drawinglayer/source/primitive3d/baseprimitive3d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <drawinglayer/primitive3d/baseprimitive3d.hxx>
  21 #include <drawinglayer/geometry/viewinformation3d.hxx>
  22 #include <basegfx/tools/canvastools.hxx>
  23
  24 //////////////////////////////////////////////////////////////////////////////
  25
  26 using namespace com::sun::star;
  27
  28 //////////////////////////////////////////////////////////////////////////////
  29
  30 namespace drawinglayer
  31 {
  32     namespace primitive3d
  33     {
  34         BasePrimitive3D::BasePrimitive3D()
  35         :   BasePrimitive3DImplBase(m_aMutex)
  36         {
  37         }
  38
  39         BasePrimitive3D::~BasePrimitive3D()
  40         {
  41         }
  42
  43         bool BasePrimitive3D::operator==( const BasePrimitive3D& rPrimitive ) const
  44         {
  45             return (getPrimitive3DID() == rPrimitive.getPrimitive3DID());
  46         }
  47
  48         basegfx::B3DRange BasePrimitive3D::getB3DRange(const geometry::ViewInformation3D& rViewInformation) const
  49         {
  50             return getB3DRangeFromPrimitive3DSequence(get3DDecomposition(rViewInformation), rViewInformation);
  51         }
  52
  53         Primitive3DSequence BasePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
  54         {
  55             return Primitive3DSequence();
  56         }
  57
  58         Primitive3DSequence SAL_CALL BasePrimitive3D::getDecomposition( const uno::Sequence< beans::PropertyValue >& rViewParameters ) throw ( uno::RuntimeException )
  59         {
  60             const geometry::ViewInformation3D aViewInformation(rViewParameters);
  61             return get3DDecomposition(aViewInformation);
  62         }
  63
  64         com::sun::star::geometry::RealRectangle3D SAL_CALL BasePrimitive3D::getRange( const uno::Sequence< beans::PropertyValue >& rViewParameters ) throw ( uno::RuntimeException )
  65         {
  66             const geometry::ViewInformation3D aViewInformation(rViewParameters);
  67             return basegfx::unotools::rectangle3DFromB3DRectangle(getB3DRange(aViewInformation));
  68         }
  69     } // end of namespace primitive3d
  70 } // end of namespace drawinglayer
  71
  72 //////////////////////////////////////////////////////////////////////////////
  73
  74 namespace drawinglayer
  75 {
  76     namespace primitive3d
  77     {
  78         Primitive3DSequence BufferedDecompositionPrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
  79         {
  80             return Primitive3DSequence();
  81         }
  82
  83         BufferedDecompositionPrimitive3D::BufferedDecompositionPrimitive3D()
  84         :   BasePrimitive3D(),
  85             maBuffered3DDecomposition()
  86         {
  87         }
  88
  89         Primitive3DSequence BufferedDecompositionPrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
  90         {
  91             ::osl::MutexGuard aGuard( m_aMutex );
  92
  93             if(!getBuffered3DDecomposition().hasElements())
  94             {
  95                 const Primitive3DSequence aNewSequence(create3DDecomposition(rViewInformation));
  96                 const_cast< BufferedDecompositionPrimitive3D* >(this)->setBuffered3DDecomposition(aNewSequence);
  97             }
  98
  99             return getBuffered3DDecomposition();
 100         }
 101     } // end of namespace primitive3d
 102 } // end of namespace drawinglayer
 103
 104 //////////////////////////////////////////////////////////////////////////////
 105 // tooling
 106
 107 namespace drawinglayer
 108 {
 109     namespace primitive3d
 110     {
 111         // get range3D from a given Primitive3DReference
 112         basegfx::B3DRange getB3DRangeFromPrimitive3DReference(const Primitive3DReference& rCandidate, const geometry::ViewInformation3D& aViewInformation)
 113         {
 114             basegfx::B3DRange aRetval;
 115
 116             if(rCandidate.is())
 117             {
 118                 // try to get C++ implementation base
 119                 const BasePrimitive3D* pCandidate(dynamic_cast< BasePrimitive3D* >(rCandidate.get()));
 120
 121                 if(pCandidate)
 122                 {
 123                     // use it if possible
 124                     aRetval.expand(pCandidate->getB3DRange(aViewInformation));
 125                 }
 126                 else
 127                 {
 128                     // use UNO API call instead
 129                     const uno::Sequence< beans::PropertyValue >& rViewParameters(aViewInformation.getViewInformationSequence());
