void InsetMathChar::draw(PainterInfo & pi, int x, int y) const
{
//lyxerr << "drawing '" << char_ << "' font: " << pi.base.fontname << endl;
int const em = mathed_char_width(pi.base.font, 'M');
if (isBinaryOp(char_))
x += static_cast<int>(0.25*em+0.5);
else if (char_ == '\'')
x += static_cast<int>(0.0833*em+0.5);
#if 1
if (char_ == '=' && has_math_fonts) {
FontSetChanger dummy(pi.base, "cmr");
pi.draw(x, y, char_);
} else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
FontSetChanger dummy(pi.base, "cmm");
pi.draw(x, y, char_);
} else if (!slanted(char_) && pi.base.fontname == "mathnormal") {
ShapeChanger dummy(pi.base.font, UP_SHAPE);
pi.draw(x, y, char_);
} else {
pi.draw(x, y, char_);
}
#else
drawChar(pain, font_, x, y, char_);
#endif
}
void InsetMathChar::metrics(MetricsInfo & mi, Dimension & dim) const
{
#if 1
if (char_ == '=' && has_math_fonts) {
FontSetChanger dummy(mi.base, "cmr");
dim = theFontMetrics(mi.base.font).dimension(char_);
} else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
FontSetChanger dummy(mi.base, "cmm");
dim = theFontMetrics(mi.base.font).dimension(char_);
} else if (!slanted(char_) && mi.base.fontname == "mathnormal") {
ShapeChanger dummy(mi.base.font, UP_SHAPE);
dim = theFontMetrics(mi.base.font).dimension(char_);
} else {
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
dim = fm.dimension(char_);
kerning_ = fm.rbearing(char_) - dim.wid;
}
int const em = mathed_char_width(mi.base.font, 'M');
if (isBinaryOp(char_))
dim.wid += static_cast<int>(0.5*em+0.5);
else if (char_ == '\'')
dim.wid += static_cast<int>(0.1667*em+0.5);
#else
whichFont(font_, code_, mi);
dim = theFontMetrics(font_).dimension(char_);
if (isBinaryOp(char_, code_))
dim.wid += 2 * theFontMetrics(font_).width(' ');
lyxerr << "InsetMathChar::metrics: " << dim << endl;
#endif
}
void InsetMathSymbol::metrics(MetricsInfo & mi, Dimension & dim) const
{
//lyxerr << "metrics: symbol: '" << sym_->name
// << "' in font: '" << sym_->inset
// << "' drawn as: '" << sym_->draw
// << "'" << endl;
int const em = mathed_char_width(mi.base.font, 'M');
FontSetChanger dummy(mi.base, sym_->inset);
mathed_string_dim(mi.base.font, sym_->draw, dim);
docstring::const_reverse_iterator rit = sym_->draw.rbegin();
kerning_ = mathed_char_kerning(mi.base.font, *rit);
// correct height for broken cmex and wasy font
if (sym_->inset == "cmex" || sym_->inset == "wasy") {
h_ = 4 * dim.des / 5;
dim.asc += h_;
dim.des -= h_;
}
// seperate things a bit
if (isRelOp())
dim.wid += static_cast<int>(0.5 * em + 0.5);
else
dim.wid += static_cast<int>(0.1667 * em + 0.5);
scriptable_ = false;
if (mi.base.style == LM_ST_DISPLAY)
if (sym_->inset == "cmex" || sym_->inset == "esint" ||
sym_->extra == "funclim")
scriptable_ = true;
}
void InsetMathSymbol::draw(PainterInfo & pi, int x, int y) const
{
//lyxerr << "metrics: symbol: '" << sym_->name
// << "' in font: '" << sym_->inset
// << "' drawn as: '" << sym_->draw
// << "'" << endl;
int const em = mathed_char_width(pi.base.font, 'M');
if (isRelOp())
x += static_cast<int>(0.25*em+0.5);
else
x += static_cast<int>(0.0833*em+0.5);
FontSetChanger dummy(pi.base, sym_->inset.c_str());
pi.draw(x, y - h_, sym_->draw);
}
