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Diffstat (limited to 'freetype/ChangeLog')
| -rw-r--r-- | freetype/ChangeLog | 1959 |
1 files changed, 1958 insertions, 1 deletions
diff --git a/freetype/ChangeLog b/freetype/ChangeLog index ea1eb4acb..809b475f0 100644 --- a/freetype/ChangeLog +++ b/freetype/ChangeLog @@ -1,3 +1,1960 @@ +2014-12-30 Werner Lemberg <wl@gnu.org> + + * Version 2.5.5 released. + ========================= + + + Tag sources with `VER-2-5-5'. + + * docs/VERSION.DLL: Update documentation and bump version number to + 2.5.5. + + * 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/2.5.4/2.5.5/, s/254/255/. + + * include/freetype/freetype.h (FREETYPE_PATCH): Set to 5. + + * builds/unix/configure.raw (version_info): Set to 17:4:11. + * CMakeLists.txt (VERSION_PATCH): Set to 5. + * docs/CHANGES: Updated. + +2014-12-24 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Formatting and nanooptimizations. + + * src/base/ftcalc.c, + * src/base/fttrigon.c: Revise sign restoration. + +2014-12-13 Werner Lemberg <wl@gnu.org> + + * src/pcf/pcfread.c (pcf_read_TOC): Improve fix from 2014-12-08. + +2014-12-11 Werner Lemberg <wl@gnu.org> + + * builds/toplevel.mk (dist): Use older POSIX standard for `tar'. + + Apparently, BSD tar isn't capable yet of handling POSIX-1.2001 + (contrary to GNU tar), so force the POSIX-1.1988 format. + + Problem reported by Stephen Fisher <sfisher@SDF.ORG>. + +2014-12-11 Werner Lemberg <wl@gnu.org> + + * src/type42/t42parse.c (t42_parse_sfnts): Reject invalid TTF size. + +2014-12-11 Werner Lemberg <wl@gnu.org> + + * src/base/ftobjs.c (FT_Get_Glyph_Name): Fix off-by-one check. + + Problem reported by Dennis Felsing <dennis@felsin9.de>. + +2014-12-11 Werner Lemberg <wl@gnu.org> + + * src/type42/t42parse.c (t42_parse_sfnts): Check `string_size'. + + Problem reported by Dennis Felsing <dennis@felsin9.de>. + +2014-12-09 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + [gxvalid] Fix a naming convention conflicting with ftvalid. + + See previous changeset for otvalid. + + * src/gxvalid/{gxvcommn.h, gxvmort.h, gxvmorx.h}: Replace + `valid' by `gxvalid'. + * src/gxvalid/{gxvbsln.c, gxvcommn.c, gxvfeat.c, gxvjust.c, + gxvkern.c, gxvlcar.c, gxvmort.c, gxvmort0.c, gxvmort1.c, + gxvmort2.c, gxvmort4.c, gxvmort5.c, gxvmorx.c, gxvmorx0.c, + gxvmorx1.c, gxvmorx2.c, gxvmorx4.c, gxvmorx5.c, gxvopbd.c, + gxvprop.c, gxvtrak.c}: Replace `valid' by `gxvalid' if + it is typed as GXV_Validator. + +2014-12-09 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + [otvalid] Fix a naming convention conflicting with ftvalid. + + Some prototypes in ftvalid.h use `valid' for the variables + typed as FT_Validator. Their implementations in src/base/ + ftobjs.c and utilizations in src/sfnt/ttcmap.c do similar. + + Some macros in otvcommn.h assume the exist of the variable + `valid' typed as OTV_Validator in the caller. + + Mixing these two conventions cause invalid pointer conversion + and unexpected SEGV in longjmp. To prevent it, all variables + typed as OTV_Validator are renamed to `otvalid'. + + * src/otvalid/otvcommn.h: Replace `valid' by `otvalid'. + * src/otvalid/{otvcommn.c, otvbase.c, otvgdef.c, otvgpos.c, + otvgsub.c, otvjstf.c, otvmath.c}: Replace `valid' by `otvalid' + if it is typed as OTV_Validator. + +2014-12-09 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + [ftvalid] Introduce FT_THROW() in FT_INVALID_XXX macros. + + Original patch is designed by Werner Lemberg. Extra part + for otvalid and gxvalid are added by suzuki toshiya, see + discussion: + http://lists.nongnu.org/archive/html/freetype-devel/2014-12/msg00002.html + http://lists.nongnu.org/archive/html/freetype-devel/2014-12/msg00007.html + + * include/internal/ftvalid.h: Introduce FT_THROW() in FT_INVALID_(). + * src/gxvalid/gxvcommn.h: Ditto. + * src/otvalid/otvcommn.h: Ditto. + +2014-12-08 Werner Lemberg <wl@gnu.org> + + [pcf] Fix Savannah bug #43774. + + Work around `features' of X11's `pcfWriteFont' and `pcfReadFont' + functions. Since the PCF format doesn't have an official + specification, we have to exactly follow these functions' behaviour. + + The problem was unveiled with a patch from 2014-11-06, fixing issue + #43547. + + * src/pcf/pcfread.c (pcf_read_TOC): Don't check table size for last + element. Instead, assign real size. + +2014-12-07 Werner Lemberg <wl@gnu.org> + + Work around a bug in Borland's C++ compiler. + + See + + http://qc.embarcadero.com/wc/qcmain.aspx?d=118998 + + for Borland's bug tracker entry. + + Reported by Yuliana Zigangirova <zigangirova@inbox.ru>, + http://lists.gnu.org/archive/html/freetype-devel/2014-04/msg00001.html. + + * include/internal/ftvalid.h (FT_ValidatorRec), src/smooth/ftgrays.c + (gray_TWorker_): Move `ft_jmp_buf' field to be the first element. + +2014-12-07 Werner Lemberg <wl@gnu.org> + + */*: Decorate hex constants with `U' and `L' where appropriate. + +2014-12-07 Werner Lemberg <wl@gnu.org> + + [truetype] Prevent memory leak for buggy fonts. + + * src/truetype/ttobjs.c (tt_size_done): Unconditionally call + `tt_size_done_bytecode'. + +2014-12-06 Werner Lemberg <wl@gnu.org> + + * Version 2.5.4 released. + ========================= + + + Tag sources with `VER-2-5-4'. + + * docs/VERSION.DLL: Update documentation and bump version number to + 2.5.4. + + * 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/2.5.3/2.5.4/, s/253/254/. + + * include/freetype/freetype.h (FREETYPE_PATCH): Set to 4. + + * builds/unix/configure.raw (version_info): Set to 17:3:11. + * CMakeLists.txt (VERSION_PATCH): Set to 4. + * docs/CHANGES: Updated. + +2014-12-04 Werner Lemberg <wl@gnu.org> + + docs/CHANGES: Updated, formatted. + +2014-12-04 Dave Arnold <darnold@adobe.com> + + [cff] Modify an FT_ASSERT. + + * src/cff/cf2hints.c (cf2_hintmap_map): After the fix for Savannah + bug #43661, the test font `...aspartam.otf' still triggers an + FT_ASSERT. Since hintmap still works with count==0, ... + (cf2_glyphpath_lineTo, cf2_glyphpath_curveTo): ... add that term to + suppress the assert. + +2014-12-04 Dave Arnold <darnold@adobe.com> + + [cff] Fix Savannah bug #43661. + + * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM, + cf2_cmdVSTEM, cf2_cmdHINTMASK>: Don't append to stem arrays after + hintmask is constructed. + + * src/cff/cf2hints.c (cf2_hintmap_build): Add defensive code to + avoid reading past end of hintmask. + +2014-12-03 Werner Lemberg <wl@gnu.org> + + docs/CHANGES: Updated. + +2014-12-03 Werner Lemberg <wl@gnu.org> + + [autofit] Better fix for conversion specifiers in debug messages. + + Using `%ld' for pointer differences causes warnings on 32bit + platforms. The correct type would be (the relatively new) `%td', + however, this is missing on some important platforms. + + This patch improves the change from 2014-11-28. + + * src/autofit/afhints.c (AF_INDEX_NUM): Use `int' typecast. Our + pointer differences are always sufficiently small. + (af_glyph_hints_dump_points, af_glyph_hints_dump_segments, + af_glyph_hints_dump_edge): Revert to `%d' and use `AF_INDEX_NUM'. + +2014-12-03 Werner Lemberg <wl@gnu.org> + + FT_Sfnt_Tag: s/ft_sfnt_xxx/FT_SFNT_XXX/ for orthogonality. + + All public FreeType enumeration and flag values are uppercase... + + * include/tttables.h (FT_Sfnt_Tag): Implement it. For backwards + compatilibity, retain the old values as macros. + + * src/base/ftfstype.c (FT_Get_FSType_Flags), src/sfnt/sfdriver.c + (get_sfnt_table): Updated. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + * include/*: Improve structure of documentation. + + . Add and update many `<Order>' tags. + . Apply various documentation fixes. + . Remove details to deprecated (or never implemented) data. