| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
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| * distributed with this work for additional information |
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| * to you under the Apache License, Version 2.0 (the |
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| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
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| |
| |
| #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 |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
