mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-20 15:01:58 +00:00
749 lines
18 KiB
C++
749 lines
18 KiB
C++
/**
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* \file src/FontInfo.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author André Pönitz
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* \author Dekel Tsur
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "ColorSet.h"
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#include "FontInfo.h"
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#include "Lexer.h"
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#include "LyXRC.h"
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#include "support/convert.h"
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#include "support/debug.h"
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#include "support/docstring.h"
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#include "support/lstrings.h"
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#include "support/RefChanger.h"
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#include <algorithm>
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#include <ostream>
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#include <sstream>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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//
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// Strings used to read and write .lyx format files
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//
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char const * LyXFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
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{ "roman", "sans", "typewriter", "symbol",
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"cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
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"wasy", "esint", "default", "error" };
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char const * LyXSeriesNames[NUM_SERIES + 2 /* default & error */] =
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{ "medium", "bold", "default", "error" };
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char const * LyXShapeNames[NUM_SHAPE + 2 /* default & error */] =
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{ "up", "italic", "slanted", "smallcaps", "default", "error" };
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char const * LyXSizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
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{ "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
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"larger", "largest", "huge", "giant",
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"increase", "decrease", "default", "error" };
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char const * LyXMiscNames[5] =
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{ "off", "on", "toggle", "default", "error" };
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FontInfo const sane_font(
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ROMAN_FAMILY,
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MEDIUM_SERIES,
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UP_SHAPE,
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FONT_SIZE_NORMAL,
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Color_none,
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Color_background,
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FONT_OFF,
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FONT_OFF,
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FONT_OFF,
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FONT_OFF,
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FONT_OFF,
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FONT_OFF,
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FONT_OFF);
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FontInfo const inherit_font(
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INHERIT_FAMILY,
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INHERIT_SERIES,
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INHERIT_SHAPE,
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FONT_SIZE_INHERIT,
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Color_inherit,
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Color_inherit,
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FONT_INHERIT,
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FONT_INHERIT,
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FONT_INHERIT,
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FONT_INHERIT,
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FONT_INHERIT,
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FONT_INHERIT,
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FONT_OFF);
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FontInfo const ignore_font(
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IGNORE_FAMILY,
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IGNORE_SERIES,
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IGNORE_SHAPE,
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FONT_SIZE_IGNORE,
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Color_ignore,
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Color_ignore,
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FONT_IGNORE,
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FONT_IGNORE,
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FONT_IGNORE,
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FONT_IGNORE,
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FONT_IGNORE,
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FONT_IGNORE,
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FONT_IGNORE);
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FontInfo::FontInfo()
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{
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*this = sane_font;
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}
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/// Decreases font size_ by one
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FontInfo & FontInfo::decSize()
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{
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switch (size_) {
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case FONT_SIZE_HUGER: size_ = FONT_SIZE_HUGE; break;
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case FONT_SIZE_HUGE: size_ = FONT_SIZE_LARGEST; break;
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case FONT_SIZE_LARGEST: size_ = FONT_SIZE_LARGER; break;
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case FONT_SIZE_LARGER: size_ = FONT_SIZE_LARGE; break;
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case FONT_SIZE_LARGE: size_ = FONT_SIZE_NORMAL; break;
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case FONT_SIZE_NORMAL: size_ = FONT_SIZE_SMALL; break;
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case FONT_SIZE_SMALL: size_ = FONT_SIZE_FOOTNOTE; break;
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case FONT_SIZE_FOOTNOTE: size_ = FONT_SIZE_SCRIPT; break;
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case FONT_SIZE_SCRIPT: size_ = FONT_SIZE_TINY; break;
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case FONT_SIZE_TINY: break;
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case FONT_SIZE_INCREASE:
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LYXERR0("Can't FontInfo::decSize on FONT_SIZE_INCREASE");
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break;
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case FONT_SIZE_DECREASE:
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LYXERR0("Can't FontInfo::decSize on FONT_SIZE_DECREASE");
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break;
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case FONT_SIZE_INHERIT:
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LYXERR0("Can't FontInfo::decSize on FONT_SIZE_INHERIT");
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break;
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case FONT_SIZE_IGNORE:
