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
189
190
191
192
|
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Graphics/Font.hpp>
#include <SFML/Graphics/FontLoader.hpp>
#include <iostream>
namespace sf
{
////////////////////////////////////////////////////////////
// Static member data
////////////////////////////////////////////////////////////
Uint32 Font::ourDefaultCharset[] =
{
// Printable characters in ASCII range
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E,
// Printable characters in extended ASCII range
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0x2A, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE,
// To make it a valid string
0x00
};
////////////////////////////////////////////////////////////
/// Default constructor
////////////////////////////////////////////////////////////
Font::Font() :
myCharSize(0)
{
}
////////////////////////////////////////////////////////////
/// Load the font from a file
////////////////////////////////////////////////////////////
bool Font::LoadFromFile(const std::string& Filename, unsigned int CharSize, const Unicode::Text& Charset)
{
// Clear the previous character map
myGlyphs.clear();
// Always add these special characters
Unicode::UTF32String UTFCharset = Charset;
if (UTFCharset.find(L' ') != Unicode::UTF32String::npos) UTFCharset += L' ';
if (UTFCharset.find(L'\n') != Unicode::UTF32String::npos) UTFCharset += L'\n';
if (UTFCharset.find(L'\v') != Unicode::UTF32String::npos) UTFCharset += L'\v';
if (UTFCharset.find(L'\t') != Unicode::UTF32String::npos) UTFCharset += L'\t';
return priv::FontLoader::GetInstance().LoadFontFromFile(Filename, CharSize, UTFCharset, *this);
}
////////////////////////////////////////////////////////////
/// Load the font from a file in memory
////////////////////////////////////////////////////////////
bool Font::LoadFromMemory(const char* Data, std::size_t SizeInBytes, unsigned int CharSize, const Unicode::Text& Charset)
{
// Clear the previous character map
myGlyphs.clear();
// Check parameters
if (!Data || (SizeInBytes == 0))
{
std::cerr << "Failed to load font from memory, no data provided" << std::endl;
return false;
}
// Always add these special characters
Unicode::UTF32String UTFCharset = Charset;
if (UTFCharset.find(L' ') != Unicode::UTF32String::npos) UTFCharset += L' ';
if (UTFCharset.find(L'\n') != Unicode::UTF32String::npos) UTFCharset += L'\n';
if (UTFCharset.find(L'\v') != Unicode::UTF32String::npos) UTFCharset += L'\v';
if (UTFCharset.find(L'\t') != Unicode::UTF32String::npos) UTFCharset += L'\t';
return priv::FontLoader::GetInstance().LoadFontFromMemory(Data, SizeInBytes, CharSize, UTFCharset, *this);
}
////////////////////////////////////////////////////////////
/// Get the base size of characters in the font;
/// All glyphs dimensions are based on this value
////////////////////////////////////////////////////////////
unsigned int Font::GetCharacterSize() const
{
return myCharSize;
}
////////////////////////////////////////////////////////////
/// Get the description of a glyph (character)
/// given by its unicode value
////////////////////////////////////////////////////////////
const Glyph& Font::GetGlyph(Uint32 CodePoint) const
{
std::map<Uint32, Glyph>::const_iterator It = myGlyphs.find(CodePoint);
if (It != myGlyphs.end())
{
// Valid glyph
return It->second;
}
else
{
// Invalid glyph -- return an invalid glyph
static const Glyph InvalidGlyph;
return InvalidGlyph;
}
}
////////////////////////////////////////////////////////////
/// Get the image containing the rendered characters (glyphs)
////////////////////////////////////////////////////////////
const Image& Font::GetImage() const
{
return myTexture;
}
////////////////////////////////////////////////////////////
/// Get the SFML default built-in font (Arial)
////////////////////////////////////////////////////////////
const Font& Font::GetDefaultFont()
{
#if defined(SFML_SYSTEM_WINDOWS) && defined(SFML_DYNAMIC)
// On Windows dynamic build, the default font causes a crash at global exit.
// This is a temporary workaround that turns the crash into a memory leak.
// Note that this bug doesn't exist anymore in SFML 2.
static Font* DefaultFontPtr = new Font;
Font& DefaultFont = *DefaultFontPtr;
#else
static Font DefaultFont;
#endif
// Get the raw data of the Arial font file into an array, so that we can load it into the font
static const char DefaultFontData[] =
{
#include <SFML/Graphics/Arial.hpp>
};
// Load the default font on first call
static bool DefaultFontLoaded = false;
if (!DefaultFontLoaded)
{
DefaultFont.LoadFromMemory(DefaultFontData, sizeof(DefaultFontData), 30);
DefaultFontLoaded = true;
}
return DefaultFont;
}
} // namespace sf
|
