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// class PreviewImageAttribute 39// 40//----------------------------------------------------------------------------- 41 42#include <ImfPreviewImageAttribute.h> 43 44 45namespace Imf { 46 47 48template <> 49const char * 50PreviewImageAttribute::staticTypeName () 51{ 52 return "preview"; 53} 54 55 56template <> 57void 58PreviewImageAttribute::writeValueTo (OStream &os, int version) const 59{ 60 Xdr::write <StreamIO> (os, _value.width()); 61 Xdr::write <StreamIO> (os, _value.height()); 62 63 int numPixels = _value.width() * _value.height(); 64 const PreviewRgba *pixels = _value.pixels(); 65 66 for (int i = 0; i < numPixels; ++i) 67 { 68 Xdr::write <StreamIO> (os, pixels[i].r); 69 Xdr::write <StreamIO> (os, pixels[i].g); 70 Xdr::write <StreamIO> (os, pixels[i].b); 71 Xdr::write <StreamIO> (os, pixels[i].a); 72 } 73} 74 75 76template <> 77void 78PreviewImageAttribute::readValueFrom (IStream &is, int size, int version) 79{ 80 int width, height; 81 82 Xdr::read <StreamIO> (is, width); 83 Xdr::read <StreamIO> (is, height); 84 85 PreviewImage p (width, height); 86 87 int numPixels = p.width() * p.height(); 88 PreviewRgba *pixels = p.pixels(); 89 90 for (int i = 0; i < numPixels; ++i) 91 { 92 Xdr::read <StreamIO> (is, pixels[i].r); 93 Xdr::read <StreamIO> (is, pixels[i].g); 94 Xdr::read <StreamIO> (is, pixels[i].b); 95 Xdr::read <StreamIO> (is, pixels[i].a); 96 } 97 98 _value = p; 99} 100 101 102} // namespace Imf 103