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LYXERR0("Can't FontInfo::decSize on FONT_SIZE_IGNORE");
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break;
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}
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return *this;
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}
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/// Increases font size_ by one
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FontInfo & FontInfo::incSize()
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{
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switch (size_) {
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case FONT_SIZE_HUGER: break;
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case FONT_SIZE_HUGE: size_ = FONT_SIZE_HUGER; break;
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case FONT_SIZE_LARGEST: size_ = FONT_SIZE_HUGE; break;
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case FONT_SIZE_LARGER: size_ = FONT_SIZE_LARGEST; break;
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case FONT_SIZE_LARGE: size_ = FONT_SIZE_LARGER; break;
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case FONT_SIZE_NORMAL: size_ = FONT_SIZE_LARGE; break;
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case FONT_SIZE_SMALL: size_ = FONT_SIZE_NORMAL; break;
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case FONT_SIZE_FOOTNOTE: size_ = FONT_SIZE_SMALL; break;
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case FONT_SIZE_SCRIPT: size_ = FONT_SIZE_FOOTNOTE; break;
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case FONT_SIZE_TINY: size_ = FONT_SIZE_SCRIPT; break;
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case FONT_SIZE_INCREASE:
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LYXERR0("Can't FontInfo::incSize on FONT_SIZE_INCREASE");
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break;
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case FONT_SIZE_DECREASE:
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LYXERR0("Can't FontInfo::incSize on FONT_SIZE_DECREASE");
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break;
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case FONT_SIZE_INHERIT:
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LYXERR0("Can't FontInfo::incSize on FONT_SIZE_INHERIT");
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break;
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case FONT_SIZE_IGNORE:
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LYXERR0("Can't FontInfo::incSize on FONT_SIZE_IGNORE");
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break;
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}
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return *this;
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}
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double FontInfo::realSize() const
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{
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double d = convert<double>(lyxrc.font_sizes[size()]);
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// The following is according to the average of the values in the
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// definitions of \defaultscriptratio and \defaultscriptscriptratio in LaTeX
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// font packages. No attempt is made to implement the actual values from
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// \DefineMathSizes.
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switch (style()) {
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case LM_ST_DISPLAY:
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case LM_ST_TEXT:
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break;
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case LM_ST_SCRIPT:
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d *= .73;
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break;
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case LM_ST_SCRIPTSCRIPT:
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d *= .55;
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break;
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}
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// Never go below the smallest size
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return max(d, convert<double>(lyxrc.font_sizes[FONT_SIZE_TINY]));
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}
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/// Reduce font to fall back to template where possible
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void FontInfo::reduce(FontInfo const & tmplt)
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{
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if (family_ == tmplt.family_)
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family_ = INHERIT_FAMILY;
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if (series_ == tmplt.series_)
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series_ = INHERIT_SERIES;
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if (shape_ == tmplt.shape_)
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shape_ = INHERIT_SHAPE;
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if (size_ == tmplt.size_)
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size_ = FONT_SIZE_INHERIT;
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if (emph_ == tmplt.emph_)
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emph_ = FONT_INHERIT;
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if (underbar_ == tmplt.underbar_)
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underbar_ = FONT_INHERIT;
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if (strikeout_ == tmplt.strikeout_)
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strikeout_ = FONT_INHERIT;
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if (uuline_ == tmplt.uuline_)
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uuline_ = FONT_INHERIT;
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if (uwave_ == tmplt.uwave_)
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uwave_ = FONT_INHERIT;
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if (noun_ == tmplt.noun_)
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noun_ = FONT_INHERIT;
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if (color_ == tmplt.color_)
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color_ = Color_inherit;
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if (background_ == tmplt.background_)
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background_ = Color_inherit;
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}
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/// Realize font from a template
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FontInfo & FontInfo::realize(FontInfo const & tmplt)
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{
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if ((*this) == inherit_font) {
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operator=(tmplt);
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return *this;
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}
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if (family_ == INHERIT_FAMILY)
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family_ = tmplt.family_;
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if (series_ == INHERIT_SERIES)
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series_ = tmplt.series_;
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if (shape_ == INHERIT_SHAPE)
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shape_ = tmplt.shape_;
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if (size_ == FONT_SIZE_INHERIT)
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size_ = tmplt.size_;
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if (emph_ == FONT_INHERIT)
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emph_ = tmplt.emph_;
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if (underbar_ == FONT_INHERIT)
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underbar_ = tmplt.underbar_;
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if (strikeout_ == FONT_INHERIT)
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strikeout_ = tmplt.strikeout_;
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if (uuline_ == FONT_INHERIT)
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uuline_ = tmplt.uuline_;
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if (uwave_ == FONT_INHERIT)
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uwave_ = tmplt.uwave_;
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if (noun_ == FONT_INHERIT)
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noun_ = tmplt.noun_;
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if (color_ == Color_inherit)
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color_ = tmplt.color_;
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if (background_ == Color_inherit)
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background_ = tmplt.background_;
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return *this;
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}
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Changer FontInfo::changeColor(ColorCode const color)
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{
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return make_change(color_, color);
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}
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Changer FontInfo::changeShape(FontShape const shape)
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{
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return make_change(shape_, shape);
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}
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Changer FontInfo::changeStyle(MathStyle const new_style)
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{
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return make_change(style_, new_style);
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}
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Changer FontInfo::change(FontInfo font, bool realiz)
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{
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if (realiz)
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font.realize(*this);
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return make_change(*this, font);
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}
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/// Updates a misc setting according to request
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static FontState setMisc(FontState newfont,
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FontState org)
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{
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if (newfont == FONT_TOGGLE) {
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if (org == FONT_ON)
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return FONT_OFF;
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else if (org == FONT_OFF)
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return FONT_ON;
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else {
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LYXERR0("Font::setMisc: Need state"
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" FONT_ON or FONT_OFF to toggle. Setting to FONT_ON");
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return FONT_ON;
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}
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} else if (newfont == FONT_IGNORE)
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return org;
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else
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return newfont;
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}
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/// Updates font settings according to request
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void FontInfo::update(FontInfo const & newfont, bool toggleall)
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{
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if (newfont.family_ == family_ && toggleall)
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setFamily(INHERIT_FAMILY); // toggle 'back'
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else if (newfont.family_ != IGNORE_FAMILY)
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setFamily(newfont.family_);
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// else it's IGNORE_SHAPE
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// "Old" behaviour: "Setting" bold will toggle bold on/off.
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switch (newfont.series_) {
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case BOLD_SERIES:
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// We toggle...
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if (series_ == BOLD_SERIES && toggleall)
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setSeries(MEDIUM_SERIES);
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else
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setSeries(BOLD_SERIES);
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break;
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case MEDIUM_SERIES:
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case INHERIT_SERIES:
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setSeries(newfont.series_);
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break;
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case IGNORE_SERIES:
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break;
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}
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if (newfont.shape_ == shape_ && toggleall)
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shape_ = INHERIT_SHAPE; // toggle 'back'
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else if (newfont.shape_ != IGNORE_SHAPE)
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shape_ = newfont.shape_;
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// else it's IGNORE_SHAPE
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if (newfont.size_ != FONT_SIZE_IGNORE) {
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if (newfont.size_ == FONT_SIZE_INCREASE)
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incSize();
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else if (newfont.size_ == FONT_SIZE_DECREASE)
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decSize();
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else
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size_ = newfont.size_;
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}
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setEmph(setMisc(newfont.emph_, emph_));
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setUnderbar(setMisc(newfont.underbar_, underbar_));
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setStrikeout(setMisc(newfont.strikeout_, strikeout_));
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setUuline(setMisc(newfont.uuline_, uuline_));
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setUwave(setMisc(newfont.uwave_, uwave_));
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setNoun(setMisc(newfont.noun_, noun_));
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setNumber(setMisc(newfont.number_, number_));
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if (newfont.color_ == color_ && toggleall)
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setColor(Color_inherit); // toggle 'back'
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else if (newfont.color_ != Color_ignore)
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setColor(newfont.color_);
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if (newfont.background_ == background_ && toggleall)
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setBackground(Color_inherit); // toggle 'back'
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else if (newfont.background_ != Color_ignore)
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setBackground(newfont.background_);
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}
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/// Is font resolved?
