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 45 namespace Imf { 46 47 48 template <> 49 const char * 50 PreviewImageAttribute::staticTypeName () 51 { 52 return "preview"; 53 } 54 55 56 template <> 57 void 58 PreviewImageAttribute::writeValueTo (OStream &os, int) 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 76 template <> 77 void 78 PreviewImageAttribute::readValueFrom (IStream &is, int, int) 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
