diff options
Diffstat (limited to 'tqtinterface/qt4/src/3rdparty/opentype/ftxgsub.h')
| -rw-r--r-- | tqtinterface/qt4/src/3rdparty/opentype/ftxgsub.h | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/tqtinterface/qt4/src/3rdparty/opentype/ftxgsub.h b/tqtinterface/qt4/src/3rdparty/opentype/ftxgsub.h deleted file mode 100644 index a8ffa43..0000000 --- a/tqtinterface/qt4/src/3rdparty/opentype/ftxgsub.h +++ /dev/null @@ -1,575 +0,0 @@ -/******************************************************************* - * - * ftxgsub.h - * - * TrueType Open GSUB table support - * - * Copyright 1996-2000 by - * David Turner, Robert Wilhelm, and Werner Lemberg. - * - * This file is part of the FreeType project, and may only be used - * modified and distributed under the terms of the FreeType project - * license, LICENSE.TXT. By continuing to use, modify, or distribute - * this file you indicate that you have read the license and - * understand and accept it fully. - * - ******************************************************************/ - -#ifndef FTXOPEN_H -#error "Don't include this file! Use ftxopen.h instead." -#endif - -#ifndef FTXGSUB_H -#define FTXGSUB_H - -#ifdef __cplusplus -extern "C" { -#endif - -#define TTO_Err_Invalid_GSUB_SubTable_Format 0x1010 -#define TTO_Err_Invalid_GSUB_SubTable 0x1011 - - -/* Lookup types for glyph substitution */ - -#define GSUB_LOOKUP_SINGLE 1 -#define GSUB_LOOKUP_MULTIPLE 2 -#define GSUB_LOOKUP_ALTERNATE 3 -#define GSUB_LOOKUP_LIGATURE 4 -#define GSUB_LOOKUP_CONTEXT 5 -#define GSUB_LOOKUP_CHAIN 6 -#define GSUB_LOOKUP_EXTENSION 7 - - -/* Use this if a feature applies to all glyphs */ - -#define ALL_GLYPHS 0xFFFF - - - /* A pointer to a function which selects the alternate glyph. `pos' is - the position of the glyph with index `glyphID', `num_alternates' - gives the number of alternates in the `alternates' array. `data' - points to the user-defined structure specified during a call to - TT_GSUB_Register_Alternate_Function(). The function must return an - index into the `alternates' array. */ - - typedef FT_UShort (*TTO_AltFunction)(FT_ULong pos, - FT_UShort glyphID, - FT_UShort num_alternates, - FT_UShort* alternates, - void* data ); - - - struct TTO_GSUBHeader_ - { - FT_Memory memory; - - FT_ULong offset; - - FT_Fixed Version; - - TTO_ScriptList ScriptList; - TTO_FeatureList FeatureList; - TTO_LookupList LookupList; - - TTO_GDEFHeader* gdef; - - /* the next two fields are used for an alternate substitution callback - function to select the proper alternate glyph. */ - - TTO_AltFunction altfunc; - void* data; - }; - - typedef struct TTO_GSUBHeader_ TTO_GSUBHeader; - typedef struct TTO_GSUBHeader_* TTO_GSUB; - - - /* LookupType 1 */ - - struct TTO_SingleSubstFormat1_ - { - FT_Short DeltaGlyphID; /* constant added to get - substitution glyph index */ - }; - - typedef struct TTO_SingleSubstFormat1_ TTO_SingleSubstFormat1; - - - struct TTO_SingleSubstFormat2_ - { - FT_UShort GlyphCount; /* number of glyph IDs in - Substitute array */ - FT_UShort* Substitute; /* array of substitute glyph IDs */ - }; - - typedef struct TTO_SingleSubstFormat2_ TTO_SingleSubstFormat2; - - - struct TTO_SingleSubst_ - { - FT_UShort SubstFormat; /* 1 or 2 */ - TTO_Coverage Coverage; /* Coverage table */ - - union - { - TTO_SingleSubstFormat1 ssf1; - TTO_SingleSubstFormat2 ssf2; - } ssf; - }; - - typedef struct TTO_SingleSubst_ TTO_SingleSubst; - - - /* LookupType 2 */ - - struct TTO_Sequence_ - { - FT_UShort GlyphCount; /* number of glyph IDs in the - Substitute array */ - FT_UShort* Substitute; /* string of glyph IDs to - substitute */ - }; - - typedef struct TTO_Sequence_ TTO_Sequence; - - - struct TTO_MultipleSubst_ - { - FT_UShort SubstFormat; /* always 1 */ - TTO_Coverage Coverage; /* Coverage table */ - FT_UShort SequenceCount; /* number of Sequence tables */ - TTO_Sequence* Sequence; /* array of Sequence