xref: /aosp_15_r20/external/sandboxed-api/contrib/lodepng/examples/helpers.cc (revision ec63e07ab9515d95e79c211197c445ef84cefa6a)
1 // Copyright 2020 Google LLC
2 //
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 //     https://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 #include "helpers.h"  // NOLINT(build/include)
16 
17 #include "absl/log/check.h"
18 #include "absl/status/statusor.h"
19 #include "sandboxed_api/util/temp_file.h"
20 
GenerateValues()21 std::vector<uint8_t> GenerateValues() {
22   std::vector<uint8_t> image;
23   image.reserve(kImgLen);
24 
25   for (int y = 0; y < kHeight; ++y) {
26     for (int x = 0; x < kWidth; ++x) {
27       image.push_back(255 * !(x & y));
28       image.push_back(x ^ y);
29       image.push_back(x | y);
30       image.push_back(255);
31     }
32   }
33 
34   return image;
35 }
36 
CreateTempDirAtCWD()37 std::string CreateTempDirAtCWD() {
38   std::string cwd = sapi::file_util::fileops::GetCWD();
39   CHECK(!cwd.empty()) << "Could not get current working directory";
40   cwd.append("/");
41 
42   absl::StatusOr<std::string> result = sapi::CreateTempDir(cwd);
43   CHECK_OK(result) << "Could not create temporary directory";
44   return result.value();
45 }
46