|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Elphin\IcoFileLoader; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* An instance of icon holds the extracted data from a .ico file |
|
7
|
|
|
*/ |
|
8
|
|
|
class Icon implements \ArrayAccess, \Countable, \Iterator |
|
9
|
|
|
{ |
|
10
|
|
|
/** |
|
11
|
|
|
* @var IconImage[] |
|
12
|
|
|
*/ |
|
13
|
|
|
private $images = []; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* @var int iterator position |
|
17
|
|
|
*/ |
|
18
|
|
|
private $position = 0; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Returns best icon image with dimensions matching w,h |
|
22
|
|
|
* @param $w |
|
23
|
|
|
* @param $h |
|
24
|
|
|
* @return IconImage|null |
|
25
|
|
|
*/ |
|
26
|
1 |
|
public function findBestForSize($w, $h) |
|
27
|
|
|
{ |
|
28
|
1 |
|
$bestBitCount = 0; |
|
29
|
1 |
|
$best = null; |
|
30
|
1 |
|
foreach ($this->images as $image) { |
|
31
|
1 |
|
if ($image->width == $w && $image->height == $h && ($image->bitCount > $bestBitCount)) { |
|
32
|
|
|
$bestBitCount = $image->bitCount; |
|
33
|
|
|
$best = $image; |
|
34
|
|
|
} |
|
35
|
1 |
|
} |
|
36
|
1 |
|
return $best; |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* Finds the highest quality image in the icon |
|
41
|
|
|
* @return IconImage |
|
42
|
|
|
*/ |
|
43
|
1 |
|
public function findBest() |
|
44
|
|
|
{ |
|
45
|
1 |
|
$bestBitCount = 0; |
|
46
|
1 |
|
$bestWidth = 0; |
|
47
|
1 |
|
$best = null; |
|
48
|
1 |
|
foreach ($this->images as $image) { |
|
49
|
1 |
|
if (($image->width > $bestWidth) || |
|
50
|
|
|
(($image->width == $bestWidth) && ($image->bitCount > $bestBitCount)) |
|
51
|
1 |
|
) { |
|
52
|
1 |
|
$bestWidth = $image->width; |
|
53
|
1 |
|
$bestBitCount = $image->bitCount; |
|
54
|
1 |
|
$best = $image; |
|
55
|
1 |
|
} |
|
56
|
1 |
|
} |
|
57
|
1 |
|
return $best; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* Count number of images in the icon |
|
62
|
|
|
* As this class implements Countable you can simply use count($icon) if you desire |
|
63
|
|
|
* @return int |
|
64
|
|
|
*/ |
|
65
|
19 |
|
public function count() |
|
66
|
|
|
{ |
|
67
|
19 |
|
return count($this->images); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* Set an icon |
|
72
|
|
|
* This is an implementation of ArrayAccess allowing you to do $icon[$x]=$image |
|
73
|
|
|
* @param integer $offset |
|
74
|
|
|
* @param IconImage $value |
|
75
|
|
|
*/ |
|
76
|
20 |
|
public function offsetSet($offset, $value) |
|
77
|
|
|
{ |
|
78
|
20 |
|
if (!$value instanceof IconImage) { |
|
79
|
1 |
|
throw new \InvalidArgumentException('Can only add IconImage instances to an Icon'); |
|
80
|
|
|
} |
|
81
|
19 |
|
if (is_null($offset)) { |
|
82
|
19 |
|
$this->images[] = $value; |
|
83
|
19 |
|
} else { |
|
84
|
1 |
|
$this->images[$offset] = $value; |
|
85
|
|
|
} |
|
86
|
19 |
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* Check if image with particular index exists |
|
90
|
|
|
* This is an implementation of ArrayAccess allowing you to do isset($icon[$x]) |
|
91
|
|
|
* @param integer $offset |
|
92
|
|
|
* @return boolean |
|
93
|
|
|
*/ |
|
94
|
1 |
|
public function offsetExists($offset) |
|
95
|
|
|
{ |
|
96
|
1 |
|
return isset($this->images[$offset]); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Remove image from icon |
|
101
|
|
|
* This is an implementation of ArrayAccess allowing you to do unset($icon[$x]) |
|
102
|
|
|
* @param integer $offset |
|
103
|
|
|
* @return boolean |
|
104
|
|
|
*/ |
|
105
|
1 |
|
public function offsetUnset($offset) |
|
106
|
|
|
{ |
|
107
|
1 |
|
unset($this->images[$offset]); |
|
108
|
1 |
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* Get image from icon |
|
112
|
|
|
* This is an implementation of ArrayAccess allowing you to do $image = $icon[$x] |
|
113
|
|
|
* @param integer $offset |
|
114
|
|
|
* @return IconImage |
|
115
|
|
|
*/ |
|
116
|
18 |
|
public function offsetGet($offset) |
|
117
|
|
|
{ |
|
118
|
18 |
|
return isset($this->images[$offset]) ? $this->images[$offset] : null; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* Implements \Iterator allowing foreach($icon as $image){} |
|
123
|
|
|
*/ |
|
124
|
1 |
|
public function rewind() |
|
125
|
|
|
{ |
|
126
|
1 |
|
$this->position = 0; |
|
127
|
1 |
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* Implements \Iterator allowing foreach($icon as $image){} |
|
131
|
|
|
*/ |
|
132
|
1 |
|
public function current() |
|
133
|
|
|
{ |
|
134
|
1 |
|
return $this->images[$this->position]; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Implements \Iterator allowing foreach($icon as $image){} |
|
139
|
|
|
*/ |
|
140
|
|
|
public function key() |
|
141
|
|
|
{ |
|
142
|
|
|
return $this->position; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
/** |
|
146
|
|
|
* Implements \Iterator allowing foreach($icon as $image){} |
|
147
|
|
|
*/ |
|
148
|
1 |
|
public function next() |
|
149
|
|
|
{ |
|
150
|
1 |
|
++$this->position; |
|
151
|
1 |
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* Implements \Iterator allowing foreach($icon as $image){} |
|
155
|
|
|
*/ |
|
156
|
1 |
|
public function valid() |
|
157
|
|
|
{ |
|
158
|
1 |
|
return isset($this->images[$this->position]); |
|
159
|
|
|
} |
|
160
|
|
|
} |
|
161
|
|
|
|
lordelph /
icofileloader
