src/autofit/aflatin.c


Log

Author Commit Date CI Message
Werner Lemberg bbe84ed9 2015-12-10T09:33:41 [autofit] Remove redundant code. * src/autofit/aflatin.c (af_latin_metrics_init_widths): Do it.
Werner Lemberg dd305f31 2015-12-09T21:00:33 [autofit] Thinko. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Don't count empty blue zones (bug introduced 2015-12-06).
Werner Lemberg 0164d934 2015-12-09T20:04:18 [autofit] Introduce subscript top blue zones. This feature is mainly for Khmer: The idea is to avoid a clash between the top of subscript glyphs and the bottom of normal baseline glyphs. This only works for character clusters mapped to multiple glyphs. * src/autofit/afblue.dat: Add subscript top blue zone for Khmer. * src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_SUB_TOP): New macro. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/aflatin.h (AF_LATIN_IS_SUB_TOP_BLUE, AF_LATIN_BLUE_SUB_TOP): New macros. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Handle new blue zone property. Update tracing messages. (af_latin_metrics_scale_dim): Handle new blue zone property. (af_latin_hints_compute_blue_edges): Updated.
Werner Lemberg f02e1df7 2015-12-09T14:45:30 [autofit] Fix tracing message. * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Display inactive blue zones also.
Werner Lemberg 24aa9c66 2015-12-06T18:52:41 [autofit] Rewrite HarfBuzz interface to support character clusters. Scripts like Khmer have blue zones that can't be directly represented by Unicode characters. Instead, it is necessary to let HarfBuzz convert character clusters into proper glyph representation forms, then deriving the blue zone information from the resulting glyphs. * src/autofit/hbshim.c, src/autofit/hbshim.h: Replaced by... * src/autofit/afshaper.c, src/autofit/afshaper.h: ... these two new files, providing a new API to access HarfBuzz. The new API manages a HarfBuzz buffer with `af_shaper_buf_create' and `af_shaper_buf_destroy'. The buffer receives a UTF8 encoded string with function `af_shaper_get_cluster', and the resulting glyph data (indices, advance widths, vertical offsets) can be iteratively accessed with function `af_shaper_get_elem'. * src/autofit/afcjk.c (af_cjk_metrics_init_widths, af_cjk_metrics_init_blues, af_cjk_metrics_check_digits): Updated. * src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_metrics_init_blues, af_latin_metrics_check_digits): Updated. * include/freetype/internal/fttrace.h: s/afharfbuzz/afshaper/. * src/autofit/afglobal.c: s/hbshim.h/afshaper.h/. (af_face_globals_compute_style_coverage): Updated. * src/autofit/afglocal.h: s/hbshim.h/afshaper.h/. * src/autofit/autofit.c: s/hbshim.c/afshaper.c/. * src/autofit/Jamfile, src/autofit/rules.mk (AUTOF_DRV_SRC): Updated.
Werner Lemberg de599941 2015-12-06T18:18:02 [autofit] Prepare forthcoming changes. This makes it easier to control the commits. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Add dummy loop. No functional change.
Werner Lemberg f45c0bf9 2015-12-06T09:58:18 [autofit] Use string of standard characters. This is more flexible; additionally, it would allow character clusters. * src/autofit/aftypes.h (SCRIPT, AF_DEFINE_SCRIPT_CLASS): Updated. (AF_ScriptClassRec): Replace `standard_char[123]' with `standard_charstring'. * src/autofit/afscript.h: Replace last three character arguments of the `SCRIPT' calls with a string parameter, holding the standard characters (in UTF-8 encoding) separated with spaces. * src/autofit/afglobal.c, src/autofit/afglobal.h, src/autofit/afpic.c, src/autofit/afranges.c, src/autofit/hbshim.c (SCRIPT): Updated. * src/autofit/afcjk.c (af_cjk_metrics_init_widths), src/autofit/aflatin.c (af_latin_metrics_init_widths): Updated.
Philipp Knechtges be32b168 2015-11-08T08:37:51 [autofit] Don't distort (latin) glyphs too much (#46195). * src/autofit/aflatin.h (AF_LatinBlueRec): Add `ascender' and `descender' fields. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Collect ascender and descender data for blue zones. (af_latin_metrics_scale_dim): Reject vertical scaling values that change the result by more than two pixels.
Nikolaus Waxweiler 37c401ac 2015-11-02T09:32:26 [autofit] Add functions to get standard widths for writing systems. We need the computed standard horizontal and vertical widths for the emboldening calculation. This method provides a convenient way to extract it from writing-system-specific metrics structures, which all script definitions must implement. * src/autofit/aftypes.h (AF_WritingSystem_GetStdWidthsFunc): New function type. (AF_WritingSystemClassRec): New member `style_metrics_getstdw'. (AF_DEFINE_WRITING_SYSTEM_CLASS): Updated. * src/autofit/afcjk.c (af_cjk_get_standard_width): New function. (af_cjk_writing_system_class): Updated. * src/autofit/afdummy.c (af_dummy_writing_system_class): Updated. * src/autofit/afindic.c (af_cjk_get_standard_width): New function. (af_indic_writing_system_class): Updated. * src/autofit/aflatin.c (af_latin_get_standard_width): New function. (af_indic_writing_system_class): Updated. * src/autofit/aflatin.c (af_latin_get_standard_width): New function. (af_indic_writing_system_class): Updated.
