nikolaus Waxweiler <madigens@gmail.com> |
| 1756 | |
| 1757 | * src/truetype/ttinterp.c (Ins_MIRP): Fix copy-and-paste error. |
| 1758 | |
| 1759 | Problem reported by Hin-Tak Leung. |
| 1760 | |
Werner Lemberg | 894c022 | 2016-07-15 10:23:11 +0200 | [diff] [blame] | 1761 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 1762 | |
Werner Lemberg | 1831e6f | 2016-07-15 10:35:32 +0200 | [diff] [blame] | 1763 | [autofit] Update and improve segment and edge tracing. |
| 1764 | |
| 1765 | * src/autofit/afhints.c (af_glyph_hints_dump_segments): Trace |
| 1766 | `delta' also. |
| 1767 | Don't show first point of segment as a replacement for `pos'; this |
| 1768 | is (a) misleading, since the difference to `pos' can be almost |
| 1769 | arbitrarily large in corner cases, and (b) it is better to have all |
| 1770 | segment data in font units instead of a single value given in output |
| 1771 | space coordinates. |
| 1772 | Improve layout. |
| 1773 | (af_glyph_hints_dump_edges): Show px->units and units->px conversion |
| 1774 | values for convenience. |
| 1775 | Improve layout. |
| 1776 | |
| 1777 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 1778 | |
Werner Lemberg | 894c022 | 2016-07-15 10:23:11 +0200 | [diff] [blame] | 1779 | [autofit] For edges, reject segments wider than 1px (#41334). |
| 1780 | |
| 1781 | * src/autofit/afhints.h (AF_SegmentRec): New member `delta'. |
| 1782 | |
| 1783 | * src/autofit/aflatin.c (af_latin_hints_compute_segments): Compute |
| 1784 | `delta'. |
| 1785 | (af_latin_hints_compute_edges): Reject segments with a delta larger |
| 1786 | than 0.5px. |
| 1787 | |
Werner Lemberg | 631e218 | 2016-07-14 06:25:05 +0200 | [diff] [blame] | 1788 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 1789 | |
Werner Lemberg | ff65543 | 2016-07-14 15:01:55 +0200 | [diff] [blame] | 1790 | * include/freetype/freetype.h (FT_IS_NAMED_INSTANCE): New macro. |
| 1791 | |
| 1792 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 1793 | |
Werner Lemberg | ee3f36f | 2016-07-14 10:25:20 +0200 | [diff] [blame] | 1794 | [sfnt] Fix `face_index' value in `FT_Face' for named instances. |
| 1795 | |
| 1796 | * src/sfnt/sfobjc.s (sfnt_init_face): Don't strip off higher 16bits. |
| 1797 | |
| 1798 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 1799 | |
Werner Lemberg | 631e218 | 2016-07-14 06:25:05 +0200 | [diff] [blame] | 1800 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix tracing. |
| 1801 | |
Behdad Esfahbod | 0f9ddf2 | 2016-07-14 06:08:39 +0200 | [diff] [blame] | 1802 | 2016-07-14 Behdad Esfahbod <behdad@behdad.org> |
| 1803 | |
| 1804 | [truetype] Fix gxvar delta interpolation. |
| 1805 | |
| 1806 | The coordinates of the base font should be used for interpolation |
| 1807 | purposes, NOT the current points (i.e., the result of accumulation |
| 1808 | of previous deltas). |
| 1809 | |
| 1810 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Initialize |
| 1811 | `points_org' before looping over all tuples. |
| 1812 | |
Werner Lemberg | f6aa089 | 2013-05-10 07:58:47 +0200 | [diff] [blame] | 1813 | |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 1814 | ---------------------------------------------------------------------------- |
| 1815 | |
Werner Lemberg | 8160b20 | 2016-09-08 08:42:10 +0200 | [diff] [blame] | 1816 | Copyright 2016 by |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 1817 | David Turner, Robert Wilhelm, and Werner Lemberg. |
| 1818 | |
| 1819 | This file is part of the FreeType project, and may only be used, modified, |
| 1820 | and distributed under the terms of the FreeType project license, |
| 1821 | LICENSE.TXT. By continuing to use, modify, or distribute this file you |
| 1822 | indicate that you have read the license and understand and accept it |
| 1823 | fully. |
| 1824 | |
| 1825 | |
| 1826 | Local Variables: |
| 1827 | version-control: never |
Werner Lemberg | 4e03fe7 | 2006-04-29 06:20:09 +0000 | [diff] [blame] | 1828 | coding: utf-8 |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 1829 | End: |