ChangeLog


Log

Author Commit Date CI Message
Werner Lemberg 0ba98da4 2015-10-17T09:11:02 * src/cid/cidgload.c (cid_glyph_load): Check file offsets (#46222).
Werner Lemberg 8edfcbed 2015-10-17T08:11:16 [psaux] Fix heap buffer overflow (#46221). * src/psaux/t1decode.c (t1_decoder_parse_charstring) <operator 12>: Fix limit check.
Werner Lemberg a5ecfb4c 2015-10-17T06:15:55 * src/cid/cidload.c (cid_parse_dict): Handle invalid input (#46220).
Kostya Serebryany 266976b1 2015-10-15T22:15:53 add src/tools/ftfuzzer/README
Bungeman 65d89804 2015-10-15T23:50:16 [bdf] Fix memory leak (#46213). * src/bdf/bdflib.c (bdf_load_font): Always go to label `Fail' in case of error.
Werner Lemberg 24a1fcdf 2015-10-15T21:50:15 [truetype] Add TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES (#46208). * devel/ftoption.h, include/freetype/config/ftoption.h (TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES): New configuration macro. * src/truetype/ttinterp.c (MAX_RUNNABLE_OPCODES): Removed. (TT_RunIns): Updated.
Werner Lemberg 837ad9d4 2015-10-15T21:15:45 * src/truetype/ttinterp.c (TT_RunIns): Fix bytecode stack tracing. The used indices were off by 1.
Werner Lemberg 8b76eaf0 2015-10-15T18:28:43 * src/tools/ftfuzzer/ftfuzzer.cc: Handle fixed sizes (#46211).
Werner Lemberg e03214e1 2015-10-15T16:58:13 [base] Compute MD5 checksums only if explicitly requested. This improves profiling accuracy. * src/base/ftobjs.c (FT_Render_Glyph_Internal): Implement it.
Werner Lemberg 2a20c92c 2015-10-14T15:23:15 [base] Use `FT_' namespace for MD5 functions (#42366). * src/base/ftobjs.c (MD5_*): Define as `FT_MD5_*'. Undefine HAVE_OPENSSL.
Werner Lemberg 8539915d 2015-10-13T20:43:19 [type1] Correctly handle missing MM axis names (#46202). * src/type1/t1load.c (T1_Get_MM_Var): Implement it.
Werner Lemberg 58b61b6e 2015-10-13T18:26:18 [pcf] Quickly exit if font index < 0. Similar to other font formats, this commit makes the parser no longer check the whole PCF file but only the header and the TOC if we just want to get the number of available faces (and a proper recognition of the font format). * src/pcf/pcfdrivr.c (PCF_Face_Init): Updated. Exit quickly if face_index < 0. * src/pcfread.c (pcf_load_font): Add `face_index' argument. Exit quickly if face_index < 0. * src/pcf/pcf.h: Updated.
Werner Lemberg bdb56bba 2015-10-13T11:51:13 [ftfuzzer] Handle TTCs and MM/GX variations. This patch also contains various other improvements. * src/tools/ftfuzzer/ftfuzzer.cc: Add preprocessor guard to reject pre-C++11 compilers. (FT_Global): New class. Use it to provide a global constructor and destructor for the `FT_Library' object. (setIntermediateAxis): New function to select an (arbitrary) instance. (LLVMFuzzerTestOneInput): Loop over all faces and named instances. Also call `FT_Set_Char_Size'.
Werner Lemberg 43a96eb2 2015-10-13T11:18:55 [truetype] Refine some GX sanity tests. Use the `gvar' table size instead of the remaining bytes in the stream. * src/truetype/ttgxvar.h (GX_BlendRec): New field `gvar_size'. * src/truetype/ttgxvar.c (ft_var_load_gvar): Set `gvar_size'. (ft_var_readpackedpoints, ft_var_readpackeddeltas: New argument `size'. (tt_face_vary_cvt, TT_Vary_Apply_Glyph_Deltas): Updated.
Werner Lemberg 052f6c56 2015-10-13T08:24:32 [truetype] Another GX sanity test. * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Check `tupleCount'. Add tracing message.
