1572 lines
78 KiB
C
Vendored
1572 lines
78 KiB
C
Vendored
/***************************************************************************/
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/* */
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/* ftobjs.h */
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/* */
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/* The FreeType private base classes (specification). */
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/* */
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/* Copyright 1996-2006, 2008, 2010, 2012-2013 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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/*************************************************************************/
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/* */
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/* This file contains the definition of all internal FreeType classes. */
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/* */
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/*************************************************************************/
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#ifndef __FTOBJS_H__
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#define __FTOBJS_H__
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#include <ft2build.h>
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#include FT_RENDER_H
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#include FT_SIZES_H
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#include FT_LCD_FILTER_H
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#include FT_INTERNAL_MEMORY_H
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#include FT_INTERNAL_GLYPH_LOADER_H
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#include FT_INTERNAL_DRIVER_H
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#include FT_INTERNAL_AUTOHINT_H
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#include FT_INTERNAL_SERVICE_H
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#include FT_INTERNAL_PIC_H
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#ifdef FT_CONFIG_OPTION_INCREMENTAL
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#include FT_INCREMENTAL_H
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#endif
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* Some generic definitions. */
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/* */
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef NULL
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#define NULL (void*)0
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#endif
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/*************************************************************************/
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/* */
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/* The min and max functions missing in C. As usual, be careful not to */
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/* write things like FT_MIN( a++, b++ ) to avoid side effects. */
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/* */
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#define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) )
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#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
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#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
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/*
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* Approximate sqrt(x*x+y*y) using the `alpha max plus beta min'
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* algorithm. We use alpha = 1, beta = 3/8, giving us results with a
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* largest error less than 7% compared to the exact value.
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*/
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#define FT_HYPOT( x, y ) \
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( x = FT_ABS( x ), \
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y = FT_ABS( y ), \
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x > y ? x + ( 3 * y >> 3 ) \
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: y + ( 3 * x >> 3 ) )
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#define FT_PAD_FLOOR( x, n ) ( (x) & ~((n)-1) )
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#define FT_PAD_ROUND( x, n ) FT_PAD_FLOOR( (x) + ((n)/2), n )
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#define FT_PAD_CEIL( x, n ) FT_PAD_FLOOR( (x) + ((n)-1), n )
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#define FT_PIX_FLOOR( x ) ( (x) & ~63 )
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#define FT_PIX_ROUND( x ) FT_PIX_FLOOR( (x) + 32 )
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#define FT_PIX_CEIL( x ) FT_PIX_FLOOR( (x) + 63 )
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/*
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* character classification functions -- since these are used to parse
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* font files, we must not use those in <ctypes.h> which are
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* locale-dependent
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*/
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#define ft_isdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U )
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#define ft_isxdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U || \
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( (unsigned)(x) - 'a' ) < 6U || \
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( (unsigned)(x) - 'A' ) < 6U )
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/* the next two macros assume ASCII representation */
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#define ft_isupper( x ) ( ( (unsigned)(x) - 'A' ) < 26U )
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#define ft_islower( x ) ( ( (unsigned)(x) - 'a' ) < 26U )
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#define ft_isalpha( x ) ( ft_isupper( x ) || ft_islower( x ) )
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#define ft_isalnum( x ) ( ft_isdigit( x ) || ft_isalpha( x ) )
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/**** ****/
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/**** ****/
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/**** C H A R M A P S ****/
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/**** ****/
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/**** ****/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/* handle to internal charmap object */
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typedef struct FT_CMapRec_* FT_CMap;
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/* handle to charmap class structure */
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typedef const struct FT_CMap_ClassRec_* FT_CMap_Class;
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/* internal charmap object structure */
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typedef struct FT_CMapRec_
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{
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FT_CharMapRec charmap;
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FT_CMap_Class clazz;
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} FT_CMapRec;
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/* typecase any pointer to a charmap handle */
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#define FT_CMAP( x ) ((FT_CMap)( x ))
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/* obvious macros */
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#define FT_CMAP_PLATFORM_ID( x ) FT_CMAP( x )->charmap.platform_id
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#define FT_CMAP_ENCODING_ID( x ) FT_CMAP( x )->charmap.encoding_id
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#define FT_CMAP_ENCODING( x ) FT_CMAP( x )->charmap.encoding
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#define FT_CMAP_FACE( x ) FT_CMAP( x )->charmap.face
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/* class method definitions */
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typedef FT_Error
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(*FT_CMap_InitFunc)( FT_CMap cmap,
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FT_Pointer init_data );
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typedef void
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(*FT_CMap_DoneFunc)( FT_CMap cmap );
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typedef FT_UInt
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(*FT_CMap_CharIndexFunc)( FT_CMap cmap,
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FT_UInt32 char_code );
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typedef FT_UInt
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(*FT_CMap_CharNextFunc)( FT_CMap cmap,
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FT_UInt32 *achar_code );
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typedef FT_UInt
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(*FT_CMap_CharVarIndexFunc)( FT_CMap cmap,
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FT_CMap unicode_cmap,
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FT_UInt32 char_code,
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FT_UInt32 variant_selector );
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typedef FT_Bool
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(*FT_CMap_CharVarIsDefaultFunc)( FT_CMap cmap,
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FT_UInt32 char_code,
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FT_UInt32 variant_selector );
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typedef FT_UInt32 *
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(*FT_CMap_VariantListFunc)( FT_CMap cmap,
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FT_Memory mem );
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typedef FT_UInt32 *
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(*FT_CMap_CharVariantListFunc)( FT_CMap cmap,
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FT_Memory mem,
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FT_UInt32 char_code );
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typedef FT_UInt32 *
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(*FT_CMap_VariantCharListFunc)( FT_CMap cmap,
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FT_Memory mem,
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FT_UInt32 variant_selector );
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typedef struct FT_CMap_ClassRec_
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{
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FT_ULong size;
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FT_CMap_InitFunc init;
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FT_CMap_DoneFunc done;
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FT_CMap_CharIndexFunc char_index;
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FT_CMap_CharNextFunc char_next;
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/* Subsequent entries are special ones for format 14 -- the variant */
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/* selector subtable which behaves like no other */
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FT_CMap_CharVarIndexFunc char_var_index;
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FT_CMap_CharVarIsDefaultFunc char_var_default;
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FT_CMap_VariantListFunc variant_list;
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FT_CMap_CharVariantListFunc charvariant_list;
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FT_CMap_VariantCharListFunc variantchar_list;
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} FT_CMap_ClassRec;
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#ifndef FT_CONFIG_OPTION_PIC
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#define FT_DECLARE_CMAP_CLASS( class_ ) \
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FT_CALLBACK_TABLE const FT_CMap_ClassRec class_;
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#define FT_DEFINE_CMAP_CLASS( \
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class_, \
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size_, \
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init_, \
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done_, \
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char_index_, \
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char_next_, \
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char_var_index_, \
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char_var_default_, \
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variant_list_, \
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charvariant_list_, \
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variantchar_list_ ) \
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FT_CALLBACK_TABLE_DEF \
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const FT_CMap_ClassRec class_ = \
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{ \
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size_, \
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init_, \
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done_, \
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char_index_, \
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char_next_, \
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char_var_index_, \
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char_var_default_, \
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variant_list_, \
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charvariant_list_, \
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variantchar_list_ \
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};
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#else /* FT_CONFIG_OPTION_PIC */
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#define FT_DECLARE_CMAP_CLASS( class_ ) \
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void \
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FT_Init_Class_ ## class_( FT_Library library, \
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FT_CMap_ClassRec* clazz );
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#define FT_DEFINE_CMAP_CLASS( \
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class_, \
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size_, \
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init_, \
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done_, \
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char_index_, \
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char_next_, \
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char_var_index_, \
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char_var_default_, \
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variant_list_, \
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charvariant_list_, \
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variantchar_list_ ) \
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void \
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FT_Init_Class_ ## class_( FT_Library library, \
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FT_CMap_ClassRec* clazz ) \
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{ \
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FT_UNUSED( library ); \
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\
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clazz->size = size_; \
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clazz->init = init_; \
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clazz->done = done_; \
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clazz->char_index = char_index_; \
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clazz->char_next = char_next_; \
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clazz->char_var_index = char_var_index_; \
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clazz->char_var_default = char_var_default_; \
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clazz->variant_list = variant_list_; \
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clazz->charvariant_list = charvariant_list_; \
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clazz->variantchar_list = variantchar_list_; \
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}
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#endif /* FT_CONFIG_OPTION_PIC */
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/* create a new charmap and add it to charmap->face */
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FT_BASE( FT_Error )
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FT_CMap_New( FT_CMap_Class clazz,
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FT_Pointer init_data,
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FT_CharMap charmap,
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FT_CMap *acmap );
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/* destroy a charmap and remove it from face's list */
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FT_BASE( void )
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FT_CMap_Done( FT_CMap cmap );
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* FT_Face_InternalRec */
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/* */
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/* <Description> */
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/* This structure contains the internal fields of each FT_Face */
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/* object. These fields may change between different releases of */
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/* FreeType. */
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/* */
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/* <Fields> */
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/* max_points :: */
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/* The maximum number of points used to store the vectorial outline */
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/* of any glyph in this face. If this value cannot be known in */
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/* advance, or if the face isn't scalable, this should be set to 0. */
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/* Only relevant for scalable formats. */
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/* */
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/* max_contours :: */
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/* The maximum number of contours used to store the vectorial */
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/* outline of any glyph in this face. If this value cannot be */
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/* known in advance, or if the face isn't scalable, this should be */
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/* set to 0. Only relevant for scalable formats. */
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/* */
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/* transform_matrix :: */
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/* A 2x2 matrix of 16.16 coefficients used to transform glyph */
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/* outlines after they are loaded from the font. Only used by the */
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/* convenience functions. */
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/* */
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/* transform_delta :: */
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/* A translation vector used to transform glyph outlines after they */
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/* are loaded from the font. Only used by the convenience */
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/* functions. */
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/* */
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/* transform_flags :: */
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/* Some flags used to classify the transform. Only used by the */
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/* convenience functions. */
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/* */
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/* services :: */
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/* A cache for frequently used services. It should be only */
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/* accessed with the macro `FT_FACE_LOOKUP_SERVICE'. */
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/* */
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/* incremental_interface :: */
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/* If non-null, the interface through which glyph data and metrics */
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/* are loaded incrementally for faces that do not provide all of */
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/* this data when first opened. This field exists only if */
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/* @FT_CONFIG_OPTION_INCREMENTAL is defined. */
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/* */
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/* ignore_unpatented_hinter :: */
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/* This boolean flag instructs the glyph loader to ignore the */
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/* native font hinter, if one is found. This is exclusively used */
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/* in the case when the unpatented hinter is compiled within the */
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/* library. */
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/* */
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/* refcount :: */
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/* A counter initialized to~1 at the time an @FT_Face structure is */
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/* created. @FT_Reference_Face increments this counter, and */
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/* @FT_Done_Face only destroys a face if the counter is~1, */
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/* otherwise it simply decrements it. */
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/* */
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typedef struct FT_Face_InternalRec_
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{
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FT_Matrix transform_matrix;
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FT_Vector transform_delta;
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FT_Int transform_flags;
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FT_ServiceCacheRec services;
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#ifdef FT_CONFIG_OPTION_INCREMENTAL
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FT_Incremental_InterfaceRec* incremental_interface;
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#endif
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FT_Bool ignore_unpatented_hinter;
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FT_Int refcount;
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} FT_Face_InternalRec;
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* FT_Slot_InternalRec */
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/* */
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/* <Description> */
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/* This structure contains the internal fields of each FT_GlyphSlot */
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/* object. These fields may change between different releases of */
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/* FreeType. */
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/* */
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/* <Fields> */
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/* loader :: The glyph loader object used to load outlines */
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/* into the glyph slot. */
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/* */
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/* flags :: Possible values are zero or */
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/* FT_GLYPH_OWN_BITMAP. The latter indicates */
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/* that the FT_GlyphSlot structure owns the */
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/* bitmap buffer. */
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/* */
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/* glyph_transformed :: Boolean. Set to TRUE when the loaded glyph */
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/* must be transformed through a specific */
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/* font transformation. This is _not_ the same */
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/* as the face transform set through */
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/* FT_Set_Transform(). */
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/* */
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/* glyph_matrix :: The 2x2 matrix corresponding to the glyph */
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/* transformation, if necessary. */
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/* */
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/* glyph_delta :: The 2d translation vector corresponding to */
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/* the glyph transformation, if necessary. */
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/* */
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/* glyph_hints :: Format-specific glyph hints management. */
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/* */
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#define FT_GLYPH_OWN_BITMAP 0x1
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typedef struct FT_Slot_InternalRec_
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{
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FT_GlyphLoader loader;
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FT_UInt flags;
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FT_Bool glyph_transformed;
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FT_Matrix glyph_matrix;
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FT_Vector glyph_delta;
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void* glyph_hints;
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} FT_GlyphSlot_InternalRec;
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#if 0
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* FT_Size_InternalRec */
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/* */
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/* <Description> */
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/* This structure contains the internal fields of each FT_Size */
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/* object. Currently, it's empty. */