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bool FontInfo::resolved() const
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{
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return (family_ != INHERIT_FAMILY && series_ != INHERIT_SERIES
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&& shape_ != INHERIT_SHAPE && size_ != FONT_SIZE_INHERIT
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&& emph_ != FONT_INHERIT && underbar_ != FONT_INHERIT
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&& uuline_ != FONT_INHERIT && uwave_ != FONT_INHERIT
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&& strikeout_ != FONT_INHERIT && noun_ != FONT_INHERIT
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&& color_ != Color_inherit
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&& background_ != Color_inherit);
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}
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Color FontInfo::realColor() const
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{
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if (paint_color_ != Color_none)
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return paint_color_;
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if (color_ == Color_none)
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return Color_foreground;
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return color_;
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}
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namespace {
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void appendSep(string & s1, string const & s2)
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{
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if (s2.empty())
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return;
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s1 += s1.empty() ? "" : "\n";
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s1 += s2;
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}
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string makeCSSTag(string const & key, string const & val)
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{
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return key + ": " + val + ";";
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}
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string getFamilyCSS(FontFamily const & f)
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{
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switch (f) {
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case ROMAN_FAMILY:
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return "serif";
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case SANS_FAMILY:
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return "sans-serif";
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case TYPEWRITER_FAMILY:
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return "monospace";
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case SYMBOL_FAMILY:
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case CMR_FAMILY:
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case CMSY_FAMILY:
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case CMM_FAMILY:
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case CMEX_FAMILY:
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case MSA_FAMILY:
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case MSB_FAMILY:
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case EUFRAK_FAMILY:
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case RSFS_FAMILY:
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case STMARY_FAMILY:
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case WASY_FAMILY:
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case ESINT_FAMILY:
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case INHERIT_FAMILY:
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case IGNORE_FAMILY:
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break;
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}
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return "";
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}
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string getSeriesCSS(FontSeries const & s)
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{
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switch (s) {
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case MEDIUM_SERIES:
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return "normal";
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case BOLD_SERIES:
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return "bold";
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case INHERIT_SERIES:
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case IGNORE_SERIES:
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break;
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}
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return "";
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}
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string getShapeCSS(FontShape const & s)
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{
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string fs = "normal";
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string fv = "normal";
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switch (s) {
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case UP_SHAPE: break;
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case ITALIC_SHAPE: fs = "italic"; break;
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case SLANTED_SHAPE: fs = "oblique"; break;
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case SMALLCAPS_SHAPE: fv = "small-caps"; break;
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case IGNORE_SHAPE:
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case INHERIT_SHAPE:
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fs = ""; fv = ""; break;
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}
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string retval;
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if (!fs.empty())
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appendSep(retval, makeCSSTag("font-style", fs));
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if (!fv.empty())
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appendSep(retval, makeCSSTag("font-variant", fv));
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return retval;
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}
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string getSizeCSS(FontSize const & s)
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{
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switch (s) {
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case FONT_SIZE_TINY:
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return "xx-small";
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case FONT_SIZE_SCRIPT:
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return "x-small";
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case FONT_SIZE_FOOTNOTE:
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case FONT_SIZE_SMALL:
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return "small";
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case FONT_SIZE_NORMAL:
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return "medium";
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case FONT_SIZE_LARGE:
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return "large";
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case FONT_SIZE_LARGER:
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case FONT_SIZE_LARGEST:
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return "x-large";
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case FONT_SIZE_HUGE:
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case FONT_SIZE_HUGER:
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return "xx-large";
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case FONT_SIZE_INCREASE:
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return "larger";
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case FONT_SIZE_DECREASE:
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return "smaller";
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case FONT_SIZE_IGNORE:
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case FONT_SIZE_INHERIT:
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break;
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}
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return "";
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}
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} // namespace anonymous
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// FIXME This does not yet handle color
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docstring FontInfo::asCSS() const
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{
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string retval;
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string tmp = getFamilyCSS(family_);
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if (!tmp.empty())
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appendSep(retval, makeCSSTag("font-family", tmp));
|
|
tmp = getSeriesCSS(series_);
|
|
if (!tmp.empty())
|
|
appendSep(retval, makeCSSTag("font-weight", tmp));
|
|
appendSep(retval, getShapeCSS(shape_));
|
|
tmp = getSizeCSS(size_);
|
|
if (!tmp.empty())
|
|
appendSep(retval, makeCSSTag("font-size", tmp));
|
|
return from_ascii(retval);
|
|
}
|
|
|
|
|
|
// Set family according to lyx format string
|
|
void setLyXFamily(string const & fam, FontInfo & f)
|
|
{
|
|
string const s = ascii_lowercase(fam);
|
|
|
|
int i = 0;
|
|
while (LyXFamilyNames[i] != s &&
|
|
LyXFamilyNames[i] != string("error"))
|
|
++i;
|
|
if (s == LyXFamilyNames[i])
|
|
f.setFamily(FontFamily(i));
|
|
else
|
|
LYXERR0("Unknown family `" << s << '\'');
|
|
}
|
|
|
|
|
|
// Set series according to lyx format string
|
|
void setLyXSeries(string const & ser, FontInfo & f)
|
|
{
|
|
string const s = ascii_lowercase(ser);
|
|
|
|
int i = 0;
|
|
while (LyXSeriesNames[i] != s &&
|
|
LyXSeriesNames[i] != string("error")) ++i;
|
|
if (s == LyXSeriesNames[i]) {
|
|
f.setSeries(FontSeries(i));
|
|
} else
|
|
LYXERR0("Unknown series `" << s << '\'');
