Werner Lemberg | 2ecf89b | 2016-09-28 19:06:21 +0200 | [diff] [blame^] | 1 | 2016-09-28 Werner Lemberg <wl@gnu.org> |
| 2 | |
| 3 | */*: s/FT_MEM_ZERO/FT_ZERO/ where appropriate. |
| 4 | |
Werner Lemberg | 0d94592 | 2016-09-27 08:44:31 +0200 | [diff] [blame] | 5 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 6 | |
Werner Lemberg | a3e2c83 | 2016-09-27 21:42:02 +0200 | [diff] [blame] | 7 | [truetype] Trace number of executed opcodes. |
| 8 | |
| 9 | * src/truetype/ttinterp.c (TT_RunIns): Implement it. |
| 10 | |
| 11 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 12 | |
Werner Lemberg | e27b8a5 | 2016-09-27 21:21:01 +0200 | [diff] [blame] | 13 | [truetype] Speed up `TT_Load_Glyph'. |
| 14 | |
| 15 | This avoids additional calls to `tt_face_lookup_table' for the |
| 16 | `glyf' table, which can be expensive. |
| 17 | |
| 18 | * include/freetype/internal/tttypes.h (TT_LoaderRec): Move |
| 19 | `glyf_offset' field to ... |
| 20 | (TT_FaceRec): ... this structure. |
| 21 | * src/truetype/ttgload.c (load_truetype_glyph): Updated. |
| 22 | (tt_loader_init): Move initialization of `glyf_offset' to ... |
Werner Lemberg | a3e2c83 | 2016-09-27 21:42:02 +0200 | [diff] [blame] | 23 | * src/truetype/ttpload.c (tt_face_load_loca): ... this function. |
Werner Lemberg | e27b8a5 | 2016-09-27 21:21:01 +0200 | [diff] [blame] | 24 | |
| 25 | 2016-09-27 Werner Lemberg <wl@gnu.org> |
| 26 | |
Werner Lemberg | 0d94592 | 2016-09-27 08:44:31 +0200 | [diff] [blame] | 27 | [truetype] Introduce dynamic limits for some bytecode opcodes. |
| 28 | |
| 29 | This speeds up FreeType's handling of malformed fonts. |
| 30 | |
| 31 | * src/truetype/ttinterp.c (TT_RunIns): Set up limits for the number |
| 32 | of twilight points, the total number of negative jumps, and the |
| 33 | total number of loops in LOOPCALL opcodes. The values are based on |
| 34 | the number of points and entries in the CVT table. |
| 35 | (Ins_JMPR): Test negative jump counter. |
| 36 | (Ins_LOOPCALL): Test loopcall counter. |
| 37 | |
| 38 | * src/truetype/ttinterp.h (TT_ExecContext): Updated. |
| 39 | |
| 40 | * docs/CHANGES: Updated. |
| 41 | |
Werner Lemberg | d11e8b6 | 2016-09-25 15:32:04 +0200 | [diff] [blame] | 42 | 2016-09-25 Werner Lemberg <wl@gnu.org> |
| 43 | |
Werner Lemberg | a764963 | 2016-09-25 16:29:05 +0200 | [diff] [blame] | 44 | [truetype] Sanitize only last entry of `loca' table. |
| 45 | |
| 46 | Without this patch, a loca sequence like `0 100000 0 100000 ...', |
| 47 | where value 100000 is larger than the `glyf' table size, makes |
| 48 | FreeType handle the whole `glyf' table as a single glyph again and |
| 49 | again, which is certainly invalid (and can be very slow, too). |
| 50 | |
| 51 | * src/truetype/ttpload.c (tt_face_get_location): Implement. |
| 52 | Improve tracing messages. |
| 53 | |
| 54 | 2016-09-25 Werner Lemberg <wl@gnu.org> |
| 55 | |
Werner Lemberg | d11e8b6 | 2016-09-25 15:32:04 +0200 | [diff] [blame] | 56 | * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Fix typo. |
| 57 | |
Werner Lemberg | 2f2e73c | 2016-09-24 22:42:58 +0200 | [diff] [blame] | 58 | 2016-09-24 Werner Lemberg <wl@gnu.org> |
| 59 | |
| 60 | [autofit] Tracing fixes. |
| 61 | |
| 62 | * src/autofit/afmodule.c (af_autofitter_load_glyph): Call dumping |
| 63 | functions only if we actually do tracing. |
| 64 | |
Alexei Podtelezhnikov | 53ae7a5 | 2016-09-22 22:48:15 -0400 | [diff] [blame] | 65 | 2016-09-22 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 66 | |
| 67 | [smooth] Reduce divisions in the line renderer. |
| 68 | |
| 69 | We don't need some divisions if a line segments stays within a single |
| 70 | row or a single column of pixels. |
| 71 | |
| 72 | * src/smooth/ftgrays.c (gray_render_line) [FT_LONG64]: Make divisions |
| 73 | conditional. |
| 74 | |
Alexei Podtelezhnikov | d5f7533 | 2016-09-15 00:13:36 -0400 | [diff] [blame] | 75 | 2016-09-15 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 76 | |
| 77 | * src/smooth/ftgrays.c (gray_sweep): Remove check for empty table. |
| 78 | |
Alexei Podtelezhnikov | ad47550 | 2016-09-14 23:15:03 -0400 | [diff] [blame] | 79 | 2016-09-14 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 80 | |
| 81 | [smooth] Another tiny speed-up. |
| 82 | |
| 83 | * src/smooth/ftgrays.c (gray_find_cell): Merge into... |
| 84 | (gray_record_cell): ... this function. |
| 85 | |
Alexei Podtelezhnikov | 6ca54c6 | 2016-09-11 16:00:52 -0400 | [diff] [blame] | 86 | 2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 87 | |
Alexei Podtelezhnikov | c38be52 | 2016-09-11 22:44:44 -0400 | [diff] [blame] | 88 | * src/smooth/ftgrays.c (gray_{find,set}_cell): Remove dubious code. |
| 89 | |
| 90 | 2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 91 | |
Alexei Podtelezhnikov | 6ca54c6 | 2016-09-11 16:00:52 -0400 | [diff] [blame] | 92 | [smooth] Fix valgrind warning and reoptimize. |
| 93 | |
| 94 | The algorithm calls `gray_set_cell' at the start of each new contour |
| 95 | or when the contours cross the cell boundaries. Double-checking for |
| 96 | that is wasteful. |
| 97 | |
| 98 | * src/smooth/ftgrays.c (gray_set_cell): Remove check for a new cell. |
| 99 | (gray_convert_glyph): Remove initialization introduced by 44b172e88. |
| 100 | |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 101 | 2016-09-10 Werner Lemberg <wl@gnu.org> |
| 102 | |
| 103 | [sfnt] Fix previous commit. |
| 104 | |
| 105 | Problems reported as |
| 106 | |
| 107 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40 |
| 108 | |
| 109 | We now map the strike index right before accessing the physical |
| 110 | data, not earlier. |
| 111 | |
| 112 | * src/sfnt/sfobjs.c (sfnt_load_face): Set `face->sbit_strike_map' |
| 113 | after creating the map so that... |
| 114 | |
| 115 | * src/sfnt/ttsbit.c (tt_face_load_strike_metrics): ... this function |
| 116 | can be used before and after setting up `sbit_strike_map'. |
| 117 | (tt_face_set_sbit_strike): Revert change. |
| 118 | (tt_sbit_decoder_init, tt_face_load_sbix_image): Map strike index. |
| 119 | |
| 120 | * src/truetype/ttdriver.c (tt_size_select): Revert change. |
| 121 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 122 | 2016-09-09 Werner Lemberg <wl@gnu.org> |
| 123 | |
Werner Lemberg | deb2615 | 2016-09-09 22:13:33 +0200 | [diff] [blame] | 124 | [ftfuzzer] Minor improvements. |
| 125 | |
| 126 | * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Ignore |
| 127 | invalid strikes. |
| 128 | Use better values for call to `FT_Set_Char_Size'. |
| 129 | |
| 130 | 2016-09-09 Werner Lemberg <wl@gnu.org> |
| 131 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 132 | [sfnt] Don't provide (completely) broken strike data. |
| 133 | |
| 134 | FreeType tries to sanitize strike header data; we now reject |
| 135 | completely broken ones. |
| 136 | |
| 137 | * include/freetype/internal/tttypes.h (TT_FaceRec): New |
| 138 | `sbit_strike_map' array pointer. |
| 139 | |
| 140 | * src/base/ftobjs.c (FT_Match_Size): Reject matches where either |
| 141 | width or height would be zero. |
| 142 | Add tracing message in case of error. |
| 143 | |
| 144 | * src/sfnt/sfobjs.c (sfnt_load_face): Populate `sbit_strike_map', |
| 145 | only using (more or less) valid strike header data for |
| 146 | FT_Face's `available_sizes' array. |
| 147 | (sfnt_done_face): Updated. |
| 148 | |
| 149 | * src/sfnt/ttsbit.c (tt_face_set_sbit_strike): Use |
| 150 | `sbit_strike_map'. |
| 151 | (tt_face_load_strike_metrics): Improve tracing. |
| 152 | |
| 153 | * src/truetype/ttdriver.c (tt_size_select): Use `sbit_strike_map'. |
| 154 | |
Werner Lemberg | 9749f26 | 2016-09-08 07:51:03 +0200 | [diff] [blame] | 155 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 156 | |
Werner Lemberg | d2d5968 | 2016-09-08 09:04:32 +0200 | [diff] [blame] | 157 | * Version 2.7 released. |
| 158 | ======================= |
| 159 | |
| 160 | |
| 161 | Tag sources with `VER-2-7'. |
| 162 | |
| 163 | * docs/VERSION.TXT: Add entry for version 2.7. |
| 164 | |
| 165 | * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, |
| 166 | builds/windows/vc2005/index.html, |
| 167 | builds/windows/vc2008/freetype.vcproj, |
| 168 | builds/windows/vc2008/index.html, |
| 169 | builds/windows/vc2010/freetype.vcxproj, |
| 170 | builds/windows/vc2010/index.html, |
| 171 | builds/windows/visualc/freetype.dsp, |
| 172 | builds/windows/visualc/freetype.vcproj, |
| 173 | builds/windows/visualc/index.html, |
| 174 | builds/windows/visualce/freetype.dsp, |
| 175 | builds/windows/visualce/freetype.vcproj, |
| 176 | builds/windows/visualce/index.html, |
| 177 | builds/wince/vc2005-ce/freetype.vcproj, |
| 178 | builds/wince/vc2005-ce/index.html, |
| 179 | builds/wince/vc2008-ce/freetype.vcproj, |
| 180 | builds/wince/vc2008-ce/index.html: s/2.6.5/2.7/, s/265/27/. |
| 181 | |
| 182 | * include/freetype/freetype.h (FREETYPE_MINOR): Set to 7. |
| 183 | (FREETYPE_PATCH): Set to 0. |
| 184 | |
| 185 | * builds/unix/configure.raw (version_info): Set to 18:6:12. |
| 186 | * CMakeLists.txt (VERSION_MINOR): Set to 7. |
| 187 | (VERSION_PATCH): Set to 0. |
| 188 | |
| 189 | * docs/CHANGES: Updated. |
| 190 | |
| 191 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 192 | |
Werner Lemberg | b1e7b68 | 2016-09-08 08:56:34 +0200 | [diff] [blame] | 193 | * src/truetype/ttinterp.c: Include `ttgxvar.h'. |
| 194 | |
| 195 | This fixes the `multi' build. |
| 196 | |
| 197 | 2016-09-08 Werner Lemberg <wl@gnu.org> |
| 198 | |
Werner Lemberg | 9749f26 | 2016-09-08 07:51:03 +0200 | [diff] [blame] | 199 | [autofit] Another improvement to Armenian support. |
| 200 | |
| 201 | Suggested by Hrant H Papazian <hpapazian@gmail.com>. |
| 202 | |
| 203 | * src/autofit/afscript.h: Use better suited characters to derive |
| 204 | default stem widths. |
| 205 | |
Alexei Podtelezhnikov | a0b92bc | 2016-09-07 23:19:57 -0400 | [diff] [blame] | 206 | 2016-09-07 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 207 | |
| 208 | * src/smooth/ftgrays.c (gray_hline): Microptimize. |
