hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright 2013 The PDFium Authors
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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 TESTING_IMAGE_DIFF_IMAGE_DIFF_PNG_H_
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#define TESTING_IMAGE_DIFF_IMAGE_DIFF_PNG_H_
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#include <stdlib.h> // for size_t.
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#include <vector>
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#include "third_party/base/span.h"
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namespace image_diff_png {
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// Decode a PNG into an RGBA pixel array, or BGRA pixel array if
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// |reverse_byte_order| is set to true.
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std::vector<uint8_t> DecodePNG(pdfium::span<const uint8_t> input,
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bool reverse_byte_order,
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int* width,
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int* height);
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// Encode a BGR pixel array into a PNG.
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std::vector<uint8_t> EncodeBGRPNG(pdfium::span<const uint8_t> 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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// Encode an RGBA pixel array into a PNG.
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std::vector<uint8_t> EncodeRGBAPNG(pdfium::span<const uint8_t> 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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// Encode an BGRA pixel array into a PNG.
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std::vector<uint8_t> EncodeBGRAPNG(pdfium::span<const uint8_t> 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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// Encode a grayscale pixel array into a PNG.
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std::vector<uint8_t> EncodeGrayPNG(pdfium::span<const uint8_t> 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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} // namespace image_diff_png
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#endif // TESTING_IMAGE_DIFF_IMAGE_DIFF_PNG_H_
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