ReactOS 0.4.15-dev-8119-g4fb2fdb
ftcimage.h
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1/***************************************************************************/
2/* */
3/* ftcimage.h */
4/* */
5/* FreeType Generic Image cache (specification) */
6/* */
7/* Copyright 2000-2018 by */
8/* David Turner, Robert Wilhelm, and Werner Lemberg. */
9/* */
10/* This file is part of the FreeType project, and may only be used, */
11/* modified, and distributed under the terms of the FreeType project */
12/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13/* this file you indicate that you have read the license and */
14/* understand and accept it fully. */
15/* */
16/***************************************************************************/
17
18
19 /*
20 * FTC_ICache is an _abstract_ cache used to store a single FT_Glyph
21 * image per cache node.
22 *
23 * FTC_ICache extends FTC_GCache. For an implementation example,
24 * see FTC_ImageCache in `src/cache/ftbasic.c'.
25 */
26
27
28 /*************************************************************************/
29 /* */
30 /* Each image cache really manages FT_Glyph objects. */
31 /* */
32 /*************************************************************************/
33
34
35#ifndef FTCIMAGE_H_
36#define FTCIMAGE_H_
37
38
39#include <ft2build.h>
40#include FT_CACHE_H
41#include "ftcglyph.h"
42
44
45
46 /* the FT_Glyph image node type - we store only 1 glyph per node */
47 typedef struct FTC_INodeRec_
48 {
51
53
54#define FTC_INODE( x ) ( (FTC_INode)( x ) )
55#define FTC_INODE_GINDEX( x ) FTC_GNODE(x)->gindex
56#define FTC_INODE_FAMILY( x ) FTC_GNODE(x)->family
57
58 typedef FT_Error
60 FT_UInt gindex,
62 FT_Glyph *aglyph );
63
64 typedef struct FTC_IFamilyClassRec_
65 {
68
70
72
73#define FTC_IFAMILY_CLASS( x ) ((FTC_IFamilyClass)(x))
74
75#define FTC_CACHE_IFAMILY_CLASS( x ) \
76 FTC_IFAMILY_CLASS( FTC_CACHE_GCACHE_CLASS(x)->family_class )
77
78
79 /* can be used as a @FTC_Node_FreeFunc */
80 FT_LOCAL( void )
83
84 /* Can be used as @FTC_Node_NewFunc. `gquery.index' and `gquery.family'
85 * must be set correctly. This function will call the `family_load_glyph'
86 * method to load the FT_Glyph into the cache node.
87 */
89 FTC_INode_New( FTC_INode *pinode,
90 FTC_GQuery gquery,
92
93#if 0
94 /* can be used as @FTC_Node_WeightFunc */
96 FTC_INode_Weight( FTC_INode inode );
97#endif
98
99
100 /* */
101
103
104#endif /* FTCIMAGE_H_ */
105
106
107/* END */
FT_BEGIN_HEADER struct FTC_FamilyRec_ * FTC_Family
FT_BEGIN_HEADER struct FTC_INodeRec_ FTC_INodeRec
struct FTC_IFamilyClassRec_ FTC_IFamilyClassRec
const FTC_IFamilyClassRec * FTC_IFamilyClass
Definition: ftcimage.h:71
FTC_INode_Free(FTC_INode inode, FTC_Cache cache)
Definition: ftcimage.c:50
FT_Error(* FTC_IFamily_LoadGlyphFunc)(FTC_Family family, FT_UInt gindex, FTC_Cache cache, FT_Glyph *aglyph)
Definition: ftcimage.h:59
FTC_INode_New(FTC_INode *pinode, FTC_GQuery gquery, FTC_Cache cache)
Definition: ftcimage.c:59
FT_BEGIN_HEADER struct FTC_INodeRec_ * FTC_INode
#define FT_LOCAL(x)
Definition: ftconfig.h:387
#define FT_END_HEADER
Definition: ftheader.h:54
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
unsigned long FT_ULong
Definition: fttypes.h:253
int FT_Error
Definition: fttypes.h:300
unsigned int FT_UInt
Definition: fttypes.h:231
FTC_MruListClassRec clazz
Definition: ftcimage.h:66
FTC_IFamily_LoadGlyphFunc family_load_glyph
Definition: ftcimage.h:67
FTC_GNodeRec gnode
Definition: ftcimage.h:49
FT_Glyph glyph
Definition: ftcimage.h:50
Definition: cache.c:49
Definition: fs.h:78