Werner Lemberg dbd04269 2015-09-30T17:52:42 [autofit] Replace `no-base' with `non-base'. * src/autofit/*: Do it.
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 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 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 15e2a4f7 2015-08-05T21:53:50 [autofit] Improve recognition of flat vs. rounded segments. Lower the flatness threshold from upem/8 to upem/14, making the auto-hinter accept shorter elements. Synchronize flat/round stem selection algorithm with blue zone code. * src/autofit/aflatin.c (FLAT_THRESHOLD): New macro. (af_latin_metrics_init_blues): Use it. (af_latin_hints_compute_segments): Collect information on maximum and minimum coordinates of `on' points; use this to add a constraint for the flat/round decision similar to `af_latin_metrics_init_blues'.
Werner Lemberg 12661a5a 2015-04-21T07:13:59 [autofit] Introduce `warping' property. This code replaces the debugging hook from the previous commit with a better, more generic solution. * include/ftautoh.h: Document it. * src/autofit/afmodule.h (AF_ModuleRec) [AF_CONFIG_OPTION_USE_WARPER]: Add `warping' field. * src/autofit/afmodule.c (_af_debug_disable_warper): Remove. (af_property_set, af_property_get, af_autofitter_init) [AF_CONFIG_OPTION_USE_WARPER]: Handle `warping' option. * src/autofit/afhints.h (AF_HINTS_DO_WARP): Remove use of the no longer existing `_af_debug_disable_warper'. * src/autofit/afcjk.c (af_cjk_hints_init), src/autofit/aflatin.c (af_latin_hints_init), src/autofit/aflatin2.c (af_latin2_hints_init) [AF_CONFIG_OPTION_USE_WARPER]: Add `AF_SCALER_FLAG_NO_WARPER' to the scaler flags if warping is off. * src/autofit/aftypes.h: Updated.
Werner Lemberg 58f48f0d 2015-04-16T20:11:49 [autofit] Add debugging hook to disable warper. * src/autofit/afmodule.c (_af_debug_disable_warper) [FT_DEBUG_AUTOFIT]: New global variable. * src/autofit/aftypes.h: Updated. (AF_SCALER_FLAG_NO_WARPER): New macro (not actively used yet). * src/autofit/afhints.h (AF_HINTS_DO_WARP): New macro. * src/autofi/aflatin.c (af_latin_hints_apply) [AF_CONFIG_OPTION_USE_WARPER]: Use `AF_HINTS_DO_WARP' to control use of warper. * src/autofit/afcjk.c (af_cjk_hints_init, af_cjk_hints_apply) [AF_CONFIG_OPTION_USE_WARPER]: Synchronize with `aflatin.c'. * src/autofit/aflatin2.c (af_latin2_hints_apply) [AF_CONFIG_OPTION_USE_WARPER]: Synchronize with `aflatin.c'.
Alexei Podtelezhnikov eae1b3e3 2015-04-13T22:40:17 [autofit,pshinter] NULL.
Alexei Podtelezhnikov 770b5d06 2015-04-02T23:15:36 * src/autofit/aflatin.c (af_latin_hint_edges): Reduce logic.
Werner Lemberg a374c9cf 2015-03-03T11:23:45 [autofit] Fix Savannah bug #44241. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Reject glyphs with less than 3 points.
Werner Lemberg 851e8151 2015-03-01T19:27:09 Various compiler warning fixes for `make multi'. * src/autofit/afcjk.c (af_cjk_hints_compute_blue_edges), src/autofit/aflatin.c (af_latin_hint_compute_blue_edges, af_latin_hint_edges), src/autofit/aflatin2.c (af_latin2_hints_compute_blue_edges, af_latin2_hint_edges): Declare as `static'. * src/cache/ftccmap.c (FTC_CMAP_QUERY_HASH, FTC_CMAP_NODE_HASH): Removed. Unused. * src/cache/ftcimage.c: Include FT_INTERNAL_OBJECTS_H. * src/cache/ftcmanag.c (FTC_LRU_GET_MANAGER): Removed. Unused. * src/cff/cf2intrp.c: Include `cf2intrp.h'. * src/cff/cffdrivr.c (PAIR_TAG): Removed. Unused. * src/gzip/ftgzip.c (NO_DUMMY_DECL): Removed. Unused. * src/psaux/afmparse.c (afm_parser_read_int): Declare as `static'. * src/pshinter/pshalgo.c (STRONGER, PSH_ZONE_MIN, PSH_ZONE_MAX): Removed. Unused. * src/raster/ftraster.c (Render_Glyph): Declare as `static'. * src/sfnt/ttpost.c (load_format_20): Fix signedness warning. * src/truetype/ttdriver.c (PAIR_TAG): Removed. Unused. * src/truetype/ttsubpix.c (is_member_of_family_class, is_member_of_style_class): Declare as `static'. * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Declare as `static'. * src/type1/t1load.c (mm_axis_unmap, mm_weights_unmap): Declare as `static'. (T1_FIELD_COUNT): Removed. Unused. * src/type1/t1parse.h (T1_Done_Table): Removed. Unused. * src/type42/t42parse.c (T1_Done_Table): Removed. Unused.
