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diff --git a/src/quick/designer/designersupport.h b/src/quick/designer/designersupport.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DESIGNERSUPPORT_H
+#define DESIGNERSUPPORT_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+
+#include <QtQuick/qtquickglobal.h>
+#include <QtCore/QtGlobal>
+#include <QtCore/QHash>
+#include <QtCore/QRectF>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QQuickItem;
+class QQuickShaderEffectTexture;
+class QImage;
+class QTransform;
+class QDeclarativeContext;
+class QQuickView;
+
+
+class Q_QUICK_EXPORT DesignerSupport
+{
+public:
+    enum DirtyType {
+        TransformOrigin         = 0x00000001,
+        Transform               = 0x00000002,
+        BasicTransform          = 0x00000004,
+        Position                = 0x00000008,
+        Size                    = 0x00000010,
+
+        ZValue                  = 0x00000020,
+        Content                 = 0x00000040,
+        Smooth                  = 0x00000080,
+        OpacityValue            = 0x00000100,
+        ChildrenChanged         = 0x00000200,
+        ChildrenStackingChanged = 0x00000400,
+        ParentChanged           = 0x00000800,
+
+        Clip                    = 0x00001000,
+        Canvas                  = 0x00002000,
+
+        EffectReference         = 0x00008000,
+        Visible                 = 0x00010000,
+        HideReference           = 0x00020000,
+
+        TransformUpdateMask     = TransformOrigin | Transform | BasicTransform | Position | Size | Canvas,
+        ComplexTransformUpdateMask     = Transform | Canvas,
+        ContentUpdateMask       = Size | Content | Smooth | Canvas,
+        ChildrenUpdateMask      = ChildrenChanged | ChildrenStackingChanged | EffectReference | Canvas
+    };
+
+
+    DesignerSupport();
+    ~DesignerSupport();
+
+    void refFromEffectItem(QQuickItem *referencedItem, bool hide = true);
+    void derefFromEffectItem(QQuickItem *referencedItem, bool unhide = true);
+
+    QImage renderImageForItem(QQuickItem *referencedItem, const QRectF &boundingRect, const QSize &imageSize);
+
+    static bool isDirty(QQuickItem *referencedItem, DirtyType dirtyType);
+    static void resetDirty(QQuickItem *referencedItem);
+
+    static QTransform canvasTransform(QQuickItem *referencedItem);
+    static QTransform parentTransform(QQuickItem *referencedItem);
+
+    static bool isAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);
+    static bool areChildrenAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);
+    static bool hasAnchor(QQuickItem *item, const QString &name);
+    static QQuickItem *anchorFillTargetItem(QQuickItem *item);
+    static QQuickItem *anchorCenterInTargetItem(QQuickItem *item);
+    static QPair<QString, QObject*> anchorLineTarget(QQuickItem *item, const QString &name, QDeclarativeContext *context);
+    static void resetAnchor(QQuickItem *item, const QString &name);
+
+
+    static QList<QObject*> statesForItem(QQuickItem *item);
+
+    static bool isComponentComplete(QQuickItem *item);
+
+    static int borderWidth(QQuickItem *item);
+
+    static void refreshExpressions(QDeclarativeContext *context);
+
+    static void setRootItem(QQuickView *view, QQuickItem *item);
+
+    static bool isValidWidth(QQuickItem *item);
+    static bool isValidHeight(QQuickItem *item);
+
+    static void updateDirtyNode(QQuickItem *item);
+
+private:
+    QHash<QQuickItem*, QQuickShaderEffectTexture*> m_itemTextureHash;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // DESIGNERSUPPORT_H