flutter_flutter/tools/imagediff/image_diff_png.h
Ojan Vafai f89114f222 Revert "Revert "Add image_diff from the chromium repo.""
This reverts commit 79d76b3da8f72ca3affaaaf2821b1d0bb212f522.

The BUILD.gn file needed a dep to //build/config/sanitizers:deps
in order to link under the asan build.

TBR=blundell@chromium.org

Review URL: https://codereview.chromium.org/804563002
2014-12-12 09:48:46 -08:00

36 lines
1.1 KiB
C++

// 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 <string>
#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_