--- a/misc/libfreetype/include/freetype/internal/ftobjs.h Tue Jul 16 11:14:27 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1428 +0,0 @@
-/***************************************************************************/
-/* */
-/* ftobjs.h */
-/* */
-/* The FreeType private base classes (specification). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2008, 2010 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_RENDER_H
-#include FT_SIZES_H
-#include FT_LCD_FILTER_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_SERVICE_H
-#include FT_INTERNAL_PIC_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 FT_MIN( a++, b++ ) to avoid side effects. */
- /* */
-#define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) )
-#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
-
-#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
-
-
-#define FT_PAD_FLOOR( x, n ) ( (x) & ~((n)-1) )
-#define FT_PAD_ROUND( x, n ) FT_PAD_FLOOR( (x) + ((n)/2), n )
-#define FT_PAD_CEIL( x, n ) FT_PAD_FLOOR( (x) + ((n)-1), n )
-
-#define FT_PIX_FLOOR( x ) ( (x) & ~63 )
-#define FT_PIX_ROUND( x ) FT_PIX_FLOOR( (x) + 32 )
-#define FT_PIX_CEIL( x ) FT_PIX_FLOOR( (x) + 63 )
-
-
- /*
- * Return the highest power of 2 that is <= value; this correspond to
- * the highest bit in a given 32-bit value.
- */
- FT_BASE( FT_UInt32 )
- ft_highpow2( FT_UInt32 value );
-
-
- /*
- * character classification functions -- since these are used to parse
- * font files, we must not use those in <ctypes.h> which are
- * locale-dependent
- */
-#define ft_isdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U )
-
-#define ft_isxdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U || \
- ( (unsigned)(x) - 'a' ) < 6U || \
- ( (unsigned)(x) - 'A' ) < 6U )
-
- /* the next two macros assume ASCII representation */
-#define ft_isupper( x ) ( ( (unsigned)(x) - 'A' ) < 26U )
-#define ft_islower( x ) ( ( (unsigned)(x) - 'a' ) < 26U )
-
-#define ft_isalpha( x ) ( ft_isupper( x ) || ft_islower( x ) )
-#define ft_isalnum( x ) ( ft_isdigit( x ) || ft_isalpha( x ) )
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** 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 FT_UInt
- (*FT_CMap_CharVarIndexFunc)( FT_CMap cmap,
- FT_CMap unicode_cmap,
- FT_UInt32 char_code,
- FT_UInt32 variant_selector );
-
- typedef FT_Bool
- (*FT_CMap_CharVarIsDefaultFunc)( FT_CMap cmap,
- FT_UInt32 char_code,
- FT_UInt32 variant_selector );
-
- typedef FT_UInt32 *
- (*FT_CMap_VariantListFunc)( FT_CMap cmap,
- FT_Memory mem );
-
- typedef FT_UInt32 *
- (*FT_CMap_CharVariantListFunc)( FT_CMap cmap,
- FT_Memory mem,
- FT_UInt32 char_code );
-
- typedef FT_UInt32 *
- (*FT_CMap_VariantCharListFunc)( FT_CMap cmap,
- FT_Memory mem,
- FT_UInt32 variant_selector );
-
-
- typedef struct FT_CMap_ClassRec_
- {
- FT_ULong size;
- FT_CMap_InitFunc init;
- FT_CMap_DoneFunc done;
- FT_CMap_CharIndexFunc char_index;
- FT_CMap_CharNextFunc char_next;
-
- /* Subsequent entries are special ones for format 14 -- the variant */
- /* selector subtable which behaves like no other */
-
- FT_CMap_CharVarIndexFunc char_var_index;
- FT_CMap_CharVarIsDefaultFunc char_var_default;
- FT_CMap_VariantListFunc variant_list;
- FT_CMap_CharVariantListFunc charvariant_list;
- FT_CMap_VariantCharListFunc variantchar_list;
-
- } FT_CMap_ClassRec;
-
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DECLARE_CMAP_CLASS(class_) \
- FT_CALLBACK_TABLE const FT_CMap_ClassRec class_;
-
-#define FT_DEFINE_CMAP_CLASS(class_, size_, init_, done_, char_index_, \
- char_next_, char_var_index_, char_var_default_, variant_list_, \
- charvariant_list_, variantchar_list_) \
- FT_CALLBACK_TABLE_DEF \
- const FT_CMap_ClassRec class_ = \
- { \
- size_, init_, done_, char_index_, char_next_, char_var_index_, \
- char_var_default_, variant_list_, charvariant_list_, variantchar_list_ \
- };
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DECLARE_CMAP_CLASS(class_) \
- void FT_Init_Class_##class_( FT_Library library, FT_CMap_ClassRec* clazz);
-
-#define FT_DEFINE_CMAP_CLASS(class_, size_, init_, done_, char_index_, \
