1 /*
2  * Copyright (C) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "box/item_property_display_box.h"
17 
18 #include <string>
19 
20 #include "heif_constant.h"
21 #include "heif_error.h"
22 #include "heif_stream.h"
23 
24 namespace OHOS {
25 namespace ImagePlugin {
26 
ParseContent(HeifStreamReader & reader)27 heif_error HeifMdcvBox::ParseContent(HeifStreamReader &reader)
28 {
29     colourVolume_.red.x = reader.Read16();
30     colourVolume_.red.y = reader.Read16();
31     colourVolume_.green.x = reader.Read16();
32     colourVolume_.green.y = reader.Read16();
33     colourVolume_.blue.x = reader.Read16();
34     colourVolume_.blue.y = reader.Read16();
35     colourVolume_.whitePoint.x = reader.Read16();
36     colourVolume_.whitePoint.y = reader.Read16();
37     colourVolume_.luminanceMax = reader.Read32();
38     colourVolume_.luminanceMin = reader.Read32();
39     return reader.GetError();
40 }
41 
Write(HeifStreamWriter & writer) const42 heif_error HeifMdcvBox::Write(HeifStreamWriter &writer) const
43 {
44     size_t boxStart = ReserveHeader(writer);
45 
46     writer.Write16(colourVolume_.red.x);
47     writer.Write16(colourVolume_.red.y);
48     writer.Write16(colourVolume_.green.x);
49     writer.Write16(colourVolume_.green.y);
50     writer.Write16(colourVolume_.blue.x);
51     writer.Write16(colourVolume_.blue.y);
52     writer.Write16(colourVolume_.whitePoint.x);
53     writer.Write16(colourVolume_.whitePoint.y);
54     writer.Write32(colourVolume_.luminanceMax);
55     writer.Write32(colourVolume_.luminanceMin);
56 
57     WriteCalculatedHeader(writer, boxStart);
58     return heif_error_ok;
59 }
60 
ParseContent(HeifStreamReader & reader)61 heif_error HeifClliBox::ParseContent(HeifStreamReader &reader)
62 {
63     lightLevel_.maxContentLightLevel = reader.Read16();
64     lightLevel_.maxPicAverageLightLevel = reader.Read16();
65     return reader.GetError();
66 }
67 
Write(HeifStreamWriter & writer) const68 heif_error HeifClliBox::Write(HeifStreamWriter &writer) const
69 {
70     size_t boxStart = ReserveHeader(writer);
71 
72     writer.Write16(lightLevel_.maxContentLightLevel);
73     writer.Write16(lightLevel_.maxPicAverageLightLevel);
74 
75     WriteCalculatedHeader(writer, boxStart);
76     return heif_error_ok;
77 }
78 }
79 }