1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
|
//-*****************************************************************************
//
// Copyright (c) 2013,
// Sony Pictures Imageworks Inc. and
// Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//-*****************************************************************************
#ifndef _Alembic_Ogawa_OGroup_h_
#define _Alembic_Ogawa_OGroup_h_
#include "Foundation.h"
#include "OStream.h"
#include "OData.h"
namespace Alembic {
namespace Ogawa {
namespace ALEMBIC_VERSION_NS {
class OGroup;
typedef Alembic::Util::shared_ptr< OGroup > OGroupPtr;
class OGroup : public Alembic::Util::enable_shared_from_this< OGroup >
{
public:
~OGroup();
// create a group and add it as a child to this group
OGroupPtr addGroup();
// write the data stream and add it as a child to this group
ODataPtr addData(Alembic::Util::uint64_t iSize, const void * iData);
// write data streams from multiple sources as one continuous data stream
// and add it as a child to this group
ODataPtr addData(Alembic::Util::uint64_t iNumData,
const Alembic::Util::uint64_t * iSizes,
const void ** iDatas);
// write a data stream but DON'T add it as a child to this group
// If ODataPtr isn't added to this or any other group, you will
// end up abandoning it within the file and waste disk space.
ODataPtr createData(Alembic::Util::uint64_t iSize, const void * iData);
// write data streams as one continuous data stream but DON'T add it as a
// child to this group.
// If ODataPtr isn't added to this or any other group, you will
// end up abandoning it within the file and waste disk space.
ODataPtr createData(Alembic::Util::uint64_t iNumData,
const Alembic::Util::uint64_t * iSizes,
const void ** iDatas);
// reference existing data
void addData(ODataPtr iData);
// reference an existing group
void addGroup(OGroupPtr iGroup);
// convenience function for adding a default NULL group
void addEmptyGroup();
// convenience function for adding empty data
void addEmptyData();
// can no longer add any more children, we can still update them
// via the replace calls though
void freeze();
bool isFrozen();
Alembic::Util::uint64_t getNumChildren() const;
bool isChildGroup(Alembic::Util::uint64_t iIndex) const;
bool isChildData(Alembic::Util::uint64_t iIndex) const;
bool isChildEmptyGroup(Alembic::Util::uint64_t iIndex) const;
bool isChildEmptyData(Alembic::Util::uint64_t iIndex) const;
void replaceData(Alembic::Util::uint64_t iIndex, ODataPtr iData);
// currently I'm going to leave this out, because a bad implementation
// could cause all sorts of subtle race conditions when unfrozen children
// are suddenly frozen. It may also not be necessary (you can still
// reference an existing group)
// if this is necessary, an easy compromise might be that iGroup HAS to
// be frozen, much like how replaceData deals with something implicitly
// frozen
//void replaceGroup(Alembic::Util::uint64_t iIndex, OGroupPtr iGroup);
private:
friend class OArchive;
OGroup(OStreamPtr iStream);
OGroup(OGroupPtr iParent, Alembic::Util::uint64_t iIndex);
class PrivateData;
Alembic::Util::auto_ptr< PrivateData > mData;
};
} // End namespace ALEMBIC_VERSION_NS
using namespace ALEMBIC_VERSION_NS;
} // End namespace Ogawa
} // End namespace Alembic
#endif
|