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_SprImpl_h 38 #define Alembic_AbcCoreHDF5_SprImpl_h 39 40 #include <Alembic/AbcCoreHDF5/Foundation.h> 41 #include <Alembic/AbcCoreHDF5/SimplePrImpl.h> 42 43 namespace Alembic { 44 namespace AbcCoreHDF5 { 45 namespace ALEMBIC_VERSION_NS { 46 47 //-***************************************************************************** 48 // The Scalar Property Reader fills up bytes corresponding to memory for 49 // a single scalar sample at a particular index. 50 class SprImpl 51 : public SimplePrImpl<AbcA::ScalarPropertyReader, 52 SprImpl, 53 void*> 54 , public Alembic::Util::enable_shared_from_this<SprImpl> 55 { 56 public: SprImpl(AbcA::CompoundPropertyReaderPtr iParent,H5Node & iParentGroup,PropertyHeaderPtr iHeader,uint32_t iNumSamples,uint32_t iFirstChangedIndex,uint32_t iLastChangedIndex)57 SprImpl( AbcA::CompoundPropertyReaderPtr iParent, 58 H5Node & iParentGroup, 59 PropertyHeaderPtr iHeader, 60 uint32_t iNumSamples, 61 uint32_t iFirstChangedIndex, 62 uint32_t iLastChangedIndex ) 63 : SimplePrImpl<AbcA::ScalarPropertyReader, SprImpl, void*> 64 ( iParent, iParentGroup, iHeader, iNumSamples, iFirstChangedIndex, 65 iLastChangedIndex ) 66 { 67 if ( m_header->getPropertyType() != AbcA::kScalarProperty ) 68 { 69 ABCA_THROW( "Attempted to create a ScalarPropertyReader from a " 70 "non-scalar property type" ); 71 } 72 } 73 74 virtual AbcA::ScalarPropertyReaderPtr asScalarPtr(); 75 76 protected: 77 friend class SimplePrImpl<AbcA::ScalarPropertyReader, 78 SprImpl, 79 void*>; 80 81 // This function is called by SimplePrImpl to provide the actual 82 // property reading. 83 // It will dispatch its work out to different read utils, based 84 // on the type of the property. 85 void readSample( hid_t iGroup, 86 const std::string &iSampleName, 87 index_t iSampleIndex, 88 void *oSampleBytes ); 89 90 //-************************************************************************* 91 // This function is called by SimplePrImpl, scalar props do not have keys. readKey(hid_t iGroup,const std::string & iSampleName,AbcA::ArraySampleKey & oSamplePtr)92 bool readKey( hid_t iGroup, 93 const std::string &iSampleName, 94 AbcA::ArraySampleKey & oSamplePtr ) { return false; } 95 96 }; 97 98 } // End namespace ALEMBIC_VERSION_NS 99 100 using namespace ALEMBIC_VERSION_NS; 101 102 } // End namespace AbcCoreHDF5 103 } // End namespace Alembic 104 105 #endif 106