| 209 | |
Alexei Podtelezhnikov | 44b172e | 2016-09-06 23:24:17 -0400 | [diff] [blame] | 210 | 2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 211 | |
Alexei Podtelezhnikov | 9d0a3bd | 2016-09-06 23:59:33 -0400 | [diff] [blame] | 212 | [smooth] Operate in absolute bitmap coordinates. |
| 213 | |
| 214 | Simpler bitmap addressing improves performance by 1.5%. |
| 215 | |
| 216 | * src/smooth/ftgrays.c (gray_TWorker): Remove count fields. |
| 217 | (gray_dump_cells, gray_find_cell, gray_set_cell, gray_hline, |
| 218 | gray_sweep, gray_convert_glyph, gray_raster_render): Updated. |
| 219 | |
| 220 | 2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 221 | |
Alexei Podtelezhnikov | 44b172e | 2016-09-06 23:24:17 -0400 | [diff] [blame] | 222 | [smooth] Improve contour start (take 2). |
| 223 | |
| 224 | * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly |
| 225 | instead of... |
| 226 | (gray_start_cell): ... this function, which is removed. |
| 227 | (gray_convert_glyph): Make initial y-coordinate invalid. |
| 228 | |
Werner Lemberg | ebbb8b2 | 2016-09-06 16:28:57 +0200 | [diff] [blame] | 229 | 2016-09-06 Werner Lemberg <wl@gnu.org> |
| 230 | |
| 231 | [type1] MM fonts support exactly zero named instances (#48748). |
| 232 | |
| 233 | * src/type1/t1load.c (T1_Get_MM_Var): Set `num_namedstyles' to zero. |
| 234 | |
Jonathan Kew | a15133e | 2016-09-06 06:33:36 +0200 | [diff] [blame] | 235 | 2016-09-06 Jonathan Kew <jfkthame@gmail.com> |
| 236 | |
| 237 | [cff] Fix uninitialized memory. |
| 238 | |
| 239 | Problem reported as |
| 240 | |
| 241 | https://bugzilla.mozilla.org/show_bug.cgi?id=1270288 |
| 242 | |
| 243 | * src/cff/cf2interp.c (cf2_interpT2CharString): Initialize `storage' |
| 244 | array to handle a `get' opcode without a previous `put'. |
| 245 | |
Alexei Podtelezhnikov | 7effc27 | 2016-09-05 21:58:56 -0400 | [diff] [blame] | 246 | 2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 247 | |
Alexei Podtelezhnikov | 9773d5f | 2016-09-05 23:33:35 -0400 | [diff] [blame] | 248 | * src/smooth/ftgrays.c (gray_move_to, gray_start_cell): Revert. |
| 249 | |
| 250 | 2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 251 | |
Alexei Podtelezhnikov | 7effc27 | 2016-09-05 21:58:56 -0400 | [diff] [blame] | 252 | [smooth] Improve contour start. |
| 253 | |
| 254 | * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly |
| 255 | instead of... |
| 256 | (gray_start_cell): ... this function, which is removed. |
| 257 | |
Werner Lemberg | c9adf1a | 2016-09-05 07:32:37 +0200 | [diff] [blame] | 258 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 259 | |
Werner Lemberg | 3ebfe3c | 2016-09-05 10:55:07 +0200 | [diff] [blame] | 260 | [cff] Fix memory initialization. |
| 261 | |
| 262 | * src/cff/cf2stack.c (cf2_stack_init): Use `FT_NEW'. The `Q' |
| 263 | variants of FreeType's memory allocation macros don't do zeroing. |
| 264 | |
| 265 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 266 | |
Werner Lemberg | 1c8bb63 | 2016-09-05 08:13:42 +0200 | [diff] [blame] | 267 | [ftrandom] Minor improvements. |
| 268 | |
| 269 | * src/tools/ftrandom/ftrandom.c (_XOPEN_SOURCE): New macro, set to |
| 270 | 500. |
| 271 | |
| 272 | * src/tools/ftrandom/Makefile (CFLAGS): Split off include |
| 273 | directories to ... |
| 274 | (INCLUDES): ... this new variable. |
| 275 | (LDFLAGS): New variable. |
| 276 | (ftrandom.o, ftrandom): Updated. |
| 277 | |
| 278 | 2016-09-05 Werner Lemberg <wl@gnu.org> |
| 279 | |
Werner Lemberg | c9adf1a | 2016-09-05 07:32:37 +0200 | [diff] [blame] | 280 | [autofit] Improve Armenian support. |
| 281 | |
| 282 | Thanks to Hrant H Papazian <hpapazian@gmail.com> for help. |
| 283 | |
| 284 | * src/autofit/afblue.dat (AF_BLUE_STRING_ARMENIAN_*): Improve |
| 285 | selection of characters. |
| 286 | |
| 287 | * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. |
| 288 | |
Werner Lemberg | 4b28f6a | 2016-09-04 19:05:45 +0200 | [diff] [blame] | 289 | 2016-09-04 Werner Lemberg <wl@gnu.org> |
| 290 | |
| 291 | [ftrandom] Improve Makefile. |
| 292 | |
| 293 | It now supports both a normal build (`./configure && make') and a |
| 294 | development build (`make devel'). |
| 295 | |
| 296 | * src/tools/ftrandom/Makefile (VPATH): Set it so that |
| 297 | `libfreetype.a' gets searched in both `objs' (for the development |
| 298 | build) and `objs/.libs' (for a normal build which uses libtool). |
| 299 | (LIBS): Add missing libraries. |
| 300 | (ftrandom.o): New rule. |
| 301 | (ftrandom): Use automatic variables. |
| 302 | |
Werner Lemberg | f0fa7a6 | 2016-09-03 06:33:36 +0200 | [diff] [blame] | 303 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 304 | |
Werner Lemberg | 4e659d7 | 2016-09-03 18:14:00 +0200 | [diff] [blame] | 305 | [truetype] More fixes for handling of GX deltas. |
| 306 | |
| 307 | Problems reported by Bob Taylor <Bob.Taylor@monotype.com>. |
| 308 | |
| 309 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix rough |
| 310 | sanity test for glyph variation array header size. |
| 311 | Always set stream position before reading packed x and y deltas. |
| 312 | Fix thinko w.r.t. `localpoints' array. |
| 313 | |
| 314 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 315 | |
Werner Lemberg | ca8e98d | 2016-09-03 13:06:16 +0200 | [diff] [blame] | 316 | [ftrandom] Various fixes. |
| 317 | |
| 318 | * src/tools/ftrandom/ftrandom.c (GOOD_FONTS_DIR): Provide better |
| 319 | default. |
| 320 | (error_fraction): Make it of type `double' to work as advertized – |
| 321 | this was completely broken. |
| 322 | Update all related code. |
| 323 | (error_count, fcnt): Make it unsigned to fix compiler warnings. |
| 324 | Update all related code. |
| 325 | (fontlist): Change `len' member to `long' to fix compiler warnings. |
| 326 | (FT_MoveTo, FT_LineTo, FT_ConicTo, FT_CubicTo, abort_test): Tag |
| 327 | unused variables. |
| 328 | (TestFace, FindFonts, copyfont, do_test): Fix compiler warnings. |
| 329 | (ExecuteTest): Ditto. |
| 330 | Call `FT_Done_FreeType'. |
| 331 | (getErrorCnt): Replace `ceil' with an ordinary cast to `unsigned |
| 332 | int'. |
| 333 | (usage): Improve output. |
| 334 | (main): Fix compiler warnings. |
| 335 | |
| 336 | * src/tools/ftrandom/README: Updated. |
| 337 | |
| 338 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 339 | |
Werner Lemberg | b98dfda | 2016-09-03 08:20:31 +0200 | [diff] [blame] | 340 | [base] Avoid negative bitmap stroke dimensions (#48985). |
| 341 | |
| 342 | * src/base/ftobjs.c (FT_Open_Face): Check whether negation was |
| 343 | actually successful. For example, this can fail for value |
| 344 | -32768 if the type is `signed short'. If there are problems, |
| 345 | disable the stroke. |
| 346 | |
| 347 | 2016-09-03 Werner Lemberg <wl@gnu.org> |
| 348 | |
Werner Lemberg | f0fa7a6 | 2016-09-03 06:33:36 +0200 | [diff] [blame] | 349 | [cff] Avoid null pointer passed to FT_MEM_COPY (#48984). |
| 350 | |
| 351 | * src/cff/cffload.c (cff_index_get_name): Check `byte_len'. |
| 352 | |
Werner Lemberg | d8ef726 | 2016-09-02 23:27:50 +0200 | [diff] [blame] | 353 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 354 | |
Werner Lemberg | d87bb91 | 2016-09-02 23:56:27 +0200 | [diff] [blame] | 355 | [unix] Enable 64bit support in file system access (#48962). |
| 356 | |
| 357 | * builds/unix/configure.raw: Call `AC_SYS_LARGEFILE'. |
| 358 | |
| 359 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 360 | |
Werner Lemberg | d8ef726 | 2016-09-02 23:27:50 +0200 | [diff] [blame] | 361 | [sfnt] Avoid left shift of negative value (#48980). |
| 362 | |
| 363 | * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Use unsigned |
| 364 | constant. |
| 365 | |
| 366 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
Werner Lemberg | 16583cc | 2016-09-02 22:45:14 +0200 | [diff] [blame] | 367 | |
| 368 | * src/smooth/ftgrays.c (gray_hline): Fix clang compiler warnings. |
| 369 | |
Werner Lemberg | 7a13dc0 | 2016-09-02 08:24:01 +0200 | [diff] [blame] | 370 | 2016-09-02 Werner Lemberg <wl@gnu.org> |
| 371 | |
| 372 | Some preparations for the next release. |
| 373 | |
| 374 | * include/freetype/config/ftoption.h |
| 375 | (TT_CONFIG_OPTION_SUBPIXEL_HINTING): Enable. |
| 376 | |
| 377 | * docs/CHANGES: Updated. |
| 378 | |
Alexei Podtelezhnikov | 11d3336 | 2016-09-01 22:56:24 -0400 | [diff] [blame] | 379 | 2016-09-01 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 380 | |
| 381 | [smooth] Simplify span rendering more. |
| 382 | |
| 383 | It turns out that there is significant cost associated with `FT_Span' |
| 384 | creation and calls to `gray_render_span' because it happerns so |
| 385 | frequently. This removes these steps from our internal use but leaves |
| 386 | it alone for `FT_RASTER_FLAG_DIRECT" to preserve API. The speed gain |
| 387 | is about 5%. |
| 388 | |
| 389 | * src/smooth/ftgrays.c (gray_render_span): Removed. The code is |
| 390 | migrated to... |
| 391 | (gray_hline): ... here. |
| 392 | |
Alexei Podtelezhnikov | f44ddfd | 2016-08-30 23:21:23 -0400 | [diff] [blame] | 393 | 2016-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 394 | |
| 395 | [smooth] Streamline pixmap drawing a bit more. |
| 396 | |
| 397 | Zero coverage is unlikely (1 out of 256) to warrant checking. This |
Alexei Podtelezhnikov | 11d3336 | 2016-09-01 22:56:24 -0400 | [diff] [blame] | 398 | gives 0.5% speed improvement in rendering simple glyphs. |
Alexei Podtelezhnikov | f44ddfd | 2016-08-30 23:21:23 -0400 | [diff] [blame] | 399 | |
| 400 | * src/smooth/ftgrays.c (gray_hline, gray_render_span): Remove checks. |
| 401 | |
Alexei Podtelezhnikov | e73055c | 2016-08-29 23:15:35 -0400 | [diff] [blame] | 402 | 2016-08-29 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 403 | |
| 404 | [smooth] Streamline pixmap drawing. |
| 405 | |
| 406 | This gives 2% speed improvement in rendering simple glyphs. |
| 407 | |
| 408 | * src/smooth/ftgrays.c (TPixmap): Reduced pixmap descriptor with a |
| 409 | pointer to its bottom-left and pitch to be used in... |
