This monster commit was created by applying Nikhil's scripts
`docconverter.py' and `markify.py' to all C header and source files,
followed up by minor manual clean-up.
No change in functionality, of course.
I used commit f7419907bc6044b9b7057f9789866426c804ba82 from
https://github.com/nikramakrishnan/freetype-docs.git.
The font variation code. All parts dependent on the GX code in the
`truetype' module are guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT.
In other words, you can still compile the `cff' module without
defining TT_CONFIG_OPTION_GX_VAR_SUPPORT (which brings you CFF2
support without font variation).
* src/cff/cf2font.c (cf2_font_setup): Add support for font
variation.
* src/cff/cf2font.h (CF2_Font): Add fields for variation data.
* src/cff/cf2ft.c (cf2_free_instance): Free blend data.
(cf2_getVStore, cf2_getNormalizedVector): New functions.
* src/cff/cf2ft.h: Updated.
* src/cff/cf2intrp.c: Include `cffload.h'.
(cf2_cmdRESERVED_15, cf2_cmdRESERVED_16): Replace with...
(cf2_cmdVSINDEX, cf2_cmdBLEND): ... this new enum values.
(cf2_doBlend): New function.
(cf2_interpT2CharString): Handle `vsindex' and `blend' opcodes.
* src/cff/cffload.c (FT_fdot14ToFixed): New macro.
(cff_vstore_done, cff_vstore_load): New functions.
(cff_blend_clear, cff_blend_doBlend, cff_blend_build_vector,
cff_blend_check_vector): New functions.
(cff_load_private_dict): Add arguments for blend vector.
Handle blend data.
(cff_subfont_load, cff_subfont_done): Updated.
(cff_font_load): Handle CFF2 variation store data.
(cff_font_done): Updated.
* src/cff/cffload.h: Include `cffparse.h'.
Updated.
* src/cff/cffobjs.c (cff_face_done): Updated.
* src/cff/cffparse.c: Include `cffload.h'.
(cff_parse_num): Handle internal value 255.
(cff_parse_vsindex, cff_parse_blend): New functions.
(CFF_FIELD_BLEND): New macro.
(cff_parser_run): Updated.
* src/cff/cffparse.h (cff_kind_blend): New enum value.
* src/cff/cfftoken.h: Handle `vstore', `vsindex', and `blend'
dictionary values.
* src/cff/cfftypes.h (CFF_VarData, CFF_AxisCoords, CFF_VarRegion,
CFF_VStore, CFF_Blend): New structures.
(CFF_FontRecDict): Add `vstore_offset' field.
(CFF_Private): Add `vsindex' field.
(CFF_SubFont): Add fields for blend data.
(CFF_Font): Add `vstore' field.
* src/truetype/ttgxvar.c (TT_Get_MM_Var): `CFF2' is equal to `gvar',
since glyph variation data is directly embedded.
(TT_Set_MM_Blend): Don't load `gvar' table for CFF2 fonts.
The new code only displays the first master in the font.
* src/cff/cffgload.c (cff_decode_parse_charstrings): Add new
parameter to allow function calls from dictionaries also.
<cff_op_blend>: Partially implement it.
Update all callers.
* src/cff/cffgload.h: Updated.
* src/cff/cffparse.c (cff_parser_init): Add new parameter to pass the
number of Multiple Master designs.
Update all callers.
(cff_parse_multiple_master): New function to rudimentarily parse
operator.
(cff_parser_run): Handle `T2' operator.
* src/cff/cffparse.h: Updated.
(CFF_ParserRec): Add `num_designs' field.
* src/cff/cffload.c: Updated.
* src/cff/cfftoken.h: Handle `MultipleMaster' operator.
* src/cff/cfftypes.h (CFF_FontRecDictRec): Add `num_designs' field.
* src/sfnt/sfobjs.c (sfnt_init_face): Don't handle `fvar' table for
MM CFFs.
a dictionary element is missing.
* src/cff/cffload.c (cff_subfont_load): Initialize all fields
which hold SIDs to 0xFFFF.
(cff_index_get_sid_string): Handle SID value 0xFFFF.
Handle case where `psnames' is zero.
(cff_font_load): Updated.
Don't load encoding for CID-keyed CFFs.
* src/cff/cffobjs.c (cff_face_init): Updated.
Don't check for PSNames module if font is CID-keyed.
Compute style name properly (using the same algorithm as in the
CID driver).
