Documentation de SFML 2.3.1

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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.
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10 // including commercial applications, and to alter it and redistribute it freely,
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12 //
13 // 1. The origin of this software must not be misrepresented;
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15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
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18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
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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 
Class for loading and manipulating character fonts.
Definition: Font.hpp:50
Structure describing a glyph.
Definition: Glyph.hpp:41
Abstract class for custom file input streams.
Definition: InputStream.hpp:41
Holds various information about a font.
Definition: Font.hpp:58
Image living on the graphics card that can be used for drawing.
Definition: Texture.hpp:47
std::string family
The font family.
Definition: Font.hpp:60