1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/***************************************************************************/
/* */
/* ftcimage.c */
/* */
/* FreeType Image cache (body). */
/* */
/* Copyright 2000-2001, 2003, 2004, 2006, 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. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_CACHE_H
#include "ftcimage.h"
#include <freetype/internal/ftmemory.h>
#include "ftccback.h"
#include "ftcerror.h"
/* finalize a given glyph image node */
FT_LOCAL_DEF( void )
ftc_inode_free( FTC_Node ftcinode,
FTC_Cache cache )
{
FTC_INode inode = (FTC_INode)ftcinode;
FT_Memory memory = cache->memory;
if ( inode->glyph )
{
FT_Done_Glyph( inode->glyph );
inode->glyph = NULL;
}
FTC_GNode_Done( FTC_GNODE( inode ), cache );
FT_FREE( inode );
}
FT_LOCAL_DEF( void )
FTC_INode_Free( FTC_INode inode,
FTC_Cache cache )
{
ftc_inode_free( FTC_NODE( inode ), cache );
}
/* initialize a new glyph image node */
FT_LOCAL_DEF( FT_Error )
FTC_INode_New( FTC_INode *pinode,
FTC_GQuery gquery,
FTC_Cache cache )
{
FT_Memory memory = cache->memory;
FT_Error error;
FTC_INode inode = NULL;
if ( !FT_NEW( inode ) )
{
FTC_GNode gnode = FTC_GNODE( inode );
FTC_Family family = gquery->family;
FT_UInt gindex = gquery->gindex;
FTC_IFamilyClass clazz = FTC_CACHE__IFAMILY_CLASS( cache );
/* initialize its inner fields */
FTC_GNode_Init( gnode, gindex, family );
/* we will now load the glyph image */
error = clazz->family_load_glyph( family, gindex, cache,
&inode->glyph );
if ( error )
{
FTC_INode_Free( inode, cache );
inode = NULL;
}
}
*pinode = inode;
return error;
}
FT_LOCAL_DEF( FT_Error )
ftc_inode_new( FTC_Node *ftcpinode,
FT_Pointer ftcgquery,
FTC_Cache cache )
{
FTC_INode *pinode = (FTC_INode*)ftcpinode;
FTC_GQuery gquery = (FTC_GQuery)ftcgquery;
return FTC_INode_New( pinode, gquery, cache );
}
FT_LOCAL_DEF( FT_Offset )
ftc_inode_weight( FTC_Node ftcinode,
FTC_Cache ftccache )
{
FTC_INode inode = (FTC_INode)ftcinode;
FT_Offset size = 0;
FT_Glyph glyph = inode->glyph;
FT_UNUSED( ftccache );
switch ( glyph->format )
{
case FT_GLYPH_FORMAT_BITMAP:
{
FT_BitmapGlyph bitg;
bitg = (FT_BitmapGlyph)glyph;
size = bitg->bitmap.rows * ft_labs( bitg->bitmap.pitch ) +
sizeof ( *bitg );
}
break;
case FT_GLYPH_FORMAT_OUTLINE:
{
FT_OutlineGlyph outg;
outg = (FT_OutlineGlyph)glyph;
size = outg->outline.n_points *
( sizeof ( FT_Vector ) + sizeof ( FT_Byte ) ) +
outg->outline.n_contours * sizeof ( FT_Short ) +
sizeof ( *outg );
}
break;
default:
;
}
size += sizeof ( *inode );
return size;
}
#if 0
FT_LOCAL_DEF( FT_Offset )
FTC_INode_Weight( FTC_INode inode )
{
return ftc_inode_weight( FTC_NODE( inode ), NULL );
}
#endif /* 0 */
/* END */
|