| 410 | (gray_TWorker): ... here. |
| 411 | (gray_render_span): Move pixmap flow check from here... |
| 412 | (gray_raster_render): .. to here. |
| 413 | |
Alexei Podtelezhnikov | 4d3f7ca | 2016-08-27 23:25:54 -0400 | [diff] [blame] | 414 | 2016-08-27 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 415 | |
| 416 | [smooth] Reduce stack of band boundaries. |
| 417 | |
| 418 | * src/smooth/ftgrays.c (gray_TBand): Removed. |
| 419 | (gray_convert_glyph): Updated to stack band boundaries concisely. |
| 420 | |
Werner Lemberg | f3e71ba | 2016-08-26 10:31:30 +0200 | [diff] [blame] | 421 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 422 | |
Werner Lemberg | 57aa839 | 2016-08-26 11:59:50 +0200 | [diff] [blame] | 423 | * src/cid/cidload.c (cid_face_open): Improve handling of `SDBytes'. |
| 424 | |
| 425 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 426 | |
Werner Lemberg | 3c61a2f | 2016-08-26 11:50:09 +0200 | [diff] [blame] | 427 | [cid] Fix commit from 2016-05-16. |
| 428 | |
| 429 | * src/cid/cidparse.c (cid_parser_new): Fix off-by-one errors. |
| 430 | |
| 431 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 432 | |
Werner Lemberg | f3e71ba | 2016-08-26 10:31:30 +0200 | [diff] [blame] | 433 | [sfnt] Cache offset and size to bitmap data table. |
| 434 | |
| 435 | This commit avoids `EBDT' and friends being looked up again and |
| 436 | again while loading a single embedded bitmap. |
| 437 | |
| 438 | * include/freetype/internal/tttypes.h (TT_FaceRec) |
| 439 | [TT_CONFIG_OPTION_EMBEDDED_BITMAPS]: New fields `ebdt_start' and |
| 440 | `ebdt_size'. |
| 441 | |
| 442 | * src/sfnt/ttsbit.c (tt_sbit_decoder_init): Move table lookup to ... |
| 443 | (tt_face_load_sbit): ... this function; also store the table size |
| 444 | and offset. |
| 445 | |
Alexei Podtelezhnikov | 9a444f0 | 2016-08-25 22:36:01 -0400 | [diff] [blame] | 446 | 2016-08-26 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 447 | |
| 448 | * src/smooth/ftgrays.c (gray_raster_render): Minor tweaks. |
| 449 | |
Werner Lemberg | a660e3d | 2016-08-26 00:23:27 +0200 | [diff] [blame] | 450 | 2016-08-26 Werner Lemberg <wl@gnu.org> |
| 451 | |
| 452 | [type1] Fix heap buffer overflow. |
| 453 | |
| 454 | Reported as |
| 455 | |
| 456 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36 |
| 457 | |
| 458 | * src/type1/t1load.c (parse_charstrings): Reject fonts that don't |
| 459 | contain glyph names. |
| 460 | |
Werner Lemberg | 327f2e3 | 2016-08-25 12:46:08 +0200 | [diff] [blame] | 461 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 462 | |
Werner Lemberg | 69ce973 | 2016-08-25 19:49:52 +0200 | [diff] [blame] | 463 | [sfnt] Fix previous commit (#48901). |
| 464 | |
| 465 | * src/sfnt/ttcmap.c (tt_cmap4_char_map_binary): Thinkos. |
| 466 | |
| 467 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 468 | |
Werner Lemberg | acd1879 | 2016-08-25 17:12:46 +0200 | [diff] [blame] | 469 | [sfnt] Speed up handling of invalid format 4 cmaps. |
| 470 | |
| 471 | * src/sfnt/ttcmap.c (tt_cmap4_next, tt_cmap4_char_map_binary): Add |
| 472 | tests for `num_glyph' from `tt_cmap4_char_map_linear'. |
| 473 | |
| 474 | 2016-08-25 Werner Lemberg <wl@gnu.org> |
| 475 | |
Werner Lemberg | 327f2e3 | 2016-08-25 12:46:08 +0200 | [diff] [blame] | 476 | * include/freetype/internal/ftdriver.h: Remove unused typedefs. |
| 477 | |
Alexei Podtelezhnikov | cb43887 | 2016-08-22 23:06:45 -0400 | [diff] [blame] | 478 | 2016-08-22 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 479 | |
| 480 | [smooth] Simplify span rendering. |
| 481 | |
| 482 | This removes unnecessary complexity of span merging and buffering. |
| 483 | Instead, the spans are rendered as they come, speeding up the |
Alexei Podtelezhnikov | 9a444f0 | 2016-08-25 22:36:01 -0400 | [diff] [blame] | 484 | rendering by about 5% as a result. |
Alexei Podtelezhnikov | cb43887 | 2016-08-22 23:06:45 -0400 | [diff] [blame] | 485 | |
| 486 | * src/smooth/ftgrays.c [FT_MAX_GRAY_SPANS]: Macro removed. |
| 487 | (gray_TWorker): Remove span buffer and related fields. |
| 488 | (gray_sweep, gray_hline): Updated. |
| 489 | |
| 490 | * include/freetype/ftimage.h: Remove documentation note about |
| 491 | `FT_MAX_GRAY_SPANS', which was never in `ftoption.h' and is now gone. |
| 492 | |
Werner Lemberg | cf4224a | 2016-08-16 06:44:23 +0200 | [diff] [blame] | 493 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 494 | |
Werner Lemberg | a4c2a31 | 2016-08-22 19:32:34 +0200 | [diff] [blame] | 495 | [truetype] Fix `MPS' instruction. |
| 496 | |
| 497 | According to Greg Hitchcock, MPS in DWrite really returns the point |
| 498 | size. |
| 499 | |
| 500 | * src/truetype/ttobjs.h (TT_SizeRec): Add `point_size' member. |
| 501 | |
| 502 | * src/truetype/ttdriver.c (tt_size_request): Set `point_size'. |
| 503 | |
| 504 | * src/truetype/ttinterp.h (TT_ExecContextRec): Add `pointSize' |
| 505 | member. |
| 506 | |
| 507 | * src/truetype/ttinterp.c (TT_Load_Context): Updated. |
