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