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InsetMathFrac.cpp: some code optimization

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29133 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Uwe Stöhr 2009-04-07 01:02:34 +00:00
parent 48236d215c
commit 23f9e34a08
1 changed files with 25 additions and 57 deletions
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82
src/mathed/InsetMathFrac.cpp
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@ -157,38 +157,24 @@ void InsetMathFrac::metrics(MetricsInfo & mi, Dimension & dim) const
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = dim0.height() + 5;
dim.des = dim1.height() - 5;
} else if (kind_ == CFRAC || kind_ == CFRACLEFT
|| kind_ == CFRACRIGHT) {
// cfrac is always in display size
StyleChanger dummy2(mi.base, LM_ST_DISPLAY);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
dim.wid = max(dim0.wid, dim1.wid) + 2;
dim.asc = dim0.height() + 2 + 5;
dim.des = dim1.height() + 2 - 5;
} else if (kind_ == UNITFRAC) {
ShapeChanger dummy2(mi.base.font, UP_SHAPE);
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = dim0.height() + 5;
dim.des = dim1.height() - 5;
} else if (kind_ == DFRAC) {
// dfrac is in always in display size
StyleChanger dummy2(mi.base, LM_ST_DISPLAY);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
dim.wid = max(dim0.wid, dim1.wid) + 2;
dim.asc = dim0.height() + 2 + 5;
dim.des = dim1.height() + 2 - 5;
} else if (kind_ == TFRAC) {
// tfrac is in always in text size
StyleChanger dummy2(mi.base, LM_ST_SCRIPT);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
dim.wid = max(dim0.wid, dim1.wid) + 2;
dim.asc = dim0.height() + 2 + 5;
dim.des = dim1.height() + 2 - 5;
} else {
// FRAC
if (kind_ == CFRAC || kind_ == CFRACLEFT
|| kind_ == CFRACRIGHT || kind_ == DFRAC) {
// \cfrac and \dfrac are in always in display size
StyleChanger dummy2(mi.base, LM_ST_DISPLAY);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
} else if (kind_ == TFRAC) {
// tfrac is in always in text size
StyleChanger dummy2(mi.base, LM_ST_SCRIPT);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
}
dim.wid = max(dim0.wid, dim1.wid) + 2;
dim.asc = dim0.height() + 2 + 5;
dim.des = dim1.height() + 2 - 5;
@ -227,6 +213,7 @@ void InsetMathFrac::draw(PainterInfo & pi, int x, int y) const
} else {
FracChanger dummy(pi.base);
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
if (kind_ == NICEFRAC) {
cell(0).draw(pi, x + 2,
y - dim0.des - 5);
@ -234,45 +221,26 @@ void InsetMathFrac::draw(PainterInfo & pi, int x, int y) const
y + dim1.asc / 2);
} else if (kind_ == UNITFRAC) {
ShapeChanger dummy2(pi.base.font, UP_SHAPE);
cell(0).draw(pi, x + 2,
y - dim0.des - 5);
cell(1).draw(pi, x + dim0.width() + 5,
y + dim1.asc / 2);
} else if (kind_ == CFRAC || kind_ == CFRACLEFT
|| kind_ == CFRACRIGHT) {
// cfrac is always in display size
StyleChanger dummy2(pi.base, LM_ST_DISPLAY);
Dimension const dim0 = cell(0).dimension(*pi.base.bv);
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
if (kind_ == CFRAC)
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
else if (kind_ == CFRACLEFT)
cell(0).draw(pi, x + 2, y - dim0.des - 2 - 5);
else if (kind_ == CFRACRIGHT)
cell(0).draw(pi, x + dim.wid - dim0.wid - 2,
y - dim0.des - 2 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
} else if (kind_ == DFRAC) {
// dfrac is in always in display size
StyleChanger dummy2(pi.base, LM_ST_DISPLAY);
//Dimension const dim = dimension(*pi.base.bv);
Dimension const dim0 = cell(0).dimension(*pi.base.bv);
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
cell(0).draw(pi, x + 2, y - dim0.des - 5);
cell(1).draw(pi, x + dim0.width() + 5, y + dim1.asc / 2);
} else if (kind_ == FRAC) {
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
} else if (kind_ == TFRAC) {
// tfrac is in always in text size
StyleChanger dummy2(pi.base, LM_ST_SCRIPT);
Dimension const dim0 = cell(0).dimension(*pi.base.bv);
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
} else {
// FRAC
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
// \cfrac and \dfrac are always in display size
StyleChanger dummy2(pi.base, LM_ST_DISPLAY);
if (kind_ == CFRAC || kind_ == DFRAC)
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
else if (kind_ == CFRACLEFT)
cell(0).draw(pi, x + 2, y - dim0.des - 2 - 5);
else if (kind_ == CFRACRIGHT)
cell(0).draw(pi, x + dim.wid - dim0.wid - 2,
y - dim0.des - 2 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
}
}