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* avoid one malloc by using a static array

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18422 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stefan Schimanski 2007-05-19 13:15:08 +00:00
parent 1c7ceb1668
commit 17544b1fa8
1 changed files with 4 additions and 3 deletions
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7
src/frontends/qt4/QLPainter.cpp
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@ -114,8 +114,9 @@ void QLPainter::lines(int const * xp, int const * yp, int np,
if (!isDrawingEnabled())
return;
// Must use new as np is not known at compile time.
boost::scoped_array<QPoint> points(new QPoint[np]);
// increase the size if needed, but avoid mallocs by dynamic allocation
static QPoint points[16];
BOOST_ASSERT(np < 16);
bool antialias = false;
for (int i = 0; i < np; ++i) {
@ -127,7 +128,7 @@ void QLPainter::lines(int const * xp, int const * yp, int np,
setQPainterPen(col, ls, lw);
bool const text_is_antialiased = renderHints() & TextAntialiasing;
setRenderHint(Antialiasing, antialias && text_is_antialiased);
drawPolyline(points.get(), np);
drawPolyline(points, np);
setRenderHint(Antialiasing, false);
}