| OpenTTD
    | 
Font cache for basic fonts. More...
#include <fontcache.h>
 
  
 | Public Member Functions | |
| FontCache (FontSize fs) | |
| Create a new font cache. | |
| virtual | ~FontCache () | 
| Clean everything up. | |
| FontSize | GetSize () const | 
| Get the FontSize of the font. | |
| virtual int | GetHeight () const | 
| Get the height of the font. | |
| int | GetAscender () const | 
| Get the ascender value of the font. | |
| int | GetDescender () const | 
| Get the descender value of the font. | |
| int | GetUnitsPerEM () const | 
| Get the units per EM value of the font. | |
| virtual SpriteID | GetUnicodeGlyph (WChar key)=0 | 
| Get the SpriteID mapped to the given key. | |
| virtual void | SetUnicodeGlyph (WChar key, SpriteID sprite)=0 | 
| Map a SpriteID to the key. | |
| virtual void | InitializeUnicodeGlyphMap ()=0 | 
| Initialize the glyph map. | |
| virtual void | ClearFontCache ()=0 | 
| Clear the font cache. | |
| virtual const Sprite * | GetGlyph (GlyphID key)=0 | 
| Get the glyph (sprite) of the given key. | |
| virtual uint | GetGlyphWidth (GlyphID key)=0 | 
| Get the width of the glyph with the given key. | |
| virtual bool | GetDrawGlyphShadow ()=0 | 
| Do we need to draw a glyph shadow? | |
| virtual GlyphID | MapCharToGlyph (WChar key)=0 | 
| Map a character into a glyph. | |
| virtual const void * | GetFontTable (uint32 tag, size_t &length)=0 | 
| Read a font table from the font. | |
| virtual const char * | GetFontName ()=0 | 
| Get the name of this font. | |
| bool | HasParent () | 
| Check whether the font cache has a parent. | |
| Static Public Member Functions | |
| static FontCache * | Get (FontSize fs) | 
| Get the font cache of a given font size. | |
| Protected Attributes | |
| FontCache * | parent | 
| The parent of this font cache. | |
| const FontSize | fs | 
| The size of the font. | |
| int | height | 
| The height of the font. | |
| int | ascender | 
| The ascender value of the font. | |
| int | descender | 
| The descender value of the font. | |
| int | units_per_em | 
| The units per EM value of the font. | |
| Static Private Attributes | |
| static FontCache * | caches [FS_END] = { new SpriteFontCache(FS_NORMAL), new SpriteFontCache(FS_SMALL), new SpriteFontCache(FS_LARGE), new SpriteFontCache(FS_MONO) } | 
| All the font caches. | |
Font cache for basic fonts.
Definition at line 23 of file fontcache.h.
| FontCache::FontCache | ( | FontSize | fs | ) | 
Create a new font cache.
| fs | The size of the font. | 
Definition at line 40 of file fontcache.cpp.
References caches, fs, parent, and Layouter::ResetFontCache().
| 
 | virtual | 
Clean everything up.
Definition at line 50 of file fontcache.cpp.
References caches, fs, parent, and Layouter::ResetFontCache().
| 
 | pure virtual | 
Clear the font cache.
Implemented in FreeTypeFontCache, and SpriteFontCache.
Get the font cache of a given font size.
| fs | The font size to look up. | 
Definition at line 133 of file fontcache.h.
Referenced by GetCharacterHeight(), GetGlyph(), GetGlyphWidth(), GetUnicodeGlyph(), InitFreeType(), InitializeUnicodeGlyphMap(), CrashLog::LogConfiguration(), SetUnicodeGlyph(), and UninitFreeType().
| 
 | inline | 
Get the ascender value of the font.
Definition at line 53 of file fontcache.h.
References ascender.
| 
 | inline | 
Get the descender value of the font.
Definition at line 59 of file fontcache.h.
References descender.
| 
 | pure virtual | 
Do we need to draw a glyph shadow?
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by DrawLayoutLine().
| 
 | pure virtual | 
Get the name of this font.
Implemented in FreeTypeFontCache, and SpriteFontCache.
| 
 | pure virtual | 
Read a font table from the font.
| tag | The of the table to load. | 
| length | The length of the read data. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Get the glyph (sprite) of the given key.
| key | The key to look up. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by DrawLayoutLine(), GetGlyph(), and FreeTypeFontCache::GetGlyph().
| 
 | pure virtual | 
Get the width of the glyph with the given key.
| key | The key to look up. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by DrawLayoutLine(), GetGlyphWidth(), and FreeTypeFontCache::GetGlyphWidth().
| 
 | inlinevirtual | 
Get the height of the font.
Reimplemented in SpriteFontCache.
Definition at line 47 of file fontcache.h.
References height.
Referenced by GetCharacterHeight().
| 
 | inline | 
Get the FontSize of the font.
Definition at line 41 of file fontcache.h.
References fs.
Referenced by FallbackParagraphLayout::NextLine().
Get the SpriteID mapped to the given key.
| key | The key to get the sprite for. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by GetUnicodeGlyph(), and FreeTypeFontCache::GetUnicodeGlyph().
| 
 | inline | 
Get the units per EM value of the font.
Definition at line 65 of file fontcache.h.
References units_per_em.
Map a character into a glyph.
| key | The character. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by DrawLayoutLine(), GetGlyph(), GetGlyphWidth(), and FreeTypeFontCache::MapCharToGlyph().
Map a SpriteID to the key.
| key | The key to map to. | 
| sprite | The sprite that is being mapped. | 
Implemented in FreeTypeFontCache, and SpriteFontCache.
Referenced by SetUnicodeGlyph(), and FreeTypeFontCache::SetUnicodeGlyph().
 1.8.1.2
 1.8.1.2