QQuickIcon: Add support to cache a pixmap

[ChangeLog][Controls] Added cache property to icon.

Change-Id: I9b3410e74ab8962d039939a8e005a2aff8e026cb
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/quickcontrols2/qquickiconlabel.cpp b/src/quickcontrols2/qquickiconlabel.cpp
index 37e6060a..b246621b 100644
--- a/src/quickcontrols2/qquickiconlabel.cpp
+++ b/src/quickcontrols2/qquickiconlabel.cpp
@@ -81,6 +81,7 @@ bool QQuickIconLabelPrivate::createImage()
     image->setSource(icon.source());
     image->setSourceSize(QSize(icon.width(), icon.height()));
     image->setColor(icon.color());
+    image->setCache(icon.cache());
     QQmlEngine::setContextForObject(image, qmlContext(q));
     if (componentComplete)
         completeComponent(image);
@@ -114,6 +115,7 @@ void QQuickIconLabelPrivate::syncImage()
     image->setSource(icon.source());
     image->setSourceSize(QSize(icon.width(), icon.height()));
     image->setColor(icon.color());
+    image->setCache(icon.cache());
     const int valign = alignment & Qt::AlignVertical_Mask;
     image->setVerticalAlignment(static_cast<QQuickImage::VAlignment>(valign));
     const int halign = alignment & Qt::AlignHorizontal_Mask;