- char_next_, char_var_index_, char_var_default_, variant_list_, \
- charvariant_list_, variantchar_list_) \
- void \
- FT_Init_Class_##class_( FT_Library library, \
- FT_CMap_ClassRec* clazz) \
- { \
- FT_UNUSED(library); \
- clazz->size = size_; \
- clazz->init = init_; \
- clazz->done = done_; \
- clazz->char_index = char_index_; \
- clazz->char_next = char_next_; \
- clazz->char_var_index = char_var_index_; \
- clazz->char_var_default = char_var_default_; \
- clazz->variant_list = variant_list_; \
- clazz->charvariant_list = charvariant_list_; \
- clazz->variantchar_list = variantchar_list_; \
- }
-#endif /* FT_CONFIG_OPTION_PIC */
-
- /* 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 and remove it from face's list */
- 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. */
- /* */
- /* services :: */
- /* A cache for frequently used services. It should be only */
- /* accessed with the macro `FT_FACE_LOOKUP_SERVICE'. */
- /* */
- /* 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. */
- /* */
- /* ignore_unpatented_hinter :: */
- /* This boolean flag instructs the glyph loader to ignore the */
- /* native font hinter, if one is found. This is exclusively used */
- /* in the case when the unpatented hinter is compiled within the */
- /* library. */
- /* */
- /* refcount :: */
- /* A counter initialized to~1 at the time an @FT_Face structure is */
- /* created. @FT_Reference_Face increments this counter, and */
- /* @FT_Done_Face only destroys a face if the counter is~1, */
- /* otherwise it simply decrements it. */
- /* */
- typedef struct FT_Face_InternalRec_
- {
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- FT_UShort reserved1;
- FT_Short reserved2;
-#endif
- FT_Matrix transform_matrix;
- FT_Vector transform_delta;
- FT_Int transform_flags;
-
- FT_ServiceCacheRec services;
-
-#ifdef FT_CONFIG_OPTION_INCREMENTAL
- FT_Incremental_InterfaceRec* incremental_interface;
-#endif
-
- FT_Bool ignore_unpatented_hinter;
- FT_UInt refcount;
-
- } 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. */
- /* */
- /* flags :: Possible values are zero or */
- /* FT_GLYPH_OWN_BITMAP. The latter indicates */
- /* that the FT_GlyphSlot structure owns the */
- /* bitmap buffer. */
- /* */
- /* 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. */
- /* */
-
-#define FT_GLYPH_OWN_BITMAP 0x1
-
- typedef struct FT_Slot_InternalRec_
- {
- FT_GlyphLoader loader;
- FT_UInt flags;
- FT_Bool glyph_transformed;
- FT_Matrix glyph_matrix;
- FT_Vector glyph_delta;
- void* glyph_hints;
-
- } FT_GlyphSlot_InternalRec;
-
-
-#if 0
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* FT_Size_InternalRec */
- /* */
- /* <Description> */
- /* This structure contains the internal fields of each FT_Size */
- /* object. Currently, it's empty. */
- /* */
- /*************************************************************************/
-
- typedef struct FT_Size_InternalRec_
- {
- /* empty */
-
- } FT_Size_InternalRec;
-
-#endif
-
-
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** 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 );
-
- FT_BASE( FT_Pointer )
- ft_module_get_service( FT_Module module,
- const char* service_id );
-
- /* */
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** 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 );
-
- /* */
-
-#define FT_REQUEST_WIDTH( req ) \
- ( (req)->horiResolution \
- ? (FT_Pos)( (req)->width * (req)->horiResolution + 36 ) / 72 \
- : (req)->width )
-
-#define FT_REQUEST_HEIGHT( req ) \
- ( (req)->vertResolution \
- ? (FT_Pos)( (req)->height * (req)->vertResolution + 36 ) / 72 \
- : (req)->height )
-
-
- /* Set the metrics according to a bitmap strike. */
- FT_BASE( void )
- FT_Select_Metrics( FT_Face face,
- FT_ULong strike_index );
-
-
- /* Set the metrics according to a size request. */
- FT_BASE( void )
- FT_Request_Metrics( FT_Face face,
- FT_Size_Request req );
-
-
- /* Match a size request against `available_sizes'. */
- FT_BASE( FT_Error )
- FT_Match_Size( FT_Face face,
- FT_Size_Request req,
- FT_Bool ignore_width,
- FT_ULong* size_index );
-
-
- /* Use the horizontal metrics to synthesize the vertical metrics. */
- /* If `advance' is zero, it is also synthesized. */
- FT_BASE( void )
- ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics,
- FT_Pos advance );
-
-
- /* Free the bitmap of a given glyphslot when needed (i.e., only when it */
- /* was allocated with ft_glyphslot_alloc_bitmap). */
- FT_BASE( void )
- ft_glyphslot_free_bitmap( FT_GlyphSlot slot );
-
-
- /* Allocate a new bitmap buffer in a glyph slot. */
- FT_BASE( FT_Error )
- ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot,
- FT_ULong size );
-
-
- /* Set the bitmap buffer in a glyph slot to a given pointer. The buffer */
- /* will not be freed by a later call to ft_glyphslot_free_bitmap. */
- FT_BASE( void )
- ft_glyphslot_set_bitmap( FT_GlyphSlot slot,
- FT_Byte* buffer );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** 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 ****/
- /**** ****/
- /**** ****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
- /* This hook is used by the TrueType debugger. It must be set to an */
- /* alternate truetype bytecode interpreter function. */
-#define FT_DEBUG_HOOK_TRUETYPE 0
-
-
- /* Set this debug hook to a non-null pointer to force unpatented hinting */
- /* for all faces when both TT_USE_BYTECODE_INTERPRETER and */
- /* TT_CONFIG_OPTION_UNPATENTED_HINTING are defined. This is only used */
- /* during debugging. */
-#define FT_DEBUG_HOOK_UNPATENTED_HINTING 1
-
-
- typedef void (*FT_Bitmap_LcdFilterFunc)( FT_Bitmap* bitmap,
- FT_Render_Mode render_mode,
- FT_Library library );
-
-
- /*************************************************************************/
- /* */
- /* <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. */
- /* */
- /* version_major :: The major version number of the library. */
- /* */
- /* version_minor :: The minor version number of the library. */
- /* */
- /* version_patch :: The current patch level of the library. */
- /* */
- /* 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 */
- /* */
- /* lcd_filter :: If subpixel rendering is activated, the */
- /* selected LCD filter mode. */
- /* */
- /* lcd_extra :: If subpixel rendering is activated, the number */
- /* of extra pixels needed for the LCD filter. */
- /* */
- /* lcd_weights :: If subpixel rendering is activated, the LCD */
- /* filter weights, if any. */
- /* */
- /* lcd_filter_func :: If subpixel rendering is activated, the LCD */
- /* filtering callback function. */
- /* */
- /* pic_container :: Contains global structs and tables, instead */
- /* of defining them globallly. */
- /* */
- /* refcount :: A counter initialized to~1 at the time an */
- /* @FT_Library structure is created. */
- /* @FT_Reference_Library increments this counter, */
- /* and @FT_Done_Library only destroys a library */
- /* if the counter is~1, otherwise it simply */
- /* decrements it. */
- /* */
- 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];
-
-#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING
- FT_LcdFilter lcd_filter;
- FT_Int lcd_extra; /* number of extra pixels */
- FT_Byte lcd_weights[7]; /* filter weights, if any */
- FT_Bitmap_LcdFilterFunc lcd_filter_func; /* filtering callback */
-#endif
-
-#ifdef FT_CONFIG_OPTION_PIC
- FT_PIC_Container pic_container;
-#endif
-
- FT_UInt refcount;
-
- } 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_BASE( FT_Memory )
- FT_New_Memory( void );
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FT_Done_Memory */
- /* */
- /* <Description> */
- /* Discards memory manager. */
- /* */
- /* <Input> */
- /* memory :: A handle to the memory manager. */
- /* */
- FT_BASE( 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
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** PIC-Support Macros for ftimage.h ****/
- /**** ****/
- /**** ****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DEFINE_OUTLINE_FUNCS */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Outline_Funcs struct. */
- /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
- /* called with a pre-allocated stracture to be filled. */
