ref: d3284462c3f227a4bc396fa9f3b716e46d43f5c8
parent: a451638ec55be06aabb3a99b7461679dc750c80a
author: Werner Lemberg <[email protected]>
date: Wed Mar 11 12:45:58 EDT 2015
[autofit] Add support for Arabic script. Thanks to Titus Nemeth <[email protected]> for guidance! * src/autofit/afblue.dat: Add blue zone data for Arabic. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Arabic standard characters. * src/autofit/afranges.c: Add Arabic data. * src/autofit/afstyles.h: Add Arabic data. * docs/CHANGES: Document it.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,23 @@
2015-03-11 Werner Lemberg <[email protected]>
+ [autofit] Add support for Arabic script.
+
+ Thanks to Titus Nemeth <[email protected]> for guidance!
+
+ * src/autofit/afblue.dat: Add blue zone data for Arabic.
+
+ * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+ * src/autofit/afscript.h: Add Arabic standard characters.
+
+ * src/autofit/afranges.c: Add Arabic data.
+
+ * src/autofit/afstyles.h: Add Arabic data.
+
+ * docs/CHANGES: Document it.
+
+2015-03-11 Werner Lemberg <[email protected]>
+
Rename `svxf86nm.h' to `svfntfmt.h'; update related symbols.
* include/internal/ftserv.h (FT_SERVICE_XFREE86_NAME_H): Renamed
--- a/docs/CHANGES
+++ b/docs/CHANGES
@@ -23,6 +23,8 @@
- Thai script support has been added to the auto-hinter.
+ - Arabic script support has been added to the auto-hinter.
+
III. MISCELLANEOUS
--- a/src/autofit/afblue.c
+++ b/src/autofit/afblue.c
@@ -26,6 +26,10 @@
af_blue_strings[] =
{
/* */
+ '\xD8', '\xA7', '\xD8', '\xA5', '\xD9', '\x84', '\xD9', '\x83', '\xD8', '\xB7', '\xD8', '\xB8', /* ا إ ل ك ط ظ */
+ '\0',
+ '\xD8', '\xAA', '\xD8', '\xAB', '\xD8', '\xB7', '\xD8', '\xB8', '\xD9', '\x83', /* ت ث ط ظ ك */
+ '\0',
'\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\x9F', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕПЗОСЭ */
'\0',
'\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\xA8', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕШЗОСЭ */
@@ -135,6 +139,9 @@
af_blue_stringsets[] =
{
/* */
+ { AF_BLUE_STRING_ARABIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP },
+ { AF_BLUE_STRING_ARABIC_JOIN, 0 },
+ { AF_BLUE_STRING_MAX, 0 },
{ AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP },
{ AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 },
{ AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP |
--- a/src/autofit/afblue.dat
+++ b/src/autofit/afblue.dat
@@ -67,6 +67,11 @@
AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN:
+ AF_BLUE_STRING_ARABIC_TOP
+ "ا إ ل ك ط ظ"
+ AF_BLUE_STRING_ARABIC_JOIN
+ "ت ث ط ظ ك"
+
AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP
"БВЕПЗОСЭ"
AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM
@@ -282,6 +287,11 @@
AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN:
+
+ AF_BLUE_STRINGSET_ARAB
+ { AF_BLUE_STRING_ARABIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP }
+ { AF_BLUE_STRING_ARABIC_JOIN, 0 }
+ { AF_BLUE_STRING_MAX, 0 }
AF_BLUE_STRINGSET_CYRL
{ AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }
--- a/src/autofit/afblue.h
+++ b/src/autofit/afblue.h
@@ -74,37 +74,39 @@
typedef enum AF_Blue_String_
{
- AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 0,
- AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 17,
- AF_BLUE_STRING_CYRILLIC_SMALL = 34,
- AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 51,
- AF_BLUE_STRING_DEVANAGARI_BASE = 58,
- AF_BLUE_STRING_DEVANAGARI_TOP = 83,
- AF_BLUE_STRING_DEVANAGARI_HEAD = 108,
- AF_BLUE_STRING_DEVANAGARI_BOTTOM = 133,
- AF_BLUE_STRING_GREEK_CAPITAL_TOP = 140,
- AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 155,
- AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 168,
- AF_BLUE_STRING_GREEK_SMALL = 181,
- AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 198,
- AF_BLUE_STRING_HEBREW_TOP = 215,
- AF_BLUE_STRING_HEBREW_BOTTOM = 232,
- AF_BLUE_STRING_HEBREW_DESCENDER = 245,
- AF_BLUE_STRING_LATIN_CAPITAL_TOP = 256,
- AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 265,
- AF_BLUE_STRING_LATIN_SMALL_F_TOP = 274,
- AF_BLUE_STRING_LATIN_SMALL = 282,
- AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 290,
- AF_BLUE_STRING_TELUGU_TOP = 296,
- AF_BLUE_STRING_TELUGU_BOTTOM = 318,
- AF_BLUE_STRING_THAI_TOP = 340,
- AF_BLUE_STRING_THAI_BOTTOM = 359,
- AF_BLUE_STRING_THAI_ASCENDER = 381,
- AF_BLUE_STRING_THAI_LARGE_ASCENDER = 391,
- AF_BLUE_STRING_THAI_DESCENDER = 401,
- AF_BLUE_STRING_THAI_LARGE_DESCENDER = 414,
- AF_BLUE_STRING_THAI_DIGIT_TOP = 421,
- af_blue_1_1 = 430,
+ AF_BLUE_STRING_ARABIC_TOP = 0,
+ AF_BLUE_STRING_ARABIC_JOIN = 13,
+ AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 24,
+ AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 41,
+ AF_BLUE_STRING_CYRILLIC_SMALL = 58,
+ AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 75,
+ AF_BLUE_STRING_DEVANAGARI_BASE = 82,
+ AF_BLUE_STRING_DEVANAGARI_TOP = 107,
+ AF_BLUE_STRING_DEVANAGARI_HEAD = 132,
+ AF_BLUE_STRING_DEVANAGARI_BOTTOM = 157,
+ AF_BLUE_STRING_GREEK_CAPITAL_TOP = 164,
+ AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 179,
+ AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 192,
+ AF_BLUE_STRING_GREEK_SMALL = 205,
+ AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 222,
+ AF_BLUE_STRING_HEBREW_TOP = 239,
+ AF_BLUE_STRING_HEBREW_BOTTOM = 256,
+ AF_BLUE_STRING_HEBREW_DESCENDER = 269,
+ AF_BLUE_STRING_LATIN_CAPITAL_TOP = 280,
+ AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 289,
+ AF_BLUE_STRING_LATIN_SMALL_F_TOP = 298,
+ AF_BLUE_STRING_LATIN_SMALL = 306,
+ AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 314,
+ AF_BLUE_STRING_TELUGU_TOP = 320,
+ AF_BLUE_STRING_TELUGU_BOTTOM = 342,
+ AF_BLUE_STRING_THAI_TOP = 364,
+ AF_BLUE_STRING_THAI_BOTTOM = 383,
+ AF_BLUE_STRING_THAI_ASCENDER = 405,
+ AF_BLUE_STRING_THAI_LARGE_ASCENDER = 415,
+ AF_BLUE_STRING_THAI_DESCENDER = 425,
+ AF_BLUE_STRING_THAI_LARGE_DESCENDER = 438,
+ AF_BLUE_STRING_THAI_DIGIT_TOP = 445,
+ af_blue_1_1 = 454,
#ifdef AF_CONFIG_OPTION_CJK
AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1,
AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 153,
@@ -162,14 +164,15 @@
typedef enum AF_Blue_Stringset_
{
- AF_BLUE_STRINGSET_CYRL = 0,
- AF_BLUE_STRINGSET_DEVA = 6,
- AF_BLUE_STRINGSET_GREK = 12,
- AF_BLUE_STRINGSET_HEBR = 19,
- AF_BLUE_STRINGSET_LATN = 23,
- AF_BLUE_STRINGSET_TELU = 30,
- AF_BLUE_STRINGSET_THAI = 33,
- af_blue_2_1 = 41,
+ AF_BLUE_STRINGSET_ARAB = 0,
+ AF_BLUE_STRINGSET_CYRL = 3,
+ AF_BLUE_STRINGSET_DEVA = 9,
+ AF_BLUE_STRINGSET_GREK = 15,
+ AF_BLUE_STRINGSET_HEBR = 22,
+ AF_BLUE_STRINGSET_LATN = 26,
+ AF_BLUE_STRINGSET_TELU = 33,
+ AF_BLUE_STRINGSET_THAI = 36,
+ af_blue_2_1 = 44,
#ifdef AF_CONFIG_OPTION_CJK
AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0,
af_blue_2_1_1 = af_blue_2_1 + 2,
--- a/src/autofit/afranges.c
+++ b/src/autofit/afranges.c
@@ -19,6 +19,17 @@
#include "afranges.h"
+ const AF_Script_UniRangeRec af_arab_uniranges[] =
+ {
+ AF_UNIRANGE_REC( 0x0600UL, 0x06FFUL ), /* Arabic */
+ AF_UNIRANGE_REC( 0x0750UL, 0x07FFUL ), /* Arabic Supplement */
+ AF_UNIRANGE_REC( 0x08A0UL, 0x08FFUL ), /* Arabic Extended-A */
+ AF_UNIRANGE_REC( 0xFB50UL, 0xFDFFUL ), /* Arabic Presentation Forms-A */
+ AF_UNIRANGE_REC( 0xFE70UL, 0xFEFFUL ), /* Arabic Presentation Forms-B */
+ AF_UNIRANGE_REC( 0x1EE00UL, 0x1EEFFUL ), /* Arabic Mathematical Alphabetic Symbols */
+ AF_UNIRANGE_REC( 0UL, 0UL )
+ };
+
const AF_Script_UniRangeRec af_cyrl_uniranges[] =
{
AF_UNIRANGE_REC( 0x0400UL, 0x04FFUL ), /* Cyrillic */
--- a/src/autofit/afscript.h
+++ b/src/autofit/afscript.h
@@ -26,6 +26,11 @@
/* script name tag, followed by a string of standard characters (to */
/* derive the standard width and height of stems). */
+ SCRIPT( arab, ARAB,
+ "Arabic",
+ HB_SCRIPT_ARABIC,
+ 0x644, 0x62D, 0x640 ) /* ل ح ـ */
+
SCRIPT( cyrl, CYRL,
"Cyrillic",
HB_SCRIPT_CYRILLIC,
--- a/src/autofit/afstyles.h
+++ b/src/autofit/afstyles.h
@@ -80,6 +80,14 @@
"default", \
DEFAULT )
+
+ STYLE( arab_dflt, ARAB_DFLT,
+ "Arabic default style",
+ AF_WRITING_SYSTEM_LATIN,
+ AF_SCRIPT_ARAB,
+ AF_BLUE_STRINGSET_ARAB,
+ AF_COVERAGE_DEFAULT )
+
META_STYLE_LATIN( cyrl, CYRL, "Cyrillic" )
META_STYLE_LATIN( grek, GREK, "Greek" )