|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @package Image |
|
5
|
|
|
* @author Iurii Makukh |
|
6
|
|
|
* @copyright Copyright (c) 2017, Iurii Makukh |
|
7
|
|
|
* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0+ |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
namespace gplcart\modules\image\handlers; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Image action validators for Image module |
|
14
|
|
|
*/ |
|
15
|
|
|
class Validator |
|
16
|
|
|
{ |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* @param array $value |
|
20
|
|
|
* @return bool |
|
21
|
|
|
*/ |
|
22
|
|
|
public function noArguments(array $value) |
|
23
|
|
|
{ |
|
24
|
|
|
return empty($value); |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* @param array $value |
|
29
|
|
|
* @return bool |
|
30
|
|
|
*/ |
|
31
|
|
|
public function bestFit(array $value) |
|
32
|
|
|
{ |
|
33
|
|
|
return count($value) == 2 && count(array_filter($value, 'ctype_digit')) == 2; |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @param array $value |
|
38
|
|
|
* @return bool |
|
39
|
|
|
*/ |
|
40
|
|
|
public function flip(array $value) |
|
41
|
|
|
{ |
|
42
|
|
|
return count($value) == 1 && in_array($value[0], array('x', 'y', 'both'), true); |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* @param array $value |
|
47
|
|
|
* @return bool |
|
48
|
|
|
*/ |
|
49
|
|
|
public function overlay(array $value) |
|
50
|
|
|
{ |
|
51
|
|
|
if (count($value) != 5) { |
|
52
|
|
|
return false; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
list($overlay, $anchor, $opacity, $xoffset, $yoffset) = $value; |
|
56
|
|
|
|
|
57
|
|
|
$positions = array('center', 'top', 'bottom', 'left', 'right', |
|
58
|
|
|
'top left', 'top right', 'bottom left', 'bottom right'); |
|
59
|
|
|
|
|
60
|
|
|
return is_file(gplcart_file_absolute($overlay)) |
|
61
|
|
|
&& in_array($anchor, $positions) |
|
62
|
|
|
&& (is_numeric($opacity) && (0 <= $opacity) && ($opacity <= 1)) |
|
63
|
|
|
&& ctype_digit($xoffset) |
|
64
|
|
|
&& ctype_digit($yoffset); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* @param array $value |
|
69
|
|
|
* @return bool |
|
70
|
|
|
*/ |
|
71
|
|
|
public function rotate(array $value) |
|
72
|
|
|
{ |
|
73
|
|
|
if (count($value) != 2) { |
|
74
|
|
|
return false; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
list($angle, $color) = $value; |
|
78
|
|
|
|
|
79
|
|
|
return filter_var($angle, FILTER_VALIDATE_INT) !== false |
|
80
|
|
|
&& (-360 <= $angle) && ($angle <= 360) |
|
81
|
|
|
&& ($this->isHex($color) || $color === 'transparent'); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* @param array $value |
|
86
|
|
|
* @return bool |
|
87
|
|
|
*/ |
|
88
|
|
|
public function border(array $value) |
|
89
|
|
|
{ |
|
90
|
|
|
return count($value) == 2 && $this->isHex($value[0]) && ctype_digit($value[1]); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* @param array $value |
|
95
|
|
|
* @return bool |
|
96
|
|
|
*/ |
|
97
|
|
|
public function blur(array $value) |
|
98
|
|
|
{ |
|
99
|
|
|
return count($value) == 2 && in_array($value[0], array('selective', 'gaussian')) && ctype_digit($value[1]); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
/** |
|
103
|
|
|
* @param array $value |
|
104
|
|
|
* @return bool |
|
105
|
|
|
*/ |
|
106
|
|
|
public function brighten(array $value) |
|
107
|
|
|
{ |
|
108
|
|
|
return count($value) == 1 && ctype_digit($value[0]) && (0 <= $value[0]) && ($value[0] <= 100); |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* @param array $value |
|
113
|
|
|
* @return bool |
|
114
|
|
|
*/ |
|
115
|
|
|
public function contrast(array $value) |
|
116
|
|
|
{ |
|
117
|
|
|
return count($value) == 1 |
|
118
|
|
|
&& filter_var($value[0], FILTER_VALIDATE_INT) !== false |
|
119
|
|
|
&& (-100 <= $value[0]) && ($value[0] <= 100); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* @param array $value |
|
124
|
|
|
* @return bool |
|
125
|
|
|
*/ |
|
126
|
|
|
public function darken(array $value) |
|
127
|
|
|
{ |
|
128
|
|
|
return count($value) == 1 && ctype_digit($value[0]) && (0 <= $value[0]) && ($value[0] <= 100); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* @param array $value |
|
133
|
|
|
* @return bool |
|
134
|
|
|
*/ |
|
135
|
|
|
public function duotone(array $value) |
|
136
|
|
|
{ |
|
137
|
|
|
return count($value) == 2 && $this->isHex($value[0]) && $this->isHex($value[1]); |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* @param array $value |
|
142
|
|
|
* @return bool |
|
143
|
|
|
*/ |
|
144
|
|
|
public function opacity(array $value) |
|
145
|
|
|
{ |
|
146
|
|
|
return count($value) == 1 && is_numeric($value[0]) && (0 <= $value[0]) && ($value[0] <= 1); |
|
147
|
|
|
} |
|
148
|
|
|
|
|
149
|
|
|
/** |
|
150
|
|
|
* @param array $value |
|
151
|
|
|
* @return bool |
|
152
|
|
|
*/ |
|
153
|
|
|
public function pixelate(array $value) |
|
154
|
|
|
{ |
|
155
|
|
|
return count($value) == 1 && ctype_digit($value[0]); |
|
156
|
|
|
} |
|
157
|
|
|
|
|
158
|
|
|
/** |
|
159
|
|
|
* @param array $value |
|
160
|
|
|
* @return bool |
|
161
|
|
|
*/ |
|
162
|
|
|
public function color(array $value) |
|
163
|
|
|
{ |
|
164
|
|
|
return count($value) == 1 && $this->isHex($value[0]); |
|
165
|
|
|
} |
|
166
|
|
|
|
|
167
|
|
|
/** |
|
168
|
|
|
* Whether the value is a HEX color code |
|
169
|
|
|
* @param string $value |
|
170
|
|
|
* @return bool |
|
171
|
|
|
*/ |
|
172
|
|
|
protected function isHex($value) |
|
173
|
|
|
{ |
|
174
|
|
|
return preg_match('/#([a-fA-F0-9]{3}){1,2}\b/', $value) === 1; |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
} |
|
178
|
|
|
|
gplcart /
image
