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authorLiang Qi <liang.qi@qt.io>2020-02-13 09:14:09 +0100
committerAlexandru Croitor <alexandru.croitor@qt.io>2020-02-13 18:31:40 +0100
commit6b2535ea15cdbdb2355416b604f072fc13ff36b2 (patch)
tree4bf1560bab77c8b315850c5337ba31a0ea87b5f0 /examples/widgets/widgets/imageviewer
parent54c2cebabdda0280b8443c6947b6fee02445e138 (diff)
parent67491e2df5357706dbf88ddaf1f030ff095b4528 (diff)
Merge remote-tracking branch 'origin/5.15' into dev
Conflicts: examples/widgets/graphicsview/boxes/scene.h src/corelib/Qt5CoreMacros.cmake src/corelib/Qt6CoreMacros.cmake src/network/ssl/qsslsocket.cpp src/network/ssl/qsslsocket.h src/platformsupport/fontdatabases/windows/qwindowsfontenginedirectwrite.cpp src/testlib/CMakeLists.txt src/testlib/.prev_CMakeLists.txt tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp Disabled building manual tests with CMake for now, because qmake doesn't do it, and it confuses people. Done-With: Alexandru Croitor <alexandru.croitor@qt.io> Done-With: Volker Hilsheimer <volker.hilsheimer@qt.io> Change-Id: I865ae347bd01f4e59f16d007b66d175a52f1f152
Diffstat (limited to 'examples/widgets/widgets/imageviewer')
-rw-r--r--examples/widgets/widgets/imageviewer/imageviewer.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/examples/widgets/widgets/imageviewer/imageviewer.cpp b/examples/widgets/widgets/imageviewer/imageviewer.cpp
index 83cf8bb7bc..7a0f49308b 100644
--- a/examples/widgets/widgets/imageviewer/imageviewer.cpp
+++ b/examples/widgets/widgets/imageviewer/imageviewer.cpp
@@ -200,19 +200,20 @@ void ImageViewer::saveAs()
void ImageViewer::print()
//! [5] //! [6]
{
- Q_ASSERT(imageLabel->pixmap());
-#if QT_CONFIG(printdialog)
+ Q_ASSERT(!imageLabel->pixmap(Qt::ReturnByValue).isNull());
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog)
//! [6] //! [7]
QPrintDialog dialog(&printer, this);
//! [7] //! [8]
if (dialog.exec()) {
QPainter painter(&printer);
+ QPixmap pixmap = imageLabel->pixmap(Qt::ReturnByValue);
QRect rect = painter.viewport();
- QSize size = imageLabel->pixmap()->size();
+ QSize size = pixmap.size();
size.scale(rect.size(), Qt::KeepAspectRatio);
painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
- painter.setWindow(imageLabel->pixmap()->rect());
- painter.drawPixmap(0, 0, *imageLabel->pixmap());
+ painter.setWindow(pixmap.rect());
+ painter.drawPixmap(0, 0, pixmap);
}
#endif
}
@@ -383,9 +384,8 @@ void ImageViewer::updateActions()
void ImageViewer::scaleImage(double factor)
//! [23] //! [24]
{
- Q_ASSERT(imageLabel->pixmap());
scaleFactor *= factor;
- imageLabel->resize(scaleFactor * imageLabel->pixmap()->size());
+ imageLabel->resize(scaleFactor * imageLabel->pixmap(Qt::ReturnByValue).size());
adjustScrollBar(scrollArea->horizontalScrollBar(), factor);
adjustScrollBar(scrollArea->verticalScrollBar(), factor);