1 /************************************************************************* 2 * 3 * OpenOffice.org - a multi-platform office productivity suite 4 * 5 * $RCSfile: UnifiedTransparencePrimitive2D.hxx,v $ 6 * 7 * $Revision: 1.3 $ 8 * 9 * last change: $Author: aw $ $Date: 2008-05-27 14:11:17 $ 10 * 11 * The Contents of this file are made available subject to 12 * the terms of GNU Lesser General Public License Version 2.1. 13 * 14 * 15 * GNU Lesser General Public License Version 2.1 16 * ============================================= 17 * Copyright 2005 by Sun Microsystems, Inc. 18 * 901 San Antonio Road, Palo Alto, CA 94303, USA 19 * 20 * This library is free software; you can redistribute it and/or 21 * modify it under the terms of the GNU Lesser General Public 22 * License version 2.1, as published by the Free Software Foundation. 23 * 24 * This library is distributed in the hope that it will be useful, 25 * but WITHOUT ANY WARRANTY; without even the implied warranty of 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 27 * Lesser General Public License for more details. 28 * 29 * You should have received a copy of the GNU Lesser General Public 30 * License along with this library; if not, write to the Free Software 31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 32 * MA 02111-1307 USA 33 * 34 ************************************************************************/ 35 36 #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX 37 #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX 38 39 #include <drawinglayer/primitive2d/groupprimitive2d.hxx> 40 41 ////////////////////////////////////////////////////////////////////////////// 42 43 namespace drawinglayer 44 { 45 namespace primitive2d 46 { 47 /** UnifiedTransparencePrimitive2D class 48 49 This primitive encapsualtes a child hierarchy and defines 50 that it shall be visualized with the given transparency. That 51 transparency is unique for all contained geometry, so that 52 e.g. overlapping polygons in the child geometry will not show 53 regions of combined transparency, but be all rendered with the 54 defined, single transparency. 55 */ 56 class UnifiedTransparencePrimitive2D : public GroupPrimitive2D 57 { 58 private: 59 /// the unified transparence 60 double mfTransparence; 61 62 public: 63 /// constructor 64 UnifiedTransparencePrimitive2D( 65 const Primitive2DSequence& rChildren, 66 double fTransparence); 67 68 /// data read access 69 double getTransparence() const { return mfTransparence; } 70 71 /// compare operator 72 virtual bool operator==(const BasePrimitive2D& rPrimitive) const; 73 74 /// own getB2DRange implementation to include transparent geometries to BoundRect calculations 75 virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; 76 77 /// create decomposition 78 virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; 79 80 /// provide unique ID 81 DeclPrimitrive2DIDBlock() 82 }; 83 } // end of namespace primitive2d 84 } // end of namespace drawinglayer 85 86 ////////////////////////////////////////////////////////////////////////////// 87 88 #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX 89 90 ////////////////////////////////////////////////////////////////////////////// 91 // eof 92