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74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
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#include <config.h>
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#include "math_decorationinset.h"
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#include "math_iter.h"
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#include "mathed/support.h"
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#include "math_parser.h"
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bool MathDecorationInset::GetLimits() const
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{
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return deco == LM_underbrace || deco == LM_overbrace;
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}
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MathDecorationInset::MathDecorationInset(int d, short st)
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: MathParInset(st, "", LM_OT_DECO), deco(d)
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{
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upper = (deco!= LM_underline && deco!= LM_underbrace);
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}
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MathedInset * MathDecorationInset::Clone()
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{
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MathDecorationInset * p = new MathDecorationInset(deco, 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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void
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MathDecorationInset::draw(Painter & pain, int x, int y)
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{
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MathParInset::draw(pain, x + (width - dw) / 2, y);
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mathed_draw_deco(pain, x, y + dy, width, dh, deco);
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}
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void
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MathDecorationInset::Metrics()
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{
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int h = 2*mathed_char_height(LM_TC_VAR, size, 'I', ascent, descent);
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MathParInset::Metrics();
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int w = Width()+4;
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if (w<16) w = 16;
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dh = w/5;
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if (dh>h) dh = h;
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if (upper) {
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ascent += dh+2;
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dy = -ascent;
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} else {
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dy = descent+2;
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descent += dh+4;
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}
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dw = width;
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width = w;
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}
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void MathDecorationInset::Write(ostream & os, bool fragile)
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{
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latexkeys * l = lm_get_key_by_id(deco, LM_TK_WIDE);
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if (fragile &&
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(strcmp(l->name, "overbrace") == 0 ||
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strcmp(l->name, "underbrace") == 0 ||
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strcmp(l->name, "overleftarrow") == 0 ||
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strcmp(l->name, "overrightarrow") == 0))
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os << "\\protect";
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os << '\\' << l->name << '{';
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MathParInset::Write(os, fragile);
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os << '}';
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}
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