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
|
/*
* FTGL - OpenGL font library
*
* Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
* Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __FTFontImpl__
#define __FTFontImpl__
#include "FTGL/ftgl.h"
#include "FTFace.h"
class FTGlyphContainer;
class FTGlyph;
class FTFontImpl
{
friend class FTFont;
protected:
FTFontImpl(FTFont *ftFont, char const *fontFilePath);
FTFontImpl(FTFont *ftFont, const unsigned char *pBufferBytes,
size_t bufferSizeInBytes);
virtual ~FTFontImpl();
virtual bool Attach(const char* fontFilePath);
virtual bool Attach(const unsigned char *pBufferBytes,
size_t bufferSizeInBytes);
virtual void GlyphLoadFlags(FT_Int flags);
virtual bool CharMap(FT_Encoding encoding);
virtual unsigned int CharMapCount() const;
virtual FT_Encoding* CharMapList();
virtual void UseDisplayList(bool useList);
virtual float Ascender() const;
virtual float Descender() const;
virtual float LineHeight() const;
virtual bool FaceSize(const unsigned int size,
const unsigned int res);
virtual unsigned int FaceSize() const;
virtual void Depth(float depth);
virtual void Outset(float outset);
virtual void Outset(float front, float back);
virtual FTBBox BBox(const char *s, const int len, FTPoint, FTPoint);
virtual FTBBox BBox(const wchar_t *s, const int len, FTPoint, FTPoint);
virtual float Advance(const char *s, const int len, FTPoint);
virtual float Advance(const wchar_t *s, const int len, FTPoint);
virtual FTPoint Render(const char *s, const int len,
FTPoint, FTPoint, int);
virtual FTPoint Render(const wchar_t *s, const int len,
FTPoint, FTPoint, int);
/**
* Current face object
*/
FTFace face;
/**
* Current size object
*/
FTSize charSize;
/**
* Flag to enable or disable the use of Display Lists inside FTGL
* <code>true</code> turns ON display lists.
* <code>false</code> turns OFF display lists.
*/
bool useDisplayLists;
/**
* The default glyph loading flags.
*/
FT_Int load_flags;
/**
* Current error code. Zero means no error.
*/
FT_Error err;
private:
/**
* A link back to the interface of which we are the implementation.
*/
FTFont *intf;
/**
* Check that the glyph at <code>chr</code> exist. If not load it.
*
* @param chr character index
* @return <code>true</code> if the glyph can be created.
*/
bool CheckGlyph(const unsigned int chr);
/**
* An object that holds a list of glyphs
*/
FTGlyphContainer* glyphList;
/**
* Current pen or cursor position;
*/
FTPoint pen;
/* Internal generic BBox() implementation */
template <typename T>
inline FTBBox BBoxI(const T *s, const int len,
FTPoint position, FTPoint spacing);
/* Internal generic Advance() implementation */
template <typename T>
inline float AdvanceI(const T *s, const int len, FTPoint spacing);
/* Internal generic Render() implementation */
template <typename T>
inline FTPoint RenderI(const T *s, const int len,
FTPoint position, FTPoint spacing, int mode);
};
#endif // __FTFontImpl__
|