Werner Lemberg b57bb11a 2015-02-19T10:44:18 [autofit] Fix signedness issues. * src/autofit/afangles.c, src/autofit/afcjk.c, src/autofit/afglobal.c, src/autofit/afhints.c, src/autofit/aflatin.c, src/autofit/aflatin2.c, src/autofit/afwarp.c, src/autofit/hbshim.c: Apply.
Werner Lemberg 81e5ff53 2015-02-19T09:46:48 [autofit] Use macros for (unsigned) flags, not enumerations. This harmonizes with other code in FreeType (and reduces the number of necessary casts to avoid compiler warnings). * src/autofit/afblue.hin: Make flag macros unsigned. * src/autofit/afblue.h: Regenerated. * src/autofit/afcjk.h: Replace flag enumeration with macros. * src/autofit/afcjk.c: Updated. * src/autofit/afhints.h (AF_Flags, AF_Edge_Flags): Replace with macros. * src/autofit/afhints.c: Updated. * src/autofit/aflatin.h: Replace flag enumerations with macros. * src/autofit/aflatin.c, src/autofit/aflatin2.c: Updated. * src/autofit/aftypes.h (AF_ScalerFlags): Replace with macros.
Werner Lemberg f57fc59e 2015-01-17T20:41:43 Run `src/tools/update-copyright'.
Werner Lemberg 5b68e4fb 2014-09-24T19:06:13 [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...
Werner Lemberg 7a615283 2014-09-22T08:38:00 [autofit] Minor.
Werner Lemberg 231171fc 2014-06-17T09:14:32 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.
Werner Lemberg 6497b9c5 2014-06-13T09:28:00 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'.
Werner Lemberg 63bef9a5 2014-05-01T07:16:05 [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.
Werner Lemberg ccfc4b4c 2014-04-28T21:13:14 [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.
Werner Lemberg 98e510ee 2014-04-20T22:11:27 [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.
Werner Lemberg 71f53e12 2014-04-05T16:27:19 [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.
Werner Lemberg 87360a78 2014-04-05T00:08:52 [aflatin] Improve comment.
Werner Lemberg cc7cf2c3 2014-03-19T07:35:35 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.
Sean McBride 87628724 2014-03-18T08:39:35 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.
Werner Lemberg a8772918 2014-02-04T11:36:08 [autofit] Minor fix. * src/autofit/afcjk.c (af_cjk_metrics_init_widths), src/autofit/aflatin.c (af_latin_metrics_init_widths): Fix handling of alternative standard characters. This also fixes a compilation warning in non-debug mode.
Werner Lemberg a3364001 2014-01-26T09:45:23 [autofit] Introduce two more slots for standard characters. This is useful for OpenType features like `c2sc' (caps to small caps) that don't have lowercase letters by definition, or other features that mainly operate on numerals. * src/autofit/afscript.h: Add more standard characters. * src/autofit/aftypes.h: Update use of `SCRIPT' macro. (AF_ScriptClassRec): Add members to hold two more standard characters. (AF_DEFINE_SCRIPT_CLASS): Updated. * src/autofit/afglobal.c, src/autofit/afglobal.h, * src/autofit/afpic.c, src/autofit/afranges.h, src/autofit/hbshim.c: Update use of `SCRIPT' macro. * src/autofit/afcjk.c (af_cjk_metrics_init_widths), src/autofit/aflatin.c (af_latin_metrics_init_widths): Scan two more standard characters.
Werner Lemberg eb7691cc 2014-01-24T19:04:22 Fix Savannah bug #41320. * src/autofit/aflatin.c (af_latin_metrics_init_blues) <AF_LATIN_IS_LONG_BLUE>: Avoid negative index of `last'.
Werner Lemberg 2b623fe4 2014-01-15T09:46:23 Minor doc issues.
Werner Lemberg ecdb0e35 2014-01-03T20:49:31 [autofit] Thinko. * src/autofit/hbshim.c (af_get_char_index): Similar to `af_get_coverage', reject glyphs which are not substituted.
Werner Lemberg 73cc8330 2014-01-01T07:10:36 [autofit] Implement and use `af_get_char_index' with HarfBuzz. * src/autofit/hbshim.c (COVERAGE) [FT_CONFIG_OPTION_USE_HARFBUZZ]: Redefine to construct HarfBuzz features. (af_get_char_index) [FT_CONFIG_OPTION_USE_HARFBUZZ]: Rewritten. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Use `y_offset' to adjust `best_y'.
Werner Lemberg 785f3857 2013-12-31T09:45:10 [autofit] s/AF_STYLE_...._DEFAULT/AF_STYLE_...._DFLT/i.
Werner Lemberg c9d9947c 2013-12-31T08:16:57 [autofit] Fix interface of `af_get_char_index'. * src/autofit/hbshim.c (af_get_char_index): Return error value. Add argument for y offset (to be used in a yet-to-come patch). * src/autofit/hbshim.h, src/autofit/afcjk.c, src/autofit/aflatin.c: Updated.
