xref: /aoo4110/main/drawinglayer/inc/drawinglayer/processor3d/cutfindprocessor3d.hxx (revision b1cdbd2c)

/**************************************************************
 *
 * 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
 *
 * 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.
 *
 *************************************************************/



#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_CUTFINDPROCESSOR3D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR3D_CUTFINDPROCESSOR3D_HXX

#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/processor3d/defaultprocessor3d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace processor3d
	{
        /** CutFindProcessor class

            This processor extracts all cuts of 3D plane geometries in the feeded primitives
            with the given cut vector, based on the ViewInformation3D given.
         */
		class DRAWINGLAYER_DLLPUBLIC CutFindProcessor : public BaseProcessor3D
		{
		private:
            /// the start and stop point for the cut vector
            basegfx::B3DPoint                       maFront;
            basegfx::B3DPoint                       maBack;

            /// the found cut points
            ::std::vector< basegfx::B3DPoint >      maResult;

            /*  #i102956# the transformation change from TransformPrimitive3D processings
                needs to be remembered to be able to transform found cuts to the
                basic coordinate system the processor starts with
             */
            basegfx::B3DHomMatrix                   maCombinedTransform;

            /// bitfield
            bool                                    mbAnyHit : 1;

			/*  this flag decides if primitives which are invisible will be taken into account for
                HitTesting or not.
             */
			bool                                    mbUseInvisiblePrimitiveContent : 1;

            /*  as tooling, the process() implementation takes over API handling and calls this
			    virtual render method when the primitive implementation is BasePrimitive3D-based.
             */
			virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate);

		public:
			CutFindProcessor(const geometry::ViewInformation3D& rViewInformation,
                const basegfx::B3DPoint& rFront,
                const basegfx::B3DPoint& rBack,
                bool bAnyHit);

			/// data write access
			void setUseInvisiblePrimitiveContent(bool bNew)
			{
				if((bool)mbUseInvisiblePrimitiveContent != bNew) mbUseInvisiblePrimitiveContent = bNew;
			}

            /// data read access
            const ::std::vector< basegfx::B3DPoint >& getCutPoints() const { return maResult; }
            bool getAnyHit() const { return mbAnyHit; }
			bool getUseInvisiblePrimitiveContent() const { return mbUseInvisiblePrimitiveContent;}
		};
	} // end of namespace processor3d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

#endif //INCLUDED_DRAWINGLAYER_PROCESSOR3D_CUTFINDPROCESSOR3D_HXX

// eof