Fix computation of style flags.
* src/cff/cfftoken.h: Comment out handling of base_font_name.
Rename `postscript' field to `embedded_postscript'
* src/cff/cfftypes.h (CFF_FontRecDictRec): Remove `base_font_name'
and `postscript'.
T1_FIELD_TYPE_FIXED_1000 and T1_FIELD_TYPE_FIXED_1000_P.
(T1_FIELD_FIXED_1000, T1_FIELD_FIXED_1000_P): New macros.
* src/psaux/psobjs.c (ps_parser_load_field): Handle
T1_FIELD_TYPE_FIXED_1000 and T1_FIELD_TYPE_FIXED_1000_P.
* src/cff/cffparse.c (cff_kind_fixed_thousand): New enumeration.
(CFF_FIELD_FIXED_1000): New macro.
(cff_parser_run): Handle cff_kind_fixed_thousand.
* src/cff/cfftoken.h: Use CFF_FIELD_FIXED_1000 for blue_scale.
* src/cff/cffload (cff_subfont_load): Fix default values of
expansion_factor and blue_scale.
* src/cif/cidtoken.h, src/type1/t1tokens.h: Use T1_FIELD_FIXED_1000
for blue_scale.
* src/pshinter/pshglob.c (psh_globals_new): Fix default value of
blue_scale.
fonts. Additionally, some entries were handled as `integer' instead
of `number'.
* include/freetype/internal/psaux.h (T1_FieldType): Add
T1_FIELD_TYPE_BOOL_P, T1_FIELD_TYPE_INTEGER_P, and
T1_FIELD_TYPE_FIXED_P.
(T1_FIELD_BOOL_P, T1_FIELD_NUM_P, T1_FIELD_FIXED_P): New macros.
* src/psaux/psobjs.c (ps_parser_load_field): Handle new field types.
* include/freetype/internal/cfftypes.h (CFF_FontRecDict),
src/cff/cfftoken.h: Change type of underline_position and
underline_thickness to FT_Fixed.
* src/cff/cffload.c (cff_subfont_load): Fix default values of
underline_position and underline_thickness.
* src/cff/cffobjs.c (cff_face_init): Set underline_position
and underline_thickness in `root'.
* include/freetype/internal/t1types.h (T1_Font): Change point_type
and stroke_width to pointers.
* include/freetype/t1tables.h (PS_FontInfo): Change italic_angle,
is_fixed_pitch, underline_position, and underline_thickness to
pointers.
* src/type1/t1tokens.h: Change italic_angle, is_fixed_pitch,
underline_position, and underline_thickness to pointers. Change
the type of the latter two to `fixed'.
Change type of stroke_width to `fixed' and make it a pointer.
Change paint_type to pointer.
* src/type1/t1objs.c (T1_Face_Done): Updated.
(T1_Face_Init): Updated.
Fix assignment of underline_position and underline_thickness.
* src/cid/cidtoken.h: Change italic_angle, is_fixed_pitch,
underline_position, and underline_thickness to pointers. Change
the type of the latter two to `fixed'.
Change type of stroke_width to `fixed'.
* src/cid/cidobjs.c (cid_face_done): Updated.
(cid_face_init): Updated.
Fix assignment of underline_position and underline_thickness.
* src/type42/t42parse.c: Change italic_angle, is_fixed_pitch,
underline_position, and underline_thickness to pointers. Change the
type of the latter two to `fixed'.
Change type of stroke_width to `fixed' and make it a pointer.
Change paint_type to pointer.
* src/type42/t42objs.c (T42_Face_Init): Updated.
Fix assignment of underline_position and underline_thickness.
(T42_Face_Done): Updated.
* src/base/ftobjs.c (open_face_from_buffer): Fix compiler warning.
* src/pshinter/pshglob.c, src/pshinter/pshglob.h
(psh_globals_set_scale): Make it a local function.
* test/gview.c: Fix remaming ps3->ps typo.
Formatting.
been touched, while keeping everything backwards-compatible..
* include/freetype/t1tables.h: re-naming structure types. This done
basically:
typedef T1_Struct_
{
} T1_Struct;
becomes:
typedef PS_StructRec_
{
} PS_StructRec, *PS_Struct;
typedef PS_StructRec T1_Struct; /* backwards-compatibility */
hence, we increase the coherency of the source code by effectuively
using the 'Rec' prefix for structure types..
Werner Lemberg