| /***************************************************************************/ |
| /* */ |
| /* ftobjs.h */ |
| /* */ |
| /* The FreeType private base classes (specification). */ |
| /* */ |
| /* Copyright 1996-2001, 2002 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. */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* This file contains the definition of all internal FreeType classes. */ |
| /* */ |
| /*************************************************************************/ |
| |
| |
| #ifndef __FTOBJS_H__ |
| #define __FTOBJS_H__ |
| |
| #include <ft2build.h> |
| #include FT_CONFIG_STANDARD_LIBRARY_H /* for ft_setjmp and ft_longjmp */ |
| #include FT_RENDER_H |
| #include FT_SIZES_H |
| #include FT_INTERNAL_MEMORY_H |
| #include FT_INTERNAL_GLYPH_LOADER_H |
| #include FT_INTERNAL_DRIVER_H |
| #include FT_INTERNAL_AUTOHINT_H |
| #include FT_INTERNAL_OBJECT_H |
| |
| #ifdef FT_CONFIG_OPTION_INCREMENTAL |
| #include FT_INCREMENTAL_H |
| #endif |
| |
| |
| FT_BEGIN_HEADER |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* Some generic definitions. */ |
| /* */ |
| #ifndef TRUE |
| #define TRUE 1 |
| #endif |
| |
| #ifndef FALSE |
| #define FALSE 0 |
| #endif |
| |
| #ifndef NULL |
| #define NULL (void*)0 |
| #endif |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* The min and max functions missing in C. As usual, be careful not to */ |
| /* write things like MIN( a++, b++ ) to avoid side effects. */ |
| /* */ |
| #ifndef MIN |
| #define MIN( a, b ) ( (a) < (b) ? (a) : (b) ) |
| #endif |
| |
| #ifndef MAX |
| #define MAX( a, b ) ( (a) > (b) ? (a) : (b) ) |
| #endif |
| |
| #ifndef ABS |
| #define ABS( a ) ( (a) < 0 ? -(a) : (a) ) |
| #endif |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** V A L I D A T I O N ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| /* handle to a validation object */ |
| typedef struct FT_ValidatorRec_* FT_Validator; |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* There are three distinct validation levels defined here: */ |
| /* */ |
| /* FT_VALIDATE_DEFAULT :: */ |
| /* A table that passes this validation level can be used reliably by */ |
| /* FreeType. It generally means that all offsets have been checked to */ |
| /* prevent out-of-bound reads, array counts are correct, etc. */ |
| /* */ |
| /* FT_VALIDATE_TIGHT :: */ |
| /* A table that passes this validation level can be used reliably and */ |
| /* doesn't contain invalid data. For example, a charmap table that */ |
| /* returns invalid glyph indices will not pass, even though it can */ |
| /* be used with FreeType in default mode (the library will simply */ |
| /* return an error later when trying to load the glyph). */ |
| /* */ |
| /* It also check that fields that must be a multiple of 2, 4, or 8 */ |
| /* dont' have incorrect values, etc. */ |
| /* */ |
| /* FT_VALIDATE_PARANOID :: */ |
| /* Only for font debugging. Checks that a table follows the */ |
| /* specification by 100%. Very few fonts will be able to pass this */ |
| /* level anyway but it can be useful for certain tools like font */ |
| /* editors/converters. */ |
| /* */ |
| typedef enum FT_ValidationLevel_ |
| { |
| FT_VALIDATE_DEFAULT = 0, |
| FT_VALIDATE_TIGHT, |
| FT_VALIDATE_PARANOID |
| |
| } FT_ValidationLevel; |
| |
| |
| /* validator structure */ |
| typedef struct FT_ValidatorRec_ |
| { |
| const FT_Byte* base; /* address of table in memory */ |
| const FT_Byte* limit; /* `base' + sizeof(table) in memory */ |
| FT_ValidationLevel level; /* validation level */ |
| FT_Error error; /* error returned. 0 means success */ |
| |
| ft_jmp_buf jump_buffer; /* used for exception handling */ |
| |
| } FT_ValidatorRec; |
| |
| |
| #define FT_VALIDATOR( x ) ((FT_Validator)( x )) |
| |
| |
| FT_BASE( void ) |
| ft_validator_init( FT_Validator valid, |
| const FT_Byte* base, |
| const FT_Byte* limit, |
| FT_ValidationLevel level ); |
| |
| FT_BASE( FT_Int ) |
| ft_validator_run( FT_Validator valid ); |
| |
| /* Sets the error field in a validator, then calls `longjmp' to return */ |
| /* to high-level caller. Using `setjmp/longjmp' avoids many stupid */ |
| /* error checks within the validation routines. */ |
| /* */ |
| FT_BASE( void ) |
| ft_validator_error( FT_Validator valid, |
| FT_Error error ); |
| |
| |
| /* Calls ft_validate_error. Assumes that the `valid' local variable */ |
| /* holds a pointer to the current validator object. */ |
| /* */ |
| #define FT_INVALID( _error ) ft_validator_error( valid, _error ) |
| |
| /* called when a broken table is detected */ |
| #define FT_INVALID_TOO_SHORT FT_INVALID( FT_Err_Invalid_Table ) |
| |
| /* called when an invalid offset is detected */ |
| #define FT_INVALID_OFFSET FT_INVALID( FT_Err_Invalid_Offset ) |
| |
| /* called when an invalid format/value is detected */ |
| #define FT_INVALID_FORMAT FT_INVALID( FT_Err_Invalid_Table ) |
| |
| /* called when an invalid glyph index is detected */ |
| #define FT_INVALID_GLYPH_ID FT_INVALID( FT_Err_Invalid_Glyph_Index ) |
| |
| /* called when an invalid field value is detected */ |
| #define FT_INVALID_DATA FT_INVALID( FT_Err_Invalid_Table ) |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** C H A R M A P S ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| /* handle to internal charmap object */ |
| typedef struct FT_CMapRec_* FT_CMap; |
| |
| /* handle to charmap class structure */ |
| typedef const struct FT_CMap_ClassRec_* FT_CMap_Class; |
| |
| /* internal charmap object structure */ |
| typedef struct FT_CMapRec_ |
| { |
| FT_CharMapRec charmap; |
| FT_CMap_Class clazz; |
| |
| } FT_CMapRec; |
| |
| /* typecase any pointer to a charmap handle */ |
| #define FT_CMAP( x ) ((FT_CMap)( x )) |
| |
| /* obvious macros */ |
| #define FT_CMAP_PLATFORM_ID( x ) FT_CMAP( x )->charmap.platform_id |
| #define FT_CMAP_ENCODING_ID( x ) FT_CMAP( x )->charmap.encoding_id |
| #define FT_CMAP_ENCODING( x ) FT_CMAP( x )->charmap.encoding |
| #define FT_CMAP_FACE( x ) FT_CMAP( x )->charmap.face |
| |
| |
| /* class method definitions */ |
| typedef FT_Error |
| (*FT_CMap_InitFunc)( FT_CMap cmap, |
| FT_Pointer init_data ); |
| |
| typedef void |
| (*FT_CMap_DoneFunc)( FT_CMap cmap ); |
| |
| typedef FT_UInt |
| (*FT_CMap_CharIndexFunc)( FT_CMap cmap, |
| FT_UInt32 char_code ); |
| |
| typedef FT_UInt |
| (*FT_CMap_CharNextFunc)( FT_CMap cmap, |
| FT_UInt32 *achar_code ); |
| |
| |
| typedef struct FT_CMap_ClassRec_ |
| { |
| FT_UInt size; |
| FT_CMap_InitFunc init; |
| FT_CMap_DoneFunc done; |
| FT_CMap_CharIndexFunc char_index; |
| FT_CMap_CharNextFunc char_next; |
| |
| } FT_CMap_ClassRec; |
| |
| |
| /* create a new charmap and add it to charmap->face */ |
| FT_BASE( FT_Error ) |
| FT_CMap_New( FT_CMap_Class clazz, |
| FT_Pointer init_data, |
| FT_CharMap charmap, |
| FT_CMap *acmap ); |
| |
| /* destroy a charmap (don't remove it from face's list though) */ |
| FT_BASE( void ) |
| FT_CMap_Done( FT_CMap cmap ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Struct> */ |
| /* FT_Face_InternalRec */ |
| /* */ |
| /* <Description> */ |
| /* This structure contains the internal fields of each FT_Face */ |
