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Font.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24
25 #ifndef SFML_FONT_HPP
26 #define SFML_FONT_HPP
27
29 // Headers
31 #include <SFML/Graphics/Export.hpp>
32 #include <SFML/Graphics/Glyph.hpp>
33 #include <SFML/Graphics/Texture.hpp>
34 #include <SFML/Graphics/Rect.hpp>
35 #include <SFML/System/Vector2.hpp>
36 #include <SFML/System/String.hpp>
37 #include <map>
38 #include <string>
39 #include <vector>
40
41
42 namespace sf
43 {
44 class InputStream;
45
50 class SFML_GRAPHICS_API Font
51 {
52 public :
53
60 Font();
61
68 Font(const Font& copy);
69
76 ~Font();
77
94 bool loadFromFile(const std::string& filename);
95
113 bool loadFromMemory(const void* data, std::size_t sizeInBytes);
114
131 bool loadFromStream(InputStream& stream);
132
143 const Glyph& getGlyph(Uint32 codePoint, unsigned int characterSize, bool bold) const;
144
161 int getKerning(Uint32 first, Uint32 second, unsigned int characterSize) const;
162
174 int getLineSpacing(unsigned int characterSize) const;
175
188 const Texture& getTexture(unsigned int characterSize) const;
189
198 Font& operator =(const Font& right);
199
200 private :
201
206 struct Row
207 {
208 Row(unsigned int rowTop, unsigned int rowHeight) : width(0), top(rowTop), height(rowHeight) {}
209
210 unsigned int width;
211 unsigned int top;
212 unsigned int height;
213 };
214
216 // Types
218 typedef std::map<Uint32, Glyph> GlyphTable;
219
224 struct Page
225 {
226 Page();
227
228 GlyphTable glyphs;
229 sf::Texture texture;
230 unsigned int nextRow;
231 std::vector<Row> rows;
232 };
233
238 void cleanup();
239
250 Glyph loadGlyph(Uint32 codePoint, unsigned int characterSize, bool bold) const;
251
262 IntRect findGlyphRect(Page& page, unsigned int width, unsigned int height) const;
263
272 bool setCurrentSize(unsigned int characterSize) const;
273
275 // Types
277 typedef std::map<unsigned int, Page> PageTable;
278
280 // Member data
282 void* m_library;
283 void* m_face;
284 void* m_streamRec;
285 int* m_refCount;
286 mutable PageTable m_pages;
287 mutable std::vector<Uint8> m_pixelBuffer;
288 };
289
290 } // namespace sf
291
292
293 #endif // SFML_FONT_HPP
294
295
sf::Rect< int >
sf::Font
Class for loading and manipulating character fonts.
Definition: Font.hpp:50
sf::Texture
Image living on the graphics card that can be used for drawing.
Definition: Texture.hpp:47
sf::Glyph
Structure describing a glyph.
Definition: Glyph.hpp:41
sf::InputStream
Abstract class for custom file input streams.
Definition: InputStream.hpp:40