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Current view: top level - include/drawinglayer/primitive2d - embedded3dprimitive2d.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 7 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 8 0.0 %
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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : 
      25             : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
      26             : #include <drawinglayer/primitive3d/baseprimitive3d.hxx>
      27             : #include <drawinglayer/geometry/viewinformation3d.hxx>
      28             : #include <basegfx/matrix/b2dhommatrix.hxx>
      29             : 
      30             : 
      31             : // Embedded3DPrimitive2D class
      32             : 
      33             : namespace drawinglayer
      34             : {
      35             :     namespace primitive2d
      36             :     {
      37             :         /** Embedded3DPrimitive2D class
      38             : 
      39             :             This is a helper primitive which allows embedding of single 3D
      40             :             primitives to the 2D primitive logic. It will get the scene it's
      41             :             involved and thus the 3D transformation. With this information it
      42             :             is able to provide 2D range data for a 3D primitive.
      43             : 
      44             :             This primitive will not be visualized and decomposes to a yellow
      45             :             2D rectangle to visualize that this should never be visualized
      46             :          */
      47           0 :         class DRAWINGLAYER_DLLPUBLIC Embedded3DPrimitive2D : public BufferedDecompositionPrimitive2D
      48             :         {
      49             :         private:
      50             :             /// the sequence of 3d primitives
      51             :             primitive3d::Primitive3DSequence                    mxChildren3D;
      52             : 
      53             :             /// the 2D scene object transformation
      54             :             basegfx::B2DHomMatrix                               maObjectTransformation;
      55             : 
      56             :             /// the 3D transformations
      57             :             geometry::ViewInformation3D                         maViewInformation3D;
      58             : 
      59             :             /** if the embedded 3D primitives contain shadow, these parameters are needed
      60             :                 to extract the shadow which is a sequence od 2D primitives and may expand
      61             :                 the 2D range. Since every single 3D object in a scene may individually
      62             :                 have shadow or not, these values need to be provided and prepared. The shadow
      63             :                 distance itself (a 2D transformation) is part of the 3D shadow definition
      64             :              */
      65             :             basegfx::B3DVector                                  maLightNormal;
      66             :             double                                              mfShadowSlant;
      67             :             basegfx::B3DRange                                   maScene3DRange;
      68             : 
      69             :             /// the primitiveSequence for on-demand created shadow primitives (see mbShadow3DChecked)
      70             :             Primitive2DSequence                                 maShadowPrimitives;
      71             : 
      72             :             /// #i96669# add simple range buffering for this primitive
      73             :             basegfx::B2DRange                                   maB2DRange;
      74             : 
      75             :             /// bitfield
      76             :             /** flag if given 3D geometry is already cheched for shadow definitions and 2d shadows
      77             :                 are created in maShadowPrimitives
      78             :              */
      79             :             bool                                                mbShadow3DChecked : 1;
      80             : 
      81             :             /// private helpers
      82             :             bool impGetShadow3D(const geometry::ViewInformation2D& rViewInformation) const;
      83             : 
      84             :         protected:
      85             :             /// local decomposition.
      86             :             virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
      87             : 
      88             :         public:
      89             :             /// constructor
      90             :             Embedded3DPrimitive2D(
      91             :                 const primitive3d::Primitive3DSequence& rxChildren3D,
      92             :                 const basegfx::B2DHomMatrix& rObjectTransformation,
      93             :                 const geometry::ViewInformation3D& rViewInformation3D,
      94             :                 const basegfx::B3DVector& rLightNormal,
      95             :                 double fShadowSlant,
      96             :                 const basegfx::B3DRange& rScene3DRange);
      97             : 
      98             :             /// data read access
      99           0 :             const primitive3d::Primitive3DSequence& getChildren3D() const { return mxChildren3D; }
     100           0 :             const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
     101           0 :             const geometry::ViewInformation3D& getViewInformation3D() const { return maViewInformation3D; }
     102           0 :             const basegfx::B3DVector& getLightNormal() const { return maLightNormal; }
     103           0 :             double getShadowSlant() const { return mfShadowSlant; }
     104           0 :             const basegfx::B3DRange& getScene3DRange() const { return maScene3DRange; }
     105             : 
     106             :             /// compare operator
     107             :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const SAL_OVERRIDE;
     108             : 
     109             :             /// get range
     110             :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
     111             : 
     112             :             /// provide unique ID
     113             :             DeclPrimitive2DIDBlock()
     114             :         };
     115             :     } // end of namespace primitive2d
     116             : } // end of namespace drawinglayer
     117             : 
     118             : 
     119             : 
     120             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_EMBEDDED3DPRIMITIVE2D_HXX
     121             : 
     122             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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