1*ec63e07aSXin Li // Copyright 2020 Google LLC 2*ec63e07aSXin Li // 3*ec63e07aSXin Li // Licensed under the Apache License, Version 2.0 (the "License"); 4*ec63e07aSXin Li // you may not use this file except in compliance with the License. 5*ec63e07aSXin Li // You may obtain a copy of the License at 6*ec63e07aSXin Li // 7*ec63e07aSXin Li // https://www.apache.org/licenses/LICENSE-2.0 8*ec63e07aSXin Li // 9*ec63e07aSXin Li // Unless required by applicable law or agreed to in writing, software 10*ec63e07aSXin Li // distributed under the License is distributed on an "AS IS" BASIS, 11*ec63e07aSXin Li // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*ec63e07aSXin Li // See the License for the specific language governing permissions and 13*ec63e07aSXin Li // limitations under the License. 14*ec63e07aSXin Li 15*ec63e07aSXin Li #ifndef CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 16*ec63e07aSXin Li #define CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 17*ec63e07aSXin Li 18*ec63e07aSXin Li #include <cstddef> 19*ec63e07aSXin Li #include <cstdint> 20*ec63e07aSXin Li 21*ec63e07aSXin Li #include "absl/log/log.h" 22*ec63e07aSXin Li #include "sandboxed_api/util/fileops.h" 23*ec63e07aSXin Li #include "sandboxed_api/util/temp_file.h" 24*ec63e07aSXin Li 25*ec63e07aSXin Li inline constexpr size_t kWidth = 512; 26*ec63e07aSXin Li inline constexpr size_t kHeight = 512; 27*ec63e07aSXin Li inline constexpr size_t kImgLen = kWidth * kHeight * 4; 28*ec63e07aSXin Li 29*ec63e07aSXin Li // Returns a vector that contains values used for testing. 30*ec63e07aSXin Li // This part of code is taken from 31*ec63e07aSXin Li // https://github.com/lvandeve/lodepng/blob/master/examples/example_encode.c#L96-L104. 32*ec63e07aSXin Li // The generated image contains square fractals. 33*ec63e07aSXin Li std::vector<uint8_t> GenerateValues(); 34*ec63e07aSXin Li 35*ec63e07aSXin Li // Creates a temporary directory in the current working directory and returns 36*ec63e07aSXin Li // the path. 37*ec63e07aSXin Li std::string CreateTempDirAtCWD(); 38*ec63e07aSXin Li 39*ec63e07aSXin Li #endif // CONTRIB_LODEPNG_EXAMPLES_HELPERS_H_ 40