1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MUTATIONOFJB_ANIMATIONDECODER_H
#define MUTATIONOFJB_ANIMATIONDECODER_H
#include "common/rect.h"
#include "common/scummsys.h"
#include "common/str.h"
#include "graphics/surface.h"
#include "mutationofjb/encryptedfile.h"
namespace Common {
class SeekableReadStream;
}
namespace MutationOfJB {
enum {
PALETTE_COLORS = 256,
PALETTE_SIZE = PALETTE_COLORS * 3,
IMAGE_WIDTH = 320,
IMAGE_HEIGHT = 200
};
class AnimationDecoderCallback {
public:
virtual void onFrame(int frameNo, Graphics::Surface &surface) = 0;
virtual void onPaletteUpdated(byte palette[PALETTE_SIZE]) = 0;
virtual ~AnimationDecoderCallback() {}
};
class AnimationDecoder {
public:
AnimationDecoder(const Common::String &fileName);
AnimationDecoder(const Common::String &fileName, const Graphics::Surface &outSurface);
~AnimationDecoder();
bool decode(AnimationDecoderCallback *callback);
/**
* Enables partial decoding mode.
*
* @param fromFrame Frame to start decoding on (inclusive).
* @param toFrame Frame to end decoding on (inclusive).
* @param area Output surface will be confined to this area.
* @param threshold Source pixels with color index above this threshold will not be replaced.
*/
void setPartialMode(int fromFrame, int toFrame, const Common::Rect area = Common::Rect(), uint8 threshold = 0xFF);
private:
void loadPalette(Common::SeekableReadStream &stream);
void loadFullFrame(EncryptedFile &file, uint32 size);
void loadDiffFrame(EncryptedFile &file, uint32 size);
Common::String _fileName;
Graphics::Surface _surface;
bool _owningSurface;
byte _palette[PALETTE_SIZE];
int _fromFrame;
int _toFrame;
Common::Rect _area;
uint8 _threshold;
};
}
#endif
|
