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Font.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
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
58 struct Info
59 {
60 std::string family;
61 };
62
63 public:
64
71 Font();
72
79 Font(const Font& copy);
80
87 ~Font();
88
109 bool loadFromFile(const std::string& filename);
110
130 bool loadFromMemory(const void* data, std::size_t sizeInBytes);
131
152 bool loadFromStream(InputStream& stream);
153
160 const Info& getInfo() const;
161
176 const Glyph& getGlyph(Uint32 codePoint, unsigned int characterSize, bool bold) const;
177
194 float getKerning(Uint32 first, Uint32 second, unsigned int characterSize) const;
195
207 float getLineSpacing(unsigned int characterSize) const;
208
222 float getUnderlinePosition(unsigned int characterSize) const;
223
236 float getUnderlineThickness(unsigned int characterSize) const;
237
250 const Texture& getTexture(unsigned int characterSize) const;
251
260 Font& operator =(const Font& right);
261
262 private:
263
268 struct Row
269 {
270 Row(unsigned int rowTop, unsigned int rowHeight) : width(0), top(rowTop), height(rowHeight) {}
271
272 unsigned int width;
273 unsigned int top;
274 unsigned int height;
275 };
276
278 // Types
280 typedef std::map<Uint32, Glyph> GlyphTable;
281
286 struct Page
287 {
288 Page();
289
290 GlyphTable glyphs;
291 Texture texture;
292 unsigned int nextRow;
293 std::vector<Row> rows;
294 };
295
300 void cleanup();
301
312 Glyph loadGlyph(Uint32 codePoint, unsigned int characterSize, bool bold) const;
313
324 IntRect findGlyphRect(Page& page, unsigned int width, unsigned int height) const;
325
334 bool setCurrentSize(unsigned int characterSize) const;
335
337 // Types
339 typedef std::map<unsigned int, Page> PageTable;
340
342 // Member data
344 void* m_library;
345 void* m_face;
346 void* m_streamRec;
347 int* m_refCount;
348 Info m_info;
349 mutable PageTable m_pages;
350 mutable std::vector<Uint8> m_pixelBuffer;
351 #ifdef SFML_SYSTEM_ANDROID
352 void* m_stream;
353 #endif
354 };
355
356 } // namespace sf
357
358
359 #endif // SFML_FONT_HPP
360
361
sf::InputStream
Abstract class for custom file input streams.
Definition: InputStream.hpp:41
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
Definition: AlResource.hpp:34
sf::Font
Class for loading and manipulating character fonts.
Definition: Font.hpp:50
sf::Font::Info::family
std::string family
The font family.
Definition: Font.hpp:60
sf::Font::Info
Holds various information about a font.
Definition: Font.hpp:58