Doc: Compile image snippets

Fix minor issues (e.g. whitespace, missing semi-colon) in passing.
Update documentation to use same snippet to avoid duplication of
snippets across snippet files. Remove offending snippet.

Done-with: Nico Vertriest <nico.vertriest@qt.io>
Task-number: QTBUG-81486
Change-Id: Ia45549d50e8f4e22ce72667a19c38132306d38b3
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/gui/doc/snippets/code/src_gui_image_qimagereader.cpp b/src/gui/doc/snippets/code/src_gui_image_qimagereader.cpp
index ac26126758..88330523b3 100644
--- a/src/gui/doc/snippets/code/src_gui_image_qimagereader.cpp
+++ b/src/gui/doc/snippets/code/src_gui_image_qimagereader.cpp
@@ -47,12 +47,19 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
+#include <QImage>
+#include <QImageReader>
+
+namespace src_gui_image_qimagereader {
+void wrapper0() {
 
 //! [0]
 QImageReader reader;
 reader.setFormat("png"); // same as reader.setFormat("PNG");
 //! [0]
 
+} // wrapper0
+
 
 //! [1]
 QImageReader reader("image.png");
@@ -60,6 +67,8 @@ QImageReader reader("image.png");
 //! [1]
 
 
+void wrapper1() {
+
 //! [2]
 QImage icon(64, 64, QImage::Format_RGB32);
 QImageReader reader("icon_64x64.bmp");
@@ -68,9 +77,16 @@ if (reader.read(&icon)) {
 }
 //! [2]
 
+} // wrapper1
+
+
+void wrapper2() {
 
 //! [3]
 QImageReader reader(":/image.png");
 if (reader.supportsOption(QImageIOHandler::Size))
     qDebug() << "Size:" << reader.size();
 //! [3]
+
+} // wrapper2
+} // src_gui_image_qimagereader