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 #ifndef INCLUDED_IMF_OPAQUE_ATTRIBUTE_H 38 #define INCLUDED_IMF_OPAQUE_ATTRIBUTE_H 39 40 //----------------------------------------------------------------------------- 41 // 42 // class OpaqueAttribute 43 // 44 // When an image file is read, OpqaqueAttribute objects are used 45 // to hold the values of attributes whose types are not recognized 46 // by the reading program. OpaqueAttribute objects can be read 47 // from an image file, copied, and written back to to another image 48 // file, but their values are inaccessible. 49 // 50 //----------------------------------------------------------------------------- 51 52 #include <ImfAttribute.h> 53 #include <ImfArray.h> 54 55 namespace Imf { 56 57 58 class OpaqueAttribute: public Attribute 59 { 60 public: 61 62 //---------------------------- 63 // Constructors and destructor 64 //---------------------------- 65 66 OpaqueAttribute (const char typeName[]); 67 OpaqueAttribute (const OpaqueAttribute &other); 68 virtual ~OpaqueAttribute (); 69 70 71 //------------------------------- 72 // Get this attribute's type name 73 //------------------------------- 74 75 virtual const char * typeName () const; 76 77 78 //------------------------------ 79 // Make a copy of this attribute 80 //------------------------------ 81 82 virtual Attribute * copy () const; 83 84 85 //---------------- 86 // I/O and copying 87 //---------------- 88 89 virtual void writeValueTo (OStream &os, 90 int version) const; 91 92 virtual void readValueFrom (IStream &is, 93 int size, 94 int version); 95 96 virtual void copyValueFrom (const Attribute &other); 97 98 99 private: 100 101 Array<char> _typeName; 102 long _dataSize; 103 Array<char> _data; 104 }; 105 106 107 } // namespace Imf 108 109 // Metrowerks compiler wants the .cpp file inlined, too 110 #ifdef __MWERKS__ 111 #include <ImfOpaqueAttribute.cpp> 112 #endif 113 114 #endif 115