// Copyright 2013 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef SAMPLES_IMAGE_DIFF_PNG_H_ #define SAMPLES_IMAGE_DIFF_PNG_H_ #include <stdlib.h> // for size_t. #include <vector> namespace image_diff_png { // Decode a PNG into an RGBA pixel array. bool DecodePNG(const unsigned char* input, size_t input_size, std::vector<unsigned char>* output, int* width, int* height); // Encode an RGBA pixel array into a PNG. bool EncodeRGBAPNG(const unsigned char* input, int width, int height, int row_byte_width, std::vector<unsigned char>* output); // Encode an BGRA pixel array into a PNG. bool EncodeBGRAPNG(const unsigned char* input, int width, int height, int row_byte_width, bool discard_transparency, std::vector<unsigned char>* output); } // namespace image_diff_png #endif // SAMPLES_IMAGE_DIFF_PNG_H_