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,
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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 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
46
47 using namespace OPENEXR_IMF_INTERNAL_NAMESPACE;
48
49 template <>
50 const char *
staticTypeName()51 PreviewImageAttribute::staticTypeName ()
52 {
53 return "preview";
54 }
55
56
57 template <>
58 void
writeValueTo(OPENEXR_IMF_INTERNAL_NAMESPACE::OStream & os,int version) const59 PreviewImageAttribute::writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os, int version) const
60 {
61 Xdr::write <StreamIO> (os, _value.width());
62 Xdr::write <StreamIO> (os, _value.height());
63
64 int numPixels = _value.width() * _value.height();
65 const PreviewRgba *pixels = _value.pixels();
66
67 for (int i = 0; i < numPixels; ++i)
68 {
69 Xdr::write <StreamIO> (os, pixels[i].r);
70 Xdr::write <StreamIO> (os, pixels[i].g);
71 Xdr::write <StreamIO> (os, pixels[i].b);
72 Xdr::write <StreamIO> (os, pixels[i].a);
73 }
74 }
75
76
77 template <>
78 void
readValueFrom(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream & is,int size,int version)79 PreviewImageAttribute::readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)
80 {
81 int width, height;
82
83 Xdr::read <StreamIO> (is, width);
84 Xdr::read <StreamIO> (is, height);
85
86 PreviewImage p (width, height);
87
88 int numPixels = p.width() * p.height();
89 PreviewRgba *pixels = p.pixels();
90
91 for (int i = 0; i < numPixels; ++i)
92 {
93 Xdr::read <StreamIO> (is, pixels[i].r);
94 Xdr::read <StreamIO> (is, pixels[i].g);
95 Xdr::read <StreamIO> (is, pixels[i].b);
96 Xdr::read <StreamIO> (is, pixels[i].a);
97 }
98
99 _value = p;
100 }
101
102
103 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
104