Werner Lemberg 17af586e 2013-12-28T10:33:01 [autofit] Add wrapper function for `FT_Get_Char_Index'. Yet-to-come changes will provide HarfBuzz functionality for the new function. * src/autofit/hbshim.c (af_get_char_index): New function. * src/autofit/hbshim.h: Updated. * src/autofit/afcjk.c (af_cjk_metrics_init_widths, af_cjk_metrics_init_blues, af_cjk_metrics_check_digits): Updated. * src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_metrics_init_blues, af_latin_metrics_check_digits): Updated.
Werner Lemberg 8a8f3758 2013-12-20T18:35:35 [autofit] Fix PIC compilation. * src/autofit/afcjk.c (af_cjk_metrics_init_widths), src/autofit/aflatin.c (af_latin_metrics_init_widths) [FT_CONFIG_OPTION_PIC]: Declare `globals'. * src/autofit/afglobal.c: Always call AF_DEFINE_SCRIPT_CLASS, and AF_DEFINE_STYLE_CLASS. * src/autofit/afpic.c: Include `afglobal.h'. (autofit_module_class_pic_init): Typo. * src/autofit/aftypes.h (AF_DEFINE_SCRIPT_CLASS, AF_DEFINE_STYLE_CLASS): Don't use the same identifier for macro parameter and structure member.
Werner Lemberg 974b193b 2013-12-20T17:26:26 [autofit] Introduce `styles'. This is the new top-level structure for handling glyph input data; scripts are now defined separately. * src/autofit/aftypes.h (SCRIPT): Updated. (AF_ScriptClassRec): Move `blue_stringset' and `writing_system' members to ... (AF_Style_ClassRec): ... this new structure. (AF_Style): New enumeration. (AF_StyleMetricsRec): Replace `script' enumeration with `style_class' pointer. (AF_DEFINE_SCRIPT_CLASS, AF_DECLARE_SCRIPT_CLASS): Updated. (AF_DEFINE_STYLE_CLASS, AF_DECLARE_STYLE_CLASS): New macros. * src/autofit/afstyles.h: New file, using data from `afscript.h'. * src/autofit/afscript.h: Updated. * src/autofit/afcjk.c (af_cjk_metrics_init_widths, af_cjk_metrics_init_blues, af_cjk_hint_edges): Updated. * src/autofit/afglobal.c (SCRIPT): Updated. (STYLE): Redefine macro to load `afstyles.h'. (af_script_names) [FT_DEBUG_LEVEL_TRACE]: Replace with... (af_style_names): ... this array. (af_face_globals_compute_script_coverage): Renamed to... (af_face_globals_compute_style_coverage): ... this. Updated. (af_face_globals_new, af_face_globals_free, af_face_globals_get_metrics): Updated. * src/autofit/afglobal.h (SCRIPT): Updated. (STYLE): Redefine macro to load `afstyles.h'. (AF_SCRIPT_FALLBACK): Update definition. This will get more refinements with later on. (AF_SCRIPT_UNASSIGNED): Replace with... (AF_STYLE_UNASSIGNED): ... this macro. (AF_FaceGlobalsRec): Updated. * src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_metrics_init_blues, af_latin_metrics_scale_dim, af_latin_hint_edges): Updated. * src/autofit/aflatin2.c (af_latin2_metrics_init_widths): Updated. (af_ltn2_uniranges): Removed. * src/autofit/afloader.c (af_loader_load_g, af_loader_load_glyph): Updated. * src/autofit/afpic.c (autofit_module_class_pic_init): Updated. * src/autofit/afpic.h (AF_STYLE_CLASSES_GET): New macro. (AFModulePIC): Add `af_style_classes' and `af_style_classes_rec' members. * src/autofit/afranges.h: Updated. * src/autofit/rules.mk (AUTOF_DRV_H): Add `afstyles.h'.
Werner Lemberg d8324571 2013-12-19T15:45:24 [autofit] Factor scripts and uniranges out of writing system files. * src/autofit/afranges.c, src/autofit/afranges.h: New files. * src/autofit/afscript.h: Extend `SCRIPT' macro with more parameters, taking data from the writing system files. * src/autofit/aftypes.h: Updated. * src/autofit/afglobal.c: Include `afranges.h'. Load `afscript.h' to call AF_DEFINE_SCRIPT_CLASS. * src/autofit/afglobal.c: Include `afranges.h'. Load `afscript.h' to call AF_DECLARE_SCRIPT_CLASS. * src/autofit/afcjk.c, src/autofit/afcjk.h: Updated. * src/autofit/afdummy.c, src/autofit/afdummy.h: Updated. * src/autofit/afindic.c, src/autofit/afindic.h: Updated. * src/autofit/aflatin.c, src/autofit/aflatin.h: Updated. * src/autofit/aflatn2.c, src/autofit/aflatn2.h: Updated. * src/autofit/afpic.c: Updated. * src/autofir/autofit.c: Include `afranges.c'. * src/autofit/rules.mk (AUTOF_DRV_SRC): Add `afranges.c'.