| 508 | (Ins_MPS): Fix instruction. |
| 509 | |
| 510 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 511 | |
Werner Lemberg | 8521ad9 | 2016-08-16 13:44:38 +0200 | [diff] [blame] | 512 | [lzw] Optimize last commit. |
| 513 | |
| 514 | * src/lzw/ftzopen.c (ft_lzwstate_get_code): Move check into |
| 515 | conditional clause. |
| 516 | |
| 517 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 518 | |
Werner Lemberg | 548f68d | 2016-08-16 09:46:40 +0200 | [diff] [blame] | 519 | [lzw] Avoid invalid left shift. |
| 520 | |
Werner Lemberg | 6df6833 | 2016-08-16 09:50:07 +0200 | [diff] [blame] | 521 | Reported as |
| 522 | |
| 523 | https://bugzilla.mozilla.org/show_bug.cgi?id=1295366 |
| 524 | |
Werner Lemberg | 548f68d | 2016-08-16 09:46:40 +0200 | [diff] [blame] | 525 | * src/lzw/ftzopen.c (ft_lzwstate_get_code): Limit `num_bits'. |
| 526 | |
| 527 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 528 | |
Werner Lemberg | 8d7b919 | 2016-08-16 08:07:58 +0200 | [diff] [blame] | 529 | [lzw] Avoid buffer overrun. |
| 530 | |
| 531 | Reported as |
| 532 | |
| 533 | https://bugzilla.mozilla.org/show_bug.cgi?id=1273283 |
| 534 | |
| 535 | * src/lzw/ftzopen.c (ft_lzwstate_refill): Ensure `buf_size' doesn't |
| 536 | underflow. |
| 537 | |
| 538 | 2016-08-16 Werner Lemberg <wl@gnu.org> |
| 539 | |
Werner Lemberg | cf4224a | 2016-08-16 06:44:23 +0200 | [diff] [blame] | 540 | [truetype] Fix compiler warning. |
| 541 | |
| 542 | * src/truetype/ttgload.c (load_truetype_glyph): Add cast. |
| 543 | |
Werner Lemberg | 248f562 | 2016-08-13 06:53:53 +0200 | [diff] [blame] | 544 | 2016-08-13 Werner Lemberg <wl@gnu.org> |
| 545 | |
| 546 | [winfonts] Avoid zero bitmap width and height. |
| 547 | |
| 548 | Reported as |
| 549 | |
| 550 | https://bugzilla.mozilla.org/show_bug.cgi?id=1272173 |
| 551 | |
| 552 | * src/winfonts/winfnt.c (FNT_Face_Init): Check zero pixel height. |
| 553 | (FNT_Load_Glyph): Check for zero pitch. |
| 554 | |
Alexei Podtelezhnikov | dce554b | 2016-08-11 07:29:19 +0200 | [diff] [blame] | 555 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 556 | |
Alexei Podtelezhnikov | 125f2b6 | 2016-08-11 23:40:05 -0400 | [diff] [blame] | 557 | * src/truetype/ttinterp.c (Pop_Push_Count): Revert changes. |
| 558 | |
| 559 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 560 | |
Alexei Podtelezhnikov | 49d474f | 2016-08-11 23:03:09 -0400 | [diff] [blame] | 561 | * src/truetype/ttinterp.c (TT_RunIns): Minor and formatting. |
| 562 | |
| 563 | 2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 564 | |
Alexei Podtelezhnikov | dce554b | 2016-08-11 07:29:19 +0200 | [diff] [blame] | 565 | * src/truetype/ttinterp.c (Pop_Push_Count): Fix some entries. |
| 566 | |
Peter Klotz | 3b37bfc | 2016-08-10 22:38:08 -0400 | [diff] [blame] | 567 | 2016-08-10 Peter Klotz <Peter.Klotz@ith-icoserve.com> |
| 568 | |
| 569 | * src/smooth/ftgrays.c (gray_hline): Fix uninitialized access. |
| 570 | |
Werner Lemberg | 5224aae | 2016-08-10 19:47:29 +0200 | [diff] [blame] | 571 | 2016-08-10 Werner Lemberg <wl@gnu.org> |
| 572 | |
| 573 | [sfnt] Use correct type for `italicAngle' field (#48732). |
| 574 | |
| 575 | * src/sfnt/ttload.c (tt_face_load_post): Fix types. |
| 576 | |
Werner Lemberg | 53059f9 | 2016-08-07 09:01:33 +0200 | [diff] [blame] | 577 | 2016-08-06 Jon Spencer <jon@jonspencer.ca> |
| 578 | |
| 579 | [sfnt] Fix `FT_Get_Advance' for bitmap strikes. |
| 580 | |
| 581 | `FT_Get_Advance' returns 0 for bitmap fonts. It first gets the |
| 582 | advance value from the font table and then scales it by the |
| 583 | `font->size->metrics->x_scale' field. But `FT_Select_Size' doesn't |
| 584 | set that value for bitmap fonts and the advance gets scaled to zero. |
| 585 | |
| 586 | Taken from |
| 587 | |
| 588 | https://github.com/behdad/harfbuzz/issues/252 |
| 589 | |
| 590 | * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) |
| 591 | <TT_SBIT_TABLE_TYPE_EBLC>: Set scale values. |
| 592 | |
| 593 | 2016-08-06 Behdad Esfahbod <behdad@behdad.org> |
Behdad Esfahbod | 8183eeb | 2016-08-06 23:12:55 +0200 | [diff] [blame] | 594 | |
| 595 | [truetype] Fix GX variation handling of composites. |
| 596 | |
| 597 | * src/truetype/ttgload.c (load_truetype_glyph) |
| 598 | [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Check `ARGS_ARE_XY_VALUES' flag. |
| 599 | |
Alexei Podtelezhnikov | 97718f3 | 2016-08-05 23:36:16 -0400 | [diff] [blame] | 600 | 2016-08-05 Alexei Podtelezhnikov <apodtele@gmail.com> |
| 601 | |
| 602 | [smooth] Minor refactoring. |
| 603 | |
| 604 | * src/smooth/ftgrays.c (gray_render_scanline, gray_render_line): |
| 605 | Updated. |
| 606 | |
Werner Lemberg | fae4ec0 | 2016-07-29 06:43:32 +0200 | [diff] [blame] | 607 | 2016-07-29 Werner Lemberg <wl@gnu.org> |
| 608 | |
| 609 | [sfnt, truetype] Don't abort on invalid `maxComponentDepth'. |
| 610 | |
| 611 | Since 2016-05-16 we detect infinite recursion directly. |
| 612 | |
| 613 | * src/sfnt/ttload.c (tt_face_load_maxp): Don't adjust |
| 614 | `maxComponentDepth'. |
