1 /*
2  * Copyright 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_UI_HDR_CAPABILTIES_H
18 #define ANDROID_UI_HDR_CAPABILTIES_H
19 
20 #include <stdint.h>
21 
22 #include <vector>
23 
24 #include <ui/GraphicTypes.h>
25 #include <utils/Flattenable.h>
26 
27 namespace android {
28 
29 class HdrCapabilities : public LightFlattenable<HdrCapabilities>
30 {
31 public:
HdrCapabilities(const std::vector<ui::Hdr> & types,float maxLuminance,float maxAverageLuminance,float minLuminance)32     HdrCapabilities(const std::vector<ui::Hdr>& types,
33             float maxLuminance, float maxAverageLuminance, float minLuminance)
34       : mSupportedHdrTypes(types),
35         mMaxLuminance(maxLuminance),
36         mMaxAverageLuminance(maxAverageLuminance),
37         mMinLuminance(minLuminance) {}
38 
39     // Make this move-constructable and move-assignable
40     HdrCapabilities(HdrCapabilities&& other) noexcept;
41     HdrCapabilities& operator=(HdrCapabilities&& other) noexcept;
42 
HdrCapabilities()43     HdrCapabilities()
44       : mSupportedHdrTypes(),
45         mMaxLuminance(-1.0f),
46         mMaxAverageLuminance(-1.0f),
47         mMinLuminance(-1.0f) {}
48 
49     ~HdrCapabilities();
50 
getSupportedHdrTypes()51     const std::vector<ui::Hdr>& getSupportedHdrTypes() const {
52         return mSupportedHdrTypes;
53     }
getDesiredMaxLuminance()54     float getDesiredMaxLuminance() const { return mMaxLuminance; }
getDesiredMaxAverageLuminance()55     float getDesiredMaxAverageLuminance() const { return mMaxAverageLuminance; }
getDesiredMinLuminance()56     float getDesiredMinLuminance() const { return mMinLuminance; }
57 
58     // Flattenable protocol
isFixedSize()59     bool isFixedSize() const { return false; }
60     size_t getFlattenedSize() const;
61     status_t flatten(void* buffer, size_t size) const;
62     status_t unflatten(void const* buffer, size_t size);
63 
64 private:
65     std::vector<ui::Hdr> mSupportedHdrTypes;
66     float mMaxLuminance;
67     float mMaxAverageLuminance;
68     float mMinLuminance;
69 };
70 
71 } // namespace android
72 
73 #endif
74