- /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
- /* allocated in the global scope (or the scope where the macro */
- /* is used). */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DEFINE_OUTLINE_FUNCS(class_, move_to_, line_to_, conic_to_, \
- cubic_to_, shift_, delta_) \
- static const FT_Outline_Funcs class_ = \
- { \
- move_to_, line_to_, conic_to_, cubic_to_, shift_, delta_ \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DEFINE_OUTLINE_FUNCS(class_, move_to_, line_to_, conic_to_, \
- cubic_to_, shift_, delta_) \
- static FT_Error \
- Init_Class_##class_( FT_Outline_Funcs* clazz ) \
- { \
- clazz->move_to = move_to_; \
- clazz->line_to = line_to_; \
- clazz->conic_to = conic_to_; \
- clazz->cubic_to = cubic_to_; \
- clazz->shift = shift_; \
- clazz->delta = delta_; \
- return FT_Err_Ok; \
- }
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DEFINE_RASTER_FUNCS */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Raster_Funcs struct. */
- /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
- /* called with a pre-allocated stracture to be filled. */
- /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
- /* allocated in the global scope (or the scope where the macro */
- /* is used). */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DEFINE_RASTER_FUNCS(class_, glyph_format_, raster_new_, \
- raster_reset_, raster_set_mode_, \
- raster_render_, raster_done_) \
- const FT_Raster_Funcs class_ = \
- { \
- glyph_format_, raster_new_, raster_reset_, \
- raster_set_mode_, raster_render_, raster_done_ \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DEFINE_RASTER_FUNCS(class_, glyph_format_, raster_new_, \
- raster_reset_, raster_set_mode_, raster_render_, raster_done_) \
- void \
- FT_Init_Class_##class_( FT_Raster_Funcs* clazz ) \
- { \
- clazz->glyph_format = glyph_format_; \
- clazz->raster_new = raster_new_; \
- clazz->raster_reset = raster_reset_; \
- clazz->raster_set_mode = raster_set_mode_; \
- clazz->raster_render = raster_render_; \
- clazz->raster_done = raster_done_; \
- }
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** PIC-Support Macros for ftrender.h ****/
- /**** ****/
- /**** ****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DEFINE_GLYPH */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Glyph_Class struct. */
- /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
- /* called with a pre-allocated stracture to be filled. */
- /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
- /* allocated in the global scope (or the scope where the macro */
- /* is used). */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DEFINE_GLYPH(class_, size_, format_, init_, done_, copy_, \
- transform_, bbox_, prepare_) \
- FT_CALLBACK_TABLE_DEF \
- const FT_Glyph_Class class_ = \
- { \
- size_, format_, init_, done_, copy_, transform_, bbox_, prepare_ \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DEFINE_GLYPH(class_, size_, format_, init_, done_, copy_, \
- transform_, bbox_, prepare_) \
- void \
- FT_Init_Class_##class_( FT_Glyph_Class* clazz ) \
- { \
- clazz->glyph_size = size_; \
- clazz->glyph_format = format_; \
- clazz->glyph_init = init_; \
- clazz->glyph_done = done_; \
- clazz->glyph_copy = copy_; \
- clazz->glyph_transform = transform_; \
- clazz->glyph_bbox = bbox_; \
- clazz->glyph_prepare = prepare_; \
- }
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DECLARE_RENDERER */
- /* */
- /* <Description> */
- /* Used to create a forward declaration of a */
- /* FT_Renderer_Class stract instance. */
- /* */
- /* <Macro> */
- /* FT_DEFINE_RENDERER */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Renderer_Class struct. */
- /* */
- /* When FT_CONFIG_OPTION_PIC is defined a Create funtion will need */
- /* to called with a pointer where the allocated stracture is returned.*/
- /* And when it is no longer needed a Destroy function needs */
- /* to be called to release that allocation. */
- /* fcinit.c (ft_create_default_module_classes) already contains */
- /* a mechanism to call these functions for the default modules */
