Run V8 in predictable mode for pdfium_test
[pdfium.git] / samples / image_diff_png.h
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_