1 //-***************************************************************************** 2 // 3 // Copyright (c) 2009-2012, 4 // Sony Pictures Imageworks, Inc. and 5 // Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd. 6 // 7 // All rights reserved. 8 // 9 // Redistribution and use in source and binary forms, with or without 10 // modification, are permitted provided that the following conditions are 11 // met: 12 // * Redistributions of source code must retain the above copyright 13 // notice, this list of conditions and the following disclaimer. 14 // * Redistributions in binary form must reproduce the above 15 // copyright notice, this list of conditions and the following disclaimer 16 // in the documentation and/or other materials provided with the 17 // distribution. 18 // * Neither the name of Sony Pictures Imageworks, nor 19 // Industrial Light & Magic nor the names of their contributors may be used 20 // to endorse or promote products derived from this software without specific 21 // prior written permission. 22 // 23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 // 35 //-***************************************************************************** 36 37 #ifndef Alembic_AbcCoreHDF5_SpwImpl_h 38 #define Alembic_AbcCoreHDF5_SpwImpl_h 39 40 #include <Alembic/AbcCoreHDF5/Foundation.h> 41 #include <Alembic/AbcCoreHDF5/SimplePwImpl.h> 42 43 namespace Alembic { 44 namespace AbcCoreHDF5 { 45 namespace ALEMBIC_VERSION_NS { 46 47 //-***************************************************************************** 48 // This type is a no-op. 49 // It is here to support the template interface which, in order to generalize 50 // across arrays & scalars, needs a "key" type to compare array samples with. 51 class ScalarSampleKey 52 { 53 public: ScalarSampleKey()54 ScalarSampleKey(){} 55 }; 56 57 //-***************************************************************************** 58 // Scalar Property Writer. 59 class SpwImpl 60 : public SimplePwImpl<AbcA::ScalarPropertyWriter, 61 SpwImpl, 62 const void *, 63 ScalarSampleKey> 64 , public Alembic::Util::enable_shared_from_this<SpwImpl> 65 { 66 protected: 67 friend class CpwData; 68 69 //-************************************************************************* 70 SpwImpl( AbcA::CompoundPropertyWriterPtr iParent, 71 hid_t iParentGroup, 72 const std::string & iName, 73 const AbcA::MetaData & iMetaData, 74 const AbcA::DataType & iDataType, 75 uint32_t iTimeSamplingIndex ); 76 77 AbcA::ScalarPropertyWriterPtr asScalarPtr(); 78 79 public: 80 virtual ~SpwImpl(); 81 82 //-************************************************************************* 83 // No-op return of no-op class. computeSampleKey(const void * iSamp)84 static ScalarSampleKey computeSampleKey( const void *iSamp ) 85 { 86 return ScalarSampleKey(); 87 } 88 89 //-************************************************************************* sameAsPreviousSample(const void * iSamp,const ScalarSampleKey & iKey)90 bool sameAsPreviousSample( const void *iSamp, 91 const ScalarSampleKey &iKey ) const 92 { 93 // CJH: Could include tolerances here. 94 return m_previousSample.equalWithRelAbsError( iSamp, 95 1.0e-9 ); 96 } 97 98 //-************************************************************************* 99 void copyPreviousSample( hid_t iGroup, 100 const std::string &iSampleName, 101 index_t iSampleIndex ); 102 103 //-************************************************************************* 104 void writeSample( hid_t iGroup, 105 const std::string &iSampleName, 106 index_t iSampleIndex, 107 const void *iSamp, 108 const ScalarSampleKey &iKey ); 109 110 protected: 111 // Use the AbcCoreAbstract's magnificent "ScalarSample" 112 // helper class to keep track of our storage. 113 AbcA::ScalarSample m_previousSample; 114 }; 115 116 } // End namespace ALEMBIC_VERSION_NS 117 118 using namespace ALEMBIC_VERSION_NS; 119 120 } // End namespace AbcCoreHDF5 121 } // End namespace Alembic 122 123 #endif 124