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/* */
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/*************************************************************************/
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typedef struct FT_Size_InternalRec_
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{
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/* empty */
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} FT_Size_InternalRec;
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#endif
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/**** ****/
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/**** ****/
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/**** M O D U L E S ****/
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/**** ****/
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/**** ****/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* FT_ModuleRec */
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/* */
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/* <Description> */
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/* A module object instance. */
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/* */
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/* <Fields> */
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/* clazz :: A pointer to the module's class. */
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/* */
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/* library :: A handle to the parent library object. */
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/* */
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/* memory :: A handle to the memory manager. */
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/* */
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typedef struct FT_ModuleRec_
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{
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FT_Module_Class* clazz;
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FT_Library library;
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FT_Memory memory;
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} FT_ModuleRec;
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/* typecast an object to an FT_Module */
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#define FT_MODULE( x ) ((FT_Module)( x ))
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#define FT_MODULE_CLASS( x ) FT_MODULE( x )->clazz
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#define FT_MODULE_LIBRARY( x ) FT_MODULE( x )->library
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#define FT_MODULE_MEMORY( x ) FT_MODULE( x )->memory
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#define FT_MODULE_IS_DRIVER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_FONT_DRIVER )
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#define FT_MODULE_IS_RENDERER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_RENDERER )
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#define FT_MODULE_IS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_HINTER )
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#define FT_MODULE_IS_STYLER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_STYLER )
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#define FT_DRIVER_IS_SCALABLE( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_DRIVER_SCALABLE )
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#define FT_DRIVER_USES_OUTLINES( x ) !( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_DRIVER_NO_OUTLINES )
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#define FT_DRIVER_HAS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
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FT_MODULE_DRIVER_HAS_HINTER )
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/*************************************************************************/
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/* */
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/* <Function> */
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/* FT_Get_Module_Interface */
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/* */
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/* <Description> */
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/* Finds a module and returns its specific interface as a typeless */
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/* pointer. */
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/* */
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|
/* <Input> */
|
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/* library :: A handle to the library object. */
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/* */
|
|
/* module_name :: The module's name (as an ASCII string). */
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/* */
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/* <Return> */
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/* A module-specific interface if available, 0 otherwise. */
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/* */
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/* <Note> */
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/* You should better be familiar with FreeType internals to know */
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|
/* which module to look for, and what its interface is :-) */
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|
/* */
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FT_BASE( const void* )
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FT_Get_Module_Interface( FT_Library library,
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const char* mod_name );
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|
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FT_BASE( FT_Pointer )
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ft_module_get_service( FT_Module module,
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const char* service_id );
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/* */
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|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/**** ****/
|
|
/**** ****/
|
|
/**** F A C E, S I Z E & G L Y P H S L O T O B J E C T S ****/
|
|
/**** ****/
|
|
/**** ****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
/* 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. */
|
|
/* */
|
|
/* 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;
|
|
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. */
|
|
/* */
|
|
/* 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_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_Int 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
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/**** ****/
|
|
/**** ****/
|
|
/**** P I C S U P P O R T ****/
|
|
/**** ****/
|
|
/**** ****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
|
|
/* 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 */
|
|
/* be called with a pre-allocated structure 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 */
|
|
/* be called with a pre-allocated structure 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 */
|
|
/* be called with a pre-allocated stcture 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 struct 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 be called with a pointer where the allocated structure 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' to allow you to manually allocate and */
|
|
/* initialize any additional global data, like a 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. Also the `pic_init' and */
|
|
/* `pic_free' functions should be declared in `pic.h', to be referred */
|
|
/* by the renderer definition calling `FT_DEFINE_RENDERER' in the */
|
|
/* following. */
|
|
/* */
|
|
/* 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 \
|
|
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 = NULL; \
|
|
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 struct instance. */
|
|
/* */
|
|
/* <Macro> */
|
|
/* FT_DEFINE_MODULE */
|
|
/* */
|
|
/* <Description> */
|
|
/* Used to initialize an instance of an FT_Module_Class struct. */
|
|
/* */
|
|
/* When FT_CONFIG_OPTION_PIC is defined a `create' funtion needs to */
|
|
/* be called with a pointer where the allocated structure 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' to allow you to manually allocate and */
|
|
/* initialize any additional global data, like a 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. Also the `pic_init' and */
|
|
/* `pic_free' functions should be declared in `pic.h', to be referred */
|
|
/* by the module definition calling `FT_DEFINE_MODULE' in the */
|
|
/* following. */
|
|
/* */
|
|
/* 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 an FT_Module_Class struct inside */
|
|
/* another struct that contains it or in a function that initializes */
|
|
/* that containing struct. */
|
|
/* */
|
|
#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 \
|
|
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 = NULL; \
|
|
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 */
|