Werner Lemberg 7ef0d866 2015-10-13T08:14:20 [truetype] Fix memory leak for broken GX fonts (#46188). * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix scope of deallocation.
Werner Lemberg f96094ee 2015-10-13T07:13:56 [truetype] Fix commit from 2015-10-10. * src/truetype/ttgxvar.c (ft_var_load_gvar): Add missing error handling body to condition.
Werner Lemberg b9880aa0 2015-10-12T10:13:26 [unix] Make MKDIR_P actually work. * builds/unix/configure.raw: Fix underquoting of `INSTALL' and `MKDIR_P'. Problem reported by Dan Liddell <lddll@yahoo.com>.
Werner Lemberg 4f7f6f6e 2015-10-11T07:55:25 [sfnt] Improve extraction of number of named instances. * src/sfnt/sfobjs.c (sfnt_init_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Check number of instances against `fvar' table size.
Werner Lemberg a724dcf5 2015-10-11T05:50:07 Split off ChangeLog.25.
Alexei Podtelezhnikov c14ae9c5 2015-10-10T22:28:26 * src/base/ftoutln.c (FT_Outline_Get_Orientation): Fix overflow (#46149).
Werner Lemberg 8de39a79 2015-10-10T13:34:11 [sfnt] Fix infinite loops with broken cmaps (#46167). * src/sfnt/ttcmap.c (tt_cmap8_char_next, tt_cmap12_next): Take care of border condidions (i.e., if the loops exit naturally).
Werner Lemberg da34673e 2015-10-10T10:21:27 [truetype] More sanity tests for GX handling. These tests should mainly help avoid unnecessarily large memory allocations in case of malformed fonts. * src/truetype/ttgxvar.c (ft_var_readpackedpoints, ft_var_readpackeddeltas): Check number of points against stream size. (ft_var_load_avar): Check `pairCount' against table length. (ft_var_load_gvar): Check `globalCoordCount' and `glyphCount' against table length. (tt_face_vary_cvt): Check `tupleCount' and `offsetToData'. Fix trace. (TT_Vary_Apply_Glyph_Deltas): Fix trace. Free `sharedpoints' to avoid memory leak.
Werner Lemberg c220d8b4 2015-10-10T08:13:04 [truetype] Better protection against malformed GX data (#46166). * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Correctly handle empty `localpoints' array.
Werner Lemberg d353f6e0 2015-10-10T06:54:46 * src/pcf/pcfread.c (pcf_read_TOC): Check stream size (#46162).
Werner Lemberg c12956e7 2015-10-09T09:38:32 * src/gzip/ftgzip.c (FT_Stream_OpenGzip): Use real stream size.
Werner Lemberg d98053c9 2015-10-08T23:17:41 [pcf] Protect against invalid number of TOC entries (#46159). * src/pcf/pcfread.c (pcf_read_TOC): Check number of TOC entries against size of data stream.
Werner Lemberg 06c2d332 2015-10-08T21:31:57 [type42] Protect against invalid number of glyphs (#46159). * src/type42/t42parse.c (t42_parse_charstrings): Check number of `CharStrings' dictionary entries against size of data stream.
Werner Lemberg 983b00ec 2015-10-08T18:44:45 [sfnt] Fix some signed overflows (#46149). * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) <TT_SBIT_TABLE_TYPE_SBIX>: Use `FT_MulDiv'.
Werner Lemberg 12112241 2015-10-08T08:55:15 [type1] Protect against invalid number of subroutines (#46150). * src/type1/t1load.c (parse_subrs): Check number of `Subrs' dictionary entries against size of data stream.
Kostya Serebryany dde84f25 2015-10-07T22:18:22 [ftfuzzer] Add support for LLVM's LibFuzzer. * src/tools/ftfuzzer/ftfuzzer.cc, src/tools/runinput.cc: New files.
