/src/openexr/src/lib/OpenEXR/ImfCompressionAttribute.cpp
Line | Count | Source |
1 | | // |
2 | | // SPDX-License-Identifier: BSD-3-Clause |
3 | | // Copyright (c) Contributors to the OpenEXR Project. |
4 | | // |
5 | | |
6 | | //----------------------------------------------------------------------------- |
7 | | // |
8 | | // class CompressionAttribute |
9 | | // |
10 | | //----------------------------------------------------------------------------- |
11 | | |
12 | | #define COMPILING_IMF_COMPRESSION_ATTRIBUTE |
13 | | |
14 | | #include "ImfCompressionAttribute.h" |
15 | | |
16 | | #if defined(_MSC_VER) |
17 | | // suppress warning about non-exported base classes |
18 | | # pragma warning(disable : 4275) |
19 | | #endif |
20 | | |
21 | | OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER |
22 | | |
23 | | using namespace OPENEXR_IMF_INTERNAL_NAMESPACE; |
24 | | |
25 | | template <> |
26 | | IMF_EXPORT const char* |
27 | | CompressionAttribute::staticTypeName () |
28 | 86.4k | { |
29 | 86.4k | return "compression"; |
30 | 86.4k | } |
31 | | |
32 | | template <> |
33 | | IMF_EXPORT void |
34 | | CompressionAttribute::writeValueTo ( |
35 | | OPENEXR_IMF_INTERNAL_NAMESPACE::OStream& os, int version) const |
36 | 0 | { |
37 | 0 | unsigned char tmp = _value; |
38 | 0 | Xdr::write<StreamIO> (os, tmp); |
39 | 0 | } |
40 | | |
41 | | template <> |
42 | | IMF_EXPORT void |
43 | | CompressionAttribute::readValueFrom ( |
44 | | OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is, int size, int version) |
45 | 0 | { |
46 | 0 | unsigned char tmp; |
47 | 0 | Xdr::read<StreamIO> (is, tmp); |
48 | | |
49 | | // |
50 | | // prevent invalid values being written to Compression enum |
51 | | // by forcing all unknown types to NUM_COMPRESSION_METHODS which is also an invalid |
52 | | // pixel type, but can be used as a PixelType enum value |
53 | | // (Header::sanityCheck will throw an exception when files with invalid Compression types are read) |
54 | | // |
55 | |
|
56 | 0 | if (!isValidCompression (tmp)) { tmp = NUM_COMPRESSION_METHODS; } |
57 | |
|
58 | 0 | _value = Compression (tmp); |
59 | 0 | } |
60 | | |
61 | | template class IMF_EXPORT_TEMPLATE_INSTANCE |
62 | | TypedAttribute<OPENEXR_IMF_INTERNAL_NAMESPACE::Compression>; |
63 | | |
64 | | OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT |