1e5c31af7Sopenharmony_ci// Copyright 2019 The Amber Authors. 2e5c31af7Sopenharmony_ci// 3e5c31af7Sopenharmony_ci// Licensed under the Apache License, Version 2.0 (the "License"); 4e5c31af7Sopenharmony_ci// you may not use this file except in compliance with the License. 5e5c31af7Sopenharmony_ci// You may obtain a copy of the License at 6e5c31af7Sopenharmony_ci// 7e5c31af7Sopenharmony_ci// http://www.apache.org/licenses/LICENSE-2.0 8e5c31af7Sopenharmony_ci// 9e5c31af7Sopenharmony_ci// Unless required by applicable law or agreed to in writing, software 10e5c31af7Sopenharmony_ci// distributed under the License is distributed on an "AS IS" BASIS, 11e5c31af7Sopenharmony_ci// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12e5c31af7Sopenharmony_ci// See the License for the specific language governing permissions and 13e5c31af7Sopenharmony_ci// limitations under the License. 14e5c31af7Sopenharmony_ci 15e5c31af7Sopenharmony_ci#ifndef SAMPLES_PNG_H_ 16e5c31af7Sopenharmony_ci#define SAMPLES_PNG_H_ 17e5c31af7Sopenharmony_ci 18e5c31af7Sopenharmony_ci#include <string> 19e5c31af7Sopenharmony_ci#include <utility> 20e5c31af7Sopenharmony_ci#include <vector> 21e5c31af7Sopenharmony_ci 22e5c31af7Sopenharmony_ci#include "amber/amber.h" 23e5c31af7Sopenharmony_ci 24e5c31af7Sopenharmony_cinamespace png { 25e5c31af7Sopenharmony_ci 26e5c31af7Sopenharmony_ci/// Converts the image of dimensions |width| and |height| and with pixels stored 27e5c31af7Sopenharmony_ci/// in row-major order in |values| with format B8G8R8A8 into PNG format, 28e5c31af7Sopenharmony_ci/// returning the PNG binary as a string. 29e5c31af7Sopenharmony_ciamber::Result ConvertToPNG(uint32_t width, 30e5c31af7Sopenharmony_ci uint32_t height, 31e5c31af7Sopenharmony_ci const std::vector<amber::Value>& values, 32e5c31af7Sopenharmony_ci std::vector<uint8_t>* buffer); 33e5c31af7Sopenharmony_ci 34e5c31af7Sopenharmony_ci/// Loads a PNG image from |file_name|. Image dimensions of the loaded file are 35e5c31af7Sopenharmony_ci/// stored into |width| and |height|, and the image data is stored in a one 36e5c31af7Sopenharmony_ci/// byte per data element format into |values|. 37e5c31af7Sopenharmony_ciamber::Result LoadPNG(const std::string file_name, 38e5c31af7Sopenharmony_ci uint32_t* width, 39e5c31af7Sopenharmony_ci uint32_t* height, 40e5c31af7Sopenharmony_ci std::vector<amber::Value>* values); 41e5c31af7Sopenharmony_ci 42e5c31af7Sopenharmony_ci} // namespace png 43e5c31af7Sopenharmony_ci 44e5c31af7Sopenharmony_ci#endif // SAMPLES_PNG_H_ 45