Alexei Podtelezhnikov 6eb6158d 2015-10-06T22:39:54 [smooth] Faster alternative line renderer. This implementation renders the entire line segment at once without subdividing it into scanlines. The main speed improvement comes from reducing the number of divisions to just two per line segment, which is a bare minimum to calculate cell coverage in a smooth rasterizer. Notably, the progression from cell to cell does not itself require any divisions at all. The speed improvement is more noticeable at larger sizes. * src/smooth/ftgrays.c (gray_render_line): New implementation.
Werner Lemberg 066a4913 2015-10-06T07:55:32 [cff] Return correct PS names from pure CFF (#46130). * src/cff/cffdrivr.c (cff_get_ps_name): Use SFNT service only for SFNT.
Werner Lemberg 30fe5e76 2015-10-04T13:08:08 [base] Replace left shifts with multiplication (#46118). * src/base/ftglyph.c (ft_bitmap_glyph_bbox, FT_Get_Glyph): Do it.
Werner Lemberg 8cabd919 2015-10-04T08:18:01 * Version 2.6.1 released. ========================= Tag sources with `VER-2-6-1'. * docs/VERSION.DLL: Update documentation and bump version number to 2.6.1. * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, builds/windows/vc2005/index.html, builds/windows/vc2008/freetype.vcproj, builds/windows/vc2008/index.html, builds/windows/vc2010/freetype.vcxproj, builds/windows/vc2010/index.html, builds/windows/visualc/freetype.dsp, builds/windows/visualc/freetype.vcproj, builds/windows/visualc/index.html, builds/windows/visualce/freetype.dsp, builds/windows/visualce/freetype.vcproj, builds/windows/visualce/index.html, builds/wince/vc2005-ce/freetype.vcproj, builds/wince/vc2005-ce/index.html, builds/wince/vc2008-ce/freetype.vcproj, builds/wince/vc2008-ce/index.html: s/2.6/2.6.1/, s/26/261/. * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1. * builds/unix/configure.raw (version_info): Set to 18:1:12. * CMakeLists.txt (VERSION_PATCH): Set to 1. * src/autofit/afmodule.c [AF_DEBUG_AUTOFIT]: Ensure C linking for dumping functions.
Werner Lemberg b260dc9f 2015-10-04T07:39:22 [bzip2, gzip] Avoid access of unitialized memory (#46109). * src/bzip2/ftbzip2.c (ft_bzip2_file_fill_input), src/gzip/ftgzip.c (ft_gzip_file_fill_input): In case of an error, adjust the limit to avoid copying uninitialized memory.
Werner Lemberg 53838ce0 2015-10-03T21:12:25 [bzip2, gzip] Avoid access of unitialized memory (#46109). * src/bzip2/ftbzip2.c (ft_bzip2_file_fill_output), src/gzip/ftgzip.c (ft_gzip_file_fill_output): In case of an error, adjust the limit to avoid copying uninitialized memory.
Alexei Podtelezhnikov e2dae8fe 2015-10-01T22:03:34 [smooth] Clean up worker. * src/smooth/ftgrays.c (gray_TWorker): Remove never used fields.
Werner Lemberg 90e437e3 2015-10-01T20:00:27 [sfnt] Make `tt_cmap4_char_map_linear' more robust (#46078). * src/sfnt/ttcmap.c (tt_cmap4_char_map_linear): Take care of border conditions (i.e., if the loop exits naturally).
Werner Lemberg fab67b85 2015-10-01T16:47:05 * src/autofit/afranges.c (af_deva_nonbase_uniranges): Fix ranges. They should be a subset of `af_deva_uniranges'.
Werner Lemberg 5f8f44d2 2015-10-01T14:16:03 [sfnt] Make `tt_cmap4_char_map_linear' faster (#46078). * src/sfnt/ttcmap.c (tt_cmap4_char_map_linear): Use inner loop to reject too large glyph indices.
Alexei Podtelezhnikov 8bbcfb2c 2015-09-30T23:08:53 [smooth] Clean up worker. * src/smooth/ftgrays.c (gray_TWorker): Remove lightly used `last_ey'. (gray_start_cell, gray_render_line): Update.
Werner Lemberg dbd04269 2015-09-30T17:52:42 [autofit] Replace `no-base' with `non-base'. * src/autofit/*: Do it.
