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-rw-r--r--src/gui/kernel/qwidget_mac.mm6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 5bce17f..bee93b5 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4682,8 +4682,10 @@ void QWidgetPrivate::syncCocoaMask()
if (!q->testAttribute(Qt::WA_WState_Created) || !extra)
return;
- if (extra->hasMask && extra->maskBits.size() != q->size()) {
- extra->maskBits = QImage(q->size(), QImage::Format_Mono);
+ if (extra->hasMask) {
+ if(extra->maskBits.size() != q->size()) {
+ extra->maskBits = QImage(q->size(), QImage::Format_Mono);
+ }
extra->maskBits.fill(QColor(Qt::color1).rgba());
extra->maskBits.setNumColors(2);
extra->maskBits.setColor(0, QColor(Qt::color0).rgba());