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-rw-r--r--src/gui/image/qicon.cpp28
1 files changed, 23 insertions, 5 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index 681e7e3f79..1e4a9ebe8c 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
@@ -989,10 +989,16 @@ void QIcon::addPixmap(const QPixmap &pixmap, Mode mode, State state)
QImageWriter::supportedImageFormats() functions to retrieve a
complete list of the supported file formats.
- Note: When you add a non-empty filename to a QIcon, the icon becomes
+ If a high resolution version of the image exists (identified by
+ the suffix \c @2x on the base name), it is automatically loaded
+ and added with the \e{device pixel ratio} set to a value of 2.
+ This can be disabled by setting the environment variable
+ \c QT_HIGHDPI_DISABLE_2X_IMAGE_LOADING (see QImageReader).
+
+ \note When you add a non-empty filename to a QIcon, the icon becomes
non-null, even if the file doesn't exist or points to a corrupt file.
- \sa addPixmap()
+ \sa addPixmap(), QPixmap::devicePixelRatio()
*/
void QIcon::addFile(const QString &fileName, const QSize &size, Mode mode, State state)
{
@@ -1321,8 +1327,20 @@ QDataStream &operator>>(QDataStream &s, QIcon &icon)
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const QIcon &i)
{
- dbg.nospace() << "QIcon(" << i.name() << ')';
- return dbg.space();
+ QDebugStateSaver saver(dbg);
+ dbg.resetFormat();
+ dbg.nospace();
+ dbg << "QIcon(";
+ if (i.isNull()) {
+ dbg << "null";
+ } else {
+ if (!i.name().isEmpty())
+ dbg << i.name() << ',';
+ dbg << "availableSizes[normal,Off]=" << i.availableSizes()
+ << ",cacheKey=" << showbase << hex << i.cacheKey() << dec << noshowbase;
+ }
+ dbg << ')';
+ return dbg;
}
#endif