Werner Lemberg 2ff83a5c 2015-09-30T14:44:29 [sfnt] Rewrite `tt_cmap4_char_map_linear' (#46078). * src/sfnt/ttcmap.c (tt_cmap4_char_map_linear): Add code to better skip invalid segments. If searching the next character, provide a more efficient logic to speed up the code.
Werner Lemberg 8651f37a 2015-09-30T10:26:10 [truetype] Adjust number of glyphs for malformed `loca' tables. * src/truetype/ttpload.c (tt_face_load_loca): Implement it.
Werner Lemberg 483007fc 2015-09-29T11:22:15 [pshinter] Avoid harmless overflow (#45984). * src/pshinter/pshglob.c (psh_blues_set_zones): Fix it.
Werner Lemberg a3046567 2015-09-28T09:45:56 [autofit] Add support for Lao script. Thanks to Danh Hong <danhhong@gmail.com> for guidance with blue zone characters! * src/autofit/afblue.dat: Add blue zone data for Lao. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Lao standard characters. * src/autofit/afranges.c: Add Lao data. * src/autofit/afstyles.h: Add Lao data.
suzuki toshiya fb5268cf 2015-09-28T02:01:43 [base] Fix a leak by broken sfnt-PS or resource fork (#46028). open_face_from_buffer() frees passed buffer if valid font is not found. But if copying to the buffer is failed, the allocated buffer should be freed within the caller. * src/base/ftobjs.c (open_face_PS_from_sfnt_stream): Free the buffer `sfnt_ps' if an error caused before calling open_face_from_buffer(). (Mac_Read_sfnt_Resource): Free the buffer `sfnt_data' if an error caused before calling open_face_from_buffer();
suzuki toshiya 8a05d250 2015-09-28T01:40:21 [mac] Fix buffer size calculation for LWFN font. * src/base/ftmac.c (read_lwfn): Cast post_size to FT_ULong to prevent confused copy by too large chunk size.
Alexei Podtelezhnikov 3dffe8ef 2015-09-27T11:30:17 Add ChangeLog entry.
Werner Lemberg 19188a9a 2015-09-26T16:57:17 [autofit] Minor tracing improvement. * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Don't emit blue zones header line if there are no blue zones.
Werner Lemberg 41877539 2015-09-26T15:19:54 [bzip2, gzip, lzw] Harmonize function signatures with prototype. Suggested by Hin-Tak Leung. * src/bzip2/ftbzip2.c (ft_bzip2_stream_io), src/gzip/ftgzip.c (ft_gzip_stream_io), src/lzw/ftlzw.c (ft_lzw_stream_io): Do it.
Hin-Tak Leung 265ade8e 2015-09-26T14:51:30 Add new FT_LOAD_COMPUTE_METRICS load flag. * include/freetype/freetype.h (FT_LOAD_COMPUTE_METRICS): New macro. * src/truetype/ttgload.c (compute_glyph_metrics): Usage.
Werner Lemberg d57f2271 2015-09-26T08:44:26 * src/base/ftobjs.c (Mac_Read_sfnt_Resource): Add cast.
Werner Lemberg d7f456ee 2015-09-26T08:37:14 Formatting, minor comment corrections.
Werner Lemberg 2439c515 2015-09-25T16:54:28 [type1] Protect against invalid number of glyphs (#46029). * src/type1/t1load.c (parse_charstrings): Check number of `CharStrings' dictionary entries against size of data stream.
Werner Lemberg 5339c75e 2015-09-24T13:39:44 [sfnt] Better checks for invalid cmaps (2/2) (#46019). While the current code in `FT_Get_Next_Char' correctly rejects out-of-bounds glyph indices, it can be extremely slow for malformed cmaps that use 32bit values. This commit tries to improve that. * src/sfnt/ttcmap.c (tt_cmap8_char_next, tt_cmap12_next, tt_cmap12_char_map_binary, tt_cmap13_next, tt_cmap13_char_map_binary): Reject glyph indices larger than or equal to the number of glyphs.