tables */ - }; - - typedef struct TTO_MultipleSubst_ TTO_MultipleSubst; - - - /* LookupType 3 */ - - struct TTO_AlternateSet_ - { - FT_UShort GlyphCount; /* number of glyph IDs in the - Alternate array */ - FT_UShort* Alternate; /* array of alternate glyph IDs */ - }; - - typedef struct TTO_AlternateSet_ TTO_AlternateSet; - - - struct TTO_AlternateSubst_ - { - FT_UShort SubstFormat; /* always 1 */ - TTO_Coverage Coverage; /* Coverage table */ - FT_UShort AlternateSetCount; - /* number of AlternateSet tables */ - TTO_AlternateSet* AlternateSet; /* array of AlternateSet tables */ - }; - - typedef struct TTO_AlternateSubst_ TTO_AlternateSubst; - - - /* LookupType 4 */ - - struct TTO_Ligature_ - { - FT_UShort LigGlyph; /* glyphID of ligature - to substitute */ - FT_UShort ComponentCount; /* number of components in ligature */ - FT_UShort* Component; /* array of component glyph IDs */ - }; - - typedef struct TTO_Ligature_ TTO_Ligature; - - - struct TTO_LigatureSet_ - { - FT_UShort LigatureCount; /* number of Ligature tables */ - TTO_Ligature* Ligature; /* array of Ligature tables */ - }; - - typedef struct TTO_LigatureSet_ TTO_LigatureSet; - - - struct TTO_LigatureSubst_ - { - FT_UShort SubstFormat; /* always 1 */ - TTO_Coverage Coverage; /* Coverage table */ - FT_UShort LigatureSetCount; /* number of LigatureSet tables */ - TTO_LigatureSet* LigatureSet; /* array of LigatureSet tables */ - }; - - typedef struct TTO_LigatureSubst_ TTO_LigatureSubst; - - - /* needed by both lookup type 5 and 6 */ - - struct TTO_SubstLookupRecord_ - { - FT_UShort SequenceIndex; /* index into current - glyph sequence */ - FT_UShort LookupListIndex; /* Lookup to apply to that pos. */ - }; - - typedef struct TTO_SubstLookupRecord_ TTO_SubstLookupRecord; - - - /* LookupType 5 */ - - struct TTO_SubRule_ - { - FT_UShort GlyphCount; /* total number of input glyphs */ - FT_UShort SubstCount; /* number of SubstLookupRecord - tables */ - FT_UShort* Input; /* array of input glyph IDs */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of SubstLookupRecord - tables */ - }; - - typedef struct TTO_SubRule_ TTO_SubRule; - - - struct TTO_SubRuleSet_ - { - FT_UShort SubRuleCount; /* number of SubRule tables */ - TTO_SubRule* SubRule; /* array of SubRule tables */ - }; - - typedef struct TTO_SubRuleSet_ TTO_SubRuleSet; - - - struct TTO_ContextSubstFormat1_ - { - TTO_Coverage Coverage; /* Coverage table */ - FT_UShort SubRuleSetCount; /* number of SubRuleSet tables */ - TTO_SubRuleSet* SubRuleSet; /* array of SubRuleSet tables */ - }; - - typedef struct TTO_ContextSubstFormat1_ TTO_ContextSubstFormat1; - - - struct TTO_SubClassRule_ - { - FT_UShort GlyphCount; /* total number of context classes */ - FT_UShort SubstCount; /* number of SubstLookupRecord - tables */ - FT_UShort* Class; /* array of classes */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of SubstLookupRecord - tables */ - }; - - typedef struct TTO_SubClassRule_ TTO_SubClassRule; - - - struct TTO_SubClassSet_ - { - FT_UShort SubClassRuleCount; - /* number of SubClassRule tables */ - TTO_SubClassRule* SubClassRule; /* array of SubClassRule tables */ - }; - - typedef struct TTO_SubClassSet_ TTO_SubClassSet; - - - /* The `MaxContextLength' field is not defined in the TTO specification - but simplifies the implementation of this format. It holds the - maximal context length used in the context rules. */ - - struct TTO_ContextSubstFormat2_ - { - FT_UShort MaxContextLength; - /* maximal context length */ - TTO_Coverage Coverage; /* Coverage table */ - TTO_ClassDefinition ClassDef; /* ClassDef table */ - FT_UShort SubClassSetCount; - /* number of SubClassSet tables */ - TTO_SubClassSet* SubClassSet; /* array of SubClassSet tables */ - }; - - typedef struct TTO_ContextSubstFormat2_ TTO_ContextSubstFormat2; - - - struct TTO_ContextSubstFormat3_ - { - FT_UShort GlyphCount; /* number of