213 lines
10 KiB
C++
213 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
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#define INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
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#include <drawinglayer/drawinglayerdllapi.h>
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#include <cppuhelper/compbase1.hxx>
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#include <boost/utility.hpp>
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#include <com/sun/star/graphic/XPrimitive3D.hpp>
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#include <comphelper/broadcasthelper.hxx>
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#include <basegfx/range/b3drange.hxx>
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//////////////////////////////////////////////////////////////////////////////
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/** defines for DeclPrimitive3DIDBlock and ImplPrimitive3DIDBlock
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Added to be able to simply change identification stuff later, e.g. add
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a identification string and/or ID to the interface and to the implementation
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ATM used to delclare implement getPrimitive3DID()
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*/
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#define DeclPrimitive3DIDBlock() \
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virtual sal_uInt32 getPrimitive3DID() const;
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#define ImplPrimitive3DIDBlock(TheClass, TheID) \
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sal_uInt32 TheClass::getPrimitive3DID() const { return TheID; }
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//////////////////////////////////////////////////////////////////////////////
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// predefines
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namespace drawinglayer { namespace geometry {
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class ViewInformation3D;
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}}
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namespace drawinglayer { namespace primitive3d {
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/// typedefs for basePrimitive3DImplBase, Primitive3DSequence and Primitive3DReference
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typedef cppu::WeakComponentImplHelper1< ::com::sun::star::graphic::XPrimitive3D > BasePrimitive3DImplBase;
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typedef ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XPrimitive3D > Primitive3DReference;
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typedef ::com::sun::star::uno::Sequence< Primitive3DReference > Primitive3DSequence;
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}}
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//////////////////////////////////////////////////////////////////////////////
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// basePrimitive3D class
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namespace drawinglayer
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{
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namespace primitive3d
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{
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/** BasePrimitive3D class
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Baseclass for all C++ implementations of com::sun::star::graphic::XPrimitive2D
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The description/functionality is identical with the 2D case in baseprimitive2d.hxx,
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please see there for detailed information.
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Current Basic 3D Primitives are:
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- PolygonHairlinePrimitive3D (for 3D hairlines)
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- PolyPolygonMaterialPrimitive3D (for 3D filled plane polygons)
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That's all for 3D!
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*/
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class DRAWINGLAYER_DLLPUBLIC BasePrimitive3D
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: private boost::noncopyable,
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protected comphelper::OBaseMutex,
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public BasePrimitive3DImplBase
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{
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private:
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protected:
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public:
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// constructor/destructor
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BasePrimitive3D();
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virtual ~BasePrimitive3D();
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/** the ==operator is mainly needed to allow testing newly-created high level primitives against their last
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incarnation which buffers/holds the decompositionsThe default implementation
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uses getPrimitive3DID()-calls to test if it's the same ID at last. Overloaded implementation are then
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based on this implementation.
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*/
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virtual bool operator==( const BasePrimitive3D& rPrimitive ) const;
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bool operator!=( const BasePrimitive3D& rPrimitive ) const { return !operator==(rPrimitive); }
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/** This method is for places where using the C++ implementation directly is possible. The subprocessing
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and range merging is more efficient when working directly on basegfx::B3DRange. The default implementation
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will use getDecomposition results to create the range
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*/
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virtual basegfx::B3DRange getB3DRange(const geometry::ViewInformation3D& rViewInformation) const;
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/** provide unique ID for fast identifying of known primitive implementations in renderers. These use
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the defines from primitivetypes3d.hxx to define unique IDs.
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*/
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virtual sal_uInt32 getPrimitive3DID() const = 0;
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/// The default implementation returns an empty sequence
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virtual Primitive3DSequence get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
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//
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// Methods from XPrimitive3D
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//
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/** The getDecomposition implementation for UNO API will use getDecomposition from this implementation. It
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will get the ViewInformation from the ViewParameters for that purpose
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*/
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virtual Primitive3DSequence SAL_CALL getDecomposition( const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rViewParameters ) throw ( ::com::sun::star::uno::RuntimeException );
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/** the getRange default implemenation will use getDecomposition to create the range information from merging
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getRange results from the single local decomposition primitives.
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*/
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virtual ::com::sun::star::geometry::RealRectangle3D SAL_CALL getRange( const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rViewParameters ) throw ( ::com::sun::star::uno::RuntimeException );
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};
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} // end of namespace primitive3d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// BufferedDecompositionPrimitive3D class
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namespace drawinglayer
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{
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namespace primitive3d
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{
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/** BufferedDecompositionPrimitive3D class
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Baseclass for all C++ implementations of com::sun::star::graphic::XPrimitive2D
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The description/functionality is identical with the 2D case in baseprimitive2d.hxx,
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please see there for detailed information
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*/
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class DRAWINGLAYER_DLLPUBLIC BufferedDecompositionPrimitive3D
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: public BasePrimitive3D
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{
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private:
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/// a sequence used for buffering the last create3DDecomposition() result
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Primitive3DSequence maBuffered3DDecomposition;
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protected:
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/** access methods to maBuffered3DDecomposition. The usage of this methods may allow
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later thread-safe stuff to be added if needed. Only to be used by getDecomposition()
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implementations for buffering the last decomposition.
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*/
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const Primitive3DSequence& getBuffered3DDecomposition() const { return maBuffered3DDecomposition; }
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void setBuffered3DDecomposition(const Primitive3DSequence& rNew) { maBuffered3DDecomposition = rNew; }
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/** method which is to be used to implement the local decomposition of a 2D primitive. The default
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implementation will just return an empty decomposition
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*/
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virtual Primitive3DSequence create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
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public:
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// constructor
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BufferedDecompositionPrimitive3D();
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/** The getDecomposition default implementation will on demand use create3DDecomposition() if
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maBuffered3DDecomposition is empty. It will set maBuffered3DDecomposition to this obtained decomposition
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to buffer it. If the decomposition is also ViewInformation-dependent, this method needs to be
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overloaded and the ViewInformation for the last decomposition needs to be remembered, too, and
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be used in the next call to decide if the buffered decomposition may be reused or not.
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*/
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virtual Primitive3DSequence get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
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};
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} // end of namespace primitive3d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// tooling
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namespace drawinglayer
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{
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namespace primitive3d
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{
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/// get B3DRange from a given Primitive3DReference
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basegfx::B3DRange DRAWINGLAYER_DLLPUBLIC getB3DRangeFromPrimitive3DReference(const Primitive3DReference& rCandidate, const geometry::ViewInformation3D& aViewInformation);
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/// get range3D from a given Primitive3DSequence
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basegfx::B3DRange DRAWINGLAYER_DLLPUBLIC getB3DRangeFromPrimitive3DSequence(const Primitive3DSequence& rCandidate, const geometry::ViewInformation3D& aViewInformation);
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/** compare two Primitive2DReferences for equality, including trying to get implementations (BasePrimitive2D)
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and using compare operator
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*/
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bool DRAWINGLAYER_DLLPUBLIC arePrimitive3DReferencesEqual(const Primitive3DReference& rA, const Primitive3DReference& rB);
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/// compare two Primitive3DReferences for equality, uses arePrimitive3DReferencesEqual internally
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bool DRAWINGLAYER_DLLPUBLIC arePrimitive3DSequencesEqual(const Primitive3DSequence& rA, const Primitive3DSequence& rB);
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/// concatenate sequence
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void DRAWINGLAYER_DLLPUBLIC appendPrimitive3DSequenceToPrimitive3DSequence(Primitive3DSequence& rDest, const Primitive3DSequence& rSource);
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/// concatenate single Primitive3D
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void DRAWINGLAYER_DLLPUBLIC appendPrimitive3DReferenceToPrimitive3DSequence(Primitive3DSequence& rDest, const Primitive3DReference& rSource);
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} // end of namespace primitive3d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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