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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ | 5 #ifndef WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ |
6 #define WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ | 6 #define WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "ui/gfx/codec/png_codec.h" | |
12 #include "ui/gfx/size.h" | |
13 | |
14 namespace webkit_support { | 11 namespace webkit_support { |
15 | 12 |
16 // Decode a PNG into an RGBA pixel array. | 13 // Decode a PNG into an RGBA pixel array. |
17 inline bool DecodePNG(const unsigned char* input, size_t input_size, | 14 bool DecodePNG(const unsigned char* input, size_t input_size, |
18 std::vector<unsigned char>* output, | 15 std::vector<unsigned char>* output, |
19 int* width, int* height) { | 16 int* width, int* height); |
20 return gfx::PNGCodec::Decode(input, input_size, gfx::PNGCodec::FORMAT_RGBA, | |
21 output, width, height); | |
22 } | |
23 | 17 |
24 // Encode an RGBA pixel array into a PNG. | 18 // Encode an RGBA pixel array into a PNG. |
25 inline bool EncodeRGBAPNG(const unsigned char* input, | 19 bool EncodeRGBAPNG(const unsigned char* input, |
26 int width, | 20 int width, |
27 int height, | 21 int height, |
28 int row_byte_width, | 22 int row_byte_width, |
29 std::vector<unsigned char>* output) { | 23 std::vector<unsigned char>* output); |
30 return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_RGBA, | |
31 gfx::Size(width, height), row_byte_width, false, | |
32 std::vector<gfx::PNGCodec::Comment>(), output); | |
33 } | |
34 | 24 |
35 // Encode an BGRA pixel array into a PNG. | 25 // Encode an BGRA pixel array into a PNG. |
36 inline bool EncodeBGRAPNG(const unsigned char* input, | 26 bool EncodeBGRAPNG(const unsigned char* input, |
37 int width, | 27 int width, |
38 int height, | 28 int height, |
39 int row_byte_width, | 29 int row_byte_width, |
40 bool discard_transparency, | 30 bool discard_transparency, |
41 std::vector<unsigned char>* output) { | 31 std::vector<unsigned char>* output); |
42 return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_BGRA, | |
43 gfx::Size(width, height), row_byte_width, discard_transparency, | |
44 std::vector<gfx::PNGCodec::Comment>(), output); | |
45 } | |
46 | 32 |
47 inline bool EncodeBGRAPNGWithChecksum(const unsigned char* input, | 33 bool EncodeBGRAPNGWithChecksum(const unsigned char* input, |
48 int width, | 34 int width, |
49 int height, | 35 int height, |
50 int row_byte_width, | 36 int row_byte_width, |
51 bool discard_transparency, | 37 bool discard_transparency, |
52 const std::string& checksum, | 38 const std::string& checksum, |
53 std::vector<unsigned char>* output) { | 39 std::vector<unsigned char>* output); |
54 std::vector<gfx::PNGCodec::Comment> comments; | |
55 comments.push_back(gfx::PNGCodec::Comment("checksum", checksum)); | |
56 return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_BGRA, | |
57 gfx::Size(width, height), row_byte_width, discard_transparency, | |
58 comments, output); | |
59 } | |
60 | 40 |
61 } // namespace webkit_support | 41 } // namespace webkit_support |
62 | 42 |
63 #endif // WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ | 43 #endif // WEBKIT_SUPPORT_WEBKIT_SUPPORT_GFX_H_ |
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