 130                     aRetval.expand(basegfx::unotools::b3DRectangleFromRealRectangle3D(rCandidate->getRange(rViewParameters)));
 131                 }
 132             }
 133
 134             return aRetval;
 135         }
 136
 137         // get range3D from a given Primitive3DSequence
 138         basegfx::B3DRange getB3DRangeFromPrimitive3DSequence(const Primitive3DSequence& rCandidate, const geometry::ViewInformation3D& aViewInformation)
 139         {
 140             basegfx::B3DRange aRetval;
 141
 142             if(rCandidate.hasElements())
 143             {
 144                 const sal_Int32 nCount(rCandidate.getLength());
 145
 146                 for(sal_Int32 a(0L); a < nCount; a++)
 147                 {
 148                     aRetval.expand(getB3DRangeFromPrimitive3DReference(rCandidate[a], aViewInformation));
 149                 }
 150             }
 151
 152             return aRetval;
 153         }
 154
 155         bool arePrimitive3DReferencesEqual(const Primitive3DReference& rxA, const Primitive3DReference& rxB)
 156         {
 157             const sal_Bool bAIs(rxA.is());
 158
 159             if(bAIs != rxB.is())
 160             {
 161                 return false;
 162             }
 163
 164             if(!bAIs)
 165             {
 166                 return true;
 167             }
 168
 169             const BasePrimitive3D* pA(dynamic_cast< const BasePrimitive3D* >(rxA.get()));
 170             const BasePrimitive3D* pB(dynamic_cast< const BasePrimitive3D* >(rxB.get()));
 171             const bool bAEqualZero(pA == 0L);
 172
 173             if(bAEqualZero != (pB == 0L))
 174             {
 175                 return false;
 176             }
 177
 178             if(bAEqualZero)
 179             {
 180                 return false;
 181             }
 182
 183             return (pA->operator==(*pB));
 184         }
 185
 186         bool arePrimitive3DSequencesEqual(const Primitive3DSequence& rA, const Primitive3DSequence& rB)
 187         {
 188             const sal_Bool bAHasElements(rA.hasElements());
 189
 190             if(bAHasElements != rB.hasElements())
 191             {
 192                 return false;
 193             }
 194
 195             if(!bAHasElements)
 196             {
 197                 return true;
 198             }
 199
 200             const sal_Int32 nCount(rA.getLength());
 201
 202             if(nCount != rB.getLength())
 203             {
 204                 return false;
 205             }
 206
 207             for(sal_Int32 a(0L); a < nCount; a++)
 208             {
 209                 if(!arePrimitive3DReferencesEqual(rA[a], rB[a]))
 210                 {
 211                     return false;
 212                 }
 213             }
 214
 215             return true;
 216         }
 217
 218         // concatenate sequence
 219         void appendPrimitive3DSequenceToPrimitive3DSequence(Primitive3DSequence& rDest, const Primitive3DSequence& rSource)
 220         {
 221             if(rSource.hasElements())
 222             {
 223                 if(rDest.hasElements())
 224                 {
 225                     const sal_Int32 nSourceCount(rSource.getLength());
 226                     const sal_Int32 nDestCount(rDest.getLength());
 227                     const sal_Int32 nTargetCount(nSourceCount + nDestCount);
 228                     sal_Int32 nInsertPos(nDestCount);
 229
 230                     rDest.realloc(nTargetCount);
 231
 232                     for(sal_Int32 a(0L); a < nSourceCount; a++)
 233                     {
 234                         if(rSource[a].is())
 235                         {
 236                             rDest[nInsertPos++] = rSource[a];
 237                         }
 238                     }
 239
 240                     if(nInsertPos != nTargetCount)
 241                     {
 242                         rDest.realloc(nInsertPos);
 243                     }
 244                 }
 245                 else
 246                 {
 247                     rDest = rSource;
 248                 }
 249             }
 250         }
 251
 252         // concatenate single Primitive3D
 253         void appendPrimitive3DReferenceToPrimitive3DSequence(Primitive3DSequence& rDest, const Primitive3DReference& rSource)
 254         {
 255             if(rSource.is())
 256             {
 257                 const sal_Int32 nDestCount(rDest.getLength());
 258                 rDest.realloc(nDestCount + 1L);
 259                 rDest[nDestCount] = rSource;
 260             }
 261         }
 262
 263     } // end of namespace primitive3d
 264 } // end of namespace drawinglayer
 265
 266 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */