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Diffstat (limited to 'include/drawinglayer/primitive2d/embedded3dprimitive2d.hxx')
-rw-r--r-- | include/drawinglayer/primitive2d/embedded3dprimitive2d.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/embedded3dprimitive2d.hxx b/include/drawinglayer/primitive2d/embedded3dprimitive2d.hxx new file mode 100644 index 000000000000..d7389bea2bc3 --- /dev/null +++ b/include/drawinglayer/primitive2d/embedded3dprimitive2d.hxx @@ -0,0 +1,122 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX + +#include <drawinglayer/drawinglayerdllapi.h> + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <drawinglayer/primitive3d/baseprimitive3d.hxx> +#include <drawinglayer/geometry/viewinformation3d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +////////////////////////////////////////////////////////////////////////////// +// Embedded3DPrimitive2D class + +namespace drawinglayer +{ + namespace 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 : public BufferedDecompositionPrimitive2D + { + private: + /// the sequence of 3d primitives + primitive3d::Primitive3DSequence 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 wich is a sequence od 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) + Primitive2DSequence maShadowPrimitives; + + /// #i96669# add simple range buffering for this primitive + basegfx::B2DRange maB2DRange; + + /// bitfield + /** flag if given 3D geometry is already cheched for shadow definitions and 2d shadows + are created in maShadowPrimitives + */ + unsigned mbShadow3DChecked : 1; + + /// private helpers + bool impGetShadow3D(const geometry::ViewInformation2D& rViewInformation) const; + + protected: + /// local decomposition. + virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + + public: + /// constructor + Embedded3DPrimitive2D( + const primitive3d::Primitive3DSequence& rxChildren3D, + const basegfx::B2DHomMatrix& rObjectTransformation, + const geometry::ViewInformation3D& rViewInformation3D, + const basegfx::B3DVector& rLightNormal, + double fShadowSlant, + const basegfx::B3DRange& rScene3DRange); + + /// data read access + const primitive3d::Primitive3DSequence& 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; + + /// get range + virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |