| /* |
| * Copyright © 2014 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH |
| |
| |
| /* |
| * The macros in the first part of this file are generic macros that can |
| * be used to define the bytes for OpenType table data in code in a |
| * readable manner. We can move the macros to reside with their respective |
| * struct types, but since we only use these to define one data table, the |
| * Windows-1256 Arabic shaping table in this file, we keep them here. |
| */ |
| |
| |
| /* First we measure, then we cut. */ |
| #ifndef OT_MEASURE |
| #define OT_MEASURE |
| #define OT_TABLE_START static const struct TABLE_NAME { |
| #define OT_TABLE_END } |
| #define OT_LABEL_START(Name) unsigned char Name[ |
| #define OT_LABEL_END ]; |
| #define OT_BYTE(u8) +1/*byte*/ |
| #define OT_USHORT(u16) +2/*bytes*/ |
| #else |
| #undef OT_MEASURE |
| #define OT_TABLE_START TABLE_NAME = { |
| #define OT_TABLE_END }; |
| #define OT_LABEL_START(Name) { |
| #define OT_LABEL_END }, |
| #define OT_BYTE(u8) (u8), |
| #define OT_USHORT(u16) (unsigned char)((u16)>>8), (unsigned char)((u16)&0xFFu), |
| #define OT_COUNT(Name, ItemSize) ((unsigned int) sizeof(((struct TABLE_NAME*)0)->Name) \ |
| / (unsigned int)(ItemSize) \ |
| /* OT_ASSERT it's divisible (and positive). */) |
| #define OT_DISTANCE(From,To) ((unsigned int) \ |
| ((char*)(&((struct TABLE_NAME*)0)->To) - \ |
| (char*)(&((struct TABLE_NAME*)0)->From)) \ |
| /* OT_ASSERT it's positive. */) |
| #endif |
| |
| |
| #define OT_LABEL(Name) \ |
| OT_LABEL_END \ |
| OT_LABEL_START(Name) |
| |
| /* Whenever we receive an argument that is a list, it will expand to |
| * contain commas. That cannot be passed to another macro because the |
| * commas will throw off the preprocessor. The solution is to wrap |
| * the passed-in argument in OT_LIST() before passing to the next macro. |
| * Unfortunately this trick requires vararg macros. */ |
| #define OT_LIST(...) __VA_ARGS__ |
| |
| |
| /* |
| * Basic Types |
| */ |
| |
| #define OT_TAG(a,b,c,d) \ |
| OT_BYTE(a) OT_BYTE(b) OT_BYTE(c) OT_BYTE(d) |
| |
| #define OT_OFFSET(From, To) /* Offset from From to To in bytes */ \ |
| OT_USHORT(OT_DISTANCE(From, To)) |
| |
| #define OT_GLYPHID /* GlyphID */ \ |
| OT_USHORT |
| |
| #define OT_UARRAY(Name, Items) \ |
| OT_LABEL_START(Name) \ |
| OT_USHORT(OT_COUNT(Name##Data, 2)) \ |
| OT_LABEL(Name##Data) \ |
| Items \ |
| OT_LABEL_END |
| |
| #define OT_UHEADLESSARRAY(Name, Items) \ |
| OT_LABEL_START(Name) \ |
| OT_USHORT(OT_COUNT(Name##Data, 2) + 1) \ |
| OT_LABEL(Name##Data) \ |
| Items \ |
| OT_LABEL_END |
| |
| |
| /* |
| * Common Types |
| */ |
| |
| #define OT_LOOKUP_FLAG_IGNORE_MARKS 0x08u |
| |
| #define OT_LOOKUP(Name, LookupType, LookupFlag, SubLookupOffsets) \ |
| OT_LABEL_START(Name) \ |
| OT_USHORT(LookupType) \ |
| OT_USHORT(LookupFlag) \ |
| OT_LABEL_END \ |
| OT_UARRAY(Name##SubLookupOffsetsArray, OT_LIST(SubLookupOffsets)) |
| |
| #define OT_SUBLOOKUP(Name, SubFormat, Items) \ |
| OT_LABEL_START(Name) \ |
| OT_USHORT(SubFormat) \ |
| Items |
| |
| #define OT_COVERAGE1(Name, Items) \ |
| OT_LABEL_START(Name) \ |
| OT_USHORT(1) \ |
| OT_LABEL_END \ |
| OT_UARRAY(Name##Glyphs, OT_LIST(Items)) |
| |
| |
| /* |
| * GSUB |
| */ |
| |
| #define OT_LOOKUP_TYPE_SUBST_SINGLE 1u |
| #define OT_LOOKUP_TYPE_SUBST_LIGATURE 4u |
| |
| #define OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(Name, FromGlyphs, ToGlyphs) \ |
| OT_SUBLOOKUP(Name, 2, \ |
| OT_OFFSET(Name, Name##Coverage) \ |
| OT_LABEL_END \ |
| OT_UARRAY(Name##Substitute, OT_LIST(ToGlyphs)) \ |
| ) \ |
| OT_COVERAGE1(Name##Coverage, OT_LIST(FromGlyphs)) \ |
| /* ASSERT_STATIC_EXPR len(FromGlyphs) == len(ToGlyphs) */ |
| |
| #define OT_SUBLOOKUP_LIGATURE_SUBST_FORMAT1(Name, FirstGlyphs, LigatureSetOffsets) \ |
| OT_SUBLOOKUP(Name, 1, \ |
| OT_OFFSET(Name, Name##Coverage) \ |
| OT_LABEL_END \ |
| OT_UARRAY(Name##LigatureSetOffsetsArray, OT_LIST(LigatureSetOffsets)) \ |
| ) \ |
| OT_COVERAGE1(Name##Coverage, OT_LIST(FirstGlyphs)) \ |
| /* ASSERT_STATIC_EXPR len(FirstGlyphs) == len(LigatureSetOffsets) */ |
| |
| #define OT_LIGATURE_SET(Name, LigatureSetOffsets) \ |
| OT_UARRAY(Name, OT_LIST(LigatureSetOffsets)) |
| |
| #define OT_LIGATURE(Name, Components, LigGlyph) \ |
| OT_LABEL_START(Name) \ |
| LigGlyph \ |
| OT_LABEL_END \ |
| OT_UHEADLESSARRAY(Name##ComponentsArray, OT_LIST(Components)) |
| |
| /* |
| * |
| * Start of Windows-1256 shaping table. |
| * |
| */ |
| |
| /* Table name. */ |
| #define TABLE_NAME arabic_win1256_gsub_lookups |
| |
| /* Table manifest. */ |
| #define MANIFEST(Items) \ |
| OT_LABEL_START(manifest) \ |
| OT_USHORT(OT_COUNT(manifestData, 6)) \ |
| OT_LABEL(manifestData) \ |
| Items \ |
| OT_LABEL_END |
| |
| #define MANIFEST_LOOKUP(Tag, Name) \ |
| Tag \ |
| OT_OFFSET(manifest, Name) |
| |
| /* Shorthand. */ |
| #define G OT_GLYPHID |
| |
| /* |
| * Table Start |
| */ |
| OT_TABLE_START |
| |
| |
| /* |
| * Manifest |
| */ |
| MANIFEST( |
| MANIFEST_LOOKUP(OT_TAG('r','l','i','g'), rligLookup) |
| MANIFEST_LOOKUP(OT_TAG('i','n','i','t'), initLookup) |
| MANIFEST_LOOKUP(OT_TAG('m','e','d','i'), mediLookup) |
| MANIFEST_LOOKUP(OT_TAG('f','i','n','a'), finaLookup) |
| MANIFEST_LOOKUP(OT_TAG('r','l','i','g'), rligMarksLookup) |
| ) |
| |
| /* |
| * Lookups |
| */ |
| OT_LOOKUP(initLookup, OT_LOOKUP_TYPE_SUBST_SINGLE, OT_LOOKUP_FLAG_IGNORE_MARKS, |
| OT_OFFSET(initLookup, initmediSubLookup) |
| OT_OFFSET(initLookup, initSubLookup) |
| ) |
| OT_LOOKUP(mediLookup, OT_LOOKUP_TYPE_SUBST_SINGLE, OT_LOOKUP_FLAG_IGNORE_MARKS, |
| OT_OFFSET(mediLookup, initmediSubLookup) |
| OT_OFFSET(mediLookup, mediSubLookup) |
| OT_OFFSET(mediLookup, medifinaLamAlefSubLookup) |
| ) |
| OT_LOOKUP(finaLookup, OT_LOOKUP_TYPE_SUBST_SINGLE, OT_LOOKUP_FLAG_IGNORE_MARKS, |
| OT_OFFSET(finaLookup, finaSubLookup) |
| /* We don't need this one currently as the sequence inherits masks |
| * from the first item. Just in case we change that in the future |
| * to be smart about Arabic masks when ligating... */ |
| OT_OFFSET(finaLookup, medifinaLamAlefSubLookup) |
| ) |
| OT_LOOKUP(rligLookup, OT_LOOKUP_TYPE_SUBST_LIGATURE, OT_LOOKUP_FLAG_IGNORE_MARKS, |
| OT_OFFSET(rligLookup, lamAlefLigaturesSubLookup) |
