Panda3D
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decompressor.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file decompressor.h
10 * @author mike
11 * @date 1997-01-09
12 */
13
14#ifndef DECOMPRESSOR_H
15#define DECOMPRESSOR_H
16
17#include "pandabase.h"
18
19#ifdef HAVE_ZLIB
20
21#include "filename.h"
22
23class Ramfile;
24
25/**
26 * This manages run-time decompression of a zlib-compressed stream, as a
27 * background or foreground task.
28 */
29class EXPCL_PANDA_DOWNLOADER Decompressor {
30PUBLISHED:
31 Decompressor();
32 ~Decompressor();
33
34 int initiate(const Filename &source_file);
35 int initiate(const Filename &source_file, const Filename &dest_file);
36 int run();
37
38 bool decompress(const Filename &source_file);
39 bool decompress(Ramfile &source_and_dest_file);
40
41 PN_stdfloat get_progress() const;
42
43PUBLISHED:
44 MAKE_PROPERTY(progress, get_progress);
45
46private:
47 void cleanup();
48
49 Filename _source_filename;
50
51 std::istream *_source;
52 std::istream *_decompress;
53 std::ostream *_dest;
54
55 size_t _source_length;
56};
57
58#include "decompressor.I"
59
60#endif // HAVE_ZLIB
61
62#endif
The name of a file, such as a texture file or an Egg file.
Definition filename.h:44
An in-memory buffer specifically designed for downloading files to memory.
Definition ramfile.h:25
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.