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Diffstat (limited to 'include/freetype/cache/ftcglyph.h')
| -rw-r--r-- | include/freetype/cache/ftcglyph.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/include/freetype/cache/ftcglyph.h b/include/freetype/cache/ftcglyph.h deleted file mode 100644 index 3d14cf02..00000000 --- a/include/freetype/cache/ftcglyph.h +++ /dev/null @@ -1,193 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftcglyph.h */ -/* */ -/* FreeType abstract glyph cache (specification). */ -/* */ -/* Copyright 2000-2001 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. */ -/* */ -/***************************************************************************/ - - - /*************************************************************************/ - /* */ - /* Important: The functions defined in this file are only used to */ - /* implement an abstract glyph cache class. You need to */ - /* provide additional logic to implement a complete cache. */ - /* For example, see `ftcimage.h' and `ftcimage.c' which */ - /* implement a FT_Glyph cache based on this code. */ - /* */ - /*************************************************************************/ - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /********* *********/ - /********* WARNING, THIS IS BETA CODE. *********/ - /********* *********/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - -#ifndef __FTCGLYPH_H__ -#define __FTCGLYPH_H__ - - -#include <ft2build.h> -#include FT_CACHE_H -#include FT_CACHE_MANAGER_H - -#include <stddef.h> - - -FT_BEGIN_HEADER - - - /* each glyph set is characterized by a "glyph set type" which must be */ - /* defined by sub-classes */ - typedef struct FTC_GlyphFamilyRec_* FTC_GlyphFamily; - - /* handle to a glyph cache node */ - typedef struct FTC_GlyphNodeRec_* FTC_GlyphNode; - - - /* size should be 24 + chunk size on 32-bit machines; */ - /* note that the node's hash is ((gfam->hash << 16) | glyph_index) -- */ - /* this _must_ be set properly by the glyph node initializer */ - /* */ - typedef struct FTC_GlyphNodeRec_ - { - FTC_NodeRec node; - FT_UShort item_count; - FT_UShort item_start; - - } FTC_GlyphNodeRec; - - -#define FTC_GLYPH_NODE( x ) ( (FTC_GlyphNode)(x) ) -#define FTC_GLYPH_NODE_P( x ) ( (FTC_GlyphNode*)(x) ) - - - typedef struct FTC_GlyphQueryRec_ - { - FTC_QueryRec query; - FT_UInt gindex; - - } FTC_GlyphQueryRec, *FTC_GlyphQuery; - - -#define FTC_GLYPH_QUERY( x ) ( (FTC_GlyphQuery)(x) ) - - - /* a glyph set is used to categorize glyphs of a given type */ - typedef struct FTC_GlyphFamilyRec_ - { - FTC_FamilyRec family; - FT_UInt32 hash; - FT_UInt item_total; /* total number of glyphs in family */ - FT_UInt item_count; /* number of glyph items per node */ - - } FTC_GlyphFamilyRec; - - -#define FTC_GLYPH_FAMILY( x ) ( (FTC_GlyphFamily)(x) ) -#define FTC_GLYPH_FAMILY_P( x ) ( (FTC_GlyphFamily*)(x) ) - -#define FTC_GLYPH_FAMILY_MEMORY( x ) FTC_FAMILY(x)->cache->memory - - - /* each glyph node contains a 'chunk' of glyph items; */ - /* translate a glyph index into a chunk index */ -#define FTC_GLYPH_FAMILY_CHUNK( gfam, gindex ) \ - ( ( gindex ) / FTC_GLYPH_FAMILY( gfam )->item_count ) - - /* find a glyph index's chunk, and return its start index */ -#define FTC_GLYPH_FAMILY_START( gfam, gindex ) \ - ( FTC_GLYPH_FAMILY_CHUNK( gfam, gindex ) * \ - FTC_GLYPH_FAMILY( gfam )->item_count ) - - /* compute a glyph request's hash value */ -#define FTC_GLYPH_FAMILY_HASH( gfam, gindex ) \ - ( (FT_UFast)( \ - ( FTC_GLYPH_FAMILY( gfam )->hash << 16 ) | \ - ( FTC_GLYPH_FAMILY_CHUNK( gfam, gindex ) & 0xFFFF ) ) ) - - /* must be called in an FTC_Family_CompareFunc to update the query */ - /* whenever a glyph set is matched in the lookup, or when it */ - /* is created */ -#define FTC_GLYPH_FAMILY_FOUND( gfam, gquery ) \ - do \ - { \ - FTC_QUERY( gquery )->family = FTC_FAMILY( gfam ); \ - FTC_QUERY( gquery )->hash = \ - FTC_GLYPH_FAMILY_HASH( gfam, \ - FTC_GLYPH_QUERY( gquery )->gindex ); \ - } while ( 0 ) - - /* retrieve glyph index of glyph node */ -#define FTC_GLYPH_NODE_GINDEX( x ) \ - ( (FT_UInt)( FTC_GLYPH_NODE( x )->node.hash & 0xFFFF ) ) - - - /*************************************************************************/ - /* */ - /* These functions are exported so that they can be called from */ - /* user-provided cache classes; otherwise, they are really part of the */ - /* cache sub-system internals. */ - /* */ - - /* must be called by derived FTC_Node_InitFunc routines */ - FT_EXPORT( void ) - ftc_glyph_node_init( FTC_GlyphNode node, - FT_UInt gindex, /* glyph index for node */ - FTC_GlyphFamily gfam ); - - /* returns TRUE iff the query's glyph index correspond to the node; */ - /* this assumes that the "family" and "hash" fields of the query are */ - /* already correctly set */ - FT_EXPORT( FT_Bool ) - ftc_glyph_node_compare( FTC_GlyphNode gnode, - FTC_GlyphQuery gquery ); - - /* must be called by derived FTC_Node_DoneFunc routines */ - FT_EXPORT( void ) - ftc_glyph_node_done( FTC_GlyphNode node, - FTC_Cache cache ); - - - /* must be called by derived FTC_Family_InitFunc; */ - /* calls "ftc_family_init" */ - FT_EXPORT( FT_Error ) - ftc_glyph_family_init( FTC_GlyphFamily gfam, - FT_UInt32 hash, - FT_UInt item_count, - FT_UInt item_total, - FTC_GlyphQuery gquery, - FTC_Cache cache ); - - FT_EXPORT( void ) - ftc_glyph_family_done( FTC_GlyphFamily gfam ); - - - /* */ - -FT_END_HEADER - - -#endif /* __FTCGLYPH_H__ */ - - -/* END */ |