input glyphs */ - FT_UShort SubstCount; /* number of SubstLookupRecords */ - TTO_Coverage* Coverage; /* array of Coverage tables */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of substitution lookups */ - }; - - typedef struct TTO_ContextSubstFormat3_ TTO_ContextSubstFormat3; - - - struct TTO_ContextSubst_ - { - FT_UShort SubstFormat; /* 1, 2, or 3 */ - - union - { - TTO_ContextSubstFormat1 csf1; - TTO_ContextSubstFormat2 csf2; - TTO_ContextSubstFormat3 csf3; - } csf; - }; - - typedef struct TTO_ContextSubst_ TTO_ContextSubst; - - - /* LookupType 6 */ - - struct TTO_ChainSubRule_ - { - FT_UShort BacktrackGlyphCount; - /* total number of backtrack glyphs */ - FT_UShort* Backtrack; /* array of backtrack glyph IDs */ - FT_UShort InputGlyphCount; - /* total number of input glyphs */ - FT_UShort* Input; /* array of input glyph IDs */ - FT_UShort LookaheadGlyphCount; - /* total number of lookahead glyphs */ - FT_UShort* Lookahead; /* array of lookahead glyph IDs */ - FT_UShort SubstCount; /* number of SubstLookupRecords */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of SubstLookupRecords */ - }; - - typedef struct TTO_ChainSubRule_ TTO_ChainSubRule; - - - struct TTO_ChainSubRuleSet_ - { - FT_UShort ChainSubRuleCount; - /* number of ChainSubRule tables */ - TTO_ChainSubRule* ChainSubRule; /* array of ChainSubRule tables */ - }; - - typedef struct TTO_ChainSubRuleSet_ TTO_ChainSubRuleSet; - - - struct TTO_ChainContextSubstFormat1_ - { - TTO_Coverage Coverage; /* Coverage table */ - FT_UShort ChainSubRuleSetCount; - /* number of ChainSubRuleSet tables */ - TTO_ChainSubRuleSet* ChainSubRuleSet; - /* array of ChainSubRuleSet tables */ - }; - - typedef struct TTO_ChainContextSubstFormat1_ TTO_ChainContextSubstFormat1; - - - struct TTO_ChainSubClassRule_ - { - FT_UShort BacktrackGlyphCount; - /* total number of backtrack - classes */ - FT_UShort* Backtrack; /* array of backtrack classes */ - FT_UShort InputGlyphCount; - /* total number of context classes */ - FT_UShort* Input; /* array of context classes */ - FT_UShort LookaheadGlyphCount; - /* total number of lookahead - classes */ - FT_UShort* Lookahead; /* array of lookahead classes */ - FT_UShort SubstCount; /* number of SubstLookupRecords */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of substitution lookups */ - }; - - typedef struct TTO_ChainSubClassRule_ TTO_ChainSubClassRule; - - - struct TTO_ChainSubClassSet_ - { - FT_UShort ChainSubClassRuleCount; - /* number of ChainSubClassRule - tables */ - TTO_ChainSubClassRule* ChainSubClassRule; - /* array of ChainSubClassRule - tables */ - }; - - typedef struct TTO_ChainSubClassSet_ TTO_ChainSubClassSet; - - - /* The `MaxXXXLength' fields are not defined in the TTO specification - but simplifies the implementation of this format. It holds the - maximal context length used in the specific context rules. */ - - struct TTO_ChainContextSubstFormat2_ - { - TTO_Coverage Coverage; /* Coverage table */ - - FT_UShort MaxBacktrackLength; - /* maximal backtrack length */ - TTO_ClassDefinition BacktrackClassDef; - /* BacktrackClassDef table */ - FT_UShort MaxInputLength; - /* maximal input length */ - TTO_ClassDefinition InputClassDef; - /* InputClassDef table */ - FT_UShort MaxLookaheadLength; - /* maximal lookahead length */ - TTO_ClassDefinition LookaheadClassDef; - /* LookaheadClassDef table */ - - FT_UShort ChainSubClassSetCount; - /* number of ChainSubClassSet - tables */ - TTO_ChainSubClassSet* ChainSubClassSet; - /* array of ChainSubClassSet - tables */ - }; - - typedef struct TTO_ChainContextSubstFormat2_ TTO_ChainContextSubstFormat2; - - - struct TTO_ChainContextSubstFormat3_ - { - FT_UShort BacktrackGlyphCount; - /* number of backtrack glyphs */ - TTO_Coverage* BacktrackCoverage; - /* array of backtrack Coverage - tables */ - FT_UShort InputGlyphCount; - /* number of input glyphs */ - TTO_Coverage* InputCoverage; - /* array of input coverage - tables */ - FT_UShort LookaheadGlyphCount; - /* number of lookahead glyphs */ - TTO_Coverage* LookaheadCoverage; - /* array of lookahead coverage - tables */ - FT_UShort SubstCount; /* number of SubstLookupRecords */ - TTO_SubstLookupRecord* SubstLookupRecord; - /* array of substitution lookups */ - }; - - typedef struct TTO_ChainContextSubstFormat3_ TTO_ChainContextSubstFormat3; - - - struct TTO_ChainContextSubst_ - { - FT_UShort SubstFormat; /* 1, 2, or 3 */ - - union - { - TTO_ChainContextSubstFormat1 ccsf1; - TTO_ChainContextSubstFormat2 ccsf2; - TTO_ChainContextSubstFormat3 ccsf3; - } ccsf; - }; - - typedef struct TTO_ChainContextSubst_ TTO_ChainContextSubst; - - - union TTO_GSUB_SubTable_ - { - TTO_SingleSubst single; - TTO_MultipleSubst multiple; - TTO_AlternateSubst alternate; - TTO_LigatureSubst ligature; - TTO_ContextSubst context; - TTO_ChainContextSubst chain; - }; - - typedef union TTO_GSUB_SubTable_ TTO_GSUB_SubTable; - - - /* A simple string object. It can both `send' and `receive' data. - In case of sending, `length' and `pos' will be used. In case of - receiving, `pos' points to the first free slot, and `allocated' - specifies the amount of allocated memory (and the `length' field - will be ignored). The routine TT_Add_String() will increase the - amount of memory if necessary. After end of receive, `length' - should be set to the value of `pos', and `pos' will be set to zero. - - `properties' (which is treated as a bit field) gives the glyph's - properties: If a certain bit is set for a glyph, the feature which - has the same bit set in its property value is applied. - - `components' is an internal array which tracks components of - ligatures. We need this for MarkToLigature Attachment Positioning - Subtables (in GPOS) together with `ligIDs' (which is used to mark - ligatures and the skipped glyphs during a ligature lookup). - `max_ligID' is increased after a successful ligature lookup. - - NEVER modify any elements of the structure! You should rather copy - its contents if necessary. - - TT_Add_String() will also handle allocation; you should use - free() in case you want to destroy the arrays in the object. */ - - - /* finally, the GSUB API */ - - /* EXPORT_DEF - TT_Error TT_Init_GSUB_Extension( TT_Engine engine ); */ - - EXPORT_DEF - FT_Error TT_Load_GSUB_Table( FT_Face face, - TTO_GSUBHeader** gsub, - TTO_GDEFHeader* gdef ); - - EXPORT_DEF - FT_Error TT_Done_GSUB_Table( TTO_GSUBHeader* gsub ); - - EXPORT_DEF - FT_Error TT_GSUB_Select_Script( TTO_GSUBHeader* gsub, - FT_ULong script_tag, - FT_UShort* script_index ); - EXPORT_DEF - FT_Error TT_GSUB_Select_Language( TTO_GSUBHeader* gsub, - FT_ULong language_tag, - FT_UShort script_index, - FT_UShort* language_index, - FT_UShort* req_feature_index ); - EXPORT_DEF - FT_Error TT_GSUB_Select_Feature( TTO_GSUBHeader* gsub, - FT_ULong feature_tag, - FT_UShort script_index, - FT_UShort language_index, - FT_UShort* feature_index ); - - EXPORT_DEF - FT_Error TT_GSUB_Query_Scripts( TTO_GSUBHeader* gsub, - FT_ULong** script_tag_list ); - EXPORT_DEF - FT_Error TT_GSUB_Query_Languages( TTO_GSUBHeader* gsub, - FT_UShort script_index, - FT_ULong** language_tag_list ); - EXPORT_DEF - FT_Error TT_GSUB_Query_Features( TTO_GSUBHeader* gsub, - FT_UShort script_index, - FT_UShort language_index, - FT_ULong** feature_tag_list ); - - EXPORT_DEF - FT_Error TT_GSUB_Add_Feature( TTO_GSUBHeader* gsub, - FT_UShort feature_index, - FT_UInt property ); - EXPORT_DEF - FT_Error TT_GSUB_Clear_Features( TTO_GSUBHeader* gsub ); - - EXPORT_DEF - FT_Error TT_GSUB_Register_Alternate_Function( TTO_GSUBHeader* gsub, - TTO_AltFunction altfunc, - void* data ); - - EXPORT_DEF - FT_Error TT_GSUB_Apply_String( TTO_GSUBHeader* gsub, - OTL_Buffer buffer ); - - -#ifdef __cplusplus -} -#endif - -#endif /* FTXGSUB_H */ - - -/* END */ |