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + [docmaker] Always handle `<Order>' section elements. + + Previously, those elements were handled only for sections present in + a `<Sections>' chapter element. + + * src/tools/docmaker/content.py (ContentProcessor::finish): + Implement it. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + [docmaker] Properly handle empty rows in Synopsis. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::section_enter): Emit + ` ' for empty fields. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + [docmaker] Thinko. + + * src/tools/docmaker/content.py (DocBlock::get_markup_words_all): + Emit `/empty/' string for first element also. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + [docmaker] Honour empty lines in `<Order>' section element. + + This greatly improves the readability of the `Synopsis' links. + + * src/tools/docmaker/content.py (DocBlock::get_markup_words_all): + Insert string `/empty/' between items. + + * src/tools/docmaker/formatter.py (Formatter::section_dump): Make it + robust against nonexistent keys. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::section_enter): Emit + empty <td> elements for `/empty/'. + +2014-12-02 Werner Lemberg <wl@gnu.org> + + [docmaker] Ensure Python 3 compatibility. + + * src/tools/docmaker/content.py (ContentProcessor::set_section, + ContentProcessor::finish): Replace `has_key' function with `in' + keyword. + + * src/tools/docmaker/formatter.py (Formatter::__init__): Replace + sorting function with a key generator. + (Formatter::add_identifier): Replace `has_key' function with `in' + keyword. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::html_source_quote): + Replace `has_key' function with `in' keyword. + (HtmlFormatter::index_exit, HtmlFormatter::section_enter): Use + integer division. + s/<>/>/. + + * src/tools/docmaker/utils.py: Import `itertools'. + (index_sort): Replaced by... + (index_key): ... this new key generator (doing exactly the same). + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Don't output a block multiple times. + + This bug was hidden by not processing all lines of `<Order>' blocks. + + * src/tools/docmaker/formatter.py (Formatter::section_dump): Filter + out field names. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Use field values as HTML link targets where possible. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::make_block_url): + Accept second, optional argument to specify a name. + (HtmlFormatter::html_source_quote): Link to field ID if possible. + (HtmlFormatter::print_html_field_list): Emit `id' attribute. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Allow empty lines in `<Order>' blocks. + + Before this patch, the suggested order of entries stopped at the + first empty line. + + Obviously, nobody noticed that this problem caused a much reduced + set of links in the `Synopsis' sections; in particular, the + `<Order>' blocks contain a lot of entries that wouldn't be listed + otherwise... + + * src/tools/docmaker/content.py (DocBlock::get_markup_words_all): + New function to iterate over all items. + (DocSection::process): Use it. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/sources.py (column) [Format 2]: Fix regexp. + + After the single asterisk there must be no other immediately following + asterisk. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Improve CSS for vertical spacing. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Improve HTML code for table of contents. + + * src/tools/docmaker/tohtml.py: Introduce a new table class `toc', + together with proper CSS. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Provide higher-level markup and simplify HTML. + + * src/tools/docmaker/tohtml.py: Instead of using extraneous `<div>' + elements, use CSS descendants (of class `section') to format the + data. + + Also remove reduntant <p> and <br> elements, replacing them with + proper CSS. + + Globally reduce page width to 75%. + + (block_header): Rename <div> class to `section'. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + [docmaker] Add `top' links after blocks. + + * src/tools/docmaker/tohtml.py (block_footer_middle): Implement it. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Improve CSS for fields. + + Make fields align horizontally relative to full line width. + +2014-11-29 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Fix index and TOC templates. + + This thinko was introduced 2014-11-27. + +2014-11-28 Werner Lemberg <wl@gnu.org> + + [docmaker] Format field lists with CSS. + + This also simplifies the inserted HTML code. + + * src/tools/docmaker/tohtml.py + (HtmlFormatter::print_html_field_list): Do it. + +2014-11-28 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Fix compiler warning to the comparison between signed and + unsigned variable. + + * src/pfr/pfrsbit.c (pfr_slot_load_bitmap): Fix the comparison + between `ypos + ysize' and FT_INT_{MAX,MIN}. + +2014-11-28 Werner Lemberg <wl@gnu.org> + + [docmaker] Replace empty `<td>' with CSS. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::section_enter): Do + it. + +2014-11-28 Werner Lemberg <wl@gnu.org> + + [docmaker] Replace some `<table>' tags with `<h4>' and `<div>'. + + * src/tools/docmaker/tohtml.py (marker_*): Use `<h4>'. + (source_*): Use `<div>'. + (HtmlFormatter::block_enter): s/<h4>/<h3>/. + +2014-11-28 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Fix compiler warning to conversion specifiers in debug messages. + + * src/autofit/afhints.c (af_glyph_hints_dump_points): Add length + modifier to dump long integers. + (af_glyph_hints_dump_segments, af_glyph_hints_dump_edges): Ditto. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Use more CSS for index. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + [docmaker] Replace `name' attribute of `<a>' with `id'. + + * src/tools/docmaker/tohtml.py (HtmlFormatter::block_enter): Do it. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Remove remaining `width' attributes. + + For `Index' and `TOC' links, we now simply use the `text-align' CSS + property of `<td>' to enforce flush-left and flush-right, + eliminating the hack with an empty, full-width `<td>' element + inbetween. + + The change also enforces the same (smaller) size for all index and + TOC links. + +2014-11-27 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/cff/cf2font.c: Include `ftcalc.h' to use FT_MSB(), + cf2font.c could not find it under `make multi' build. + +2014-11-27 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Remove + unrequired negative value check for `width' and `height'. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: More HTML table refactoring. + + Replace some `<table>' tags with `<div>' to simplify structure. + + Move `bgcolor' attribute to CSS. + + Replace most `width' attributes with CSS. The remaining instances + (providing a similar effect as LaTeX's `\hfill' command) are removed + in a later patch. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Replace <font> with CSS. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Center <table> with CSS. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Replace `<center>' with `<div>'. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/tohtml.py: Remove redundant `<center>' tags. + + This starts a series of commits into the direction of generating + valid HTML 5 code, especially using much more CSS. + +2014-11-27 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Prevent too negative values (< FT_INT_MIN) in bitmap metrics, + suggested by Alexei. + + * src/pfr/pfrsbit.c (pfr_slot_load_bitmap): Prevent too + negative values in `xpos' and `ypos + ysize'. