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