- /* described in ftmodule.h */
- /* */
- /* Notice that the created Create and Destroy functions call */
- /* pic_init and pic_free function to allow you to manually allocate */
- /* and initialize any additional global data, like module specific */
- /* interface, and put them in the global pic container defined in */
- /* ftpic.h. if you don't need them just implement the functions as */
- /* empty to resolve the link error. */
- /* */
- /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
- /* allocated in the global scope (or the scope where the macro */
- /* is used). */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DECLARE_RENDERER(class_) \
- FT_EXPORT_VAR( const FT_Renderer_Class ) class_;
-
-#define FT_DEFINE_RENDERER(class_, \
- flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_, \
- glyph_format_, render_glyph_, transform_glyph_, \
- get_glyph_cbox_, set_mode_, raster_class_ ) \
- FT_CALLBACK_TABLE_DEF \
- const FT_Renderer_Class class_ = \
- { \
- FT_DEFINE_ROOT_MODULE(flags_,size_,name_,version_,requires_, \
- interface_,init_,done_,get_interface_) \
- glyph_format_, \
- \
- render_glyph_, \
- transform_glyph_, \
- get_glyph_cbox_, \
- set_mode_, \
- \
- raster_class_ \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DECLARE_RENDERER(class_) FT_DECLARE_MODULE(class_)
-
-#define FT_DEFINE_RENDERER(class_, \
- flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_, \
- glyph_format_, render_glyph_, transform_glyph_, \
- get_glyph_cbox_, set_mode_, raster_class_ ) \
- void class_##_pic_free( FT_Library library ); \
- FT_Error class_##_pic_init( FT_Library library ); \
- \
- void \
- FT_Destroy_Class_##class_( FT_Library library, \
- FT_Module_Class* clazz ) \
- { \
- FT_Renderer_Class* rclazz = (FT_Renderer_Class*)clazz; \
- FT_Memory memory = library->memory; \
- class_##_pic_free( library ); \
- if ( rclazz ) \
- FT_FREE( rclazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_##class_( FT_Library library, \
- FT_Module_Class** output_class ) \
- { \
- FT_Renderer_Class* clazz; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- if ( FT_ALLOC( clazz, sizeof(*clazz) ) ) \
- return error; \
- \
- error = class_##_pic_init( library ); \
- if(error) \
- { \
- FT_FREE( clazz ); \
- return error; \
- } \
- \
- FT_DEFINE_ROOT_MODULE(flags_,size_,name_,version_,requires_, \
- interface_,init_,done_,get_interface_) \
- \
- clazz->glyph_format = glyph_format_; \
- \
- clazz->render_glyph = render_glyph_; \
- clazz->transform_glyph = transform_glyph_; \
- clazz->get_glyph_cbox = get_glyph_cbox_; \
- clazz->set_mode = set_mode_; \
- \
- clazz->raster_class = raster_class_; \
- \
- *output_class = (FT_Module_Class*)clazz; \
- return FT_Err_Ok; \
- }
-
-
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** PIC-Support Macros for ftmodapi.h ****/
- /**** ****/
- /**** ****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
-#ifdef FT_CONFIG_OPTION_PIC
-
- /*************************************************************************/
- /* */
- /* <FuncType> */
- /* FT_Module_Creator */
- /* */
- /* <Description> */
- /* A function used to create (allocate) a new module class object. */
- /* The object's members are initialized, but the module itself is */
- /* not. */
- /* */
- /* <Input> */
- /* memory :: A handle to the memory manager. */
- /* output_class :: Initialized with the newly allocated class. */
- /* */
- typedef FT_Error
- (*FT_Module_Creator)( FT_Memory memory,
- FT_Module_Class** output_class );
-
- /*************************************************************************/
- /* */
- /* <FuncType> */
- /* FT_Module_Destroyer */
- /* */
- /* <Description> */
- /* A function used to destroy (deallocate) a module class object. */
- /* */
- /* <Input> */
- /* memory :: A handle to the memory manager. */
- /* clazz :: Module class to destroy. */
- /* */
- typedef void
- (*FT_Module_Destroyer)( FT_Memory memory,
- FT_Module_Class* clazz );
-
-#endif
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DECLARE_MODULE */
- /* */
- /* <Description> */
- /* Used to create a forward declaration of a */