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Prevent + too negative values in `x_left' and `y_top'. Either negative + values in `width' and `height' are checked. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + [docmaker] Produce better HTML code. + + * src/tools/docmaker/tohtml.py: Always use double quotes for + attribute values. + (source_footer): Close `td' and `tr' groups. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + Use better way to disable creation of .pyc files for `make refdoc'. + + Python 2.6 was released in 2008... + + * builds/freetype.mk (refdoc): Use python's `-B' option. + + * builds/detect.mk (std_setup, dos_setup): Mention required python + version for `refdoc' target. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/tools/docmaker/sources.py (re_bold, re_italic): Use + non-grouping parentheses. + * src/tools/docmaker/tohtml.py (HtmlFormatter::make_html_word): + Updated. + +2014-11-27 Werner Lemberg <wl@gnu.org> + + * src/base/ftobjs.c (FT_Get_Glyph_Name): Fix compiler warning. + + Introdruced in previous change. Reported by Alexei. + +2014-11-26 Werner Lemberg <wl@gnu.org> + + * src/*: Add checks for parameters of API functions where missing. + + `API functions' are functions tagged with `FT_EXPORT_DEF'. + + Besides trivial fixes, the following changes are included, too. + + * src/base/ftbdf.c (FT_Get_BDF_Charset_ID, FT_Get_BDF_Property): Set + error code if no service is available. + + * src/base/ftinit.c (FT_Done_FreeType): Change return value for + invalid `library' parameter to `Invalid_Library_Handle'. + + * src/base/ftobjs.c (FT_New_Size): Change return value for invalid + `asize' parameter to `Invalid_Argument'. + + * src/base/ftoutln.c (FT_Outline_Copy): Change return value for + invalid `source' and `target' parameters to `Invalid_Outline'. + (FT_Outline_Done_Internal): Change return value for invalid + `outline' parameter to `Invalid_Outline'. + +2014-11-26 Werner Lemberg <wl@gnu.org> + + * src/cache/ftcbasic.c: Use single calls to `FT_TRACE'. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/base/ftobj.c (Mac_Read_POST_Resource): Additional + overflow check in the summation of POST fragment lengths, + suggested by Mateusz Jurczyk <mjurczyk@google.com>. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/base/ftobjs.c (Mac_Read_POST_Resource): Insert comments + and fold too long tracing messages. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Fix Savannah bug #43540. + + * src/base/ftmac.c (parse_fond): Prevent a buffer overrun + caused by a font including too many (> 63) strings to store + names[] table. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/base/ftobjs.c (Mac_Read_POST_Resource): Use unsigned long + variables to read the lengths in POST fragments. Suggested by + Mateusz Jurczyk <mjurczyk@google.com>. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Fix Savannah bug #43539. + + * src/base/ftobjs.c (Mac_Read_POST_Resource): Fix integer overflow + by a broken POST table in resource-fork. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + Fix Savannah bug #43538. + + * src/base/ftobjs.c (Mac_Read_POST_Resource): Fix integer overflow + by a broken POST table in resource-fork. + +2014-11-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + * src/base/ftobjs.c (Mac_Read_POST_Resource): Avoid memory leak + by a broken POST table in resource-fork. Return after freeing + the buffered POST table when it is found to be broken. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + */*: s/Invalid_Argument/Invalid_Size_Handle/ where appropriate. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + */*: s/Invalid_Argument/Invalid_Stream_Handle/ where appropriate. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + */*: s/Invalid_Argument/Invalid_Library_Handle/ where appropriate. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + */*: s/Invalid_Argument/Invalid_Outline/ where appropriate. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + */*: s/Invalid_Argument/Invalid_Face_Handle/ where appropriate. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [Savannah bug #43682] Adjust some renderer callbacks. + + * src/raster/ftraster.c (ft_black_set_mode): Change return type to + `int' to stay in sync with `FT_Renderer_SetModeFunc' prototype. + + * src/smooth/ftgrays.c (gray_raster_set_mode): New dummy function + for orthogonality. + (ft_grays_raster): Use it. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + [Savannah bug #43682] Properly handle missing return errors. + + The functions in this patch *do* return non-trivial errors that must + be taken care of. + + * src/autofit/afloader.c (af_loader_load_g), src/base/ftobjs.c + (FT_Render_Glyph_Internal), src/base/ftoutln.c (FT_Outline_Render), + src/cff/cffgload.c (cff_decoder_parse_charstrings) <cff_op_endchar>, + src/psaux/psobjs.c (ps_parser_load_field_table), src/psaux/t1decode + (t1_decoder_parse_charstrings) <op_endchar>, src/truetype/ttgload.c + (load_truetype_glyph <subglyph loop>, tt_loader_init, + TT_Load_Glyph), src/truetype/ttgxvar.c (TT_Set_MM_Blend), + src/truetype/ttobjs.c (tt_size_run_fpgm, tt_size_run_prep): Do it. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + [Savannah bug #43682] Add/remove `void' casts to some functions. + + We use a cast to indicate that we intentionally ignore a function's + return value. However, this doesn't apply to API functions where + errors can only happen for trivially invalid input. + + * src/base/ftstroke.c (FT_Glyph_Stroke, FT_Glyph_StrokeBorder), + src/base/ftsynth.c (FT_GlyphSlot_Embolden), src/cff/cffgload.c + (cff_slot_load), src/pfr/pfrdrivr.c (pfr_get_kerning), + src/type1/t1load.c (parse_encoding), src/type42/t42parse.c + (t42_parse_encoding): Do it. + +2014-11-25 Werner Lemberg <wl@gnu.org> + + [Savannah bug #43682] Change some signatures to `void' return type. + + * include/internal/pshints.h (PSH_Globals_SetScaleFunc), + include/internal/sfnt.h (TT_Get_Metrics_Func), + src/pshinter/pshglob.c (psh_globals_set_scale), + src/pshinter/pshrec.c (ps_hints_init), src/sfnt/ttmtx.c + (tt_face_get_metrics), src/truetype/ttinterp.c (TT_Goto_CodeRange, + TT_Set_CodeRange, TT_Clear_CodeRange, TT_Done_Context, + TT_Save_Context): Do it. + + * src/pshinter/pshglob.h, src/pshinter/pshrec.h, src/sfnt/ttmtx.h, + src/truetype/ttgload.c (TT_Hint_Glyph), src/truetype/ttinterp.c + (TT_Run_Context), src/truetype/ttinterp.h, src/truetype/ttobjs.c + (tt_size_run_fpgm, tt_size_run_prep): Updated. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + Remove all code related to FT_MAX_CHARMAP_CACHEABLE. + + This is no longer used. + + * src/base/ftobjs.c, src/cache/ftccmap.c, src/cff/cffobjs.c, + src/sfnt/ttcmap.c: Do it. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43680. + + This adds an additional constraint to make the fix from 2013-01-25 + really work. + + * src/sfnt/ttsbit.c (tt_sbit_decoder_load_image) <index_format==4>: + Check `p' before `num_glyphs'. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [truetype] Fix Savannah bug #43679. + + * src/truetype/ttpload.c (tt_face_load_hdmx): Check minimum size of + `record_size'. + +2014-11-24 Jarkko Pöyry <jarkko.poyry@gmail.com> + + [cff, pfr, psaux, winfonts] Fix Savannah bug #43676. + + Don't cast cmap init function pointers to an incompatible type. + + Without this patch, the number of parameters between declaration and + the real signature differs. Calling such a function results in + undefined behavior. + + ISO/IEC 9899:TC3 (Committee Draft September 7, 2007) + 6.5.2.2 Function calls + 9 If the function is defined with a type that is not + compatible with the type (of the expression) pointed to by + the expression that denotes the called function, the + behavior is undefined. + + On certain platforms (c -> js with emscripten) this causes + termination of execution or invalid calls because in the emscripten + implementation, function pointers of different types are stored in + different pointer arrays. Incorrect pointer type here results in + indexing of an incorrect array. + + * src/cff/cffcmap.c (cff_cmap_encoding_init, cff_cmap_unicode_init), + src/pfr/pfrcmap.c (pfr_cmap_init), src/psaux/t1cmap.c + t1_cmap_standard_init, t1_cmap_expert_init, t1_cmap_custom_init, + t1_cmap_unicode_init), src/winfonts/winfnt.c (fnt_cmap_init): Fix + signature. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43672. + + * src/sfnt/ttkern.c (tt_face_load_kern): Use correct value for + minimum table length test. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [type1, type42] Another fix for Savannah bug #43655. + + * src/type1/t1load.c (parse_charstrings), src/type42/t42parse.c + (t42_parse_charstrings): Add another boundary testing. + +2014-11-24 Werner Lemberg <wl@gnu.org> + + [docmaker] Formatting, copyright, improved documentation. + + * src/tools/docmaker/*: No code changes besides trivial + modifications. + +2014-11-22 Werner Lemberg <wl@gnu.org> + + [bdf] Fix Savannah bug #43660. + + * src/bdf/bdflib.c (_bdf_parse_glyphs) <"ENDFONT">: Check + `_BDF_GLYPH_BITS'. + +2014-11-22 Werner Lemberg <wl@gnu.org> + + [type42] Allow only embedded TrueType fonts. + + This is a follow-up to Savannah bug #43659. + + * src/type42/t42objs.c (T42_Face_Init): Exclusively use the + `truetype' font driver for loading the font contained in the `sfnts' + array. + +2014-11-22 Werner Lemberg <wl@gnu.org> + + [type42] Fix Savannah bug #43659. + + * src/type42/t42objs.c (T42_Open_Face): Initialize `face->ttf_size'. + + * src/type42/t42parse.c (t42_parse_sfnts): Always set + `face->ttf_size' directly. This ensures a correct stream size in + the call to `FT_Open_Face', which follows after parsing, even for + buggy input data. + Fix error messages. + +2014-11-22 Werner Lemberg <wl@gnu.org> + + [cff] Fix Savannah bug #43658. + + * src/cff/cf2ft.c (cf2_builder_lineTo, cf2_builder_cubeTo): Handle + return values of point allocation routines. + +2014-11-22 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43656. + + * src/sfnt/ttcmap.c (tt_cmap4_validate): Fix order of validity + tests. + +2014-11-21 Werner Lemberg <wl@gnu.org> + + [type1, type42] Fix Savannah bug #43655. + + * src/type1/t1load.c (parse_charstrings), src/type42/t42parse.c + (t42_parse_charstrings): Fix boundary testing. + +2014-11-21 Werner Lemberg <wl@gnu.org> + + * src/pcf/pcfread.c (pcf_get_metrics): Sanitize invalid metrics. + +2014-11-21 Werner Lemberg <wl@gnu.org> + + [ftlcdfil] Obey flow direction. + + * src/base/ftlcdfil.c (_ft_lcd_filter_fir, _ft_lcd_filter_legacy): + Handle `up' flow. + +2014-11-21 Werner Lemberg <wl@gnu.org> + + * src/base/ftbitmap.c (FT_Bitmap_Convert): Improve. + + This commit completes argument checks and adds support for different + flow directions. + +2014-11-21 Werner Lemberg <wl@gnu.org> + + * src/base/ftbitmap.c (FT_Bitmap_Copy): Improve. + + This commit adds argument checks and support for different flow + directions. + +2014-11-20 Werner Lemberg <wl@gnu.org> + + * src/base/ftbitmap.c (FT_Bitmap_New): Check argument. + +2014-11-19 Werner Lemberg <wl@gnu.org> + + Change some fields in `FT_Bitmap' to unsigned type. + + This doesn't break ABI. + + * include/ftimage.h (FT_Bitmap): Make `rows', `width', `num_grays', + `pixel_mode', and `palette_mode' unsigned types. + + * src/base/ftbitmap.c: Updated. + (FT_Bitmap_Copy): Fix casts. + + * src/cache/ftcsbits.c, src/raster/ftraster.c, src/sfnt/pngshim.c: + Updated. + +2014-11-19 Werner Lemberg <wl@gnu.org> + + Make `FT_Bitmap_Convert' correctly handle negative `pitch' values. + + * src/base/ftbitmap.c (FT_Bitmap_Convert): Always use positive value + for the pitch while copying data. + Correctly set pitch sign in target bitmap. + +2014-11-19 Werner Lemberg <wl@gnu.org> + + Minor code improvement in `FT_Bitmap_Embolden'. + + * src/base/ftbitmap.c (FT_Bitmap_Embolden) <FT_PIXEL_MODE_GRAY[24]>: + Fix thinko. + +2014-11-19 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/fttrigon.c: Use dedicated `FT_Angle' for arctan table. + +2014-11-19 Behdad Esfahbod <behdad@behdad.org> + + Avoid compiler warnings on x86-64 for `FT_MulFix'. + + `FT_MulFix' takes `FT_Long' parameters as defined in `freetype.h', + but several inline implementations of it in `ftcalc.h' take + `FT_Int32' arguments. This is causing compiler warnings on x86-64: + If parameters of type `FT_Fixed' (= `FT_Long') are passed to the + inline implementation of this function, integer values are truncated + from 64bit to 32bit. + + * include/internal/ftcalc.h (FT_MulFix) [FT_MULFIX_ASSEMBLER]: Add + casts. + +2014-11-15 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43597. + + * src/sfnt/pngshim.c (Load_SBit_Png): Protect against too large + bitmaps. + +2014-11-12 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43591. + + * src/sfnt/ttsbit.c (tt_sbit_decoder_init): Protect against addition + and multiplication overflow. + +2014-11-12 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43590. + + * src/sfnt/ttload.c (check_table_dir, tt_face_load_font_dir): + Protect against addition overflow. + +2014-11-12 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43589. + + * src/sfnt/sfobjs.c (woff_open_font): Protect against addition + overflow. + +2014-11-12 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43588. + + * src/sfnt/ttcmap.c (tt_cmap8_validate, tt_cmap10_validate, + tt_cmap12_validate, tt_cmap13_validate, tt_cmap14_validate): Protect + against overflow in additions and multiplications. + +2014-11-10 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] CORDIC improvements. + + The scaling between the hypotenuse and its CORDIC approximation is + based on regression analysis. The smaller padding for `theta' is + justifed by its maximum error of less than 6. + + * src/base/fttrigon.c (ft_trig_downscale): Borrow code from + ./ftcalc.c (ft_multo64), change linear intercept. + (ft_trig_pseudo_polarize): Decrease `theta' padding. + +2014-11-09 Werner Lemberg <wl@gnu.org> + + * src/base/ftstroke.c (ft_stroker_inside): Fix border intersections. + + One more place to check whether `radius' is zero. + + Problem reported by Marco Wertz <marco.wertz@gmx.de>. + +2014-11-07 Werner Lemberg <wl@gnu.org> + + [bdf] Fix Savannah bug #43535. + + * src/bdf/bdflib.c (_bdf_strncmp): New macro that checks one + character more than `strncmp'. + s/ft_strncmp/_bdf_strncmp/ everywhere. + +2014-11-06 Werner Lemberg <wl@gnu.org> + + [pcf] Fix Savannah bug #43548. + + * src/pcf/pcfread.c (pcf_get_encodings): Add sanity checks for row + and column values. + +2014-11-06 Werner Lemberg <wl@gnu.org> + + [pcf] Fix Savannah bug #43547. + + * src/pcf/pcfread.c (pcf_read_TOC): Check `size' and `offset' + values. + +2014-11-06 Werner Lemberg <wl@gnu.org> + + * src/pcf/pcfread.c (pcf_read_TOC): Avoid memory leak. + +2014-11-03 Infinality <infinality@infinality.net> + + * src/truetype/ttsubpix.c (COMPATIBILITY_MODE_Rules): Updated. + + The previous commit deteriorates rendering of DejaVu and similar + fonts; this gets compensated with this rule. + +2014-11-03 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttinterp.c (Ins_DELTAP): Fix subpixel hinting. + + Before this patch, it was impossible to ever call DELTAP[123] in + subpixel hinting mode as described in the ClearType whitepaper; it + only worked if in `compatibility mode'. However, compatibility mode + essentially disables SHPIX, completely ruining hinting of + ttfautohint output, for example. + + We now follow the whitepaper more closely so that DELTAP[123] + instructions for touched points in the non-subpixel direction are + executed. + +2014-10-31 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Improve code readability. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Rearrange code. + +2014-10-31 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Reduce outline translations during rendering. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Translate origin + virtually by modifying cbox, actually translate outline if cumulative + shift is not zero. + +2014-10-30 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Fix Savannah bug #35604 (cont'd). + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Remove checks and + casts that became unnecessary after the variable type upgrades. + +2014-10-29 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Improve code readability. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Rearrange code. + +2014-10-29 Alexei Podtelezhnikov <apodtele@gmail.com> + + Unify hypotenuse approximations. + + * include/internal/ftcalc.h (FT_HYPOT): Move macro from here... + * include/internal/ftobjs.h: ... to here, next to required `FT_ABS'. + * src/smooth/ftgrays.c (gray_render_cubic): Use it here. + +2014-10-25 Werner Lemberg <wl@gnu.org> + + [cff] Test valid darkening parameter macros in `ftoption.h'. + + We no longer need an otherwise unused typedef that can cause a gcc + warning. + Problem reported by Alexei. + + * src/cff/cffobjs.c (cff_driver_init): Use + `CFF_CONFIG_OPTION_DARKENING_PARAMETER_XXX' macros directly. + (SET_DARKENING_PARAMETERS): Removed. + Compile time tests are now ... + + * devel/ftoption.h, include/config/ftoption.h: ... here. + +2014-10-25 Alexei Podtelezhnikov <apodtele@gmail.com> + + Improve flat corner definition. + + * include/internal/ftcalc.h (FT_HYPOT): Macro to approximate Euclidean + distance with the alpha max plus beta min algorithm. + * src/base/ftcalc.c (ft_corner_is_flat): Use it instead of Taxicab + metric. + +2014-10-23 David Weiß <David.Weiss@ptvgroup.com> + + [build] Improve property file for vc2010. + + User-defined properties should be empty by default to prevent linker + failures. + + * builds/windows/vc2010/freetype.user.props, + builds/windows/vc2010/freetype.vcxproj: + s/OptionsDirectory/UserOptionDirectory/. + Comment out all user options. + +2014-10-23 Werner Lemberg <wl@gnu.org> + + [cff] Work around bug in preprocessor of MSVC 2010. + + We have been hit by + + https://connect.microsoft.com/VisualStudio/feedback/details/718976/msvc-pr + + * devel/ftoption.h, include/config/ftoption.h: Replace + `CFF_CONFIG_OPTION_DARKENING_PARAMETERS' with eight macros + `CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4}'. + + * src/cff/cffobjs.c (SET_DARKENING_PARAMETERS): Removed. We no + longer need double expansion. + (SET_DARKENING_PARAMETERS_0): Renamed to ... + (SET_DARKENING_PARAMETERS): ... this. + Update call. + +2014-10-20 Werner Lemberg <wl@gnu.org> + + [sbit] Minor fixes. + + * src/sfnt/ttsbit.c (tt_face_load_sbit) [TT_SBIT_TABLE_TYPE_SBIX]: + Accept overlay format also, but emit warning message in that case. + (tt_sbit_decoder_load_metrics): Add missing newline to error + message. + (tt_sbit_load_sbix_image): Add `rgbl' graphic type (as used on iOS + 7.1) to the list of unsupported formats. + +2014-10-19 Alexei Podtelezhnikov <apodtele@gmail.com> + + [truetype] Clean up bytecode rounding. + + Zero distance does not have to be treated specially if you follow + specifications and check the sign as the very last step of rounding. + + * src/truetype/ttinterp.c (Round_None, Round_To_Grid, + Round_Down_To_Grid, Round_Up_To_Grid, Round_To_Double_Grid): Use + macros when available, do not check for non-zero distance. + (Round_To_Half_Grid, Round_Super, Round_Super_45): Ditto, return phase + if sign changed. + +2014-10-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [truetype] Unwrap engine compensation settings. + + * src/truetype/ttobjs.c (tt_size_init_bytecode): Updated. + +2014-10-18 David Weiß <David.Weiss@ptvgroup.com> + + [build] Add property file to vc2010 project. + + This simplifies custom build configurations, especially for + automated build environments. + + * builds/windows/vc2010/freetype.user.props: New configuration file. + + * builds/windows/vc2010/freetype.vcxproj: Include + `freetype.user.props' and use its data fields. + + * builds/windows/vc2010/index.html: Updated. + +2014-10-18 Werner Lemberg <wl@gnu.org> + + [autofit] Add blue-zone support for Telugu. + + This essentially moves the Telugu script from the `Indic' hinter to + the `Latin' hinter. + + Note that this is a first shot and quite certainly needs + refinements. + + * src/autofit/afblue.dat: Add blue zone data for Telugu. + + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Telugu standard characters and move + data out of AF_CONFIG_OPTION_INDIC block. + + * src/autofit/afranges.c: Move Telugu data out of + AF_CONFIG_OPTION_INDIC block. + + * src/autofit/afstyles.h: Update Telugu data; in particular, use + AF_WRITING_SYSTEM_LATIN. + +2014-10-18 David Wimsey <david@wimsey.us> + + [cmake] Add iOS build support. + From Savannah patch #8497. + + * builds/cmake/iOS.cmake: New file. Universal binaries are built + with both 32 and 64 bit arm architectures. + + * CMakeLists.txt (IOS_PLATFORM): New variable for running the iOS + toolchain. Possible values are `OS' to build on iOS, or + `SIMULATOR' to build on APPLE. + +2014-10-16 Behdad Esfahbod <behdad@behdad.org> + Werner Lemberg <wl@gnu.org> + + [cff] Add `CFF_CONFIG_OPTION_DARKENING_PARAMETERS' config macro. + + * devel/ftoption.h, include/config/ftoption.h + (CFF_CONFIG_OPTION_DARKENING_PARAMETERS): New macro. + + * src/cff/cffobjs.c (SET_DARKENING_PARAMETERS, + SET_DARKENING_PARAMETERS_0): New macros. + (cff_driver_init): Use new macros. + +2014-10-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + [truetype] Limit delta shift range. + + The valid range for delta shift is zero through six. Negative values + are invalid according to + + https://developer.apple.com/fonts/TrueType-Reference-Manual/RM04/Chap4.html#delta%20shift + + * src/truetype/ttobjs.h (delta_shift, delta_base): Make unsigned. + * src/truetype/ttinterp.h (DO_SDS): Throw an error if `delta_shift' + is out of range. + (Ins_DELTAP, Ins_DELTAC): Optimize for valid `delta_shift'. + +2014-10-16 Werner Lemberg <wl@gnu.org> + + A better fix for Savannah bug #43392. + Suggested by Doug Felt <dougfelt@gmail.com>. + + * src/sfnt/ttsbit.c (tt_sbit_decoder_load_metrics): Set + `vertAdvance' to zero... + + * src/truetype/ttgload.c (TT_Load_Glyph): ... and set here a default + value for `vertAdvance' based on `linearVertAdvance' in case + `vertAdvance' is zero. Note that the previous computed ad-hoc value + for `linearVertAdvance' was apparently not tested in a real-life + situation. + +2014-10-14 David Weiß <David.Weiss@ptvgroup.com> + + [build] Better optimization settings for vc2010 solution file. + + * builds/windows/vc2010/freetype.sln, + builds/windows/vc2010/freetype.vcxproj: Updated. + +2014-10-14 Werner Lemberg <wl@gnu.org> + + [autofit] Adjust Devenagari character range. + + * src/autofit/afranges.c (af_deva_uniranges): Omit characters that + are common to all other Indic scripts. + +2014-10-12 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Savannah bug #43392. + + * src/sfnt/ttsbit.c (tt_sbit_decoder_load_metrics): Don't