Werner Lemberg c409eb18 2015-09-24T12:39:38 [base, sfnt] Better checks for invalid cmaps (1/2). * src/base/ftobjs.c (FT_Get_Char_Index): Don't return out-of-bounds glyph indices. (FT_Get_First_Char): Updated. * src/sfnt/ttcmap.c (tt_cmap6_char_next): Don't return character codes greater than 0xFFFF. (tt_cmap8_char_index): Avoid integer overflow in computation of glyph index. (tt_cmap8_char_next): Avoid integer overflows in computation of both next character code and glyph index. (tt_cmap10_char_index): Fix unsigned integer logic. (tt_cmap10_char_next): Avoid integer overflow in computation of next character code. (tt_cmap12_next): Avoid integer overflows in computation of both next character code and glyph index. (tt_cmap12_char_map_binary): Ditto. (tt_cmap12_char_next): Simplify. (tt_cmap13_char_map_binary): Avoid integer overflow in computation of next character code. (tt_cmap13_char_next): Simplify.
suzuki toshiya e982f5b7 2015-09-21T23:07:22 [base] Check too long POST and sfnt resource (#45919). * src/base/ftbase.h (FT_MAC_RFORK_MAX_LEN): Maximum length of the resource fork for Mac OS. The resource fork larger than 16 MB can be written but could not be handled correctly, at least in Carbon routine. See https://support.microsoft.com/en-us/kb/130437 * src/base/ftobjs.c (Mac_Read_POST_Resource): No need `0x' for `%p' formatter. * src/base/ftbase.c (Mac_Read_POST_Resource): Check the fragment and total size of the concatenated POST resource before buffer allocation. (Mac_Read_sfnt_Resource): Check the declared size of sfnt resource before buffer allocation. * src/base/ftmac.c (read_lwfn, FT_New_Face_From_SFNT): Check the total resource size before buffer allocation.
Werner Lemberg 730b6d74 2015-09-19T12:41:12 [sfnt] Improve handling of invalid SFNT table entries (#45987). This patch fixes weaknesses in function `tt_face_load_font_dir'. - It incorrectly assumed that valid tables are always at the beginning. As a consequence, some valid tables after invalid entries (which are ignored) were never seen. - Duplicate table entries (this is, having the same tag) were not rejected. - The number of valid tables was sometimes too large, leading to access of invalid tables. * src/sfnt/ttload.c (check_table_dir): Add argument to return number of valid tables. Add another tracing message. (tt_face_load_font_dir): Only allocate table array for valid entries as returned by `check_table_dir'. Reject duplicate tables and adjust number of valid tables accordingly.
Werner Lemberg cb7a5122 2015-09-19T07:58:03 [pcf] Improve `FT_ABS' fix from 2015-09-17 (#45999). * src/pcf/pcfread.c (pcf_load_font): Do first the cast to FT_Short, then take the absolute value. Also apply FT_ABS to `height'.
Werner Lemberg f28c95c4 2015-09-17T19:30:26 [type42] Fix memory leak (#45989). * src/type42/t42parse.c (t42_parse_charstrings): Allow only a single `CharStrings' array.
Werner Lemberg 4942c2bb 2015-09-17T17:56:53 [psaux] Fix memory leak (#45986). * src/psaux/psobjs.c (ps_parser_load_field) <T1_FIELD_TYPE_MM_BBOX>: Free `temp' in case of error.
Werner Lemberg 7d364b7e 2015-09-17T16:31:58 [psaux] Improve tracing message. * src/psaux/psobjs.c (ps_parser_load_field) <T1_FIELD_TYPE_MM_BBOX>: Handle plural correctly.
Werner Lemberg c838c4f7 2015-09-17T16:22:40 [pcf] Fix integer overflows (#45985). * src/pcf/pcfread.c (pcf_load_font): Use FT_MulDiv.
Werner Lemberg 9db9adda 2015-09-17T13:42:59 [pcf] Use FT_ABS for some property values (#45893). * src/pcf/pcfread.c (pcf_load_font): Take absolute values for AVERAGE_WIDTH, POINT_SIZE, PIXEL_SIZE, RESOLUTION_X, and RESOLUTION_Y. In tracing mode, add warnings.