| /* object. These fields may change between different releases of */ |
| /* FreeType. */ |
| /* */ |
| /* <Fields> */ |
| /* max_points :: The maximal number of points used to store the */ |
| /* vectorial outline of any glyph in this face. */ |
| /* If this value cannot be known in advance, or */ |
| /* if the face isn't scalable, this should be set */ |
| /* to 0. Only relevant for scalable formats. */ |
| /* */ |
| /* max_contours :: The maximal number of contours used to store */ |
| /* the vectorial outline of any glyph in this */ |
| /* face. If this value cannot be known in */ |
| /* advance, or if the face isn't scalable, this */ |
| /* should be set to 0. Only relevant for */ |
| /* scalable formats. */ |
| /* */ |
| /* transform_matrix :: A 2x2 matrix of 16.16 coefficients used to */ |
| /* transform glyph outlines after they are loaded */ |
| /* from the font. Only used by the convenience */ |
| /* functions. */ |
| /* */ |
| /* transform_delta :: A translation vector used to transform glyph */ |
| /* outlines after they are loaded from the font. */ |
| /* Only used by the convenience functions. */ |
| /* */ |
| /* transform_flags :: Some flags used to classify the transform. */ |
| /* Only used by the convenience functions. */ |
| /* */ |
| /* hint_flags :: Some flags used to change the hinters' */ |
| /* behaviour. Only used for debugging for now. */ |
| /* */ |
| /* postscript_name :: Postscript font name for this face. */ |
| /* */ |
| /* incremental_interface :: */ |
| /* If non-null, the interface through */ |
| /* which glyph data and metrics are loaded */ |
| /* incrementally for faces that do not provide */ |
| /* all of this data when first opened. */ |
| /* This field exists only if */ |
| /* @FT_CONFIG_OPTION_INCREMENTAL is defined. */ |
| /* */ |
| typedef struct FT_Face_InternalRec_ |
| { |
| FT_UShort max_points; |
| FT_Short max_contours; |
| |
| FT_Matrix transform_matrix; |
| FT_Vector transform_delta; |
| FT_Int transform_flags; |
| |
| FT_UInt32 hint_flags; |
| |
| const char* postscript_name; |
| |
| #ifdef FT_CONFIG_OPTION_INCREMENTAL |
| FT_Incremental_InterfaceRec* incremental_interface; |
| #endif |
| |
| } FT_Face_InternalRec; |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Struct> */ |
| /* FT_Slot_InternalRec */ |
| /* */ |
| /* <Description> */ |
| /* This structure contains the internal fields of each FT_GlyphSlot */ |
| /* object. These fields may change between different releases of */ |
| /* FreeType. */ |
| /* */ |
| /* <Fields> */ |
| /* loader :: The glyph loader object used to load outlines */ |
| /* into the glyph slot. */ |
| /* */ |
| /* glyph_transformed :: Boolean. Set to TRUE when the loaded glyph */ |
| /* must be transformed through a specific */ |
| /* font transformation. This is _not_ the same */ |
| /* as the face transform set through */ |
| /* FT_Set_Transform(). */ |
| /* */ |
| /* glyph_matrix :: The 2x2 matrix corresponding to the glyph */ |
| /* transformation, if necessary. */ |
| /* */ |
| /* glyph_delta :: The 2d translation vector corresponding to */ |
| /* the glyph transformation, if necessary. */ |
| /* */ |
| /* glyph_hints :: Format-specific glyph hints management. */ |
| /* */ |
| typedef struct FT_Slot_InternalRec_ |
| { |
| FT_GlyphLoader loader; |
| FT_Bool glyph_transformed; |
| FT_Matrix glyph_matrix; |
| FT_Vector glyph_delta; |
| void* glyph_hints; |
| |
| } FT_GlyphSlot_InternalRec; |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** M O D U L E S ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Struct> */ |
