1 ///////////////////////////////////////////////////////////////////////////
2 //
3 // Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
4 // Digital Ltd. LLC
5 //
6 // All rights reserved.
7 //
8 // Redistribution and use in source and binary forms, with or without
9 // modification, are permitted provided that the following conditions are
10 // met:
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
16 // distribution.
17 // * Neither the name of Industrial Light & Magic nor the names of
18 // its contributors may be used to endorse or promote products derived
19 // from this software without specific prior written permission.
20 //
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 //
33 ///////////////////////////////////////////////////////////////////////////
34
35
36
37 //-----------------------------------------------------------------------------
38 //
39 // class OpaqueAttribute
40 //
41 //-----------------------------------------------------------------------------
42
43 #include <ImfOpaqueAttribute.h>
44 #include "Iex.h"
45 #include <string.h>
46 #include "ImfNamespace.h"
47
48 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
49
50
OpaqueAttribute(const char typeName[])51 OpaqueAttribute::OpaqueAttribute (const char typeName[]):
52 _typeName (strlen (typeName) + 1),
53 _dataSize (0)
54 {
55 strcpy (_typeName, typeName);
56 }
57
58
OpaqueAttribute(const OpaqueAttribute & other)59 OpaqueAttribute::OpaqueAttribute (const OpaqueAttribute &other):
60 _typeName (strlen (other._typeName) + 1),
61 _dataSize (other._dataSize),
62 _data (other._dataSize)
63 {
64 strcpy (_typeName, other._typeName);
65 _data.resizeErase (other._dataSize);
66 memcpy ((char *) _data, (const char *) other._data, other._dataSize);
67 }
68
69
~OpaqueAttribute()70 OpaqueAttribute::~OpaqueAttribute ()
71 {
72 // empty
73 }
74
75
76 const char *
typeName() const77 OpaqueAttribute::typeName () const
78 {
79 return _typeName;
80 }
81
82
83 Attribute *
copy() const84 OpaqueAttribute::copy () const
85 {
86 return new OpaqueAttribute (*this);
87 }
88
89
90 void
writeValueTo(OPENEXR_IMF_INTERNAL_NAMESPACE::OStream & os,int version) const91 OpaqueAttribute::writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os, int version) const
92 {
93 Xdr::write <StreamIO> (os, _data, _dataSize);
94 }
95
96
97 void
readValueFrom(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream & is,int size,int version)98 OpaqueAttribute::readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)
99 {
100 _data.resizeErase (size);
101 _dataSize = size;
102 Xdr::read <StreamIO> (is, _data, size);
103 }
104
105
106 void
copyValueFrom(const Attribute & other)107 OpaqueAttribute::copyValueFrom (const Attribute &other)
108 {
109 const OpaqueAttribute *oa = dynamic_cast <const OpaqueAttribute *> (&other);
110
111 if (oa == 0 || strcmp (_typeName, oa->_typeName))
112 {
113 THROW (IEX_NAMESPACE::TypeExc, "Cannot copy the value of an "
114 "image file attribute of type "
115 "\"" << other.typeName() << "\" "
116 "to an attribute of type "
117 "\"" << _typeName << "\".");
118 }
119
120 _data.resizeErase (oa->_dataSize);
121 _dataSize = oa->_dataSize;
122 memcpy ((char *) _data, (const char *) oa->_data, oa->_dataSize);
123 }
124
125
126 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
127