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/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.hardware.pixel.display;
import com.google.hardware.pixel.display.HistogramSamplePos;
import com.google.hardware.pixel.display.Weight;
import android.hardware.graphics.common.Rect;
@VintfStability
parcelable HistogramConfig {
/**
* roi is the region of interest in the frames that should be sampled
* to collect the luma values. Rect is represented by the (int) coordinates
* of its 4 edges (left, top, right, bottom). The coordinates should be
* calculated based on the full resolution which is described by
* getHistogramCapability. Note that the right and bottom coordinates are
* exclusive.
*/
Rect roi;
/**
* The weights for red (weight_r), green (weight_g) and blue (weight_b)
* colors. The weights are used in luma calculation formula:
* luma = weight_r * red + weight_g * green + weight_b * blue
* weight_r + weight_g + weight_b should be equal to 1024
*/
Weight weights;
/**
* samplePos is the histogram sample position, could be PRE_POSTPROC
* (before post processing) or POST_POSTPROC (after post processing).
*/
HistogramSamplePos samplePos;
}
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