AuroraMiddleware/qt5base-lts
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Correct qt_defaultDpi X/Y with just a QCoreApplication

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Makes the 96DPI attribute check avoid undefined behavior by using
QCoreApplication::instance() directly, instead of calling through
qApp, which performs an invalid cast to QGuiApplication.

Change-Id: Ib86e7d2461b462a2d623f1364414f7d4d2293f22
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
This commit is contained in:
Allan Sandfeld Jensen 2016-03-15 16:07:11 +01:00
parent e7cd32274e
commit f8f3f0fbd4
1 changed files with 2 additions and 2 deletions
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4
src/gui/text/qfont.cpp
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@ -131,7 +131,7 @@ extern bool qt_is_gui_used;
Q_GUI_EXPORT int qt_defaultDpiX()
{
if (qApp->testAttribute(Qt::AA_Use96Dpi))
if (QCoreApplication::instance()->testAttribute(Qt::AA_Use96Dpi))
return 96;
if (!qt_is_gui_used)
@ -146,7 +146,7 @@ Q_GUI_EXPORT int qt_defaultDpiX()
Q_GUI_EXPORT int qt_defaultDpiY()
{
if (qApp->testAttribute(Qt::AA_Use96Dpi))
if (QCoreApplication::instance()->testAttribute(Qt::AA_Use96Dpi))
return 96;
if (!qt_is_gui_used)