Werner Lemberg bd0438a4 2015-09-16T18:05:43 Minor fixes for some clang warnings. * src/base/ftoutln.c (FT_Outline_EmboldenXY): Cast, possible missing initialization. * src/truetype/ttgload.c (TT_Process_Composite_Component): Cast.
Werner Lemberg 19cb1127 2015-09-15T08:52:36 [type1, type42] Fix memory leaks (#45966). * src/type1/t1load.c (parse_blend_axis_types): Handle multiple axis names. (parse_blend_design_map): Allow only a single design map. (parse_encoding): Handle multiple encoding vectors. * src/type42/t42parse.c (t42_parse_encoding): Handle multiple encoding vectors.
Werner Lemberg 7f0f4011 2015-09-15T07:23:53 [truetype] Fix integer type (#45965). * src/truetype/ttobjs.c (tt_synth_sfnt_checksum): Implement it.
Werner Lemberg 577daf1c 2015-09-15T07:10:16 * src/pcf/pcfread.c (pcf_load_font): Fix integer overflow (#45964).
Werner Lemberg 581c7e2a 2015-09-15T06:49:06 [type1, type42] Check encoding array size (#45961). * src/type1/t1load.c (parse_encoding), src/type42/t42parse.c (t42_parse_encoding): Do it.
Alexei Podtelezhnikov 3ea0d2c6 2015-09-13T23:19:34 * src/base/ftcalc.c (FT_MulFix) [FT_LONG64]: Improve.
Werner Lemberg 7962a15d 2015-09-14T00:38:26 [type1] Fix another potential buffer overflow (#45955). * src/type1/t1parse (T1_Get_Private_Dict): Assure that check for `eexec' doesn't exceed `limit'.
Werner Lemberg ff7d6404 2015-09-13T23:53:16 Replace `mkinstalldirs' with AC_PROG_MKDIR_P. * builds/unix/mkinstalldirs: Removed, no longer needed. * builds/unix/configure.raw: Call `AC_PROG_MKDIR_P'. Update pwd call for `$INSTALL'. * builds/unix/unix-def.in (MKINSTALLDIRS): Use `@MKDIR_P@'. * autogen.sh: Updated.
Werner Lemberg 3df92aa0 2015-09-13T09:21:52 [winfonts] Check alignment shift count for resource data (#45938). * src/winfonts/winfnt.c (fnt_face_get_dll_font): Implement it.
Werner Lemberg e3058617 2015-09-13T08:41:43 [type1] Fix potential buffer overflow (#45923). * src/type1/t1parse.c (T1_Get_Private_Dict): Assure `cur' doesn't point to end of file buffer.
Werner Lemberg e40e8b33 2015-09-13T08:05:50 [gzip] Fix access of small compressed files (#45937). * src/gzip/ftgzip.c (ft_gzip_stream_close): Avoid memory leak. (ft_gzip_get_uncompressed_file): Correct byte order while reading unsigned long value. Without this change, the whole optimization of accessing small files in `FT_Stream_OpenGzip' is never executed! As a consequence, access to PCF files in general (which are normally small files) should be much improved now as originally intended.
Werner Lemberg db5a4a9a 2015-09-12T08:32:55 [psaux] Fix potential buffer overflow (#45922). * src/psaux/psobjs.c (ps_parser_skip_PS_token): If a token is enclosed in balanced expressions, ensure that the cursor position doesn't get larger than the current limit.
Werner Lemberg 19b82cfb 2015-09-11T20:25:32 [base] Avoid crash while tracing `load_mac_face'. Reported in Savannah bug #45919. * src/base/ftobjs.c (load_mac_face): Honour FT_OPEN_MEMORY while tracing.
Werner Lemberg 23423bc6 2015-09-11T08:28:27 [type42] Fix endless loop (#45920). * src/type42/t42parse.c (t42_parse_encoding): Synchronize with type1's `parse_encoding'.
