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 <chrono>
17 #include <ctime>
18 #include <iomanip>
19 #include <sstream>
20 
21 #include "common/rs_common_tools.h"
22 #include "fstream"
23 #include "pixel_map.h"
24 #include "platform/common/rs_log.h"
25 
26 namespace OHOS {
27 namespace Rosen {
28 namespace CommonTools {
GetLocalTime()29 std::string GetLocalTime()
30 {
31     // time string : "year-month-day hour_minute_second.millisecond"
32     auto now = std::chrono::system_clock::now();
33     auto ms = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()) % 1000;
34     std::time_t t = std::chrono::system_clock::to_time_t(now);
35     std::tm* tm = std::localtime(&t);
36 
37     std::stringstream ss;
38     int millSecondWidth = 3; // millsecond width
39     ss << std::put_time(tm, "%Y-%m-%d %H_%M_%S.") << std::setfill('0') << std::setw(millSecondWidth) << ms.count();
40     return ss.str();
41 }
42 
SavePixelmapToFile(const std::shared_ptr<Media::PixelMap> & pixelMap,const std::string & dst)43 void SavePixelmapToFile(const std::shared_ptr<Media::PixelMap>& pixelMap, const std::string& dst)
44 {
45     int32_t w = pixelMap->GetWidth();
46     int32_t h = pixelMap->GetHeight();
47     int32_t totalSize = pixelMap->GetByteCount();
48     std::string localTime = GetLocalTime();
49     int32_t rowStirde = pixelMap->GetRowStride();
50     std::string fileName = dst + localTime + "_w" + std::to_string(w) + "_h" + std::to_string(h) +
51                            "_stride" + std::to_string(rowStirde) + ".dat";
52     std::ofstream outfile(fileName, std::fstream::out);
53     if (!outfile.is_open()) {
54         RS_LOGE("SavePixelmapToFile write error, path=%{public}s", fileName.c_str());
55         return;
56     }
57     outfile.write(reinterpret_cast<const char*>(pixelMap->GetPixels()), totalSize);
58     outfile.close();
59     RS_LOGI("SavePixelmapToFile write success, path=%{public}s", fileName.c_str());
60 }
61 }
62 } // namespace Rosen
63 } // namespace OHOS