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78 lines
2.1 KiB
78 lines
2.1 KiB
2 years ago
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/*
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* Copyright (C) 2019 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android-base/file.h>
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#include <android-base/strings.h>
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#include <fstream>
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#include "DisplayColorCalibration.h"
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using android::base::ReadFileToString;
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using android::base::Split;
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using android::base::Trim;
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using android::base::WriteStringToFile;
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namespace vendor {
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namespace lineage {
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namespace livedisplay {
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namespace V2_0 {
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namespace samsung {
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static constexpr const char* kColorPath = "/sys/class/mdnie/mdnie/sensorRGB";
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bool DisplayColorCalibration::isSupported() {
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std::fstream rgb(kColorPath, rgb.in | rgb.out);
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return rgb.good();
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}
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Return<int32_t> DisplayColorCalibration::getMaxValue() {
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return 255;
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}
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Return<int32_t> DisplayColorCalibration::getMinValue() {
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return 1;
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}
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Return<void> DisplayColorCalibration::getCalibration(getCalibration_cb resultCb) {
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std::vector<int32_t> rgb;
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std::string tmp;
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if (ReadFileToString(kColorPath, &tmp)) {
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std::vector<std::string> colors = Split(Trim(tmp), " ");
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for (const std::string& color : colors) {
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rgb.push_back(std::stoi(color));
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}
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}
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resultCb(rgb);
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return Void();
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}
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Return<bool> DisplayColorCalibration::setCalibration(const hidl_vec<int32_t>& rgb) {
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std::string contents;
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for (const int32_t& color : rgb) {
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contents += std::to_string(color) + " ";
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}
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return WriteStringToFile(Trim(contents), kColorPath, true);
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}
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} // namespace samsung
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} // namespace V2_0
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} // namespace livedisplay
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} // namespace lineage
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} // namespace vendor
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