Qt 6.x
The Qt SDK
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qicon.h File Reference
#include <QtGui/qtguiglobal.h>
#include <QtCore/qsize.h>
#include <QtCore/qlist.h>
#include <QtGui/qpixmap.h>
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Classes

class  QIcon
 The QIcon class provides scalable icons in different modes and states. More...
 

Functions

Q_GUI_EXPORT QDataStreamoperator<< (QDataStream &, const QIcon &)
 
Q_GUI_EXPORT QDataStreamoperator>> (QDataStream &, QIcon &)
 
Q_GUI_EXPORT QDebug operator<< (QDebug dbg, const QIcon &)
 
Q_GUI_EXPORT QString qt_findAtNxFile (const QString &baseFileName, qreal targetDevicePixelRatio, qreal *sourceDevicePixelRatio=nullptr)
 

Function Documentation

◆ operator<<() [1/2]

Q_GUI_EXPORT QDataStream & operator<< ( QDataStream s,
const QIcon icon 
)
related

Definition at line 99 of file qicon.cpp.

◆ operator<<() [2/2]

Q_GUI_EXPORT QDebug operator<< ( QDebug  dbg,
const QIcon i 
)

Definition at line 1487 of file qicon.cpp.

References Qt::dec(), Qt::hex(), i, Qt::noshowbase(), and Qt::showbase().

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◆ operator>>()

Q_GUI_EXPORT QDataStream & operator>> ( QDataStream s,
QIcon icon 
)
related

Definition at line 100 of file qicon.cpp.

◆ qt_findAtNxFile()

Q_GUI_EXPORT QString qt_findAtNxFile ( const QString baseFileName,
qreal  targetDevicePixelRatio,
qreal sourceDevicePixelRatio 
)
Since
5.6 Attempts to find a suitable @Nx file for the given targetDevicePixelRatio Returns the baseFileName if no such file was found.

Given base foo.png and a target dpr of 2.5, this function will look for foo@3.nosp@m.x.pn.nosp@m.g, then foo@2x, then fall back to foo.png if not found.

sourceDevicePixelRatio will be set to the value of N if the argument is not \nullptr

Definition at line 1528 of file qicon.cpp.

References QFile::exists(), QString::insert(), QString::lastIndexOf(), qCeil(), qEnvironmentVariableIsEmpty(), qMin(), and QString::size().

Referenced by QIcon::addFile(), findAtNxFileOrResource(), and QQuickImageBase::resolve2xLocalFile().

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