--- a/misc/libfreetype/include/freetype/internal/ftdriver.h Thu Jul 25 23:16:06 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,422 +0,0 @@
-/***************************************************************************/
-/* */
-/* ftdriver.h */
-/* */
-/* FreeType font driver interface (specification). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2006, 2008 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 __FTDRIVER_H__
-#define __FTDRIVER_H__
-
-
-#include <ft2build.h>
-#include FT_MODULE_H
-
-
-FT_BEGIN_HEADER
-
-
- typedef FT_Error
- (*FT_Face_InitFunc)( FT_Stream stream,
- FT_Face face,
- FT_Int typeface_index,
- FT_Int num_params,
- FT_Parameter* parameters );
-
- typedef void
- (*FT_Face_DoneFunc)( FT_Face face );
-
-
- typedef FT_Error
- (*FT_Size_InitFunc)( FT_Size size );
-
- typedef void
- (*FT_Size_DoneFunc)( FT_Size size );
-
-
- typedef FT_Error
- (*FT_Slot_InitFunc)( FT_GlyphSlot slot );
-
- typedef void
- (*FT_Slot_DoneFunc)( FT_GlyphSlot slot );
-
-
- typedef FT_Error
- (*FT_Size_RequestFunc)( FT_Size size,
- FT_Size_Request req );
-
- typedef FT_Error
- (*FT_Size_SelectFunc)( FT_Size size,
- FT_ULong size_index );
-
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- typedef FT_Error
- (*FT_Size_ResetPointsFunc)( FT_Size size,
- FT_F26Dot6 char_width,
- FT_F26Dot6 char_height,
- FT_UInt horz_resolution,
- FT_UInt vert_resolution );
-
- typedef FT_Error
- (*FT_Size_ResetPixelsFunc)( FT_Size size,
- FT_UInt pixel_width,
- FT_UInt pixel_height );
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
- typedef FT_Error
- (*FT_Slot_LoadFunc)( FT_GlyphSlot slot,
- FT_Size size,
- FT_UInt glyph_index,
- FT_Int32 load_flags );
-
-
- typedef FT_UInt
- (*FT_CharMap_CharIndexFunc)( FT_CharMap charmap,
- FT_Long charcode );
-
- typedef FT_Long
- (*FT_CharMap_CharNextFunc)( FT_CharMap charmap,
- FT_Long charcode );
-
-
- typedef FT_Error
- (*FT_Face_GetKerningFunc)( FT_Face face,
- FT_UInt left_glyph,
- FT_UInt right_glyph,
- FT_Vector* kerning );
-
-
- typedef FT_Error
- (*FT_Face_AttachFunc)( FT_Face face,
- FT_Stream stream );
-
-
- typedef FT_Error
- (*FT_Face_GetAdvancesFunc)( FT_Face face,
- FT_UInt first,
- FT_UInt count,
- FT_Int32 flags,
- FT_Fixed* advances );
-
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* FT_Driver_ClassRec */
- /* */
- /* <Description> */
- /* The font driver class. This structure mostly contains pointers to */
- /* driver methods. */
- /* */
- /* <Fields> */
- /* root :: The parent module. */
- /* */
- /* face_object_size :: The size of a face object in bytes. */
- /* */
- /* size_object_size :: The size of a size object in bytes. */
- /* */
- /* slot_object_size :: The size of a glyph object in bytes. */
- /* */
- /* init_face :: The format-specific face constructor. */
- /* */
- /* done_face :: The format-specific face destructor. */
- /* */
- /* init_size :: The format-specific size constructor. */
- /* */
- /* done_size :: The format-specific size destructor. */
- /* */
- /* init_slot :: The format-specific slot constructor. */
- /* */
- /* done_slot :: The format-specific slot destructor. */
- /* */
- /* */
- /* load_glyph :: A function handle to load a glyph to a slot. */
- /* This field is mandatory! */
- /* */
- /* get_kerning :: A function handle to return the unscaled */
- /* kerning for a given pair of glyphs. Can be */
- /* set to 0 if the format doesn't support */
- /* kerning. */
- /* */
- /* attach_file :: This function handle is used to read */
- /* additional data for a face from another */
- /* file/stream. For example, this can be used to */
- /* add data from AFM or PFM files on a Type 1 */
- /* face, or a CIDMap on a CID-keyed face. */
- /* */
- /* get_advances :: A function handle used to return advance */
- /* widths of `count' glyphs (in font units), */
- /* starting at `first'. The `vertical' flag must */
- /* be set to get vertical advance heights. The */
- /* `advances' buffer is caller-allocated. */
- /* Currently not implemented. The idea of this */
- /* function is to be able to perform */
- /* device-independent text layout without loading */
- /* a single glyph image. */
- /* */
- /* request_size :: A handle to a function used to request the new */
- /* character size. Can be set to 0 if the */
- /* scaling done in the base layer suffices. */
- /* */
- /* select_size :: A handle to a function used to select a new */
- /* fixed size. It is used only if */
- /* @FT_FACE_FLAG_FIXED_SIZES is set. Can be set */
- /* to 0 if the scaling done in the base layer */
- /* suffices. */
- /* <Note> */
- /* Most function pointers, with the exception of `load_glyph', can be */
- /* set to 0 to indicate a default behaviour. */
- /* */
- typedef struct FT_Driver_ClassRec_
- {
- FT_Module_Class root;
-
- FT_Long face_object_size;
- FT_Long size_object_size;
- FT_Long slot_object_size;
-
- FT_Face_InitFunc init_face;
- FT_Face_DoneFunc done_face;
-
- FT_Size_InitFunc init_size;
- FT_Size_DoneFunc done_size;
-
- FT_Slot_InitFunc init_slot;
- FT_Slot_DoneFunc done_slot;
-
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- FT_Size_ResetPointsFunc set_char_sizes;
- FT_Size_ResetPixelsFunc set_pixel_sizes;
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
- FT_Slot_LoadFunc load_glyph;
-
- FT_Face_GetKerningFunc get_kerning;
- FT_Face_AttachFunc attach_file;
- FT_Face_GetAdvancesFunc get_advances;
-
- /* since version 2.2 */
- FT_Size_RequestFunc request_size;
- FT_Size_SelectFunc select_size;
-
- } FT_Driver_ClassRec, *FT_Driver_Class;
-
-
- /*
- * The following functions are used as stubs for `set_char_sizes' and
- * `set_pixel_sizes'; the code uses `request_size' and `select_size'
- * functions instead.