| 615 | * src/truetype/ttgload.c (load_truetype_glyph): Don't abort if |
| 616 | `maxComponentDepth' is not valid. Instead, simply adjust its value |
| 617 | and emit a tracing message. |
| 618 | |
Werner Lemberg | d9c7f5a | 2016-07-26 20:20:27 +0200 | [diff] [blame] | 619 | 2016-07-26 Werner Lemberg <wl@gnu.org> |
| 620 | |
| 621 | * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Minor. |
| 622 | |
| 623 | No functional change. |
| 624 | |
Hin-Tak Leung | 3a528bb | 2016-07-22 06:59:36 +0200 | [diff] [blame] | 625 | 2016-07-22 Hin-Tak Leung <htl10@users.sourceforge.net> |
| 626 | |
| 627 | [truetype] Record the end of IDEFs. |
| 628 | |
| 629 | To match the logic in FDEF. The value of the end is only used for |
| 630 | bound-checking in `Ins_JMPR', so it may not have been obvious that |
| 631 | it was not recorded. Tested (as part of Font Validator 2.0) all the |
| 632 | fonts on Fedora and did not see any change. |
| 633 | |
| 634 | * src/truetype/ttinterp.c (Ins_IDEF): Updated. |
| 635 | |
Werner Lemberg | e69f34b | 2016-07-19 07:06:19 +0200 | [diff] [blame] | 636 | 2016-07-19 Werner Lemberg <wl@gnu.org> |
| 637 | |
Werner Lemberg | 7f63105 | 2016-07-19 21:35:58 +0200 | [diff] [blame] | 638 | [truetype] Sanitizer fix, second try. |
| 639 | |
| 640 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary |
| 641 | tests and use only one slot more. |
| 642 | |
| 643 | 2016-07-19 Werner Lemberg <wl@gnu.org> |
| 644 | |
Werner Lemberg | e69f34b | 2016-07-19 07:06:19 +0200 | [diff] [blame] | 645 | [truetype] Sanitizer fix. |
| 646 | |
| 647 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array |
| 648 | to fix nested loops. |
| 649 | |
Werner Lemberg | a3b70d7 | 2016-07-18 06:23:36 +0200 | [diff] [blame] | 650 | 2016-07-18 Werner Lemberg <wl@gnu.org> |
| 651 | |
| 652 | [truetype] Make GETDATA work only for GX fonts. |
| 653 | |
| 654 | * src/truetype/ttinterp.c (opcode_name): Updated. |
| 655 | (Ins_GETDATA): Only define for `TT_CONFIG_OPTION_GX_VAR_SUPPORT'. |
| 656 | (TT_RunIns): Updated. |
| 657 | |
| 658 | 2016-07-17 Werner Lemberg <wl@gnu.org> |
Werner Lemberg | 32a3206 | 2016-07-16 16:39:26 +0200 | [diff] [blame] | 659 | |
Werner Lemberg | 8c93013 | 2016-07-17 22:40:31 +0200 | [diff] [blame] | 660 | [truetype] Add support for Apple's |
| 661 | |
| 662 | GETDATA[], opcode 0x92 |
| 663 | |
| 664 | bytecode instruction. It always returns 17, and we have absolutely |
| 665 | no idea what it is good for... |
| 666 | |
| 667 | * src/truetype/ttinterp.c (Pop_Push_Count, opcode_name): Updated. |
| 668 | (Ins_GETDATA): New function. |
| 669 | (TT_RunIns): Add it. |
| 670 | |
| 671 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 672 | |
Werner Lemberg | e084360 | 2016-07-16 18:46:28 +0200 | [diff] [blame] | 673 | [truetype] Add bytecode support for GX variation fonts. |
| 674 | |
| 675 | This commit implements undocumented (but confirmed) stuff from |
| 676 | Apple's old bytecode engine. |
| 677 | |
| 678 | GETVARIATION[], opcode 0x91 |
| 679 | This opcode pushes normalized variation coordinates for all axes |
| 680 | onto the stack (in 2.14 format). Coordinate of first axis gets |
| 681 | pushed first. |
| 682 | |
| 683 | GETINFO[], selector bit 3 |
| 684 | If GX variation support is enabled, bit 10 of the result is set |
| 685 | to 1. |
| 686 | |
| 687 | * src/truetype/ttinterp.c: Include FT_MULTIPLE_MASTERS_H. |
| 688 | (opcode_name) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated. |
| 689 | (Ins_GETINFO) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle selector |
| 690 | bit 3, checking support for variation glyph hinting. |
| 691 | (Ins_GETVARIATION) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New function |
| 692 | to implement opcode 0x91. |
| 693 | (TT_RunIns) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle opcode 0x91. |
| 694 | |
| 695 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 696 | |
Werner Lemberg | 32a3206 | 2016-07-16 16:39:26 +0200 | [diff] [blame] | 697 | [truetype] Fix GETINFO bytecode instruction. |
| 698 | |
| 699 | * src/truetype/ttinterp.c (Ins_GETINFO): Fix return value for |
| 700 | stretching information. |
| 701 | |
Behdad Esfahbod | 69446dd | 2016-07-16 10:52:38 +0200 | [diff] [blame] | 702 | 2016-07-16 Behdad Esfahbod <behdad@behdad.org> |
| 703 | |
| 704 | [truetype] Make all glyphs in `Zycon' GX font work. |
| 705 | |
| 706 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary |
| 707 | tests. |
| 708 | |
Werner Lemberg | a3b6125 | 2016-07-16 08:16:16 +0200 | [diff] [blame] | 709 | 2016-07-16 Werner Lemberg <wl@gnu.org> |
| 710 | |
| 711 | [truetype] Fix GX delta tracing. |
| 712 | |
| 713 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Trace |
| 714 | relative point movements. |
| 715 | |
| 716 | 2016-07-16 Behdad Esfahbod <behdad@behdad.org> |
Werner Lemberg | f147fb2 | 2016-07-16 07:06:21 +0200 | [diff] [blame] | 717 | |
| 718 | [truetype] More fixes for GX. |
| 719 | |