Werner Lemberg 45930622 2013-12-19T15:24:39 [autofit] Minor.
Werner Lemberg 73f31981 2013-12-19T15:24:17 [autofit] More code orthogonality. * src/autofit/aftypes.h (AF_StyleMetrics): Replace `script_class' pointer to an `AF_ScriptClass' structure with `script' index of type `AF_Script'. Move some code around. * src/autofit/afcjk.c: Include `afpic.h'. (af_cjk_metrics_init_widths, af_cjk_metrics_init_blues, af_cjk_hint_edges): Updated. * src/autofit/aflatin.c: Include `afpic.h'. (af_latin_metrics_init_widths, af_latin_metrics_init_blues, af_latin_metrics_scale_dim, af_latin_hint_edges): Updated. * src/autofit/afglobal.c (af_face_globals_get_metrics): Updated. * src/autofit/afloader.c (af_loader_load_g, af_loader_load_glyph): Updated.
Werner Lemberg 3f91cb33 2013-12-18T12:59:35 [autofit] s/ScriptMetrics/StyleMetrics/.
Werner Lemberg 7a5fc2f3 2013-12-17T13:29:53 [autofit] s/AF_Script_/AF_WritingSystem_/ where appropriate.
Werner Lemberg 75efc2d0 2013-10-19T21:46:03 [autofit] s/SMALL_TOP/X_HEIGHT/. * src/autofit/afblue.dat: Updated. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/aflatin.c, src/autofit/aflatin.h, src/autofit/atlatin2.c: Updated.
Werner Lemberg 955f6a86 2013-10-16T19:47:57 [autofit] Improve tracing message for extra light flag. * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Do it.
Werner Lemberg b6695243 2013-10-12T10:33:04 [autofit] Improve tracing of `latin' hinter. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Report blue zone types. (af_latin_metrics_scale_dim): Report scaling changes due to x height alignment. Report scaled stroke width and blue zone values.
Werner Lemberg b75a8b88 2013-09-25T09:46:36 * src/autofit/aflatin.c (af_{grek,cyrl}_uniranges): Fix arrays.
Werner Lemberg 5a4c5a5b 2013-09-22T22:37:26 [autofit] Disunify Cyrillic and Greek handling from Latin. * src/autofit/afscript.h: Add Cyrillic and Greek. * src/autofit/afblue.dat (AF_BLUE_STRINGSET_GREK, AF_BLUE_STRINGSET_CYRL): Add blue zones for Greek and Cyrillic. (AF_BLUE_STRINGSET_LATN): Fix typo. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/aflatin.c (af_grek_uniranges, af_cyrl_uniranges): New arrays. (af_grek_script_class, af_cyrl_script_class): New scripts. * src/autofit/aflatin.h: Updated.
Werner Lemberg 3f542498 2013-09-11T23:08:31 [autofit] Improve Hebrew rendering. This change introduces a new blue zone property `AF_BLUE_PROPERTY_LATIN_LONG' to make the auto-hinter ignore short top segments. * src/autofit/afblue.dat: Fix Hebrew blue strings. Use AF_BLUE_PROPERTY_LATIN_LONG for AF_BLUE_STRING_HEBREW_TOP. * src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_LONG): New macro. * src/autofit/afblue.c, src/autofit/afblue.h: Updated. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Handle `AF_LATIN_IS_LONG_BLUE'. * src/autofit/aflatin.h (AF_LATIN_IS_LONG_BLUE): New macro.
Werner Lemberg 5e53db25 2013-08-27T18:37:39 [autofit] While tracing, report script names instead of ID values. * src/autofit/afglobal.c (af_script_names) [FT_DEBUG_LEVEL_TRACE]: New array. * src/autofit/afglobal.h: Updated. * src/autofit/afcjk.c (af_cjk_metrics_init_widths, af_cjk_hint_edges): Use `af_script_names'. * src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_hint_edges): Ditto.
Werner Lemberg 278f64b3 2013-08-26T20:20:03 [autofit] Report used script while hinting a glyph. * src/autofit/afcjk.c (af_cjk_hint_edges), src/autofit/aflatin.c (af_latin_hint_edges): Implement it.
Werner Lemberg 371f5c3b 2013-08-26T20:11:24 [autofit] Add support for Hebrew script. * src/autofit/afblue.dat: Add blue strings for Hebrew. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/aflatin.c (af_hebr_uniranges): New array. (af_hebr_script_class): New script. * src/autofit/aflatin.h, src/autofit/afscript.h: Updated.
Werner Lemberg 098121db 2013-08-26T18:54:05 [autofit] Improve tracing messages. * src/autofit/afcjk.c (af_cjk_metrics_init_widths): Mention script ID in tracing message. (af_cjk_metrics_init_blues): Initialize `axis' outside of the inner loop. Improve tracing messages. (af_cjk_hint_edges) [FT_DEBUG_LEVEL_TRACE]: New variable `num_actions' to count hinting actions. Improve tracing messages. * src/autofit/aflatin.c (af_latin_metrics_init_widths): Mention script ID in tracing message. (af_latin_metrics_init_blues, af_latin_hint_edges): Improve tracing messages.
