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 <stdlib.h> // for size_t. 9 10 #include <vector> 11 12 namespace image_diff_png { 13 14 // Decode a PNG into an RGBA pixel array. 15 bool DecodePNG(const unsigned char* input, size_t input_size, 16 std::vector<unsigned char>* output, 17 int* width, int* height); 18 19 // Encode an RGBA pixel array into a PNG. 20 bool EncodeRGBAPNG(const unsigned char* input, 21 int width, 22 int height, 23 int row_byte_width, 24 std::vector<unsigned char>* output); 25 26 // Encode an BGRA pixel array into a PNG. 27 bool EncodeBGRAPNG(const unsigned char* input, 28 int width, 29 int height, 30 int row_byte_width, 31 bool discard_transparency, 32 std::vector<unsigned char>* output); 33 34 } // namespace image_diff_png 35 36 #endif // TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_ 37
