1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX 23 #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX 24 25 #include <drawinglayer/drawinglayerdllapi.h> 26 #include <drawinglayer/primitive2d/groupprimitive2d.hxx> 27 28 ////////////////////////////////////////////////////////////////////////////// 29 30 namespace drawinglayer 31 { 32 namespace primitive2d 33 { 34 // This primitive is used to represent geometry for non-visible objects, 35 // e.g. a PresObj's outline. To still be able to use primitives for HitTest 36 // functionality, the 2d decompositions will produce an as much as possible 37 // simplified line geometry encapsulated in this primtive when there is no 38 // line geometry. In a further enchanced version this may change to 'if neither 39 // filled nor lines' creation criteria. The whole primitive decomposes to nothing, 40 // so no one not knowing it will be influenced. Only helper processors for hit test 41 // (and maybe BoundRect extractors) will use it and it's children subcontent. 42 class DRAWINGLAYER_DLLPUBLIC HiddenGeometryPrimitive2D : public GroupPrimitive2D 43 { 44 public: 45 HiddenGeometryPrimitive2D(const Primitive2DSequence& rChildren); 46 47 // despite returning an empty decomposition since it's no visualisation data, 48 // range calculation is intended to use hidden geometry, so 49 // the local implementation will return the children's range 50 virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; 51 52 /// local decomposition. Implementation will return empty Primitive2DSequence 53 virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; 54 55 // provide unique ID 56 DeclPrimitrive2DIDBlock() 57 }; 58 } // end of namespace primitive2d 59 } // end of namespace drawinglayer 60 61 ////////////////////////////////////////////////////////////////////////////// 62 63 #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX 64 65 ////////////////////////////////////////////////////////////////////////////// 66 // eof 67