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d5905fabf6
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1519 a592a061-630c-0410-9148-cb99ea01b6c8
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
#include <config.h>
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#include "math_sqrtinset.h"
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#include "math_iter.h"
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#include "LColor.h"
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#include "Painter.h"
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#include "support.h"
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#include "support/LOstream.h"
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using std::ostream;
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MathSqrtInset::MathSqrtInset(short st)
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: MathParInset(st, "sqrt", LM_OT_SQRT) {}
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MathedInset * MathSqrtInset::Clone()
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{
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MathSqrtInset * p = new MathSqrtInset(GetStyle());
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MathedIter it(array);
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p->SetData(it.Copy());
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return p;
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}
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bool MathSqrtInset::Inside(int x, int y)
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{
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return x >= xo() - hmax
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&& x <= xo() + width - hmax
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&& y <= yo() + descent
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&& y >= yo() - ascent;
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}
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void
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MathSqrtInset::draw(Painter & pain, int x, int y)
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{
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MathParInset::draw(pain, x + hmax + 2, y);
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int h = ascent;
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int d = descent;
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int h2 = Height() / 2;
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int w2 = (Height() > 4 * hmax) ? hmax : hmax / 2;
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int xp[4], yp[4];
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xp[0] = x + hmax + wbody; yp[0] = y - h;
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xp[1] = x + hmax; yp[1] = y - h;
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xp[2] = x + w2; yp[2] = y + d;
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xp[3] = x; yp[3] = y + d - h2;
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pain.lines(xp, yp, 4, LColor::mathline);
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}
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void
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MathSqrtInset::Metrics()
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{
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MathParInset::Metrics();
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ascent += 4;
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descent += 2;
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int a, b;
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hmax = mathed_char_height(LM_TC_VAR, size(), 'I', a, b);
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if (hmax < 10) hmax = 10;
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wbody = width + 4;
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width += hmax + 4;
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}
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void MathSqrtInset::Write(ostream & os, bool fragile)
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{
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os << '\\' << name << '{';
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MathParInset::Write(os, fragile);
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os << '}';
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}
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