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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1997 Asger Alstrup
* and the LyX Team.
*
*======================================================*/
#ifndef _FONTLOADER_H_
#define _FONTLOADER_H_
#ifdef __GNUG__
#pragma interface
#endif
#include FORMS_H_LOCATION
#include "lyxfont.h"
class LString;
class FontInfo;
/** This class takes care of loading fonts. It uses FontInfo to make intelligent
guesses about matching font size, and it tries different tags itself in order
to match the font loading demands. Later, I plan to extend this with support
for T1Lib, probably via a new class building on this. (Asger) */
class FontLoader {
public:
///
FontLoader();
///
~FontLoader();
/// Update fonts after zoom, dpi, font names, or norm change
void update();
/// Load font
XFontStruct* load(LyXFont::FONT_FAMILY family,
LyXFont::FONT_SERIES series,
LyXFont::FONT_SHAPE shape,
LyXFont::FONT_SIZE size)
{
if (fontstruct[family][series][shape][size]!=0)
return fontstruct[family][series][shape][size];
else
return doLoad(family,series,shape,size);
};
private:
/// Array of font structs
XFontStruct* fontstruct[4][2][4][10];
/// Array of font infos
FontInfo * fontinfo[4][2][4];
/// Reset font handler
void reset();
/// Unload all fonts
void unload();
/// Get font info
void getFontinfo(LyXFont::FONT_FAMILY family,
LyXFont::FONT_SERIES series,
LyXFont::FONT_SHAPE shape);
/** Does the actual loading of a font. Updates fontstruct. */
XFontStruct* doLoad(LyXFont::FONT_FAMILY family,
LyXFont::FONT_SERIES series,
LyXFont::FONT_SHAPE shape,
LyXFont::FONT_SIZE size);
};
#endif
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