| ) |
| OT_LOOKUP(rligMarksLookup, OT_LOOKUP_TYPE_SUBST_LIGATURE, 0, |
| OT_OFFSET(rligMarksLookup, shaddaLigaturesSubLookup) |
| ) |
| |
| /* |
| * init/medi/fina forms |
| */ |
| OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(initmediSubLookup, |
| G(198) G(200) G(201) G(202) G(203) G(204) G(205) G(206) G(211) |
| G(212) G(213) G(214) G(223) G(225) G(227) G(228) G(236) G(237), |
| G(162) G(4) G(5) G(5) G(6) G(7) G(9) G(11) G(13) |
| G(14) G(15) G(26) G(140) G(141) G(142) G(143) G(154) G(154) |
| ) |
| OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(initSubLookup, |
| G(218) G(219) G(221) G(222) G(229), |
| G(27) G(30) G(128) G(131) G(144) |
| ) |
| OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(mediSubLookup, |
| G(218) G(219) G(221) G(222) G(229), |
| G(28) G(31) G(129) G(138) G(149) |
| ) |
| OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(finaSubLookup, |
| G(194) G(195) G(197) G(198) G(199) G(201) G(204) G(205) G(206) |
| G(218) G(219) G(229) G(236) G(237), |
| G(2) G(1) G(3) G(181) G(0) G(159) G(8) G(10) G(12) |
| G(29) G(127) G(152) G(160) G(156) |
| ) |
| OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(medifinaLamAlefSubLookup, |
| G(165) G(178) G(180) G(252), |
| G(170) G(179) G(185) G(255) |
| ) |
| |
| /* |
| * Lam+Alef ligatures |
| */ |
| OT_SUBLOOKUP_LIGATURE_SUBST_FORMAT1(lamAlefLigaturesSubLookup, |
| G(225), |
| OT_OFFSET(lamAlefLigaturesSubLookup, lamLigatureSet) |
| ) |
| OT_LIGATURE_SET(lamLigatureSet, |
| OT_OFFSET(lamLigatureSet, lamInitLigature1) |
| OT_OFFSET(lamLigatureSet, lamInitLigature2) |
| OT_OFFSET(lamLigatureSet, lamInitLigature3) |
| OT_OFFSET(lamLigatureSet, lamInitLigature4) |
| ) |
| OT_LIGATURE(lamInitLigature1, G(199), G(165)) |
| OT_LIGATURE(lamInitLigature2, G(195), G(178)) |
| OT_LIGATURE(lamInitLigature3, G(194), G(180)) |
| OT_LIGATURE(lamInitLigature4, G(197), G(252)) |
| |
| /* |
| * Shadda ligatures |
| */ |
| OT_SUBLOOKUP_LIGATURE_SUBST_FORMAT1(shaddaLigaturesSubLookup, |
| G(248), |
| OT_OFFSET(shaddaLigaturesSubLookup, shaddaLigatureSet) |
| ) |
| OT_LIGATURE_SET(shaddaLigatureSet, |
| OT_OFFSET(shaddaLigatureSet, shaddaLigature1) |
| OT_OFFSET(shaddaLigatureSet, shaddaLigature2) |
| OT_OFFSET(shaddaLigatureSet, shaddaLigature3) |
| ) |
| OT_LIGATURE(shaddaLigature1, G(243), G(172)) |
| OT_LIGATURE(shaddaLigature2, G(245), G(173)) |
| OT_LIGATURE(shaddaLigature3, G(246), G(175)) |
| |
| /* |
| * Table end |
| */ |
| OT_TABLE_END |
| |
| |
| /* |
| * Clean up |
| */ |
| #undef OT_TABLE_START |
| #undef OT_TABLE_END |
| #undef OT_LABEL_START |
| #undef OT_LABEL_END |
| #undef OT_BYTE |
| #undef OT_USHORT |
| #undef OT_DISTANCE |
| #undef OT_COUNT |
| |
| /* |
| * Include a second time to get the table data... |
| */ |
| #if 0 |
| #include "hb-private.hh" /* Make check-includes.sh happy. */ |
| #endif |
| #ifdef OT_MEASURE |
| #include "hb-ot-shape-complex-arabic-win1256.hh" |
| #endif |
| |
| #define HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH |
| #endif /* HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH */ |
