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143 lines
3.1 KiB
C++
143 lines
3.1 KiB
C++
/**
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* \file InsetMathSqrt.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 André Pönitz
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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 "InsetMathSqrt.h"
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#include "MathData.h"
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#include "MathStream.h"
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#include "MathSupport.h"
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#include "LaTeXFeatures.h"
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#include "MetricsInfo.h"
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#include "TextPainter.h"
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#include "frontends/Painter.h"
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namespace lyx {
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InsetMathSqrt::InsetMathSqrt(Buffer * buf)
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: InsetMathNest(buf, 1)
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{}
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Inset * InsetMathSqrt::clone() const
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{
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return new InsetMathSqrt(*this);
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}
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void InsetMathSqrt::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Changer dummy = mi.base.changeEnsureMath();
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cell(0).metrics(mi, dim);
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// make sure that the dim is high enough for any character
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Dimension fontDim;
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math_font_max_dim(mi.base.font, fontDim.asc, fontDim.des);
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dim += fontDim;
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// Some room for the decoration
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dim.asc += 1;
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dim.wid += 7;
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}
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void InsetMathSqrt::draw(PainterInfo & pi, int x, int y) const
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{
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Changer dummy = pi.base.changeEnsureMath();
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cell(0).draw(pi, x + 9, y);
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Dimension const dim = dimension(*pi.base.bv);
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int const a = dim.ascent();
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int const d = dim.descent();
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int xp[3];
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int yp[3];
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pi.pain.line(x + dim.width(), y - a + 1,
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x + 7, y - a + 1, pi.base.font.color());
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xp[0] = x + 7; yp[0] = y - a + 1;
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xp[1] = x + 4; yp[1] = y + d - 1;
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xp[2] = x; yp[2] = y + (d - a)/2;
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pi.pain.lines(xp, yp, 3, pi.base.font.color());
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}
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void InsetMathSqrt::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
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{
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cell(0).metricsT(mi, dim);
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dim.asc += 1;
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dim.wid += 2;
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}
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void InsetMathSqrt::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
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{
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/*
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cell(0).drawT(pain, x + 2, y);
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Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
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pain.horizontalLine(x + 2, y - dim0.ascent(), dim0.width(), '_');
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pain.verticalLine (x + 1, y - dim0.ascent() + 1, dim0.height());
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pain.draw(x, y + dim0.descent(), '\\');
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*/
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}
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void InsetMathSqrt::write(WriteStream & os) const
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{
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MathEnsurer ensurer(os);
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os << "\\sqrt{" << cell(0) << '}';
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}
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void InsetMathSqrt::normalize(NormalStream & os) const
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{
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os << "[sqrt " << cell(0) << ']';
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}
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void InsetMathSqrt::maple(MapleStream & os) const
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{
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os << "sqrt(" << cell(0) << ')';
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}
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void InsetMathSqrt::mathematica(MathematicaStream & os) const
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{
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os << "Sqrt[" << cell(0) << ']';
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}
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void InsetMathSqrt::octave(OctaveStream & os) const
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{
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os << "sqrt(" << cell(0) << ')';
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}
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void InsetMathSqrt::mathmlize(MathStream & os) const
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{
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os << MTag("msqrt") << cell(0) << ETag("msqrt");
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}
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void InsetMathSqrt::htmlize(HtmlStream & os) const
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{
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os << MTag("span", "class='sqrt'")
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<< from_ascii("√")
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<< MTag("span", "class='sqrtof'") << cell(0) << ETag("span")
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<< ETag("span");
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}
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void InsetMathSqrt::validate(LaTeXFeatures & features) const
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{
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if (features.runparams().math_flavor == OutputParams::MathAsHTML)
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features.addCSSSnippet("span.sqrtof{border-top: thin solid black;}");
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InsetMathNest::validate(features);
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}
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} // namespace lyx
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