OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2010, Google Inc. All rights reserved. | 2 * Copyright (c) 2010, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 21 matching lines...) Expand all Loading... |
32 #define PNGImageEncoder_h | 32 #define PNGImageEncoder_h |
33 | 33 |
34 #include "wtf/Vector.h" | 34 #include "wtf/Vector.h" |
35 | 35 |
36 class SkBitmap; | 36 class SkBitmap; |
37 | 37 |
38 namespace WebCore { | 38 namespace WebCore { |
39 | 39 |
40 struct ImageDataBuffer; | 40 struct ImageDataBuffer; |
41 | 41 |
42 // Interface for encoding PNG data. This is a wrapper around libpng. | |
43 class PNGImageEncoder { | 42 class PNGImageEncoder { |
44 public: | 43 public: |
45 static bool encode(const SkBitmap&, Vector<unsigned char>* output); | 44 // Encode the input data with a compression quality in [0-100]. |
46 static bool encode(const ImageDataBuffer&, Vector<unsigned char>* output); | 45 static bool encode(const SkBitmap&, int quality, Vector<unsigned char>* outp
ut); |
| 46 static bool encode(const ImageDataBuffer&, int quality, Vector<unsigned char
>* output); |
| 47 |
| 48 // For callers: provide a reasonable compression quality default. |
| 49 enum Quality { DefaultCompressionQuality = 30 }; |
47 }; | 50 }; |
48 | 51 |
49 } // namespace WebCore | 52 } // namespace WebCore |
50 | 53 |
51 #endif | 54 #endif |
OLD | NEW |