/src/openexr/src/lib/OpenEXR/ImfTileDescriptionAttribute.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 TileDescriptionAttribute |
9 | | // |
10 | | //----------------------------------------------------------------------------- |
11 | | |
12 | | #define COMPILING_IMF_STRING_VECTOR_ATTRIBUTE |
13 | | #include "ImfTileDescriptionAttribute.h" |
14 | | |
15 | | #if defined(_MSC_VER) |
16 | | // suppress warning about non-exported base classes |
17 | | # pragma warning(disable : 4251) |
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 | | TileDescriptionAttribute::staticTypeName () |
28 | 198 | { |
29 | 198 | return "tiledesc"; |
30 | 198 | } |
31 | | |
32 | | template <> |
33 | | IMF_EXPORT void |
34 | | TileDescriptionAttribute::writeValueTo ( |
35 | | OPENEXR_IMF_INTERNAL_NAMESPACE::OStream& os, int version) const |
36 | 0 | { |
37 | 0 | Xdr::write<StreamIO> (os, _value.xSize); |
38 | 0 | Xdr::write<StreamIO> (os, _value.ySize); |
39 | |
|
40 | 0 | unsigned char tmp = _value.mode | (_value.roundingMode << 4); |
41 | 0 | Xdr::write<StreamIO> (os, tmp); |
42 | 0 | } |
43 | | |
44 | | template <> |
45 | | IMF_EXPORT void |
46 | | TileDescriptionAttribute::readValueFrom ( |
47 | | OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is, int size, int version) |
48 | 0 | { |
49 | 0 | Xdr::read<StreamIO> (is, _value.xSize); |
50 | 0 | Xdr::read<StreamIO> (is, _value.ySize); |
51 | |
|
52 | 0 | unsigned char tmp; |
53 | 0 | Xdr::read<StreamIO> (is, tmp); |
54 | | |
55 | | // |
56 | | // four bits are allocated for 'mode' for future use (16 possible values) |
57 | | // but only values 0,1,2 are currently valid. '3' is a special valid enum value |
58 | | // that indicates bad values have been used |
59 | | // |
60 | | // roundingMode can only be 0 or 1, and 2 is a special enum value for 'bad enum' |
61 | | // |
62 | 0 | unsigned char levelMode = tmp & 0x0f; |
63 | 0 | if (levelMode > 3) { levelMode = 3; } |
64 | |
|
65 | 0 | _value.mode = LevelMode (levelMode); |
66 | |
|
67 | 0 | unsigned char levelRoundingMode = (tmp >> 4) & 0x0f; |
68 | 0 | if (levelRoundingMode > 2) { levelRoundingMode = 2; } |
69 | |
|
70 | 0 | _value.roundingMode = LevelRoundingMode (levelRoundingMode); |
71 | 0 | } |
72 | | |
73 | | template class IMF_EXPORT_TEMPLATE_INSTANCE |
74 | | TypedAttribute<OPENEXR_IMF_INTERNAL_NAMESPACE::TileDescription>; |
75 | | |
76 | | OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT |