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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* 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 SHERLOCK_IMAGE_FILE_H
#define SHERLOCK_IMAGE_FILE_H
#include "common/array.h"
#include "common/file.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/rect.h"
#include "common/str.h"
#include "common/stream.h"
#include "graphics/surface.h"
namespace Sherlock {
class SherlockEngine;
struct ImageFrame {
uint32 _size;
uint16 _width, _height;
int _paletteBase;
bool _rleEncoded;
Common::Point _offset;
byte _rleMarker;
Graphics::Surface _frame;
/**
* Decompress a single frame for the sprite
*/
void decompressFrame(const byte *src, bool isRoseTattoo);
/**
* Return the frame width adjusted by a specified scale amount
*/
int sDrawXSize(int scaleVal) const;
/**
* Return the frame height adjusted by a specified scale amount
*/
int sDrawYSize(int scaleVal) const;
/**
* Return the frame offset x adjusted by a specified scale amount
*/
int sDrawXOffset(int scaleVal) const;
/**
* Return the frame offset y adjusted by a specified scale amount
*/
int sDrawYOffset(int scaleVal) const;
};
class ImageFile : public Common::Array<ImageFrame> {
private:
static SherlockEngine *_vm;
/**
* Load the data of the sprite
*/
void load(Common::SeekableReadStream &stream, bool skipPalette, bool animImages);
/**
* Gets the palette at the start of the sprite file
*/
void loadPalette(Common::SeekableReadStream &stream);
public:
byte _palette[256 * 3];
public:
ImageFile();
ImageFile(const Common::String &name, bool skipPal = false, bool animImages = false);
ImageFile(Common::SeekableReadStream &stream, bool skipPal = false);
~ImageFile();
static void setVm(SherlockEngine *vm);
};
enum ImageFile3DOType {
kImageFile3DOType_Animation = 0,
kImageFile3DOType_Cel = 1,
kImageFile3DOType_CelAnimation = 2,
kImageFile3DOType_RoomFormat = 3,
kImageFile3DOType_Font = 4
};
struct ImageFile3DOPixelLookupTable {
uint16 pixelColor[256];
};
class ImageFile3DO : public ImageFile { // Common::Array<ImageFrame> {
private:
static SherlockEngine *_vm;
/**
* Load the data of the sprite
*/
void load(Common::SeekableReadStream &stream, bool isRoomData);
/**
* convert pixel RGB values from RGB555 to RGB565
*/
inline uint16 convertPixel(uint16 pixel3DO);
/**
* Load 3DO cel file
*/
void load3DOCelFile(Common::SeekableReadStream &stream);
/**
* Load 3DO cel data (room file format)
*/
void load3DOCelRoomData(Common::SeekableReadStream &stream);
inline uint16 celGetBits(const byte *&dataPtr, byte bitCount, byte &dataBitsLeft);
/**
* Decompress a single frame of a 3DO cel file
*/
void decompress3DOCelFrame(ImageFrame &frame, const byte *dataPtr, uint32 dataSize, byte bitsPerPixel, ImageFile3DOPixelLookupTable *pixelLookupTable);
/**
* Load animation graphics file
*/
void loadAnimationFile(Common::SeekableReadStream &stream);
/**
* Load Sherlock Holmes 3DO font file
*/
void loadFont(Common::SeekableReadStream &stream);
public:
ImageFile3DO(const Common::String &name, ImageFile3DOType imageFile3DOType);
ImageFile3DO(Common::SeekableReadStream &stream, bool isRoomData = false);
~ImageFile3DO();
static void setVm(SherlockEngine *vm);
};
#define STREAMING_BUFFER_SIZE 65536
class StreamingImageFile {
private:
int _frameNumber;
Common::SeekableReadStream *_stream;
bool _compressed;
byte _buffer[STREAMING_BUFFER_SIZE];
public:
ImageFrame _imageFrame;
Common::Point _position; // Animation position
Common::Rect _oldBounds; // Bounds of previous frame
Common::Rect _removeBounds; // Remove area for just drawn frame
int _flags; // Flags
int _scaleVal; // Specifies the scale amount
int _zPlacement; // Used by doBgAnim for determining Z order
public:
StreamingImageFile();
~StreamingImageFile();
/**
* Initialize reading of the specified stream
*/
void load(Common::SeekableReadStream *stream, bool compressed);
/**
* Close the streamining image file
*/
void close();
/**
* Get the next frame of the file
*/
void getNextFrame();
/**
* Returns whether there are any remaining frames or not
*/
bool active() const { return _stream != nullptr && _stream->pos() < _stream->size(); }
/**
* Return the current frame number
*/
int frameNumber() const { return _frameNumber; }
};
} // End of namespace Sherlock
#endif
|
