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 #include "ImfNamespace.h" 55 56 OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER 57 58 59 class IMF_EXPORT OpaqueAttribute: public Attribute 60 { 61 public: 62 63 //---------------------------- 64 // Constructors and destructor 65 //---------------------------- 66 67 OpaqueAttribute (const char typeName[]); 68 OpaqueAttribute (const OpaqueAttribute &other); 69 virtual ~OpaqueAttribute (); 70 71 72 //------------------------------- 73 // Get this attribute's type name 74 //------------------------------- 75 76 virtual const char * typeName () const; 77 78 79 //------------------------------ 80 // Make a copy of this attribute 81 //------------------------------ 82 83 virtual Attribute * copy () const; 84 85 86 //---------------- 87 // I/O and copying 88 //---------------- 89 90 virtual void writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os, 91 int version) const; 92 93 virtual void readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, 94 int size, 95 int version); 96 97 virtual void copyValueFrom (const Attribute &other); 98 99 100 private: 101 102 Array<char> _typeName; 103 long _dataSize; 104 Array<char> _data; 105 }; 106 107 108 OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT 109 110 #endif 111