/src/alembic/lib/Alembic/Abc/ISampleSelector.cpp
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1 | | //-***************************************************************************** |
2 | | // |
3 | | // Copyright (c) 2009-2011, |
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 | | #include <Alembic/Abc/ISampleSelector.h> |
38 | | |
39 | | namespace Alembic { |
40 | | namespace Abc { |
41 | | namespace ALEMBIC_VERSION_NS { |
42 | | |
43 | | //-***************************************************************************** |
44 | | index_t ISampleSelector::getIndex( const AbcA::TimeSamplingPtr & iTsmp, |
45 | | index_t iNumSamples ) const |
46 | 0 | { |
47 | 0 | index_t retIdx; |
48 | |
|
49 | 0 | if ( m_requestedIndex >= 0 ) |
50 | 0 | { |
51 | 0 | retIdx = m_requestedIndex; |
52 | 0 | } |
53 | 0 | else if ( m_requestedTimeIndexType == kNearIndex ) |
54 | 0 | { |
55 | 0 | retIdx = iTsmp->getNearIndex( m_requestedTime, iNumSamples ).first; |
56 | 0 | } |
57 | 0 | else if ( m_requestedTimeIndexType == kFloorIndex ) |
58 | 0 | { |
59 | 0 | retIdx = iTsmp->getFloorIndex( m_requestedTime, iNumSamples ).first; |
60 | 0 | } |
61 | 0 | else |
62 | 0 | { |
63 | 0 | assert( m_requestedTimeIndexType == kCeilIndex ); |
64 | 0 | retIdx = iTsmp->getCeilIndex( m_requestedTime, iNumSamples ).first; |
65 | 0 | } |
66 | | |
67 | 0 | return retIdx < 0 ? 0 : ( retIdx < iNumSamples ? retIdx : iNumSamples-1 ); |
68 | 0 | } |
69 | | |
70 | | |
71 | | } // End namespace ALEMBIC_VERSION_NS |
72 | | } // End namespace Abc |
73 | | } // End namespace Alembic |
74 | | |