1 files changed, 117 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/controlprimitive2d.hxx b/include/drawinglayer/primitive2d/controlprimitive2d.hxx
new file mode 100644
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+++ b/include/drawinglayer/primitive2d/controlprimitive2d.hxx
@@ -0,0 +1,117 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/primitive2d/BufferedDecompositionPrimitive2D.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+namespace com::sun::star::awt
+{
+class XControl;
+}
+namespace com::sun::star::awt
+{
+class XControlModel;
+}
+
+namespace drawinglayer::primitive2d
+{
+/** ControlPrimitive2D class
+
+    Base class for ControlPrimitive handling. It decomposes to a
+    graphical representation (Bitmap data) of the control. This
+    representation is limited to a quadratic pixel maximum defined
+    in the application settings.
+ */
+class DRAWINGLAYER_DLLPUBLIC ControlPrimitive2D final : public BufferedDecompositionPrimitive2D
+{
+private:
+    /// object's base data
+    basegfx::B2DHomMatrix maTransform;
+    css::uno::Reference<css::awt::XControlModel> mxControlModel;
+
+    /// the created and cached awt::XControl
+    css::uno::Reference<css::awt::XControl> mxXControl;
+
+    /// the last used scaling, used from getDecomposition for buffering
+    basegfx::B2DVector maLastViewScaling;
+
+    /** used from getXControl() to create a local awt::XControl which is remembered in mxXControl
+                and from thereon always used and returned by getXControl()
+             */
+    void createXControl();
+
+    /// single local decompositions, used from create2DDecomposition()
+    Primitive2DReference
+    createBitmapDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
+    Primitive2DReference createPlaceholderDecomposition() const;
+
+    /// local decomposition
+    virtual void
+    create2DDecomposition(Primitive2DContainer& rContainer,
+                          const geometry::ViewInformation2D& rViewInformation) const override;
+
+public:
+    /// constructor
+    ControlPrimitive2D(const basegfx::B2DHomMatrix& rTransform,
+                       const css::uno::Reference<css::awt::XControlModel>& rxControlModel);
+
+    /** constructor with an additional XControl as parameter to allow to hand it over at incarnation time
+        if it exists. This will avoid to create a 2nd one on demand in createXControl()
+        and thus double the XControls.
+     */
+    ControlPrimitive2D(const basegfx::B2DHomMatrix& rTransform,
+                       const css::uno::Reference<css::awt::XControlModel>& rxControlModel,
+                       const css::uno::Reference<css::awt::XControl>& rxXControl);
+
+    /// data read access
+    const basegfx::B2DHomMatrix& getTransform() const { return maTransform; }
+    const css::uno::Reference<css::awt::XControlModel>& getControlModel() const
+    {
+        return mxControlModel;
+    }
+
+    /** mxControl access. This will on demand create the awt::XControl using createXControl()
+        if it does not exist. It may already have been created or even handed over at
+        incarnation
+     */
+    const css::uno::Reference<css::awt::XControl>& getXControl() const;
+
+    /// compare operator
+    virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
+
+    /// get range
+    virtual basegfx::B2DRange
+    getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
+
+    /// provide unique ID
+    virtual sal_uInt32 getPrimitive2DID() const override;
+
+    /// Override standard getDecomposition to be view-dependent here
+    virtual void
+    get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor,
+                       const geometry::ViewInformation2D& rViewInformation) const override;
+};
+
+} // end of namespace drawinglayer::primitive2d
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */