| /***************************************************************************/ |
| /* */ |
| /* otlayout.h */ |
| /* */ |
| /* OpenType based layout engine */ |
| /* (For application developers, specification only). */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| #ifndef __OTLAYOUT_H__ |
| #define __OTLAYOUT_H__ |
| |
| #include <ft2build.h> |
| #include FT_FREETYPE_H |
| FT_BEGIN_HEADER |
| |
| typedef FT_ULong OTTag; |
| typedef enum { |
| OT_TABLE_GSUB, |
| OT_TABLE_GPOS |
| } OTTableType; |
| |
| typedef struct OTL_FeaturesRequestRec_ *OTL_FeaturesRequest; |
| typedef struct OTL_Tag_ListRec_ |
| { |
| OTL_FeaturesRequest request; |
| OTTag * tags; /* 0 is terminator. */ |
| } OTL_Tag_ListRec, *OTL_Tag_List; |
| |
| FT_EXPORT( FT_Bool ) |
| OTL_FeaturesRequest_Find_Script ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| OTTag script_tag, |
| FT_UInt *script_index); |
| |
| FT_EXPORT( FT_Bool ) |
| OTL_FeaturesRequest_Find_Language ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| FT_UInt script_index, |
| OTTag language_tag, |
| FT_UInt *language_index, |
| FT_UInt *required_feature_index ); |
| |
| FT_EXPORT ( FT_Bool ) |
| OTL_FeaturesRequest_Find_Feature ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| OTTag feature_tag, |
| FT_UInt script_index, |
| FT_UInt language_index, |
| FT_UInt *feature_index ); |
| |
| FT_EXPORT ( OTL_Tag_List ) |
| OTL_FeaturesRequest_List_Scripts ( OTL_FeaturesRequest request, |
| OTTableType table_type ); |
| |
| FT_EXPORT ( OTL_Tag_List ) |
| OTL_FeaturesRequest_List_Languages ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| FT_UInt script_index ); |
| |
| FT_EXPORT ( OTL_Tag_List ) |
| OTL_FeaturesRequest_List_Features ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| FT_UInt script_index, |
| FT_UInt language_index ); |
| |
| FT_EXPORT ( FT_Error ) |
| OTL_Tag_List_Done ( OTL_Tag_List taglist ); |
| |
| FT_EXPORT ( FT_Error ) |
| OTL_FeaturesRequest_Add_Feature ( OTL_FeaturesRequest request, |
| OTTableType table_type, |
| FT_UInt feature_index, |
| FT_ULong property_bit); |
| |
| FT_END_HEADER |
| |
| #endif /* Not def: __OTLAYOUT_H__ */ |
