Merge branch '4.5' of git@scm.dev.troll.no:qt/qt

2 files changed, 9 insertions, 7 deletions

diff --git a/src/gui/painting/qpaintengine.cpp b/src/gui/painting/qpaintengine.cpp
index ad09060..7de1ec4 100644
--- a/src/gui/painting/qpaintengine.cpp
+++ b/src/gui/painting/qpaintengine.cpp
@@ -949,8 +949,8 @@ void QPaintEngine::setSystemClip(const QRegion &region)
     Q_D(QPaintEngine);
     d->systemClip = region;
     // Be backward compatible and only call d->systemStateChanged()
-    // if we currently have a system transform set.
-    if (d->hasSystemTransform) {
+    // if we currently have a system transform/viewport set.
+    if (d->hasSystemTransform || d->hasSystemViewport) {
         d->transformSystemClip();
         d->systemStateChanged();
     }
diff --git a/src/gui/painting/qpaintengine_p.h b/src/gui/painting/qpaintengine_p.h
index eeba7ec..0b5e175 100644
--- a/src/gui/painting/qpaintengine_p.h
+++ b/src/gui/painting/qpaintengine_p.h
@@ -83,10 +83,12 @@ public:
         if (systemClip.isEmpty())
             return;
 
-        if (systemTransform.type() <= QTransform::TxTranslate)
-            systemClip.translate(qRound(systemTransform.dx()), qRound(systemTransform.dy()));
-        else
-            systemClip = systemTransform.map(systemClip);
+        if (hasSystemTransform) {
+            if (systemTransform.type() <= QTransform::TxTranslate)
+                systemClip.translate(qRound(systemTransform.dx()), qRound(systemTransform.dy()));
+            else
+                systemClip = systemTransform.map(systemClip);
+        }
 
         // Make sure we're inside the viewport.
         if (hasSystemViewport) {
@@ -101,7 +103,7 @@ public:
     inline void setSystemTransform(const QTransform &xform)
     {
         systemTransform = xform;
-        if ((hasSystemTransform = !xform.isIdentity()))
+        if ((hasSystemTransform = !xform.isIdentity()) || hasSystemViewport)
             transformSystemClip();
         systemStateChanged();
     }