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
|
/* 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 GLK_PICTURE_H
#define GLK_PICTURE_H
#include "common/array.h"
#include "graphics/managed_surface.h"
namespace Glk {
/**
* Picture/image class
*/
struct Picture : Graphics::ManagedSurface {
private:
int _transColor;
public:
int _refCount;
uint _id;
bool _scaled;
/**
* Constructor
*/
Picture() : Graphics::ManagedSurface(), _refCount(0), _id(0), _scaled(false), _transColor(0x7777) {}
/**
* Constructor
*/
Picture(int width, int height, const Graphics::PixelFormat &fmt);
/**
* Increment reference counter
*/
void increment();
/**
* Decrement reference counter
*/
void decrement();
/**
* Draw the picture
*/
void drawPicture(const Common::Point &destPos, const Common::Rect &box);
/**
* Get the transparency color
*/
uint getTransparentColor() const { return _transColor; }
/**
* Set the transparency color
*/
void setTransparentColor(uint color) { _transColor = color; }
};
/**
* Picture entry in the in-memory store
*/
struct PictureEntry {
Picture *_picture;
Picture *_scaled;
PictureEntry() : _picture(nullptr), _scaled(nullptr) {}
};
/**
* Pictures manager
*/
class Pictures {
private:
int _refCount;
Common::Array<PictureEntry> _store;
Common::Array<uint> _adaptivePics;
Common::Array<byte> _savedPalette;
private:
/**
* Stores an original picture in the store
*/
void storeOriginal(Picture *pic);
/**
* Stores a scaled picture in the store
*/
void storeScaled(Picture *pic);
public:
/**
* Constructor
*/
Pictures();
/**
* Destructor
*/
~Pictures() { clear(); }
/**
* Clear the picture list
*/
void clear();
/**
* Increments the count of the number of pictures in use
*/
void increment();
/**
* Decrements the count of the number of pictures in use
*/
void decrement();
/**
* Searches for an existing picture entry
*/
PictureEntry *search(uint id);
/**
* Stores a picture in the store
*/
void store(Picture *pic);
/**
* Retrieves a picture from the store
*/
Picture *retrieve(uint id, bool scaled);
/**
* Load a given picture
*/
Picture *load(uint32 id);
/**
* Rescale the passed picture to a new picture of a given size
*/
Picture *scale(Picture *src, size_t sx, size_t sy);
};
} // End of namespace Glk
#endif
|
