lyx_mirror/src/frontends/xforms/xfont_loader.h
Lars Gullik Bjønnes 99d1627a47 dont use pragma impementation and interface anymore
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
2003-02-13 16:53:15 +00:00

80 lines
1.8 KiB
C++

// -*- C++ -*-
/**
* \file xfont_loader.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
*
* Full author contact details are available in file CREDITS
*/
#ifndef FONTLOADER_H_
#define FONTLOADER_H_
#include <X11/Xlib.h>
#include "lyxfont.h"
#include "LString.h"
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 xfont_loader {
public:
///
xfont_loader();
///
~xfont_loader();
/// 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);
};
/// Do we have anything matching?
bool available(LyXFont const & f);
private:
/// Array of font structs
XFontStruct * fontstruct[LyXFont::NUM_FAMILIES][2][4][10];
/// Array of font infos
FontInfo * fontinfo[LyXFont::NUM_FAMILIES][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);
};
///
extern xfont_loader fontloader;
#endif