1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_ 6 #define TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_ 7 8 #include <string> 9 #include <vector> 10 11 namespace image_diff_png { 12 13 // Decode a PNG into an RGBA pixel array. 14 bool DecodePNG(const unsigned char* input, size_t input_size, 15 std::vector<unsigned char>* output, 16 int* width, int* height); 17 18 // Encode an RGBA pixel array into a PNG. 19 bool EncodeRGBAPNG(const unsigned char* input, 20 int width, 21 int height, 22 int row_byte_width, 23 std::vector<unsigned char>* output); 24 25 // Encode an BGRA pixel array into a PNG. 26 bool EncodeBGRAPNG(const unsigned char* input, 27 int width, 28 int height, 29 int row_byte_width, 30 bool discard_transparency, 31 std::vector<unsigned char>* output); 32 33 } // namespace image_diff_png 34 35 #endif // TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_ 36