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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file fontcache.h Functions to read fonts from files and cache them. */
#ifndef FONTCACHE_H
#define FONTCACHE_H
#include "spritecache.h"
/** Get the SpriteID mapped to the given font size and key */
SpriteID GetUnicodeGlyph(FontSize size, uint32 key);
/** Map a SpriteID to the font size and key */
void SetUnicodeGlyph(FontSize size, uint32 key, SpriteID sprite);
/** Initialize the glyph map */
void InitializeUnicodeGlyphMap();
#ifdef WITH_FREETYPE
/** Settings for a single freetype font. */
struct FreeTypeSubSetting {
char font[MAX_PATH]; ///< The name of the font, or path to the font.
uint size; ///< The (requested) size of the font.
bool aa; ///< Whether to do anti aliasing or not.
};
/** Settings for the freetype fonts. */
struct FreeTypeSettings {
FreeTypeSubSetting small; ///< The smallest font; mostly used for zoomed out view.
FreeTypeSubSetting medium; ///< The normal font size.
FreeTypeSubSetting large; ///< The largest font; mostly used for newspapers.
FreeTypeSubSetting mono; ///< The mono space font used for license/readme viewers.
};
extern FreeTypeSettings _freetype;
void InitFreeType(bool monospace);
void UninitFreeType();
void ClearFontCache();
const Sprite *GetGlyph(FontSize size, uint32 key);
uint GetGlyphWidth(FontSize size, uint32 key);
bool GetDrawGlyphShadow();
#else
/* Stub for initializiation */
static inline void InitFreeType(bool monospace) { extern void ResetFontSizes(bool monospace); ResetFontSizes(monospace); }
static inline void UninitFreeType() {}
static inline void ClearFontCache() {}
/** Get the Sprite for a glyph */
static inline const Sprite *GetGlyph(FontSize size, uint32 key)
{
SpriteID sprite = GetUnicodeGlyph(size, key);
if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
return GetSprite(sprite, ST_FONT);
}
/** Get the width of a glyph */
static inline uint GetGlyphWidth(FontSize size, uint32 key)
{
SpriteID sprite = GetUnicodeGlyph(size, key);
if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
return SpriteExists(sprite) ? GetSprite(sprite, ST_FONT)->width + (size != FS_NORMAL) : 0;
}
static inline bool GetDrawGlyphShadow()
{
return false;
}
#endif /* WITH_FREETYPE */
#endif /* FONTCACHE_H */
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