- *
- * Implementation is in `src/base/ftobjs.c'.
- */
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- FT_BASE( FT_Error )
- ft_stub_set_char_sizes( FT_Size size,
- FT_F26Dot6 width,
- FT_F26Dot6 height,
- FT_UInt horz_res,
- FT_UInt vert_res );
-
- FT_BASE( FT_Error )
- ft_stub_set_pixel_sizes( FT_Size size,
- FT_UInt width,
- FT_UInt height );
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DECLARE_DRIVER */
- /* */
- /* <Description> */
- /* Used to create a forward declaration of a */
- /* FT_Driver_ClassRec stract instance. */
- /* */
- /* <Macro> */
- /* FT_DEFINE_DRIVER */
- /* */
- /* <Description> */
- /* Used to initialize an instance of FT_Driver_ClassRec 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
-
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-#define FT_DEFINE_DRIVERS_OLD_INTERNALS(a_,b_) \
- a_, b_,
-#else
- #define FT_DEFINE_DRIVERS_OLD_INTERNALS(a_,b_)
-#endif
-
-#define FT_DECLARE_DRIVER(class_) \
- FT_CALLBACK_TABLE \
- const FT_Driver_ClassRec class_;
-
-#define FT_DEFINE_DRIVER(class_, \
- flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_, \
- face_object_size_, size_object_size_, \
- slot_object_size_, init_face_, done_face_, \
- init_size_, done_size_, init_slot_, done_slot_, \
- old_set_char_sizes_, old_set_pixel_sizes_, \
- load_glyph_, get_kerning_, attach_file_, \
- get_advances_, request_size_, select_size_ ) \
- FT_CALLBACK_TABLE_DEF \
- const FT_Driver_ClassRec class_ = \
- { \
- FT_DEFINE_ROOT_MODULE(flags_,size_,name_,version_,requires_,interface_, \
- init_,done_,get_interface_) \
- \
- face_object_size_, \
- size_object_size_, \
- slot_object_size_, \
- \
- init_face_, \
- done_face_, \
- \
- init_size_, \
- done_size_, \
- \
- init_slot_, \
- done_slot_, \
- \
- FT_DEFINE_DRIVERS_OLD_INTERNALS(old_set_char_sizes_, old_set_pixel_sizes_) \
- \
- load_glyph_, \
- \
- get_kerning_, \
- attach_file_, \
- get_advances_, \
- \
- request_size_, \
- select_size_ \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-#define FT_DEFINE_DRIVERS_OLD_INTERNALS(a_,b_) \
- clazz->set_char_sizes = a_; \
- clazz->set_pixel_sizes = b_;
-#else
- #define FT_DEFINE_DRIVERS_OLD_INTERNALS(a_,b_)
-#endif
-
-#define FT_DECLARE_DRIVER(class_) FT_DECLARE_MODULE(class_)
-
-#define FT_DEFINE_DRIVER(class_, \
- flags_, size_, name_, version_, requires_, \
- interface_, init_, done_, get_interface_, \
- face_object_size_, size_object_size_, \
- slot_object_size_, init_face_, done_face_, \
- init_size_, done_size_, init_slot_, done_slot_, \
- old_set_char_sizes_, old_set_pixel_sizes_, \
- load_glyph_, get_kerning_, attach_file_, \
- get_advances_, request_size_, select_size_ ) \
- 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; \
- FT_Driver_Class dclazz = (FT_Driver_Class)clazz; \
- class_##_pic_free( library ); \
- if ( dclazz ) \
- FT_FREE( dclazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_##class_( FT_Library library, \
- FT_Module_Class** output_class ) \
- { \
- FT_Driver_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->face_object_size = face_object_size_; \
- clazz->size_object_size = size_object_size_; \
- clazz->slot_object_size = slot_object_size_; \
- \
- clazz->init_face = init_face_; \
- clazz->done_face = done_face_; \
- \
- clazz->init_size = init_size_; \
- clazz->done_size = done_size_; \
- \
- clazz->init_slot = init_slot_; \
- clazz->done_slot = done_slot_; \
- \
- FT_DEFINE_DRIVERS_OLD_INTERNALS(old_set_char_sizes_, old_set_pixel_sizes_) \
- \
- clazz->load_glyph = load_glyph_; \
- \
- clazz->get_kerning = get_kerning_; \
- clazz->attach_file = attach_file_; \
- clazz->get_advances = get_advances_; \
- \
- clazz->request_size = request_size_; \
- clazz->select_size = select_size_; \
- \
- *output_class = (FT_Module_Class*)clazz; \
- return FT_Err_Ok; \
- }
-
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
-FT_END_HEADER
-
-#endif /* __FTDRIVER_H__ */
-
-
-/* END */