| /* FT_ModuleRec */ |
| /* */ |
| /* <Description> */ |
| /* A module object instance. */ |
| /* */ |
| /* <Fields> */ |
| /* clazz :: A pointer to the module's class. */ |
| /* */ |
| /* library :: A handle to the parent library object. */ |
| /* */ |
| /* memory :: A handle to the memory manager. */ |
| /* */ |
| /* generic :: A generic structure for user-level extensibility (?). */ |
| /* */ |
| typedef struct FT_ModuleRec_ |
| { |
| FT_Module_Class* clazz; |
| FT_Library library; |
| FT_Memory memory; |
| FT_Generic generic; |
| |
| } FT_ModuleRec; |
| |
| |
| /* typecast an object to a FT_Module */ |
| #define FT_MODULE( x ) ((FT_Module)( x )) |
| #define FT_MODULE_CLASS( x ) FT_MODULE( x )->clazz |
| #define FT_MODULE_LIBRARY( x ) FT_MODULE( x )->library |
| #define FT_MODULE_MEMORY( x ) FT_MODULE( x )->memory |
| |
| |
| #define FT_MODULE_IS_DRIVER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_font_driver ) |
| |
| #define FT_MODULE_IS_RENDERER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_renderer ) |
| |
| #define FT_MODULE_IS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_hinter ) |
| |
| #define FT_MODULE_IS_STYLER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_styler ) |
| |
| #define FT_DRIVER_IS_SCALABLE( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_driver_scalable ) |
| |
| #define FT_DRIVER_USES_OUTLINES( x ) !( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_driver_no_outlines ) |
| |
| #define FT_DRIVER_HAS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ |
| ft_module_driver_has_hinter ) |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_Get_Module_Interface */ |
| /* */ |
| /* <Description> */ |
| /* Finds a module and returns its specific interface as a typeless */ |
| /* pointer. */ |
| /* */ |
| /* <Input> */ |
| /* library :: A handle to the library object. */ |
| /* */ |
| /* module_name :: The module's name (as an ASCII string). */ |
| /* */ |
| /* <Return> */ |
| /* A module-specific interface if available, 0 otherwise. */ |
| /* */ |
| /* <Note> */ |
| /* You should better be familiar with FreeType internals to know */ |
| /* which module to look for, and what its interface is :-) */ |
| /* */ |
| FT_BASE( const void* ) |
| FT_Get_Module_Interface( FT_Library library, |
| const char* mod_name ); |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| /* a few macros used to perform easy typecasts with minimal brain damage */ |
| |
| #define FT_FACE( x ) ((FT_Face)(x)) |
| #define FT_SIZE( x ) ((FT_Size)(x)) |
| #define FT_SLOT( x ) ((FT_GlyphSlot)(x)) |
| |
| #define FT_FACE_DRIVER( x ) FT_FACE( x )->driver |
| #define FT_FACE_LIBRARY( x ) FT_FACE_DRIVER( x )->root.library |
| #define FT_FACE_MEMORY( x ) FT_FACE( x )->memory |
| #define FT_FACE_STREAM( x ) FT_FACE( x )->stream |
| |
| #define FT_SIZE_FACE( x ) FT_SIZE( x )->face |
| #define FT_SLOT_FACE( x ) FT_SLOT( x )->face |
| |
| #define FT_FACE_SLOT( x ) FT_FACE( x )->glyph |
| #define FT_FACE_SIZE( x ) FT_FACE( x )->size |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_New_GlyphSlot */ |
| /* */ |
| /* <Description> */ |
| /* It is sometimes useful to have more than one glyph slot for a */ |
| /* given face object. This function is used to create additional */ |
| /* slots. All of them are automatically discarded when the face is */ |
| /* destroyed. */ |
| /* */ |
| /* <Input> */ |
| /* face :: A handle to a parent face object. */ |
| /* */ |
| /* <Output> */ |
| /* aslot :: A handle to a new glyph slot object. */ |