Werner Lemberg 306f8c5d 2013-08-25T13:07:08 [autofit] Synchronize `cjk' with `latin' module (and vice versa). * src/autofit/afcjk.c (af_cjk_metrics_init_widths): Add tracing messages. (af_cjk_metrics_init_blues): Don't pass blue string array as argument but use the global array directly. Use `outline' directly. Update and add tracing messages. (af_cjk_metrics_init): Simplify code. (af_cjk_metrics_scale_dim): Improve tracing message. (af_cjk_metrics_scale): Synchronize. * src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_metrics_init_blues): Improve and add tracing messages.
Werner Lemberg 0975d685 2013-08-25T08:37:47 [autofit] Make `latin' module use blue stringsets. * src/autofit/aflatin.c (AF_LATIN_MAX_TEST_CHARACTERS): Removed. (af_latin_blue_chars): Removed. (af_latin_metrics_init_blues): Replace AF_LATIN_MAX_TEST_CHARACTERS with AF_BLUE_STRING_MAX_LEN. Change loops to use offsets (in file `afblue.h') into the new arrays `af_blue_stringsets' and `af_blue_strings' (in file `afblue.c'). Use `AF_LATIN_IS_SMALL_TOP_BLUE' macro. * src/autofit/aflatin.h: Remove old enumeration values superseded by the new data in `afblue.h'. (AF_LATIN_IS_TOP_BLUE): Updated definition. (AF_LATIN_IS_SMALL_TOP_BLUE): New macro. (AF_LATIN_MAX_BLUES): Remove. (AF_LatinAxisRec): Updated.
Werner Lemberg db3e5b93 2013-08-25T08:23:22 [autofit] Add blue stringsets. * src/autofit/aftypes.h: Include `afblue.h'. (AF_ScriptClassRec): Add `blue_stringset' field. (AF_DEFINE_SCRIPT_CLASS): Updated. * src/autofit/autofit.c: Include `afblue.c'. * src/autofit/afcjk.c (af_hani_script_class), src/autofit/afdummy.c (af_dflt_script_class), src/autofit/afindic.c (af_deva_script_class), src/autofit/aflatin.c (af_latn_script_class), src/autofit/aflatin2.c (af_ltn2_script_class): Updated. * src/autofit/rules.mk (AUTOF_DRV_SRC): Add `afblue.c'.
Werner Lemberg 72f5ff5b 2013-07-31T22:49:29 [autofit] Introduce `writing systems'. This patch adds a new top level to the auto-hinter's script class hierarchy. It defines `writing systems' which can contain multiple scripts. For example, the `latin' writing system (in file `aflatin.c') is able to support scripts like Latin, Cyrillic, Armenian, etc., which can be handled similarly. Scripts are now named using four-letter OpenType tags. * src/autofit/aftypes.h (AF_ScriptClassRec): Move relevant members to... (AF_WritingSystemClassRec): This new structure. It holds pointers to functions which can be shared among related scripts. (AF_WritingSystem): New enumeration. (AF_Script): Revised values using four-letter tags. (AF_DEFINE_WRITING_SYSTEM_CLASS): New macro. (AF_DEFINE_SCRIPT_CLASS): Updated. * src/autofit/afglobal.c (af_writing_system_classes): New global, constant array. (af_script_classes): Updated. (af_face_globals_free): Updated. Remove assertion. (af_face_globals_get_metrics): Updated. * src/autofit/afglobal.h (AF_SCRIPT_FALLBACK) [!AF_CONFIG_OPTION_CJK]: Handle this case. * src/autofit/afloader.c (af_loader_load_g, af_loader_load_glyph): Updated. * src/autofit/afpic.c (autofit_module_class_pic_init): Updated; initialize structures for both writing systems and scripts. * src/autofit/afpic.h: Updated. (AF_WRITING_SYSTEM_CLASSES_GET): New macro. * src/autofit/afcjk.c (af_cjk_writing_system_class): New writing system. (af_cjk_uniranges): Renamed to... (af_hani_uniranges): This. (af_cjk_script_class): Reduced and renamed to... (af_hani_script_class): This. * src/autofit/afcjk.h: Updated. * src/autofit/afdummy.c (af_dummy_writing_system_class): New writing system. (af_dummy_script_class): Reduced and renamed to... (af_dflt_script_class): This. * src/autofit/afdummy.h: Updated. * src/autofit/afindic.c (af_indic_writing_system_class): New writing system. (af_indic_uniranges): Renamed to... (af_deva_uniranges): This. (af_indic_script_class): Reduced and renamed to... (af_deva_script_class): This. * src/autofit/afcjk.h: Updated. * src/autofit/aflatin.c (af_latin_writing_system_class): New writing system. (af_latin_uniranges): Renamed to... (af_latn_uniranges): This. (af_latin_script_class): Reduced and renamed to... (af_latn_script_class): This. * src/autofit/aflatin.h: Updated. * src/autofit/aflatin2.c (af_latin2_writing_system_class): New writing system. (af_latin2_uniranges): Renamed to... (af_ltn2_uniranges): This. Synchronize ranges with `latin'. (af_latin2_script_class): Reduced and renamed to... (af_ltn2_script_class): This. * src/autofit/aflatin2.h: Updated.
Werner Lemberg 5d6a3605 2013-07-30T23:17:04 [autofit] Variable renaming. * src/autofit/aftypes.h (AF_ScriptMetricsRec): s/clazz/script_class/. Update all users.
Werner Lemberg 05c1421f 2013-07-19T23:11:23 [autofit] Fix segment classification for blue zones. The old code (essentially unchanged since the very beginning) incorrectly handled this configuration x -o- x / \ / \ / \ o o as flat and this o o / / x| x| | | o---------------o as round. (`o' and `x' are on and off points, respectively). This is a major change which should improve the rendering results enormously for many TrueType fonts, especially in the range approx. 20-40ppem, fixing the appearance of many overshoots. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Look at the first and last points of the segment, not the points right before and after.
Werner Lemberg aa0ac323 2013-07-02T10:36:26 [sfnt] Fix documentation of `tt_face_get_metrics'. Problem reported in Savannah bug #39383.
Werner Lemberg ccbdc3c4 2013-05-08T09:17:56 * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Typo.
Werner Lemberg eed83061 2013-03-23T14:25:43 Whitespace.
Werner Lemberg e3c93015 2013-03-14T11:21:17 */*: Use FT_Err_Ok only. This is a purely mechanical conversion.
Werner Lemberg 3a553400 2012-11-15T16:37:05 [autofit] Trace stem widths. * src/autofit/aflatin.c (af_latin_metrics_init_widths): Add some FT_TRACE calls.
Werner Lemberg 1a37e417 2012-11-12T11:01:07 [autofit] Minor improvement. * src/autofit/aflatin.c (af_latin_hints_compute_blue_edges): Fix loop.
Werner Lemberg f966da82 2012-11-10T12:42:18 [autofit] Improve tracing. * src/autofit/aflatin.c (af_latin_hint_edges) [FT_DEBUG_LEVEL_TRACE]: Count number of actions and emit something if there weren't any.
Werner Lemberg 553bb3c3 2012-10-24T14:22:14 [autofit] Add standard character to `AF_ScriptClassRec' structure. * src/autofit/aftypes.h (AF_ScriptClassRec): Add `standard_char' member. (AF_DEFINE_SCRIPT_CLASS): Updated. * src/autofit/aflatin.c (af_latin_metrics_init_widths): Use it. (af_latin_metrics_init, af_latin_script_class): Updated. * src/autofit/aflatin.c (af_latin2_metrics_init_widths): Use it. (af_latin2_metrics_init, af_latin2_script_class): Updated. * src/autofit/afcjk.c (af_cjk_metrics_init_widths): Use it. (af_cjk_metrics_init, af_cjk_script_class): Updated. * src/autofit/afindic.c(af_indic_metrics_init, af_indic_script_class): Updated. * src/autofit/afcjk.h, src/autofit/aflatin.h: Updated. * src/autofit/afdummy.c: Updated.
Werner Lemberg 118c6025 2012-10-24T12:26:20 [autofit] Only use Unicode CMap. * src/autofit/aflatin.c (af_latin_metrics_init): Implement it, to be in sync with `af_face_globals_compute_script_coverage)'.
Werner Lemberg dda1e93d 2012-10-20T08:34:57 [autofit] Fix `make multi CC=c++'. * src/autofit/aflatin.c, src/autofit/aflatin2.c: Include `afglobal.h'. * src/autofit/afloader.c: Fix order of header files. * src/autofit/afmodule.c: Include `afglobal.h' and `aferrors.h'.
Werner Lemberg 7da6bbc3 2012-09-25T06:37:15 Typos.
Werner Lemberg d180ac70 2012-09-18T23:26:37 [autofit] Implement Infinality's `increase glyph heights'. This is an improved version of a similar fix contained in the so-called `Infinality patch', taken from http://www.infinality.net/fedora/linux/zips/freetype-infinality-2.4.10-20120616_01-x86_64.tar.bz2 which addresses various enhancements of the auto-hinter. Without properties to control a module's metadata it wasn't possible to adapt the patches because everything was originally controlled by environment variables which I consider not suitable in general. A patch to control `increase_x_height' follows. * src/autofit/afglobal.h (AF_PROP_INCREASE_X_HEIGHT_MIN, AF_PROP_INCREASE_X_HEIGHT_MAX): New macros. (AF_FaceGlobalsRec): Add `increase_x_height' member. * src/autofit/afglobal.c (af_face_globals_new): Initialize it. * src/autofit/aflatin.c (af_latin_metrics_scale_dim), * src/autofit/aflatin2.c (af_latin2_metrics_scale_dim): Implement handling of `increase_x_height'.
Werner Lemberg 302fd625 2012-09-16T07:51:20 [autofit] Cosmetics.
Werner Lemberg 44e1f0d3 2012-09-15T11:11:18 [autofit] Correct previous Unicode 6.1.0 change. The auto-hinter's latin module only handles latin ligatures in the `Alphabetical Presentation Forms' block. * src/autofit/aflatin.c (af_latin_uniranges): Fix it.
Werner Lemberg 8ae2a65e 2012-09-14T14:10:01 [autofit] Update to Unicode 6.1.0. * src/autofit/afcjk.c (af_cjk_uniranges), src/autofit/aflatin.c (af_latin_uniranges): Add and fix ranges.
Werner Lemberg 5b995a8d 2012-08-05T11:11:44 [autofit] Improve recognition of flat segments. Problem reported by Brad Dunzer <BDunzer@extensis.com>. * src/autofit/aflatin.c (af_latin_metrics_init_blues): We have a flat segment if the horizontal distance of best on-points is larger than a given threshold.
Werner Lemberg e194d7cd 2012-08-05T10:58:02 [autofit] Variable renamings. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Replace `glyph' with `outline'. s/best_first/best_contour_first/. s/best_last/best_contour_last/.
Werner Lemberg 5a0af493 2012-07-09T08:19:25 [autofit] Improve debugging messages; do some code cleanup. * src/autofit/aflatin.c (af_latin_align_linked_edge, af_latin_hint_edges): Synchronize with formatting used in the ttfautohint project.
Werner Lemberg 52103061 2012-07-04T17:20:33 Fix Savannah bug #36091. * src/autofit/aflatin.c (af_latin_metrics_init_blues), src/autofit/aflatin2.c (af_latin2_metrics_init_blues): Change the constraint for testing round vs. flat segment: Accept either a small distance or a small angle.
Werner Lemberg 09e9b596 2012-07-04T13:00:06 [autofit] Beautify blue zone tracing. * src/autofit/aflatin.c (af_latin_metrics_init_blues), src/autofit/aflatin2.c (af_latin2_metrics_init_blues): Implement it.
Werner Lemberg 2a9c4552 2012-07-03T11:54:12 [autofit] Quantize stem widths. * src/autofit/afangles.c (af_sort_widths): Rename to... (af_sort_and_quantize_widths): This. Add code to avoid stem widths which are almost identical. * src/autofit/aftypes.h, src/autofit/aflatin.c, src/autofit/afcjk.c: Updated.
Werner Lemberg 8be32d2f 2012-03-28T12:21:50 [autofit] Properly copy scaler flags to script metrics object. Without this patch, only the dummy and cjk autohinter modules get them (since they copy the whole scaler object). * src/autofit/aflatin.c (af_latin_metrics_scale), src/autofit/aflatin2.c (af_latin2_metrics_scale): Implement it.
Werner Lemberg c52f44d4 2011-11-30T10:46:53 Whitespace.
Werner Lemberg 4696dde2 2011-06-20T19:09:02 * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Fix change from 2011-05-04.
Werner Lemberg 58d1a5ee 2011-06-08T09:32:56 [autofit] Remove unused structure member. * src/autofit/afhints.h (AF_SegmentRec): Remove `contour'. * src/autofit/aflatin.c (af_latin_hints_compute_segments), src/autofit/aflatin2.c (af_latin2_hints_compute_segments): Updated.
Werner Lemberg 71cc1a83 2011-05-30T07:20:37 Fix gcc 4.6 compiler warnings. * src/autofit/afcjk.c (af_cjk_metrics_init_blues): Use casts and remove unused variables. * src/autofit/aflatin.c (af_latin_hints_compute_edges): Comment out `up_dir'. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Use `height_org' and `width_org' conditionalized.
Werner Lemberg 735e5abb 2011-05-27T10:22:42 [autofit] Improve tracing of hinting process. * src/autofit/aflatin.c (af_latin_hint_edges): Add tracing message `ADJUST'.
Werner Lemberg a3a0f57a 2011-05-04T06:14:30 * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Simplify.
Werner Lemberg c3135e43 2011-05-02T06:04:15 [autofit] Fix and add comments.
Werner Lemberg b9aa1f13 2011-04-28T09:09:45 [autofit] Improve tracing messages. * src/autofit/aflatin.c (af_latin_metrics_init_blues, af_latin_align_linked_edge, af_latin_hint_edges): Do it.
Werner Lemberg d503b1bc 2011-04-18T19:05:28 Integrate autofitter debugging stuff. * devel/ftoption.h, include/freetype/config/ftoption.h (FT_DEBUG_AUTOFIT): New macro. * include/freetype/internal/fttrace.h: Add trace components for autofitter. * src/autofit/aftypes.h (AF_LOG): Removed. (_af_debug): Removed. * src/autofit/*: s/AF_DEBUG/FT_DEBUG_AUTOFIT/. s/AF_LOG/FT_TRACE5/. Define FT_COMPONENT where necessary.
Werner Lemberg 948a8fb6 2011-04-04T13:02:08 Fix formatting of autofit debug dumps. * src/autofit/afhints.c (af_glyph_hints_dump_points, af_glyph_hints_dump_segments, af_glyph_hints_dump_edges): Adjust column widths.
Werner Lemberg 9f5ed811 2011-04-02T07:23:00 Cosmetics.
Werner Lemberg 544adf73 2011-04-02T07:15:33 Whitespace, typo.