Werner Lemberg e5a27a75 2015-09-10T07:44:11 [docmaker] Allow `-' in bold and italic markup. * src/tools/docmaker/sources.py (re_italic, re_bold): Adjust accordingly.
Alexei Podtelezhnikov 09948e42 2015-09-09T21:30:15 * src/base/ftcalc.c (FT_RoundFix): Improve.
Wojciech Mamrak 822acb02 2015-09-09T07:59:10 * src/base/ftcalc.c (FT_CeilFix, FT_FloorFix): Normalize. This commit makes the functions behave as expected, this is, rounding towards plus or minus infinity.
Alexei Podtelezhnikov b002f688 2015-09-07T13:47:36 * src/smooth/ftgrays.c (gray_render_line): Simplify clipping.
Alexei Podtelezhnikov 5a6dc872 2015-09-04T23:14:46 [raster,smooth] Microoptimizations. * src/raster/ftraster.c (Insert_Y_Turn, Finalize_Profile_Table, Beziier_Up, ): Use do-while loops. * src/smooth/ftgrays.c (gray_render_scanline, gray_render_line, gray_convert_glyph): Ditto.
Werner Lemberg d3cba0ed 2015-09-04T10:28:53 [autofit] Redesign code ranges (2/2). This commit adds two fallback scripts (`latb', `latp') and implements support for the no-base character ranges introduced in the previous commit. * src/autofit/aftypes.h (AF_ScriptClassRec): Add `script_uni_nobase_ranges' field. (AF_DEFINE_SCRIPT_CLASS): Updated. * src/autofit/afscript.h, src/autofit/afstyles.h: Add `latb' and `latp' fallback scripts. * src/autofit/afblue.dat: Add blue zones for Latin subscript and superscript fallback scripts. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afglobal.h (AF_NOBASE): New style flag for no-base characters. (AF_STYLE_MASK): Updated. * src/autofit/afglobal.c (SCRIPT): Updated. (af_face_globals_compute_style_coverage): Handle new style flag. * src/autofit/aflatin.c (af_latin_hints_apply): Handle new style flag. * src/autofit/afranges.h (SCRIPT): Use it to export no-base ranges.
Werner Lemberg 696b7126 2015-09-04T10:10:59 [autofit] Redesign code ranges (1/2). This patch introduces auxiliary code ranges that identify no-base characters; they refer to glyphs of a script that should be hinted without alignments to blue zones (mostly diacritics). It also splits off ranges for fallback scripts that handle subscript and superscript characters not covered by OpenType features. For example, this greatly helps improve the hinting of various phonetic alphabets, which contain a large amount characters that look like superscript glyphs. Finally, code ranges are updated to Unicode 8.0, and enclosed characters are removed in general since they normally look better if they stay unhinted. * src/autofit/afranges.c (af_latn_uniranges): Updated to Unicode 8.0. Split off superscript-like and subscript-like glyphs into... (af_latb_uniranges, af_latp_uniranges): ... these two new arrays. (af_xxxx_nobase_uniranges): New arrays that hold no-base characters of the corresponding character ranges.
Werner Lemberg 8cbbcf6b 2015-09-03T06:47:30 [autofit] Pass glyph index to hinting function. No functionality change yet. * src/autofit/aftypes.h (AF_WritingSystem_ApplyHintsFunc): Pass glyph index. * src/autofit/afcjk.c, src/autofit/afcjk.h (af_cjk_hints_apply), src/autofit/afdummy.c (af_dummy_hints_apply), src/autofit/afindic.c (af_indic_hints_apply), src/autofit/aflatin.c (af_latin_hints_apply), src/autofit/aflatin2.c (af_latin2_hints_apply), src/autofit/afloader.c (af_loader_load_g): Updated.
Werner Lemberg 40103a3a 2015-08-31T08:51:52 [autofit] Code clean-up. * src/autofit/afglobal.h (AF_STYLE_MASK): New macro. (AF_STYLE_UNASSIGNED): Use AF_STYLE_MASK for definition. * src/autofit/afglobal.c (af_face_globals_compute_style_coverage): Updated.
