Alembic: Ogawa/OData.h Source File

Alembic 1.8.11

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OData.h
1//-*****************************************************************************
2//
3// Copyright (c) 2013,
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 Industrial Light & Magic nor the names of
19// its contributors may be used to endorse or promote products derived
20// from this software without specific prior written permission.
21//
22// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33//
34//-*****************************************************************************
35
36#ifndef Alembic_Ogawa_OData_h
37#define Alembic_Ogawa_OData_h
38
39#include <Alembic/Util/Export.h>
40#include <Alembic/Ogawa/Foundation.h>
41#include <Alembic/Ogawa/OStream.h>
42
43namespace Alembic {
44namespace Ogawa {
45namespace ALEMBIC_VERSION_NS {
46
47 class ALEMBIC_EXPORT OData
48{
49public:
50
51 // creates a default empty group
52 OData();
53
54 ~OData();
55
56 // rewrites over part of the already written data, does not change
57 // the size of the already written data. If what is attempting
58 // to be rewritten exceeds the boundaries of what is already written,
59 // the existing data will be unchanged
60 void rewrite(Alembic::Util::uint64_t iSize, void * iData,
61 Alembic::Util::uint64_t iOffset=0);
62
63 Alembic::Util::uint64_t getSize() const;
64
65private:
66 friend class OGroup; // friend so we can call the constructor below
67 OData(OStreamPtr iStream, Alembic::Util::uint64_t iPos,
68 Alembic::Util::uint64_t iSize);
69
70 Alembic::Util::uint64_t getPos() const;
71
72 class PrivateData;
73 Alembic::Util::unique_ptr< PrivateData > mData;
74};
75
76typedef Alembic::Util::shared_ptr< OData > ODataPtr;
77
78} // End namespace ALEMBIC_VERSION_NS
79
80using namespace ALEMBIC_VERSION_NS;
81
82} // End namespace Ogawa
83
84} // End namespace Alembic
85
86#endif
Alembic::Ogawa::ALEMBIC_VERSION_NS::OData::PrivateData
Definition OData.cpp:45
Alembic
Alembic namespace ...
Definition ArchiveInfo.cpp:39