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); }