| /* */ |
| /* <Return> */ |
| /* FreeType error code. 0 means success. */ |
| /* */ |
| FT_BASE( FT_Error ) |
| FT_New_GlyphSlot( FT_Face face, |
| FT_GlyphSlot *aslot ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_Done_GlyphSlot */ |
| /* */ |
| /* <Description> */ |
| /* Destroys a given glyph slot. Remember however that all slots are */ |
| /* automatically destroyed with its parent. Using this function is */ |
| /* not always mandatory. */ |
| /* */ |
| /* <Input> */ |
| /* slot :: A handle to a target glyph slot. */ |
| /* */ |
| FT_BASE( void ) |
| FT_Done_GlyphSlot( FT_GlyphSlot slot ); |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** R E N D E R E R S ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| |
| #define FT_RENDERER( x ) ((FT_Renderer)( x )) |
| #define FT_GLYPH( x ) ((FT_Glyph)( x )) |
| #define FT_BITMAP_GLYPH( x ) ((FT_BitmapGlyph)( x )) |
| #define FT_OUTLINE_GLYPH( x ) ((FT_OutlineGlyph)( x )) |
| |
| |
| typedef struct FT_RendererRec_ |
| { |
| FT_ModuleRec root; |
| FT_Renderer_Class* clazz; |
| FT_Glyph_Format glyph_format; |
| FT_Glyph_Class glyph_class; |
| |
| FT_Raster raster; |
| FT_Raster_Render_Func raster_render; |
| FT_Renderer_RenderFunc render; |
| |
| } FT_RendererRec; |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** F O N T D R I V E R S ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| |
| /* typecast a module into a driver easily */ |
| #define FT_DRIVER( x ) ((FT_Driver)(x)) |
| |
| /* typecast a module as a driver, and get its driver class */ |
| #define FT_DRIVER_CLASS( x ) FT_DRIVER( x )->clazz |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Struct> */ |
| /* FT_DriverRec */ |
| /* */ |
| /* <Description> */ |
| /* The root font driver class. A font driver is responsible for */ |
| /* managing and loading font files of a given format. */ |
| /* */ |
| /* <Fields> */ |
| /* root :: Contains the fields of the root module class. */ |
| /* */ |
| /* clazz :: A pointer to the font driver's class. Note that */ |
| /* this is NOT root.clazz. `class' wasn't used */ |
| /* as it is a reserved word in C++. */ |
| /* */ |
| /* faces_list :: The list of faces currently opened by this */ |
| /* driver. */ |
| /* */ |
| /* extensions :: A typeless pointer to the driver's extensions */ |
| /* registry, if they are supported through the */ |
| /* configuration macro FT_CONFIG_OPTION_EXTENSIONS. */ |
| /* */ |
| /* glyph_loader :: The glyph loader for all faces managed by this */ |
| /* driver. This object isn't defined for unscalable */ |
| /* formats. */ |
| /* */ |
| typedef struct FT_DriverRec_ |
| { |
| FT_ModuleRec root; |
| FT_Driver_Class clazz; |
| |
| FT_ListRec faces_list; |
| void* extensions; |
| |
| FT_GlyphLoader glyph_loader; |
| |
| } FT_DriverRec; |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /**** ****/ |
| /**** ****/ |
| /**** L I B R A R I E S ****/ |
| /**** ****/ |
| /**** ****/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| |
| #define FT_DEBUG_HOOK_TRUETYPE 0 |
| #define FT_DEBUG_HOOK_TYPE1 1 |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Struct> */ |
| /* FT_LibraryRec */ |
| /* */ |
| /* <Description> */ |
| /* The FreeType library class. This is the root of all FreeType */ |
| /* data. Use FT_New_Library() to create a library object, and */ |
| /* FT_Done_Library() to discard it and all child objects. */ |
| /* */ |
| /* <Fields> */ |
| /* memory :: The library's memory object. Manages memory */ |
| /* allocation. */ |
| /* */ |
| /* generic :: Client data variable. Used to extend the */ |
| /* Library class by higher levels and clients. */ |
| /* */ |
| /* num_modules :: The number of modules currently registered */ |
| /* within this library. This is set to 0 for new */ |
| /* libraries. New modules are added through the */ |
| /* FT_Add_Module() API function. */ |
| /* */ |
| /* modules :: A table used to store handles to the currently */ |
| /* registered modules. Note that each font driver */ |
| /* contains a list of its opened faces. */ |
| /* */ |
| /* renderers :: The list of renderers currently registered */ |
| /* within the library. */ |
| /* */ |
| /* cur_renderer :: The current outline renderer. This is a */ |
| /* shortcut used to avoid parsing the list on */ |
| /* each call to FT_Outline_Render(). It is a */ |
| /* handle to the current renderer for the */ |
| /* FT_GLYPH_FORMAT_OUTLINE format. */ |
| /* */ |
| /* auto_hinter :: XXX */ |
| /* */ |
| /* raster_pool :: The raster object's render pool. This can */ |
| /* ideally be changed dynamically at run-time. */ |
| /* */ |
| /* raster_pool_size :: The size of the render pool in bytes. */ |
| /* */ |
| /* debug_hooks :: XXX */ |
| /* */ |
| typedef struct FT_LibraryRec_ |
| { |
| FT_Memory memory; /* library's memory manager */ |
| |
| FT_Generic generic; |
| |
| FT_Int version_major; |
| FT_Int version_minor; |
| FT_Int version_patch; |
| |
| FT_UInt num_modules; |
| FT_Module modules[FT_MAX_MODULES]; /* module objects */ |
| |
| FT_ListRec renderers; /* list of renderers */ |
| FT_Renderer cur_renderer; /* current outline renderer */ |
| FT_Module auto_hinter; |
| |
| FT_Byte* raster_pool; /* scan-line conversion */ |
| /* render pool */ |
| FT_ULong raster_pool_size; /* size of render pool in bytes */ |
| |
| FT_DebugHook_Func debug_hooks[4]; |
| |
| FT_MetaClassRec meta_class; |
| |
| } FT_LibraryRec; |
| |
| |
| FT_BASE( FT_Renderer ) |
| FT_Lookup_Renderer( FT_Library library, |
| FT_Glyph_Format format, |
| FT_ListNode* node ); |
| |
| FT_BASE( FT_Error ) |
| FT_Render_Glyph_Internal( FT_Library library, |
| FT_GlyphSlot slot, |
| FT_Render_Mode render_mode ); |
| |
| typedef const char* |
| (*FT_Face_GetPostscriptNameFunc)( FT_Face face ); |
| |
| typedef FT_Error |
| (*FT_Face_GetGlyphNameFunc)( FT_Face face, |
| FT_UInt glyph_index, |
| FT_Pointer buffer, |
| FT_UInt buffer_max ); |
| |
| typedef FT_UInt |
| (*FT_Face_GetGlyphNameIndexFunc)( FT_Face face, |
| FT_String* glyph_name ); |
| |
| |
| #ifndef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_New_Memory */ |
| /* */ |
| /* <Description> */ |
| /* Creates a new memory object. */ |
| /* */ |
| /* <Return> */ |
| /* A pointer to the new memory object. 0 in case of error. */ |
| /* */ |
| FT_EXPORT( FT_Memory ) |
| FT_New_Memory( void ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_Done_Memory */ |
| /* */ |
| /* <Description> */ |
| /* Discards memory manager. */ |
| /* */ |
| /* <Input> */ |
| /* memory :: A handle to the memory manager. */ |
| /* */ |
| FT_EXPORT( void ) |
| FT_Done_Memory( FT_Memory memory ); |
| |
| #endif /* !FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM */ |
| |
| |
| /* Define default raster's interface. The default raster is located in */ |
| /* `src/base/ftraster.c'. */ |
| /* */ |
| /* Client applications can register new rasters through the */ |
| /* FT_Set_Raster() API. */ |
| |
| #ifndef FT_NO_DEFAULT_RASTER |
| FT_EXPORT_VAR( FT_Raster_Funcs ) ft_default_raster; |
| #endif |
| |
| |
| FT_END_HEADER |
| |
| #endif /* __FTOBJS_H__ */ |
| |
| |
| /* END */ |