let + vertical metrics uninitialized. + +2014-10-11 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Small bbox correction. + + * src/base/ftbbox.c (FT_Outline_Get_BBox): Start from nonsense bbox + instead of initial point that could be `off' in conic outlines. + +2014-10-08 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Fix Savannah bug #43356. + + * src/base/ftbbox.c (BBox_Move_To, BBox_Conic_To): Update bbox in case + of implicit `to'. + (BBox_Line_To): New emitter that does not update bbox. + +2014-10-08 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Introduce and use new macro `FT_UPDATE_BBOX' + + * src/base/ftbbox.c (FT_UPDATE_BBOX): New macro. + (FT_Outline_Get_BBox): Use it here. + +2014-10-02 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Significant optimization of `ft_div64by32' + + We shift as many bits as we can into the high register, perform + 32-bit division with modulo there, then work through the remaining + bits with long division. This optimization is especially noticeable + for smaller dividends that barely use the high register. + + * src/base/ftcalc.c (ft_div64by32): Updated. + +2014-10-02 Dave Arnold <darnold@adobe.com> + + [cff] Fix Savannah bug #43271. + + * src/cff/cf2font.c (cf2_computeDarkening): Change overflow + detection to use logarithms and clamp `scaledStem'. + +2014-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftcalc.c: Remove miscellaneous type casts. + +2014-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Use more common `FT_MSB' implementation with masks. + + * src/base/ftcalc.c (FT_MSB): Updated. + +2014-09-30 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Clean up. + + * src/base/ftcalc.c (FT_MOVE_SIGN): New macro for frequently used + code. + +2014-09-25 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Avoid unnecessary long division. + + This applies to `FT_MulDiv' but not to `FT_DivFix', where overflows or + lack thereof are predicted accurately. + + * src/base/ftcalc.c (ft_div64by32): Improve readability. + (FT_MulDiv, FT_MulDiv_No_Round) [!FT_LONG64]: Use straight division + when multiplication stayed within 32 bits. + +2014-09-24 Werner Lemberg <wl@gnu.org> + + [autofit] Minor clean-ups. + + * src/autofit/afhints.c (AF_FLAGS): Remove obsolete values. + + * src/autofit/afhints.c (af_glyph_hints_dump_points, + af_glyph_hints_align_strong_points): Updated. + + * src/autofit/aflatin.c (af_latin_hints_link_segments, + af_latin_hints_compute_segments), src/autofit/afcjk.c + (af_cjk_hints_link_segments), src/autofit/aflatin2.c + (af_latin2_hints_link_segments, af_latin2_hints_compute_segments): + There are no longer fake segments since more than 10 years... + +2014-09-22 Werner Lemberg <wl@gnu.org> + + [autofit] Minor code streamlining. + + * src/autofit/afhints.c (af_axis_hints_new_edge): Remove redundant + initialization. + +2014-09-19 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftcalc.c: Harmonize code. + +2014-09-15 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Tighten the overflow check in `FT_MulDiv'. + + * src/base/ftcalc.c (FT_MulDiv) [!FT_LONG64]: Updated. + +2014-09-08 Alexei Podtelezhnikov <apodtele@gmail.com> + + Fix Savannah bug #43153. + + * src/psaux/psconv.c (PS_Conv_ToFixed): Add protection against + overflow in `divider'. + +2014-09-03 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Tighten the overflow check in `FT_DivFix'. + + This fixes a 13-year old bug. The original overflow check should have + been updated when rounding was introduced into this function + (c2cd00443b). + + * src/base/ftcalc.c (FT_DivFix) [!FT_LONG64]: Updated. + * include/freetype.h (FT_DivFix): Updated documentation. + +2014-09-03 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Tighten the overflow check in `FT_MulFix'. + + * src/base/ftcalc.c (FT_MulFix) [!FT_LONG64]: Updated. + +2014-09-02 Alexei Podtelezhnikov <apodtele@gmail.com> + + [truetype] Shortcut ppem calculations for square pixels. + + * src/truetype/ttinterp.h (TT_ExecContextRec): New field + `cur_ppem_func' with a function pointer. + * src/truetype/ttinterp.c (TT_RunIns): Initialize `cur_ppem_func' + depending on the pixel geometry to either... + (Current_Ppem_Stretched): ... this for stretched pixels. + (Current_Ppem): ... or this for square pixels. + (DO_MPPEM, DO_MPS, Ins_DELTAP, Ins_DELTAC): Use `cur_ppem_func'. + +2014-08-31 Behdad Esfahbod <behdad@behdad.org> + + Don't use `register' keyword. Fixes compiler warnings. + + * src/base/ftcalc.c (FT_Add64) [!FT_LONG64]: Do it. + * src/gzip/inftrees.c (huft_build): Ditto. + * src/truetype/ttinterp.c (TT_MulFix14_arm): Ditto. + +2014-08-24 Alexei Podtelezhnikov <apodtele@gmail.com> + + [truetype] Optimize DELTAP and DELTAC. + + * src/truetype/ttinterp.c (Ins_DELTAP, Ins_DELTAC): Move ppem + calculations outside of the loop. + +2014-08-21 Alexei Podtelezhnikov <apodtele@gmail.com> + + Fix Savannah bug #43033. + + * include/config/ftconfig.h, builds/unix/ftconfig.in, + builds/vms/ftconfig.h [FT_LONG64]: Do not disable the macro when + 64-bit type is `long'. + +2014-08-20 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Small optimization of `FT_MulFix'. + + * src/base/ftcalc.c (FT_MulFix): Loosen up the condition for direct + 32-bit calculations. + +2014-08-19 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Use unsigned calculation in `FT_MulDiv'. + + * src/base/ftcalc.c (FT_MulDiv): Updated to expand 32-bit range. + +2014-08-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Remove truncation in `FT_DivFix'. + + * src/base/ftcalc.c (FT_DivFix): Updated. + +2014-08-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + Minor refactoring. + + * src/base/ftcalc.c (FT_MulDiv, FT_MulDiv_No_Round): Updated. + +2014-08-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + Turn FT_MSB into a macro when using gcc builtins. + + * src/base/ftcalc.c, include/internal/ftcalc.h: Updated. + +2014-08-12 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Avoid undefined FT_MSB in `BBox_Cubic_Check'. + + * src/base/ftbbox.c (BBox_Cubic_Check): Update. + (update_cubic_max): Repalce with... + (cubic_peak): ... this, which now handles upscaling. + +2014-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Handle collapsed outlines to avoid undefined FT_MSB. + + * src/base/ftoutln.c (FT_Outline_Get_Orientation): Update. + +2014-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Restore FT_MulFix inlining. + + * include/freetype.h (FT_MulFix): Unconditionally defined. + + * src/base/ftcalc.c [FT_MULFIX_ASSEMBLER]: Move code from here... + + * include/internal/ftcalc.h [FT_MULFIX_ASSEMBLER]: ... to here, + which conditionally replaces the function with an inline version + through the macro. + +2014-08-08 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftbitmap.c (ft_gray_for_premultiplied_srgb_bgra): Refactor. + +2014-07-26 Werner Lemberg <wl@gnu.org> + + [cff] Fix typo. + + * src/cff/cf2hints.c (cf2_glyphpath_computeOffset): Use correct + offsets in third quadrant. + + Reported by maks <maksqwe1@ukr.net>. + +2014-07-17 Werner Lemberg <wl@gnu.org> + + Fix Savannah bug #42788. + + * src/pfr/pfrobjs.c: Include `ftcalc.h'. + +2014-07-16 Alexei Podtelezhnikov <apodtele@gmail.com> + + Replace `ft_highpow2' function. + + * src/pfr/pfrobjs.c (pfr_face_get_kerning): Use `FT_MSB' instead of + `ft_highpow2'. + + * src/base/ftutil.c, include/internal/ftobjs.h (ft_highpow2): Remove + it. + +2014-07-15 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftcalc.c (FT_MSB): Utilize gcc builtins. + +2014-07-15 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Move assembler code back in the source