- /* FT_Module_Class stract instance. */
- /* */
- /* <Macro> */
- /* FT_DEFINE_MODULE */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Module_Class struct. */
- /* */
- /* When FT_CONFIG_OPTION_PIC is defined a Create funtion will need */
- /* to called with a pointer where the allocated stracture is returned.*/
- /* And when it is no longer needed a Destroy function needs */
- /* to be called to release that allocation. */
- /* fcinit.c (ft_create_default_module_classes) already contains */
- /* a mechanism to call these functions for the default modules */
- /* described in ftmodule.h */
- /* */
- /* Notice that the created Create and Destroy functions call */
- /* pic_init and pic_free function to allow you to manually allocate */
- /* and initialize any additional global data, like module specific */
- /* interface, and put them in the global pic container defined in */
- /* ftpic.h. if you don't need them just implement the functions as */
- /* empty to resolve the link error. */
- /* */
- /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
- /* allocated in the global scope (or the scope where the macro */
- /* is used). */
- /* */
- /* <Macro> */
- /* FT_DEFINE_ROOT_MODULE */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Module_Class struct inside */
- /* another stract that contains it or in a function that initializes */
- /* that containing stract */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DECLARE_MODULE(class_) \
- FT_CALLBACK_TABLE \
- const FT_Module_Class class_; \
-
-#define FT_DEFINE_ROOT_MODULE(flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_) \
- { \
- flags_, \
- size_, \
- \
- name_, \
- version_, \
- requires_, \
- \
- interface_, \
- \
- init_, \
- done_, \
- get_interface_, \
- },
-
-#define FT_DEFINE_MODULE(class_, flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_) \
- FT_CALLBACK_TABLE_DEF \
- const FT_Module_Class class_ = \
- { \
- flags_, \
- size_, \
- \
- name_, \
- version_, \
- requires_, \
- \
- interface_, \
- \
- init_, \
- done_, \
- get_interface_, \
- };
-
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DECLARE_MODULE(class_) \
- FT_Error FT_Create_Class_##class_( FT_Library library, \
- FT_Module_Class** output_class ); \
- void FT_Destroy_Class_##class_( FT_Library library, \
- FT_Module_Class* clazz );
-
-#define FT_DEFINE_ROOT_MODULE(flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_) \
- clazz->root.module_flags = flags_; \
- clazz->root.module_size = size_; \
- clazz->root.module_name = name_; \
- clazz->root.module_version = version_; \
- clazz->root.module_requires = requires_; \
- \
- clazz->root.module_interface = interface_; \
- \
- clazz->root.module_init = init_; \
- clazz->root.module_done = done_; \
- clazz->root.get_interface = get_interface_;
-
-#define FT_DEFINE_MODULE(class_, flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_) \
- void class_##_pic_free( FT_Library library ); \
- FT_Error class_##_pic_init( FT_Library library ); \
- \
- void \
- FT_Destroy_Class_##class_( FT_Library library, \
- FT_Module_Class* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- class_##_pic_free( library ); \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_##class_( FT_Library library, \
- FT_Module_Class** output_class ) \
- { \
- FT_Memory memory = library->memory; \
- FT_Module_Class* clazz; \
- FT_Error error; \
- \
- if ( FT_ALLOC( clazz, sizeof(*clazz) ) ) \
- return error; \
- error = class_##_pic_init( library ); \
- if(error) \
- { \
- FT_FREE( clazz ); \
- return error; \
- } \
- \
- clazz->module_flags = flags_; \
- clazz->module_size = size_; \
- clazz->module_name = name_; \
- clazz->module_version = version_; \
- clazz->module_requires = requires_; \
- \
- clazz->module_interface = interface_; \
- \
- clazz->module_init = init_; \
- clazz->module_done = done_; \
- clazz->get_interface = get_interface_; \
- \
- *output_class = clazz; \
- return FT_Err_Ok; \
- }
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
-
-FT_END_HEADER
-
-#endif /* __FTOBJS_H__ */
-
-
-/* END */