Alembic Version 1.1
ArraySample.h
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1//-*****************************************************************************
2//
3// Copyright (c) 2009-2012,
4// Sony Pictures Imageworks, Inc. and
5// Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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35//-*****************************************************************************
36
37#ifndef Alembic_AbcCoreAbstract_ArraySample_h
38#define Alembic_AbcCoreAbstract_ArraySample_h
39
40#include <Alembic/Util/Export.h>
44
45namespace Alembic {
46namespace AbcCoreAbstract {
47namespace ALEMBIC_VERSION_NS {
48
49//-*****************************************************************************
60{
61public:
64 typedef Key key_type;
65
69 : m_data( NULL )
70 , m_dataType()
71 , m_dimensions() {}
72
75 ArraySample( const void * iData,
76 const DataType &iDataType,
77 const Dimensions & iDims )
78 : m_data( iData )
79 , m_dataType( iDataType )
80 , m_dimensions( iDims ) {}
81
84
87 const void* getData() const { return m_data; }
88
91 const DataType &getDataType() const { return m_dataType; }
92
95 const Dimensions& getDimensions() const { return m_dimensions; }
96
99 size_t size() const { return m_dimensions.numPoints(); }
100
103 Key getKey() const;
104
111 bool valid() const
112 {
113 return ( m_dataType.getPod() != kUnknownPOD ) &&
114 !( m_data == NULL && m_dimensions.rank() < 1 );
115 }
116
119 void reset()
120 {
121 m_data = NULL;
122 m_dataType = DataType();
123 m_dimensions = Dimensions();
124 }
125
126private:
127 const void *m_data;
128 DataType m_dataType;
129 Dimensions m_dimensions;
130};
131
132//-*****************************************************************************
138typedef Alembic::Util::shared_ptr<ArraySample> ArraySamplePtr;
139
140//-*****************************************************************************
150 const Dimensions &iDims );
151
152//-*****************************************************************************
153//-*****************************************************************************
154//-*****************************************************************************
155// HELPER STUFF!
156//-*****************************************************************************
157//-*****************************************************************************
158//-*****************************************************************************
159
160//-*****************************************************************************
161template <class T>
163{
164 void operator()( void *memory ) const
165 {
166 ArraySample *arraySample = static_cast<ArraySample*>( memory );
167 if ( arraySample )
168 {
169 T *data = reinterpret_cast<T*>(
170 const_cast<void*>( arraySample->getData() ) );
171
172 // Delete[] NULL is okay.
173 delete[] data;
174 }
175 delete arraySample;
176 }
177};
178
179//-*****************************************************************************
180template <class T>
181ArraySamplePtr TAllocateArraySample( size_t iDataTypeExtent,
182 const Dimensions &iDims )
183{
184 DataType dtype( PODTraitsFromType<T>::pod_enum, iDataTypeExtent );
185 size_t numPODs = iDims.numPoints() * iDataTypeExtent;
186 if ( numPODs > 0 )
187 {
188 T *data = new T[numPODs];
189 ArraySamplePtr ret(
190 new ArraySample( reinterpret_cast<const void *>( data ),
191 dtype, iDims ),
193 return ret;
194 }
195 else
196 {
197 ArraySamplePtr ret(
198 new ArraySample( ( const void * )NULL,
199 dtype, iDims ) );
200 return ret;
201 }
202}
203
204} // End namespace ALEMBIC_VERSION_NS
205
206using namespace ALEMBIC_VERSION_NS;
207
208} // End namespace AbcCoreAbstract
209} // End namespace Alembic
210
211#endif
#define ALEMBIC_EXPORT
Definition: Export.h:51
#define ALEMBIC_VERSION_NS
Definition: Foundation.h:105
ArraySample(const void *iData, const DataType &iDataType, const Dimensions &iDims)
Definition: ArraySample.h:75
Alembic::Util::shared_ptr< ArraySample > ArraySamplePtr
Definition: ArraySample.h:138
ArraySamplePtr TAllocateArraySample(size_t iDataTypeExtent, const Dimensions &iDims)
Definition: ArraySample.h:181
ALEMBIC_EXPORT ArraySamplePtr AllocateArraySample(const DataType &iDtype, const Dimensions &iDims)
BaseDimensions< Alembic::Util::uint64_t > Dimensions
Definition: Dimensions.h:189
Alembic namespace ...
Definition: ArchiveInfo.h:46