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2806246e1e
\mathbb) git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2647 a592a061-630c-0410-9148-cb99ea01b6c8
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1997 Asger Alstrup
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* and the LyX Team.
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*
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* ====================================================== */
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#ifndef FONTLOADER_H_
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#define FONTLOADER_H_
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <X11/Xlib.h>
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#include "lyxfont.h"
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#include "LString.h"
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class FontInfo;
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/** This class takes care of loading fonts. It uses FontInfo to make
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intelligent guesses about matching font size, and it tries different tags
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itself in order to match the font loading demands. Later, I plan to extend
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this with support for T1Lib, probably via a new class building on this.
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(Asger) */
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class FontLoader {
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public:
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///
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FontLoader();
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///
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~FontLoader();
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/// Update fonts after zoom, dpi, font names, or norm change
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void update();
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/// Load font
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XFontStruct * load(LyXFont::FONT_FAMILY family,
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LyXFont::FONT_SERIES series,
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LyXFont::FONT_SHAPE shape,
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LyXFont::FONT_SIZE size) {
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if (fontstruct[family][series][shape][size] != 0)
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return fontstruct[family][series][shape][size];
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else
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return doLoad(family, series, shape, size);
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};
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/// Do we have anything matching?
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bool available(LyXFont const & f);
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private:
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/// Array of font structs
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XFontStruct * fontstruct[LyXFont::NUM_FAMILIES][2][4][10];
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/// Array of font infos
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FontInfo * fontinfo[LyXFont::NUM_FAMILIES][2][4];
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/// Reset font handler
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void reset();
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/// Unload all fonts
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void unload();
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/// Get font info
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void getFontinfo(LyXFont::FONT_FAMILY family,
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LyXFont::FONT_SERIES series,
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LyXFont::FONT_SHAPE shape);
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/** Does the actual loading of a font. Updates fontstruct. */
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XFontStruct * doLoad(LyXFont::FONT_FAMILY family,
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LyXFont::FONT_SERIES series,
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LyXFont::FONT_SHAPE shape,
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LyXFont::FONT_SIZE size);
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};
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///
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extern FontLoader fontloader;
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#endif
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