QmlDesigner.NodeInstances: Create effect items only in the render process

Change-Id: I0506bf898582ba8e26a22f51737eae4d82f06c63
Reviewed-on: http://codereview.qt.nokia.com/4004
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5rendernodeinstanceserver.cpp

@@ -60,6 +60,8 @@
 #include "completecomponentcommand.h"
 #include "componentcompletedcommand.h"
 #include "createscenecommand.h"
+#include "sgitemnodeinstance.h"
+
 
 #include "dummycontextobject.h"
 
@@ -70,6 +72,7 @@ namespace QmlDesigner {
 Qt5RenderNodeInstanceServer::Qt5RenderNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
     Qt5NodeInstanceServer(nodeInstanceClient)
 {
+    Internal::SGItemNodeInstance::createEffectItem(true);
 }
 
 void Qt5RenderNodeInstanceServer::collectItemChangesAndSendChangeCommands()

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.cpp

@@ -45,6 +45,8 @@
 namespace QmlDesigner {
 namespace Internal {
 
+bool SGItemNodeInstance::s_createEffectItem = false;
+
 SGItemNodeInstance::SGItemNodeInstance(QSGItem *item)
    : ObjectNodeInstance(item),
      m_hasHeight(false),
@@ -186,23 +188,27 @@ bool SGItemNodeInstance::equalSGItem(QSGItem *item) const
 
 void SGItemNodeInstance::updateDirtyNodeRecursive(QSGItem *parentItem) const
 {
-    DesignerSupport::updateDirtyNode(parentItem);
-
     foreach (QSGItem *childItem, parentItem->childItems()) {
         if (!nodeInstanceServer()->hasInstanceForObject(childItem))
             updateDirtyNodeRecursive(childItem);
     }
+
+    DesignerSupport::updateDirtyNode(parentItem);
 }
 
 QImage SGItemNodeInstance::renderImage() const
 {
     updateDirtyNodeRecursive(sgItem());
 
-    QImage image = designerSupport()->renderImageForItem(sgItem(), boundingRectWithStepChilds(sgItem()));
+    QRectF boundingRect = boundingRectWithStepChilds(sgItem());
 
-    image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
+    QImage renderImage = designerSupport()->renderImageForItem(sgItem(), boundingRect, boundingRect.size().toSize());
 
-    return image;
+    qDebug() << __FUNCTION__ << renderImage.size();
+
+    renderImage = renderImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
+
+    return renderImage;
 }
 
 bool SGItemNodeInstance::isMovable() const
@@ -244,7 +250,9 @@ void SGItemNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNod
         sgItem()->setParentItem(qobject_cast<QSGItem*>(nodeInstanceServer()->sgView()->rootObject()));
     }
 
-    designerSupport()->refFromEffectItem(sgItem());
+    if (s_createEffectItem || instanceId() == 0)
+        designerSupport()->refFromEffectItem(sgItem());
+
     ObjectNodeInstance::initialize(objectNodeInstance);
     sgItem()->update();
 }
@@ -311,6 +319,8 @@ QRectF SGItemNodeInstance::boundingRect() const
 
 void SGItemNodeInstance::setPropertyVariant(const QString &name, const QVariant &value)
 {
+    if (name == "width" || name == "height")
+        qDebug() << __FUNCTION__ << name << value;
     if (name == "state")
         return; // states are only set by us
 
@@ -583,6 +593,11 @@ Qt5NodeInstanceServer *SGItemNodeInstance::qt5NodeInstanceServer() const
     return qobject_cast<Qt5NodeInstanceServer*>(nodeInstanceServer());
 }
 
+void SGItemNodeInstance::createEffectItem(bool createEffectItem)
+{
+    s_createEffectItem = createEffectItem;
+}
+
 } // namespace Internal
 } // namespace QmlDesigner
 

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.h

@@ -109,6 +109,8 @@ public:
     DesignerSupport *designerSupport() const;
     Qt5NodeInstanceServer *qt5NodeInstanceServer() const;
 
+    static void createEffectItem(bool createEffectItem);
+
 protected:
     SGItemNodeInstance(QSGItem*);
     QSGItem *sgItem() const;
@@ -128,6 +130,7 @@ private: //variables
     double m_y;
     double m_width;
     double m_height;
+    static bool s_createEffectItem;
 };
 
 } // namespace Internal