Werner Lemberg 87c81f04 2015-08-30T10:35:21 [autofit] Make glyph style array use 16bit values. * include/freetype/ftautoh.h (FT_Prop_GlyphToScriptMap): Use `FT_UShort' for `map' field. * src/autofit/afglobal.c (af_face_globals_compute_style_coverage, af_face_globals_new), src/autofit/hbshim.c, src/autofit/hbshim.h (af_get_coverage): Use FT_UShort for `glyph_styles' array. * src/autofit/afglobal.h (AF_STYLE_UNASSIGNED, AF_DIGIT): Extend to 16 bits. (AF_FaceGlobalsRec): Use `FT_UShort' for `glyph_styles' field.
Werner Lemberg 633d8ed2 2015-08-26T06:18:47 * builds/unix/configure.raw: Need harfbuzz >= 0.9.21 (#45828).
Werner Lemberg 78b01403 2015-08-25T07:23:01 [base] Improve kerning tracing and documentation. * src/base/ftobjs.c (FT_Get_Kerning): Emit tracing message if scaled-down kerning values differ.
Werner Lemberg 91d59169 2015-08-18T06:04:36 [raster] Remove last remnants of `raster5' driver. * src/raster/ftrend1.h (ft_raster5_renderer_class): Removed. * src/raster/rastpic.c, src/raster/rastpic.h (ft_raster5_renderer_class_pic_init, ft_raster5_renderer_class_pic_free): Removed.
Alexei Podtelezhnikov a0172d10 2015-08-17T22:58:59 [base] Improve emboldener (#45596). * src/base/ftoutln.c (FT_Outline_EmboldenXY): Correct displacement of zero-lenght segments.
Alexei Podtelezhnikov 815c3246 2015-08-17T21:48:46 Minor.
Alexei Podtelezhnikov 00d89950 2015-08-16T22:57:34 [base] Reoptimize aritmetic. * src/base/ftcalc.c (FT_MulDiv, FT_MulFix) [!FT_LONG64]: Remove special cases that slow down the general use.
pazer f0ed30e6 2015-08-15T06:53:09 Fix C++ compilation (#45762). * src/base/ftstroke.c (ft_outline_glyph_class): Use FT_CALLBACK_TABLE.
Alexei Podtelezhnikov ae258aa0 2015-08-14T23:23:18 [truetype] Clean up. * src/truetype/ttgload.c (TT_Process_Composite_Component): Use `FT_Outline_Transform' and `FT_Outline_Translate'. (translate_array): Dropped.
Werner Lemberg d0d7ee04 2015-08-14T14:30:58 * builds/unix/detect.mk (CONFIG_SHELL): Don't handle it (#44261).
Werner Lemberg 14d6b5d7 2015-08-13T15:22:17 [truetype] Introduce named instance access to GX fonts. For functions querying a face, bits 16-30 of the face index can hold the named instance index if we have a GX font. The indices start with value 1; value 0 indicates font access without GX variation data. * include/freetype/freetype.h (FT_FaceRec): Update documentation. * include/freetype/internal/sfnt.h: Ditto. * src/sfnt/sfobjs.c (sfnt_init_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Get number of named instances and do argument checks. (sfnt_load_face): Updated. * src/truetype/ttobjs.c (tt_face_init) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Use named instance, overwriting the style name. * src/base/ftobjs.c (open_face_from_buffer, open_face_PS_from_sfnt_stream): Updated. * src/bdf/bdfdrivr.c (BDF_Face_Init): Updated. * src/cff/cffload.c (cff_font_load): Updated. * src/cff/cffobjs.c (cff_face_init): Make function exit early for pure CFF fonts if `font_index < 0'. Updated. * src/cid/cidobjs.c (cid_face_init): Updated. * src/pcf/pcfdrivr.c (PCF_Face_Init): Updated. * src/pfr/pfrobjs.c (pfr_face_init): Updated. * src/type1/t1objs.c (T1_Face_Init): Updated. * src/type42/t42objs.c (T42_Face_Init): Updated. * src/winfonts/winfnt.c (fnt_face_get_dll_font, FNT_Face_Init): Updated. * docs/CHANGES: Updated.