file. + + FT_MulFix assembler used to reside in ftcalc.c before f47d263f1b. + + * include/config/ftconfig.h, builds/unix/ftconfig.in, + builds/vms/ftconfig.h [FT_MULFIX_ASSEMBLER]: Move code from here... + + * src/base/ftcalc.c [FT_MULFIX_ASSEMBLER]: ... to here. + +2014-07-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Further clean up color bitmap conversion. + + * src/base/ftbitmap.c (ft_gray_for_premultiplied_srgb_bgra): Stop + using FT_MulFix and FT_DivFix since all calculations fit into 32 bits. + +2014-07-13 Werner Lemberg <wl@gnu.org> + + [truetype] Improve handling of buggy `prep' tables. + + In case of an error in the `prep' table, no longer try to execute it + again and again. This makes FreeType handle endless loops in buggy + fonts much faster. + + * src/truetype/ttobjs.h (TT_SizeRec): The fields `bytecode_ready' + and `cvt_ready' are now negative if not initialized yet, otherwise + they indicate the error code of the last run. + + * src/truetype/ttobjs.c (tt_size_run_fpgm, tt_size_run_prep, + tt_size_done_bytecode, tt_size_init_bytecode, + tt_size_ready_bytecode, tt_size_init, tt_size_done, tt_size_reset): + Updated. + + * src/truetype/ttgload.c (tt_loader_init): Updated. + * src/truetype/ttinterp.c (TT_RunIns): Force reexecution of `fpgm' + and `prep' only if we are in the `glyf' table. + +2014-07-12 Werner Lemberg <wl@gnu.org> + + * builds/vms/ftconfig.h: Synchronize. + Problem reported by Alexei. + +2014-07-11 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Clean up bitmap conversion. + + * src/base/ftbitmap.c (ft_gray_for_premultiplied_srgb_bgra): Use + appropriate FT_DivFix and remove superfluous upscaling. + +2014-07-04 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Small optimization of the ancient code. + + * src/base/ftcalc.c (FT_MulDiv, FT_MulDiv_No_Round): Loosen up the + condition for direct 32-bit calculations. + +2014-06-27 Werner Lemberg <wl@gnu.org> + + Fix Apple standard glyph names. + + * src/sfnt/ttpost.c (tt_post_default_names): Synchronize with + `tools/glnames.py' + + Problem reported by Adam Twardoch <adam@fontlab.com>. + +2014-06-17 Werner Lemberg <wl@gnu.org> + + Partially revert commit from 2014-06-13. + + * src/autofit/aflatin.c (af_latin_metrics_init_blues): Move + declaration of `p_first' and `p_last' out of the loop. + +2014-06-17 Werner Lemberg <wl@gnu.org> + + * builds/unix/freetype2.m4: s/AC_PATH_PROG/AC_PATH_TOOL/. + + This simplifies cross-compiling. + +2014-06-13 Werner Lemberg <wl@gnu.org> + + Fix more compiler warnings. + Reported by Wojciech Mamrak <wmamrak@gmail.com>. + + * src/autofit/afglobal.c (af_face_globals_compute_style_coverage): + Make integer constant unsigned. + + * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) + <TT_SBIT_TABLE_TYPE_SBIX>: Fix types. + (tt_sbit_decoder_load_compound, tt_face_load_sbix_image): Add proper + casts. + +2014-06-13 Werner Lemberg <wl@gnu.org> + + Fix compiler warnings. + Reported by Wojciech Mamrak <wmamrak@gmail.com>. + + * src/autofit/afglobal.c (af_face_globals_compute_style_coverage), + src/autofit/afmodule.c (af_property_set): Fix `signed' vs. + `unsigned' issues. + + * src/autofit/aflatin.c (af_latin_metrics_init_blues): Make compiler + happy. + + * src/base/ftlcdfil.c (_ft_lcd_filter_fir): Use only four elements + for `fir'. + Fix `signed' vs. `unsigned' issues. + + * src/sfnt/sfobjs.c (WRITE_BYTE): Removed, unused. + (WRITE_USHORT, WRITE_ULONG): Add proper casts. + + * src/truetype/ttgload.c (TT_Get_VMetrics): Add proper casts. + + * src/truetype/ttinterp.c (Ins_DELTAP): Add proper casts for `B1' + and `B2'. + +2014-05-16 Alexey Petruchik <alexey.petruchik@gmail.com> + + [cmake] Add option to build OS X framework. + + * CMakeLists.txt: Update accordingly. + + * builds/mac/freetype-Info.plist: New file. + +2014-05-13 Pavel Koshevoy <pkoshevoy@gmail.com> + + * CMakeLists.txt (BASE_SRCS): Add missing `ftbdf.c'. + +2014-05-11 Werner Lemberg <wl@gnu.org> + + [autofit] Fix variable initializations. + + * src/autofit/afhints.c (af_glyph_hints_reload): Assign default + values to `in_dir' and `out_dir' for all points. + +2014-05-11 Werner Lemberg <wl@gnu.org> + + [autofit] Fix crash with font `CabinSketch-Bold.ttf'. + + Problem reported by Ralf S. Engelschall <rse@engelschall.com>. + + * src/autofit/afhints.c (af_glyph_hints_reload): Fix threshold for + finding first non-near point. + Properly initialize non-near point deltas. + +2014-05-01 Werner Lemberg <wl@gnu.org> + + [autofit] Add blue-zone support for Devanagari. + + This essentially moves the Devanagari script from the `Indic' hinter + to the `Latin' hinter. Thanks to Girish Dalvi + <girish.dalvi@gmail.com> for guidance with blue zone characters! + + * src/autofit/afblue.dat: Add blue zone data for Devanagari. + + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Devanagari standard characters and + move data out of AF_CONFIG_OPTION_INDIC block. + + * src/autofit/afranges.c: Move Devanagari data out of + AF_CONFIG_OPTION_INDIC block. + Move U+20B9, (new) Rupee sign, from Latin to Devanagari. + + * src/autofit/afstyles.h: Update Devanagari data; in particular, use + AF_WRITING_SYSTEM_LATIN. + +2014-05-01 Werner Lemberg <wl@gnu.org> + + [autofit] Fix handling of neutral blue zones in stems. + + * src/autofit/afhints.h (AF_Edge_Flags): New value + `AF_EDGE_NEUTRAL'. + + * src/autofit/aflatin.c (af_latin_hints_compute_blue_edges): Trace + neutral blue zones with AF_EDGE_NEUTRAL. + (af_latin_hint_edges): Skip neutral blue zones if necessary. + +2014-04-28 Werner Lemberg <wl@gnu.org> + + [autofit] Introduce neutral blue zones to the latin module. + + Such blue zones match either the top or the bottom of a contour. We + need them for scripts where accent-like elements directly touch the + base character (for example, some vowel signs in Devanagari, cf. + U+0913 or U+0914). + + * src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_NEUTRAL): New + property. + + * src/autofit/afblue.h: Regenerated. + + * src/autofit/aflatin.h (AF_LATIN_IS_NEUTRAL_BLUE): New macro. + (AF_LATIN_BLUE_NEUTRAL): New enumeration value. + + * src/autofit/aflatin.c (af_latin_metrics_init_blues, + af_latin_hints_compute_blue_edges): Handle neutral blue zones. + +2014-04-25 Werner Lemberg <wl@gnu.org> + + * src/autofit/hbshim.c: Partially revert commit from 2014-04-17. + + Using input glyph coverage data is simply wrong. + + Problem reported by Nikolaus Waxweiler <madigens@gmail.com> and + Mantas Mikulėnas <grawity@gmail.com>. + +2014-04-23 Werner Lemberg <wl@gnu.org> + + * src/raster/ftraster.c (Vertical_Sweep_Span): Use drop-out mode. + + This spot has been missed while introducing support for various + drop-out modes years ago (including no drop-out mode, which this + commit fixes). + + Problem reported by Patrick Thomas <pthomas505@gmail.com>. + +2014-04-22 Werner Lemberg <wl@gnu.org> + + * src/sfnt/pngshim.c (error_callback): s/longjmp/ft_longjmp/. + +2014-04-20 Werner Lemberg <wl@gnu.org> + + [autofit] Fix Savannah bug #42148. + + The adaptation of the cjk auto-hinter module to blue stringsets in + 2013-08-25 had three severe bugs. Mea culpa. + + 1. Contrary to the latin auto-hinter, characters for reference and + overshoot values of a blue zone are specified separately. Due to + the screwed-up change it didn't work at all. + + 2. A boolean comparison was erroneously replaced with a cast, + causing invalid results with the `^' operator later on. The + visual artifact caused by this problem is the topic of the bug + report. + + 3. Two flag values were inverted, causing incorrect assignment of + reference and overshoot values. + + * src/autofit/afblue.dat: Fix CJK