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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 The Android Open Source Project | 3 * Copyright 2010 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkFlate_DEFINED | 10 #ifndef SkFlate_DEFINED |
11 #define SkFlate_DEFINED | 11 #define SkFlate_DEFINED |
12 | 12 |
13 #include "SkTypes.h" | 13 #include "SkTypes.h" |
14 | 14 |
| 15 #ifndef Sk_NO_FLATE |
| 16 |
15 class SkData; | 17 class SkData; |
16 class SkWStream; | 18 class SkWStream; |
17 class SkStream; | 19 class SkStream; |
18 | 20 |
19 /** \class SkFlate | 21 /** \class SkFlate |
20 A class to provide access to the flate compression algorithm. | 22 A class to provide access to the flate compression algorithm. |
21 */ | 23 */ |
22 class SkFlate { | 24 class SkFlate { |
23 public: | 25 public: |
24 /** Indicates if the flate algorithm is available. | |
25 */ | |
26 static bool HaveFlate(); | |
27 | |
28 /** | 26 /** |
29 * Use the flate compression algorithm to compress the data in src, | 27 * Use the flate compression algorithm to compress the data in src, |
30 * putting the result into dst. Returns false if an error occurs. | 28 * putting the result into dst. Returns false if an error occurs. |
31 */ | 29 */ |
32 static bool Deflate(SkStream* src, SkWStream* dst); | 30 static bool Deflate(SkStream* src, SkWStream* dst); |
33 | 31 |
34 /** | 32 /** |
35 * Use the flate compression algorithm to compress the data in src, | 33 * Use the flate compression algorithm to compress the data in src, |
36 * putting the result into dst. Returns false if an error occurs. | 34 * putting the result into dst. Returns false if an error occurs. |
37 */ | 35 */ |
38 static bool Deflate(const void* src, size_t len, SkWStream* dst); | 36 static bool Deflate(const void* src, size_t len, SkWStream* dst); |
39 | 37 |
40 /** | 38 /** |
41 * Use the flate compression algorithm to compress the data, | 39 * Use the flate compression algorithm to compress the data, |
42 * putting the result into dst. Returns false if an error occurs. | 40 * putting the result into dst. Returns false if an error occurs. |
43 */ | 41 */ |
44 static bool Deflate(const SkData*, SkWStream* dst); | 42 static bool Deflate(const SkData*, SkWStream* dst); |
45 | 43 |
46 /** Use the flate compression algorithm to decompress the data in src, | 44 /** Use the flate compression algorithm to decompress the data in src, |
47 putting the result into dst. Returns false if an error occurs. | 45 putting the result into dst. Returns false if an error occurs. |
48 */ | 46 */ |
49 static bool Inflate(SkStream* src, SkWStream* dst); | 47 static bool Inflate(SkStream* src, SkWStream* dst); |
50 }; | 48 }; |
51 | 49 |
52 #endif | 50 #endif // SK_NO_FLATE |
| 51 #endif // SkFlate_DEFINED |
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