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| author | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-06-02 11:50:28 (GMT) |
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| committer | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-06-09 07:30:54 (GMT) |
| commit | d44332954b2a8e66ba4129c230e8ccc65fd972ea (patch) | |
| tree | 328f167af5d4b8e66683e820306695c2bf102845 /doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp | |
| parent | 1b78999dcd5512ce46e2fac20811ad63f3e93ec0 (diff) | |
| download | Qt-d44332954b2a8e66ba4129c230e8ccc65fd972ea.zip Qt-d44332954b2a8e66ba4129c230e8ccc65fd972ea.tar.gz Qt-d44332954b2a8e66ba4129c230e8ccc65fd972ea.tar.bz2 | |
Don't construct new style option objects in a tight loop.
The QStyleOption constructor is expensive, as it allocates a QFont,
a QPalette and a QFontMetrics. By simply reusing a temporary style
option object instead we carve away wasted cycles.
Reviewed-by: Ariya
Diffstat (limited to 'doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp')
0 files changed, 0 insertions, 0 deletions