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+/* -*- 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 <drawinglayer/primitive3d/baseprimitive3d.hxx>
+#include <drawinglayer/geometry/viewinformation3d.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+
+// Embedded3DPrimitive2D class
+
+namespace drawinglayer::primitive2d
+{
+ /** Embedded3DPrimitive2D class
+
+ This is a helper primitive which allows embedding of single 3D
+ primitives to the 2D primitive logic. It will get the scene it's
+ involved and thus the 3D transformation. With this information it
+ is able to provide 2D range data for a 3D primitive.
+
+ This primitive will not be visualized and decomposes to a yellow
+ 2D rectangle to visualize that this should never be visualized
+ */
+ class DRAWINGLAYER_DLLPUBLIC Embedded3DPrimitive2D final : public BufferedDecompositionPrimitive2D
+ {
+ private:
+ /// the sequence of 3d primitives
+ primitive3d::Primitive3DContainer mxChildren3D;
+
+ /// the 2D scene object transformation
+ basegfx::B2DHomMatrix maObjectTransformation;
+
+ /// the 3D transformations
+ geometry::ViewInformation3D maViewInformation3D;
+
+ /** if the embedded 3D primitives contain shadow, these parameters are needed
+ to extract the shadow which is a sequence of 2D primitives and may expand
+ the 2D range. Since every single 3D object in a scene may individually
+ have shadow or not, these values need to be provided and prepared. The shadow
+ distance itself (a 2D transformation) is part of the 3D shadow definition
+ */
+ basegfx::B3DVector maLightNormal;
+ double mfShadowSlant;
+ basegfx::B3DRange maScene3DRange;
+
+ /// the primitiveSequence for on-demand created shadow primitives (see mbShadow3DChecked)
+ Primitive2DContainer maShadowPrimitives;
+
+ /// #i96669# add simple range buffering for this primitive
+ basegfx::B2DRange maB2DRange;
+
+ /** flag if given 3D geometry is already checked for shadow definitions and 2d shadows
+ are created in maShadowPrimitives
+ */
+ bool mbShadow3DChecked : 1;
+
+ /// private helpers
+ bool impGetShadow3D() const;
+
+ /// local decomposition.
+ virtual void create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const override;
+
+ public:
+ /// constructor
+ Embedded3DPrimitive2D(
+ primitive3d::Primitive3DContainer xChildren3D,
+ basegfx::B2DHomMatrix aObjectTransformation,
+ geometry::ViewInformation3D aViewInformation3D,
+ const basegfx::B3DVector& rLightNormal,
+ double fShadowSlant,
+ const basegfx::B3DRange& rScene3DRange);
+
+ /// data read access
+ const primitive3d::Primitive3DContainer& getChildren3D() const { return mxChildren3D; }
+ const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+ const geometry::ViewInformation3D& getViewInformation3D() const { return maViewInformation3D; }
+ const basegfx::B3DVector& getLightNormal() const { return maLightNormal; }
+ double getShadowSlant() const { return mfShadowSlant; }
+ const basegfx::B3DRange& getScene3DRange() const { return maScene3DRange; }
+
+ /// 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;
+ };
+} // end of namespace drawinglayer::primitive2d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */