QtSupport: Use QImage::fromData instead of QImageReader

QImage offers this convenience shortcut since Qt 6.2.

Change-Id: Ia1b286597ed13bcadeb663cf80b3dd3da964c5b7
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

1 files changed, 3 insertions, 7 deletions

diff --git a/src/plugins/qtsupport/exampleslistmodel.cpp b/src/plugins/qtsupport/exampleslistmodel.cpp
index 6835ec6000..3254df00a9 100644
--- a/src/plugins/qtsupport/exampleslistmodel.cpp
+++ b/src/plugins/qtsupport/exampleslistmodel.cpp
@@ -9,7 +9,6 @@
 #include <QApplication>
 #include <QDir>
 #include <QFile>
-#include <QImageReader>
 #include <QPixmapCache>
 #include <QUrl>
 
@@ -244,13 +243,10 @@ static QPixmap fetchPixmapAndUpdatePixmapCache(const QString &url)
         return pixmap;
 
     if (url.startsWith("qthelp://")) {
-        QByteArray fetchedData = Core::HelpManager::fileData(url);
+        const QByteArray fetchedData = Core::HelpManager::fileData(url);
         if (!fetchedData.isEmpty()) {
-            QBuffer imgBuffer(&fetchedData);
-            imgBuffer.open(QIODevice::ReadOnly);
-            QImageReader reader(&imgBuffer, QFileInfo(url).suffix().toLatin1());
-            QImage img = reader.read();
-            img.convertTo(QImage::Format_RGB32);
+            const QImage img = QImage::fromData(fetchedData, QFileInfo(url).suffix().toLatin1())
+                                   .convertToFormat(QImage::Format_RGB32);
             const int dpr = qApp->devicePixelRatio();
             // boundedTo -> don't scale thumbnails up
             const QSize scaledSize =