|
|
}
|
|
|
|
|
|
// Set shape according to lyx format string
|
|
void setLyXShape(string const & sha, FontInfo & f)
|
|
{
|
|
string const s = ascii_lowercase(sha);
|
|
|
|
int i = 0;
|
|
while (LyXShapeNames[i] != s && LyXShapeNames[i] != string("error"))
|
|
++i;
|
|
if (s == LyXShapeNames[i])
|
|
f.setShape(FontShape(i));
|
|
else
|
|
LYXERR0("Unknown shape `" << s << '\'');
|
|
}
|
|
|
|
|
|
// Set size according to lyx format string
|
|
void setLyXSize(string const & siz, FontInfo & f)
|
|
{
|
|
string const s = ascii_lowercase(siz);
|
|
int i = 0;
|
|
while (LyXSizeNames[i] != s && LyXSizeNames[i] != string("error"))
|
|
++i;
|
|
if (s == LyXSizeNames[i]) {
|
|
f.setSize(FontSize(i));
|
|
} else
|
|
LYXERR0("Unknown size `" << s << '\'');
|
|
}
|
|
|
|
|
|
// Set size according to lyx format string
|
|
FontState setLyXMisc(string const & siz)
|
|
{
|
|
string const s = ascii_lowercase(siz);
|
|
int i = 0;
|
|
while (LyXMiscNames[i] != s &&
|
|
LyXMiscNames[i] != string("error")) ++i;
|
|
if (s == LyXMiscNames[i])
|
|
return FontState(i);
|
|
LYXERR0("Unknown misc flag `" << s << '\'');
|
|
return FONT_OFF;
|
|
}
|
|
|
|
|
|
/// Sets color after LyX text format
|
|
void setLyXColor(string const & col, FontInfo & f)
|
|
{
|
|
f.setColor(lcolor.getFromLyXName(col));
|
|
}
|
|
|
|
|
|
// Read a font definition from given file in lyx format
|
|
// Used for layouts
|
|
FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
|
|
{
|
|
FontInfo f = fi;
|
|
bool error = false;
|
|
bool finished = false;
|
|
while (!finished && lex.isOK() && !error) {
|
|
lex.next();
|
|
string const tok = ascii_lowercase(lex.getString());
|
|
|
|
if (tok.empty()) {
|
|
continue;
|
|
} else if (tok == "endfont") {
|
|
finished = true;
|
|
} else if (tok == "family") {
|
|
lex.next();
|
|
string const ttok = lex.getString();
|
|
setLyXFamily(ttok, f);
|
|
} else if (tok == "series") {
|
|
lex.next();
|
|
string const ttok = lex.getString();
|
|
setLyXSeries(ttok, f);
|
|
} else if (tok == "shape") {
|
|
lex.next();
|
|
string const ttok = lex.getString();
|
|
setLyXShape(ttok, f);
|
|
} else if (tok == "size") {
|
|
lex.next();
|
|
string const ttok = lex.getString();
|
|
setLyXSize(ttok, f);
|
|
} else if (tok == "misc") {
|
|
lex.next();
|
|
string const ttok = ascii_lowercase(lex.getString());
|
|
|
|
if (ttok == "no_bar") {
|
|
f.setUnderbar(FONT_OFF);
|
|
} else if (ttok == "no_strikeout") {
|
|
f.setStrikeout(FONT_OFF);
|
|
} else if (ttok == "no_uuline") {
|
|
f.setUuline(FONT_OFF);
|
|
} else if (ttok == "no_uwave") {
|
|
f.setUwave(FONT_OFF);
|
|
} else if (ttok == "no_emph") {
|
|
f.setEmph(FONT_OFF);
|
|
} else if (ttok == "no_noun") {
|
|
f.setNoun(FONT_OFF);
|
|
} else if (ttok == "emph") {
|
|
f.setEmph(FONT_ON);
|
|
} else if (ttok == "underbar") {
|
|
f.setUnderbar(FONT_ON);
|
|
} else if (ttok == "strikeout") {
|
|
f.setStrikeout(FONT_ON);
|
|
} else if (ttok == "uuline") {
|
|
f.setUuline(FONT_ON);
|
|
} else if (ttok == "uwave") {
|
|
f.setUwave(FONT_ON);
|
|
} else if (ttok == "noun") {
|
|
f.setNoun(FONT_ON);
|
|
} else {
|
|
lex.printError("Illegal misc type");
|
|
}
|
|
} else if (tok == "color") {
|
|
lex.next();
|
|
string const ttok = lex.getString();
|
|
setLyXColor(ttok, f);
|
|
} else {
|
|
lex.printError("Unknown tag");
|
|
error = true;
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
|
|
void lyxWrite(ostream & os, FontInfo const & f, string const & start, int level)
|
|
{
|
|
string indent;
|
|
for (int i = 0; i < level; ++i)
|
|
indent += '\t';
|
|
ostringstream oss;
|
|
if (f.family() != INHERIT_FAMILY)
|
|
oss << indent << "\tFamily " << LyXFamilyNames[f.family()]
|
|
<< '\n';
|
|
if (f.series() != INHERIT_SERIES)
|
|
oss << indent << "\tSeries " << LyXSeriesNames[f.series()]
|
|
<< '\n';
|
|
if (f.shape() != INHERIT_SHAPE)
|
|
oss << indent << "\tShape " << LyXShapeNames[f.shape()]
|
|
<< '\n';
|
|
if (f.size() != FONT_SIZE_INHERIT)
|
|
oss << indent << "\tSize " << LyXSizeNames[f.size()]
|
|
<< '\n';
|
|
if (f.underbar() == FONT_ON)
|
|
oss << indent << "\tMisc Underbar\n";
|
|
else if (f.underbar() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Bar\n";
|
|
if (f.strikeout() == FONT_ON)
|
|
oss << indent << "\tMisc Strikeout\n";
|
|
else if (f.strikeout() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Strikeout\n";
|
|
if (f.uuline() == FONT_ON)
|
|
oss << indent << "\tMisc Uuline\n";
|
|
else if (f.uuline() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Uuline\n";
|
|
if (f.uwave() == FONT_ON)
|
|
oss << indent << "\tMisc Uwave\n";
|
|
else if (f.uwave() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Uwave\n";
|
|
if (f.emph() == FONT_ON)
|
|
oss << indent << "\tMisc Emph\n";
|
|
else if (f.emph() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Emph\n";
|
|
if (f.noun() == FONT_ON)
|
|
oss << indent << "\tMisc Noun\n";
|
|
else if (f.noun() == FONT_OFF)
|
|
oss << indent << "\tMisc No_Noun\n";
|
|
if (f.color() != Color_inherit && f.color() != Color_none)
|
|
oss << indent << "\tColor " << lcolor.getLyXName(f.color())
|
|
<< '\n';
|
|
if (!oss.str().empty()) {
|
|
os << indent << start << '\n'
|
|
<< oss.str()
|
|
<< indent << "EndFont\n";
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace lyx
|