lyx_mirror/src/mathed/InsetMathSize.cpp
Richard Heck 38b9a4530e New methods in LaTeXFeatures specifically for collection of CSS
information on XHTML output.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40407 a592a061-630c-0410-9148-cb99ea01b6c8
2011-12-06 22:17:13 +00:00

119 lines
2.8 KiB
C++

/**
* \file InsetMathSize.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetMathSize.h"
#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathParser.h"
#include "MathStream.h"
#include "output_xhtml.h"
#include "support/convert.h"
#include <string>
#include <ostream>
using namespace std;
namespace lyx {
InsetMathSize::InsetMathSize(Buffer * buf, latexkeys const * l)
: InsetMathNest(buf, 1), key_(l), style_(Styles(convert<int>(l->extra)))
{}
Inset * InsetMathSize::clone() const
{
return new InsetMathSize(*this);
}
void InsetMathSize::metrics(MetricsInfo & mi, Dimension & dim) const
{
StyleChanger dummy(mi.base, style_);
cell(0).metrics(mi, dim);
metricsMarkers(dim);
}
void InsetMathSize::draw(PainterInfo & pi, int x, int y) const
{
StyleChanger dummy(pi.base, style_);
cell(0).draw(pi, x + 1, y);
drawMarkers(pi, x, y);
}
void InsetMathSize::write(WriteStream & os) const
{
MathEnsurer ensurer(os);
os << "{\\" << key_->name << ' ' << cell(0) << '}';
}
// From the MathML documentation:
// MathML uses two attributes, displaystyle and scriptlevel, to control
// orthogonal presentation features that TeX encodes into one "style"
// attribute with values \displaystyle, \textstyle, \scriptstyle, and
// \scriptscriptstyle. The corresponding values of displaystyle and scriptlevel
// for those TeX styles would be "true" and "0", "false" and "0", "false" and "1",
// and "false" and "2", respectively.
void InsetMathSize::mathmlize(MathStream & ms) const
{
string const & name = to_utf8(key_->name);
bool dispstyle = (name == "displaystyle");
int scriptlevel = 0;
if (name == "scriptstyle")
scriptlevel = 1;
else if (name == "scriptscriptstyle")
scriptlevel = 2;
stringstream attrs;
attrs << "displaystyle='" << (dispstyle ? "true" : "false")
<< "' scriptlevel='" << scriptlevel << "'";
ms << MTag("mstyle", attrs.str()) << ">"
<< cell(0) << ETag("mstyle");
}
void InsetMathSize::htmlize(HtmlStream & os) const
{
string const & name = to_utf8(key_->name);
os << MTag("span", "class='" + name + "'")
<< cell(0) << ETag("span");
}
void InsetMathSize::normalize(NormalStream & os) const
{
os << '[' << key_->name << ' ' << cell(0) << ']';
}
void InsetMathSize::infoize(odocstream & os) const
{
os << "Size: " << key_->name;
}
void InsetMathSize::validate(LaTeXFeatures & features) const
{
if (features.runparams().math_flavor == OutputParams::MathAsHTML)
features.addCSSSnippet(
"span.displaystyle, span.textstyle{font-size: normal;}\n"
"span.scriptstyle {font-size: small;}\n"
"span.scriptscriptstyle {font-size: x-small;}");
InsetMathNest::validate(features);
}
} // namespace lyx