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// 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 TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_
#define TOOLS_IMAGEDIFF_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 // TOOLS_IMAGEDIFF_IMAGE_DIFF_PNG_H_
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