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 #ifndef CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 16 #define CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 17 18 #include <cstddef> 19 #include <cstdint> 20 21 #include "absl/log/log.h" 22 #include "sandboxed_api/util/fileops.h" 23 #include "sandboxed_api/util/temp_file.h" 24 25 inline constexpr size_t kWidth = 512; 26 inline constexpr size_t kHeight = 512; 27 inline constexpr size_t kImgLen = kWidth * kHeight * 4; 28 29 // Returns a vector that contains values used for testing. 30 // This part of code is taken from 31 // https://github.com/lvandeve/lodepng/blob/master/examples/example_encode.c#L96-L104. 32 // The generated image contains square fractals. 33 std::vector<uint8_t> GenerateValues(); 34 35 // Creates a temporary directory in the current working directory and returns 36 // the path. 37 std::string CreateTempDirAtCWD(); 38 39 #endif // CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 40