bluestrings, introducing a new + syntax to have both reference and overshoot characters in a single + string. This is error #1. + Add extensive comments. + + * src/autofit/afblue.hin (AF_BLUE_PROPERTY_CJK_FILL): Removed, no + longer used. + (AF_BLUE_PROPERTY_CJK_TOP, AF_BLUE_PROPERTY_CJK_HORIZ): Fix values. + This is error #3. + + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afcjk.c (af_cjk_metrics_init_blues): Correct error #1. + Use character `|' to separate characters for reference and overshoot + values. + Improve tracing messages, synchronizing them with the latin + auto-hinter. + (af_cjk_hints_compute_blue_edges): Fix value of `is_top_right_blue'. + This is error #2. + (af_cjk_align_linked_edge): Add tracing message. + + * src/autofit/afcjk.h (AF_CJK_IS_FILLED_BLUE): Removed, no longer + used. + +2014-04-17 Werner Lemberg <wl@gnu.org> + + [autofit] More coverage fixes for complex scripts. + + * src/autofit/hbshim.c (af_get_coverage): Merge input glyph coverage + of GSUB lookups into output coverage. Otherwise, ligatures are not + handled properly. + Don't check blue zone characters for default coverage. + +2014-04-17 Werner Lemberg <wl@gnu.org> + + Make `FT_Get_SubGlyph_Info' actually work. + + * src/base/ftobjs.c (FT_Get_SubGlyph_Info): Return FT_Err_Ok + if there is no error. + +2014-04-15 Werner Lemberg <wl@gnu.org> + + [afblue.pl]: Minor improvements. + + * src/tools/afblue.pl: Allow whitespace before comments. + Ignore whitespace in strings. + +2014-04-14 Werner Lemberg <wl@gnu.org> + + [autofit] Improve coverage handling. + + * src/autofit/hbshim.c (af_get_coverage): Don't exclude glyphs + appearing in the GPOS table if we are processing the default + coverage. + +2014-04-13 David Weber <weber.aulendorf@googlemail.com> + + [smooth] Fix stand-alone compilation. + + * src/smooth/ftgrays.c (FT_BEGIN_STMNT, FT_END_STMNT): Define. + +2014-04-12 Werner Lemberg <wl@gnu.org> + + [autofit] Redesign the recognition algorithm of strong points. + + In particular, local extrema without horizontal or vertical segments + are better recognized: + + + A + D + \ / + \ / + \ / + \ / + \ + C + \ / + B +/ + + If the distances AB and CD are large, point B wasn't previously + detected as an extremum since the `ft_corner_is_flat' function + `swallowed' BC regardless of its direction, tagging point B as weak. + The next iteration started at B and made `ft_corner_is_flat' swallow + point C, tagging it as weak also, et voilà. + + To improve that, another pass gets now performed before calling + `ft_corner_is_flat' to improve the `topology' of an outline: A + sequence of non-horizontal or non-vertical vectors that point into + the same quadrant are handled as a single, large vector. + + Additionally, distances of near points are now accumulated, which + makes the auto-hinter handle them as if they were prepended to the + next non-near vector. + + This generally improves the auto-hinter's rendering results. + + * src/autofit/afhints.c (af_glyph_hints_reload): Implement it. + + * src/autofit/afhints.h (AF_FLAGS): Remove no longer used flag + `AF_FLAG_NEAR'. + +2014-04-05 Werner Lemberg <wl@gnu.org> + + [autofit] Improve scoring algorithm for identifying stems. + + Problem reported by Karsten Lücke <karsten.luecke@kltf.de>. + + The new algorithm takes care of the width of stems: If the distance + between two segments is larger than the largest stem width, the + demerits quickly increase for larger distances. This improves + hinting of slanted fonts (especially if the inner parts of serifs + have non-horizontal `shoulders'), avoiding false stem links. + + * src/autofit/aflatin.c (af_latin_hints_link_segments): Use largest + stem width (if available) to compute better demerits for distances + between stems. + (af_latin_hints_detect_features): Pass stem width array and array + size. + (af_latin_metrics_init_widths): Updated to use original algorithm. + (af_latin_hints_apply): Updated to use new algorithm. + + * src/autofit/aflatin.h: Updated. + * src/autofit/afcjk.c: Updated. + +2014-04-03 Werner Lemberg <wl@gnu.org> + + Don't require `gzip' module for `sfnt'. + + Reported by Preet <prismatic.project@gmail.com>. + + * src/sfnt/sfobjs.c (woff_open_font): Guard use of + FT_Gzip_Uncompress with FT_CONFIG_OPTION_USE_ZLIB. + +2014-03-27 Werner Lemberg <wl@gnu.org> + + Fix Savannah bug #38235. + + Work around a bug in pkg-config version 0.28 and earlier: If a + variable value gets surrounded by doublequotes (in particular values + for the `prefix' variable), the prefix override mechanism fails. + + * builds/unix/freetype2.in: Don't use doublequotes. + * builds/unix/unix-def.in (freetype.pc): Escape spaces in directory + names with backslashes. + +2014-03-24 Werner Lemberg <wl@gnu.org> + + Fix Savannah bug #41946. + + Based on a patch from Marek Kašík <mkasik@redhat.com>. + + * builds/unix/configure.raw (LIBS_CONFIG): Remove. + * builds/unix/freetype-config.in (libs): Hard-code value. + * builds/unix/unix-def.in: Updated. + +2014-03-22 Werner Lemberg <wl@gnu.org> + + Another revert for the change from 2014-03-18. + + Problem reported by Nikolaus Waxweiler <madigens@gmail.com>. + + * src/base/ftcalc.c (FT_MulFix): Ensure that an `FT_MulFix' symbol + gets always exported. + +2014-03-20 Werner Lemberg <wl@gnu.org> + + CMakeLists.txt: Another fix for include directories. + + Problem reported by Taylor Holberton <taylorcholberton@gmail.com>. + +2014-03-19 Werner Lemberg <wl@gnu.org> + + CMakeLists.txt: Fix include directories. + + Problem reported by Taylor Holberton <taylorcholberton@gmail.com>. + +2014-03-19 Werner Lemberg <wl@gnu.org> + + Partially revert last commit. + + Found by Alexei. + + * src/autofit/aflatin.c (af_latin_metrics_init_blues): Initializing + those variables is plain wrong, since we are in a loop. + +2014-03-18 Sean McBride <sean@rogue-research.com> + Werner Lemberg <wl@gnu.org> + + Fix clang warnings. + + * src/autofit/aflatin.c (af_latin_metrics_init_blues): Initialize + some variables. + + * src/base/ftcalc.c (FT_MulFix): Only use code if + `FT_MULFIX_INLINED' is not defined. + + * src/bdf/bdfdrivr.c (bdf_cmap_class), src/cache/ftcbasic.c + (ftc_basic_image_family_class, ftc_basic_image_cache_class, + ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class), + src/cache/ftccmap.c (ftc_cmap_cache_class), src/cache/ftcmanag.c + (ftc_size_list_class, ftc_face_list_class), src/pcf/pcfdrivr.c + (pcf_cmap_class), src/pfr/pfrdrivr.c (pfr_metrics_service_rec): Make + function static. + + * src/type1/t1driver.c (t1_ps_get_font_value): Remove redundant + code. + +2014-03-17 Werner Lemberg <wl@gnu.org> + + Fix Savannah bug #41869. + + This works around a problem with HarfBuzz (<= 0.9.26), which doesn't + validate glyph indices returned by + `hb_ot_layout_lookup_collect_glyphs'. + + * src/autofit/hbshim.c (af_get_coverage): Guard `idx'. + + * docs/CHANGES: Updated. + +2014-03-14 Werner Lemberg <wl@gnu.org> + + * builds/unix/configure.raw: Don't show error messages of `which'. + +2014-03-09 Alan Coopersmith <alan.coopersmith@oracle.com> + + Fix cppcheck 1.64 warning. + + * src/autofit/afglobal.c (af_face_globals_new): Catch NULL pointer + dereference in case of error. + +2014-03-09 Sean McBride <sean@rogue-research.com> + + * src/sfnt/ttcmap.c (tt_face_build_cmaps): Remove clang warning. + 2014-03-06 Werner Lemberg <wl@gnu.org> * Version 2.5.3 released. @@ -106,7 +2063,7 @@ option. (libs): Updated. (staticlibs): New variable, to be used if `--static' is given. - * builds/doc/freetype-config.1: Document `--static'. + * docs/freetype-config.1: Document `--static'. * builds/unix/freetype2.in, builds/unix/unix-def.in: Updated. |