Doc: compile qimagewriter snippet

Done-with: Nico Vertriest <nico.vertriest@qt.io>
Task-number: QTBUG-81486
Change-Id: Ibb4087d7035c3061b2980b317ab4280fa38aab50
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

1 files changed, 11 insertions, 16 deletions

diff --git a/src/gui/doc/snippets/qimagewriter/main.cpp b/src/gui/doc/snippets/qimagewriter/main.cpp
index 3758110356..2b8046c332 100644
--- a/src/gui/doc/snippets/qimagewriter/main.cpp
+++ b/src/gui/doc/snippets/qimagewriter/main.cpp
@@ -47,25 +47,20 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
-
 #include <QtGui>
 
-int main(int argc, char **argv)
-{
-    QApplication app(argc, argv);
-
+void wrapper() {
 //! [0]
-    QString imagePath(QStringLiteral("path/image.jpeg"));
-    QImage image(64, 64, QImage::Format_RGB32);
-    image.fill(Qt::red);
-    {
-        QImageWriter writer(imagePath);
-        writer.write(image);
-    }
+QString imagePath(QStringLiteral("path/image.jpeg"));
+QImage image(64, 64, QImage::Format_RGB32);
+image.fill(Qt::red);
+{
+    QImageWriter writer(imagePath);
+    writer.write(image);
+}
 
-    QFile::rename(imagePath,
-                  QStringLiteral("path/other_image.jpeg"));
+QFile::rename(imagePath,
+              QStringLiteral("path/other_image.jpeg"));
 //! [0]
 
-    return 0;
-}
+} // wrapper