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QFontDatabase: Optimize QtFontStyle::Key::Key(). 

Similar to 46b2c74eaf, skip the translations at
all costs. They allocate, and are very expensive. To ensure we try harder to
skip them, also avoid checking styles at all unless one has been provided.

This increases delegates_text from 209 items to 221 items for me.

Change-Id: Ia18b07de7b48cee356e9506a0c5d7129621d79d2
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
bb10
Robin Burchell 2015-02-13 21:56:33 +01:00 committed by Konstantin Ritt
parent 071b286756
commit 5a23fcfa8a
1 changed files with 13 additions and 6 deletions
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19
src/gui/text/qfontdatabase.cpp
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@ -251,12 +251,19 @@ QtFontStyle::Key::Key(const QString &styleString)
{
weight = getFontWeight(styleString);
if (styleString.contains(QLatin1String("Italic"))
|| styleString.contains(QCoreApplication::translate("QFontDatabase", "Italic")))
style = QFont::StyleItalic;
else if (styleString.contains(QLatin1String("Oblique"))
|| styleString.contains(QCoreApplication::translate("QFontDatabase", "Oblique")))
style = QFont::StyleOblique;
if (!styleString.isEmpty()) {
// First the straightforward no-translation checks, these are fast.
if (styleString.contains(QLatin1String("Italic")))
style = QFont::StyleItalic;
else if (styleString.contains(QLatin1String("Oblique")))
style = QFont::StyleOblique;
// Then the translation checks. These aren't as fast.
else if (styleString.contains(QCoreApplication::translate("QFontDatabase", "Italic")))
style = QFont::StyleItalic;
else if (styleString.contains(QCoreApplication::translate("QFontDatabase", "Oblique")))
style = QFont::StyleOblique;
}
}
QtFontSize *QtFontStyle::pixelSize(unsigned short size, bool add)