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      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:
     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);
     41     HdrCapabilities& operator=(HdrCapabilities&& other);
     42 
     43     HdrCapabilities()
     44       : mSupportedHdrTypes(),
     45         mMaxLuminance(-1.0f),
     46         mMaxAverageLuminance(-1.0f),
     47         mMinLuminance(-1.0f) {}
     48 
     49     ~HdrCapabilities();
     50 
     51     const std::vector<ui::Hdr>& getSupportedHdrTypes() const {
     52         return mSupportedHdrTypes;
     53     }
     54     float getDesiredMaxLuminance() const { return mMaxLuminance; }
     55     float getDesiredMaxAverageLuminance() const { return mMaxAverageLuminance; }
     56     float getDesiredMinLuminance() const { return mMinLuminance; }
     57 
     58     // Flattenable protocol
     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