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[autofit] Start implementing hinting direction (up/down, down/up). 

Right now, it does nothing.

* src/autofit/afscript.h: Add another parameter to `SCRIPT',
specifying hinting direction.

* src/autofit/afglobal.c, scr/autofit/afglobal.h,
src/autofit/afpic.c, src/autofit/afranges.h, src/autofit/afshaper.c,
src/autofit/aftypes.h: Extend `SCRIPT' definitions.
This commit is contained in:
Werner Lemberg 2015-12-23 23:25:03 +01:00
parent 9c1a2b0439
commit b0de5a82f1
8 changed files with 49 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
ChangeLog
View File

@ -1,3 +1,16 @@
2015-12-23 Werner Lemberg <wl@gnu.org>
[autofit] Start implementing hinting direction (up/down, down/up).
Right now, it does nothing.
* src/autofit/afscript.h: Add another parameter to `SCRIPT',
specifying hinting direction.
* src/autofit/afglobal.c, scr/autofit/afglobal.h,
src/autofit/afpic.c, src/autofit/afranges.h, src/autofit/afshaper.c,
src/autofit/aftypes.h: Extend `SCRIPT' definitions.
2015-12-22 Werner Lemberg <wl@gnu.org>
* src/type1/t1load.c (parse_subrs): Fix memory leak (#46744).

4
src/autofit/afglobal.c
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@ -42,7 +42,7 @@
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
AF_DEFINE_SCRIPT_CLASS( \
af_ ## s ## _script_class, \
AF_SCRIPT_ ## S, \
@ -83,7 +83,7 @@
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
&af_ ## s ## _script_class,
FT_LOCAL_ARRAY_DEF( AF_ScriptClass )

2
src/autofit/afglobal.h
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@ -34,7 +34,7 @@ FT_BEGIN_HEADER
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
AF_DECLARE_SCRIPT_CLASS( af_ ## s ## _script_class )
#include "afscript.h"

2
src/autofit/afpic.c
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@ -122,7 +122,7 @@
#include "afwrtsys.h"
#undef SCRIPT
#define SCRIPT( s, S, d, h, sss ) \
#define SCRIPT( s, S, d, h, H, sss ) \
FT_Init_Class_af_ ## s ## _script_class( \
&container->af_script_classes_rec[ss++] );

4
src/autofit/afranges.h
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@ -26,13 +26,13 @@
FT_BEGIN_HEADER
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
extern const AF_Script_UniRangeRec af_ ## s ## _uniranges[];
#include "afscript.h"
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
extern const AF_Script_UniRangeRec af_ ## s ## _nonbase_uniranges[];
#include "afscript.h"

28
src/autofit/afscript.h
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@ -33,85 +33,101 @@
SCRIPT( arab, ARAB,
"Arabic",
HB_SCRIPT_ARABIC,
HINTING_BOTTOM_TO_TOP,
"\xD9\x84 \xD8\xAD \xD9\x80" ) /* ل ح ـ */
/* there are no simple forms for letters; we thus use two digit shapes */
SCRIPT( beng, BENG,
"Bengali",
HB_SCRIPT_BENGALI,
HINTING_TOP_TO_BOTTOM,
"\xE0\xA7\xA6 \xE0\xA7\xAA" ) /* ০ ৪*/
SCRIPT( cyrl, CYRL,
"Cyrillic",
HB_SCRIPT_CYRILLIC,
HINTING_BOTTOM_TO_TOP,
"\xD0\xBE \xD0\x9E" ) /* о О */
SCRIPT( deva, DEVA,
"Devanagari",
HB_SCRIPT_DEVANAGARI,
HINTING_TOP_TO_BOTTOM,
"\xE0\xA4\xA0 \xE0\xA4\xB5 \xE0\xA4\x9F" ) /* ठ व ट */
SCRIPT( grek, GREK,
"Greek",
HB_SCRIPT_GREEK,
HINTING_BOTTOM_TO_TOP,
"\xCE\xBF \xCE\x9F" ) /* ο Ο */
SCRIPT( hebr, HEBR,
"Hebrew",
HB_SCRIPT_HEBREW,
HINTING_BOTTOM_TO_TOP,
"\xD7\x9D" ) /* ם */
/* only digit zero has a simple shape in the Khmer script */
SCRIPT( khmr, KHMR,
"Khmer",
HB_SCRIPT_KHMER,
HINTING_BOTTOM_TO_TOP,
"\xE1\x9F\xA0" ) /* ០ */
SCRIPT( khms, KHMS,
"Khmer Symbols",
HB_SCRIPT_INVALID,
HINTING_BOTTOM_TO_TOP,
"\xE1\xA7\xA1 \xE1\xA7\xAA" ) /* ᧡ ᧪ */
/* only digit zero has a simple shape in the Lao script */
SCRIPT( lao, LAO,
"Lao",
HB_SCRIPT_LAO,
HINTING_BOTTOM_TO_TOP,
"\xE0\xBB\x90" ) /* ໐ */
SCRIPT( latn, LATN,
"Latin",
HB_SCRIPT_LATIN,
HINTING_BOTTOM_TO_TOP,
"o O 0" )
SCRIPT( latb, LATB,
"Latin Subscript Fallback",
HB_SCRIPT_INVALID,
HINTING_BOTTOM_TO_TOP,
"\xE2\x82\x92 \xE2\x82\x80" ) /* ₒ ₀ */
SCRIPT( latp, LATP,
"Latin Superscript Fallback",
HB_SCRIPT_INVALID,
HINTING_BOTTOM_TO_TOP,
"\xE1\xB5\x92 \xE1\xB4\xBC \xE2\x81\xB0" ) /* ᵒ ᴼ ⁰ */
SCRIPT( mymr, MYMR,
"Myanmar",
HB_SCRIPT_MYANMAR,
HINTING_BOTTOM_TO_TOP,
"\xE1\x80\x9D \xE1\x80\x84 \xE1\x80\x82" ) /* ဝ င ဂ */
SCRIPT( none, NONE,
"no script",
HB_SCRIPT_INVALID,
HINTING_BOTTOM_TO_TOP,
"" )
/* there are no simple forms for letters; we thus use two digit shapes */
SCRIPT( telu, TELU,
"Telugu",
HB_SCRIPT_TELUGU,
HINTING_BOTTOM_TO_TOP,
"\xE0\xB1\xA6 \xE0\xB1\xA7" ) /* ౦ ౧ */
SCRIPT( thai, THAI,
"Thai",
HB_SCRIPT_THAI,
HINTING_BOTTOM_TO_TOP,
"\xE0\xB8\xB2 \xE0\xB9\x85 \xE0\xB9\x90" ) /* า ๅ ๐ */
#ifdef AF_CONFIG_OPTION_INDIC
@ -119,56 +135,67 @@
SCRIPT( gujr, GUJR,
"Gujarati",
HB_SCRIPT_GUJARATI,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( guru, GURU,
"Gurmukhi",
HB_SCRIPT_GURMUKHI,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( knda, KNDA,
"Kannada",
HB_SCRIPT_KANNADA,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( limb, LIMB,
"Limbu",
HB_SCRIPT_LIMBU,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( mlym, MLYM,
"Malayalam",
HB_SCRIPT_MALAYALAM,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( orya, ORYA,
"Oriya",
HB_SCRIPT_ORIYA,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( sinh, SINH,
"Sinhala",
HB_SCRIPT_SINHALA,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( sund, SUND,
"Sundanese",
HB_SCRIPT_SUNDANESE,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( sylo, SYLO,
"Syloti Nagri",
HB_SCRIPT_SYLOTI_NAGRI,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( taml, TAML,
"Tamil",
HB_SCRIPT_TAMIL,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
SCRIPT( tibt, TIBT,
"Tibetan",
HB_SCRIPT_TIBETAN,
HINTING_BOTTOM_TO_TOP,
"o" ) /* XXX */
#endif /* AF_CONFIG_OPTION_INDIC */
@ -178,6 +205,7 @@
SCRIPT( hani, HANI,
"CJKV ideographs",
HB_SCRIPT_HAN,
HINTING_BOTTOM_TO_TOP,
"\xE7\x94\xB0 \xE5\x9B\x97" ) /* 田 囗 */
#endif /* AF_CONFIG_OPTION_CJK */

2
src/autofit/afshaper.c
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@ -86,7 +86,7 @@
/* load HarfBuzz script tags */
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) h,
#define SCRIPT( s, S, d, h, H, ss ) h,
static const hb_script_t scripts[] =

2
src/autofit/aftypes.h
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@ -309,7 +309,7 @@ extern void* _af_debug_hints;
*/
#undef SCRIPT
#define SCRIPT( s, S, d, h, ss ) \
#define SCRIPT( s, S, d, h, H, ss ) \
AF_SCRIPT_ ## S,
/* The list of known scripts. */