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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*************************************************************************/
/* dynamic_font_stb.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 DYNAMICFONT_STB_H
#define DYNAMICFONT_STB_H
#ifndef FREETYPE_ENABLED
#include "font.h"
#include "io/resource_loader.h"
#include "stb_truetype.h"
class DynamicFontAtSize;
class DynamicFont;
class DynamicFontData : public Resource {
GDCLASS(DynamicFontData, Resource);
bool valid;
PoolVector<uint8_t> font_data;
PoolVector<uint8_t>::Read fr;
const uint8_t *last_data_ptr;
struct KerningPairKey {
union {
struct {
uint32_t A, B;
};
uint64_t pair;
};
_FORCE_INLINE_ bool operator<(const KerningPairKey &p_r) const { return pair < p_r.pair; }
};
Map<KerningPairKey, int> kerning_map;
Map<int, DynamicFontAtSize *> size_cache;
friend class DynamicFontAtSize;
stbtt_fontinfo info;
int ascent;
int descent;
int linegap;
void lock();
void unlock();
friend class DynamicFont;
Ref<DynamicFontAtSize> _get_dynamic_font_at_size(int p_size);
public:
void set_font_data(const PoolVector<uint8_t> &p_font);
DynamicFontData();
~DynamicFontData();
};
class DynamicFontAtSize : public Reference {
GDCLASS(DynamicFontAtSize, Reference);
int rect_margin;
struct CharTexture {
PoolVector<uint8_t> imgdata;
int texture_size;
Vector<int> offsets;
Ref<ImageTexture> texture;
};
Vector<CharTexture> textures;
struct Character {
int texture_idx;
Rect2 rect;
float v_align;
float h_align;
float advance;
Character() {
texture_idx = 0;
v_align = 0;
}
};
HashMap<CharType, Character> char_map;
_FORCE_INLINE_ void _update_char(CharType p_char);
friend class DynamicFontData;
Ref<DynamicFontData> font;
float scale;
int size;
protected:
public:
float get_height() const;
float get_ascent() const;
float get_descent() const;
Size2 get_char_size(CharType p_char, CharType p_next = 0) const;
float draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next = 0, const Color &p_modulate = Color(1, 1, 1)) const;
DynamicFontAtSize();
~DynamicFontAtSize();
};
///////////////
class DynamicFont : public Font {
GDCLASS(DynamicFont, Font);
Ref<DynamicFontData> data;
Ref<DynamicFontAtSize> data_at_size;
int size;
protected:
static void _bind_methods();
public:
void set_font_data(const Ref<DynamicFontData> &p_data);
Ref<DynamicFontData> get_font_data() const;
void set_size(int p_size);
int get_size() const;
virtual float get_height() const;
virtual float get_ascent() const;
virtual float get_descent() const;
virtual Size2 get_char_size(CharType p_char, CharType p_next = 0) const;
virtual bool is_distance_field_hint() const;
virtual float draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next = 0, const Color &p_modulate = Color(1, 1, 1)) const;
DynamicFont();
~DynamicFont();
};
/////////////
class ResourceFormatLoaderDynamicFont : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
#endif
#endif // DYNAMICFONT_H
|