| 720 | This finally fixes the rendering of the cyclist and the lizard in |
| 721 | the `Zycon' font. |
| 722 | |
| 723 | * src/truetype/ttgxvar.c (ft_var_readpackedpoints): `first' point |
| 724 | index is always cumulative. |
| 725 | |
| 726 | (tt_handle_deltas): Rename to... |
| 727 | (tt_interpolate_deltas): ... This. |
| 728 | Add new parameter for output point array. |
| 729 | Update caller. |
| 730 | |
| 731 | (TT_Vary_Apply_Glyph_Deltas): Add `points_out' array; it now holds |
| 732 | the intermediate results of `tt_interpolate_deltas' that are to be |
| 733 | added to `outline->points'. |
| 734 | |
Werner Lemberg | aafff57 | 2016-07-16 06:41:39 +0200 | [diff] [blame] | 735 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 736 | |
| 737 | * src/autofit/aflatin.c (af_latin_hints_compute_segments): Thinko. |
| 738 | |
| 739 | `max_pos' is always larger than `min_pos' so `FT_ABS' is not needed. |
| 740 | |
| 741 | Reported by Alexei. |
| 742 | |
Nikolaus Waxweiler | 86eb43a | 2016-07-16 06:37:57 +0200 | [diff] [blame] | 743 | 2016-07-16 Nikolaus Waxweiler <madigens@gmail.com> |
| 744 | |
| 745 | * src/truetype/ttinterp.c (Ins_MIRP): Fix copy-and-paste error. |
| 746 | |
| 747 | Problem reported by Hin-Tak Leung. |
| 748 | |
Werner Lemberg | 894c022 | 2016-07-15 10:23:11 +0200 | [diff] [blame] | 749 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 750 | |
Werner Lemberg | 1831e6f | 2016-07-15 10:35:32 +0200 | [diff] [blame] | 751 | [autofit] Update and improve segment and edge tracing. |
| 752 | |
| 753 | * src/autofit/afhints.c (af_glyph_hints_dump_segments): Trace |
| 754 | `delta' also. |
| 755 | Don't show first point of segment as a replacement for `pos'; this |
| 756 | is (a) misleading, since the difference to `pos' can be almost |
| 757 | arbitrarily large in corner cases, and (b) it is better to have all |
| 758 | segment data in font units instead of a single value given in output |
| 759 | space coordinates. |
| 760 | Improve layout. |
| 761 | (af_glyph_hints_dump_edges): Show px->units and units->px conversion |
| 762 | values for convenience. |
| 763 | Improve layout. |
| 764 | |
| 765 | 2016-07-15 Werner Lemberg <wl@gnu.org> |
| 766 | |
Werner Lemberg | 894c022 | 2016-07-15 10:23:11 +0200 | [diff] [blame] | 767 | [autofit] For edges, reject segments wider than 1px (#41334). |
| 768 | |
| 769 | * src/autofit/afhints.h (AF_SegmentRec): New member `delta'. |
| 770 | |
| 771 | * src/autofit/aflatin.c (af_latin_hints_compute_segments): Compute |
| 772 | `delta'. |
| 773 | (af_latin_hints_compute_edges): Reject segments with a delta larger |
| 774 | than 0.5px. |
| 775 | |
Werner Lemberg | 631e218 | 2016-07-14 06:25:05 +0200 | [diff] [blame] | 776 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 777 | |
Werner Lemberg | ff65543 | 2016-07-14 15:01:55 +0200 | [diff] [blame] | 778 | * include/freetype/freetype.h (FT_IS_NAMED_INSTANCE): New macro. |
| 779 | |
| 780 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 781 | |
Werner Lemberg | ee3f36f | 2016-07-14 10:25:20 +0200 | [diff] [blame] | 782 | [sfnt] Fix `face_index' value in `FT_Face' for named instances. |
| 783 | |
| 784 | * src/sfnt/sfobjc.s (sfnt_init_face): Don't strip off higher 16bits. |
| 785 | |
| 786 | 2016-07-14 Werner Lemberg <wl@gnu.org> |
| 787 | |
Werner Lemberg | 631e218 | 2016-07-14 06:25:05 +0200 | [diff] [blame] | 788 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix tracing. |
| 789 | |
Behdad Esfahbod | 0f9ddf2 | 2016-07-14 06:08:39 +0200 | [diff] [blame] | 790 | 2016-07-14 Behdad Esfahbod <behdad@behdad.org> |
| 791 | |
| 792 | [truetype] Fix gxvar delta interpolation. |
| 793 | |
| 794 | The coordinates of the base font should be used for interpolation |
| 795 | purposes, NOT the current points (i.e., the result of accumulation |
| 796 | of previous deltas). |
| 797 | |
| 798 | * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Initialize |
| 799 | `points_org' before looping over all tuples. |
| 800 | |
Werner Lemberg | f6aa089 | 2013-05-10 07:58:47 +0200 | [diff] [blame] | 801 | |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 802 | ---------------------------------------------------------------------------- |
| 803 | |
Werner Lemberg | 8160b20 | 2016-09-08 08:42:10 +0200 | [diff] [blame] | 804 | Copyright 2016 by |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 805 | David Turner, Robert Wilhelm, and Werner Lemberg. |
| 806 | |
| 807 | This file is part of the FreeType project, and may only be used, modified, |
| 808 | and distributed under the terms of the FreeType project license, |
| 809 | LICENSE.TXT. By continuing to use, modify, or distribute this file you |
| 810 | indicate that you have read the license and understand and accept it |
| 811 | fully. |
| 812 | |
| 813 | |
| 814 | Local Variables: |
| 815 | version-control: never |
Werner Lemberg | 4e03fe7 | 2006-04-29 06:20:09 +0000 | [diff] [blame] | 816 | coding: utf-8 |
Werner Lemberg | 8e6c56f | 2005-10-18 06:09:13 +0000 | [diff] [blame] | 817 | End: |