PBRT
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00001 00002 // 00003 // Copyright (c) 2004, Industrial Light & Magic, a division of Lucas 00004 // Digital Ltd. LLC 00005 // 00006 // All rights reserved. 00007 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are 00010 // met: 00011 // * Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // * Redistributions in binary form must reproduce the above 00014 // copyright notice, this list of conditions and the following disclaimer 00015 // in the documentation and/or other materials provided with the 00016 // distribution. 00017 // * Neither the name of Industrial Light & Magic nor the names of 00018 // its contributors may be used to endorse or promote products derived 00019 // from this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00024 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00025 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00027 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00028 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00029 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00030 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00034 00035 00036 00037 #ifndef INCLUDED_IMF_OPAQUE_ATTRIBUTE_H 00038 #define INCLUDED_IMF_OPAQUE_ATTRIBUTE_H 00039 00040 //----------------------------------------------------------------------------- 00041 // 00042 // class OpaqueAttribute 00043 // 00044 // When an image file is read, OpqaqueAttribute objects are used 00045 // to hold the values of attributes whose types are not recognized 00046 // by the reading program. OpaqueAttribute objects can be read 00047 // from an image file, copied, and written back to to another image 00048 // file, but their values are inaccessible. 00049 // 00050 //----------------------------------------------------------------------------- 00051 00052 #include <ImfAttribute.h> 00053 #include <ImfArray.h> 00054 00055 namespace Imf { 00056 00057 00058 class OpaqueAttribute: public Attribute 00059 { 00060 public: 00061 00062 //---------------------------- 00063 // Constructors and destructor 00064 //---------------------------- 00065 00066 OpaqueAttribute (const char typeName[]); 00067 OpaqueAttribute (const OpaqueAttribute &other); 00068 virtual ~OpaqueAttribute (); 00069 00070 00071 //------------------------------- 00072 // Get this attribute's type name 00073 //------------------------------- 00074 00075 virtual const char * typeName () const; 00076 00077 00078 //------------------------------ 00079 // Make a copy of this attribute 00080 //------------------------------ 00081 00082 virtual Attribute * copy () const; 00083 00084 00085 //---------------- 00086 // I/O and copying 00087 //---------------- 00088 00089 virtual void writeValueTo (OStream &os, 00090 int version) const; 00091 00092 virtual void readValueFrom (IStream &is, 00093 int size, 00094 int version); 00095 00096 virtual void copyValueFrom (const Attribute &other); 00097 00098 00099 private: 00100 00101 Array<char> _typeName; 00102 long _dataSize; 00103 Array<char> _data; 00104 }; 00105 00106 00107 } // namespace Imf 00108 00109 // Metrowerks compiler wants the .cpp file inlined, too 00110 #ifdef __MWERKS__ 00111 #include <ImfOpaqueAttribute.cpp> 00112 #endif 00113 00114 #endif