1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Compolomus\Compomage; |
4
|
|
|
|
5
|
|
|
use Compolomus\Compomage\Interfaces\ImageInterface; |
6
|
|
|
|
7
|
|
|
abstract class AbstractImage |
8
|
|
|
{ |
9
|
|
|
|
10
|
|
|
protected $positions = [ |
11
|
|
|
'NORTHWEST' => ['x' => 0, 'y' => 0, 'padX' => 10, 'padY' => 10], |
12
|
|
|
'NORTH' => ['x' => 1, 'y' => 0, 'padX' => 0, 'padY' => 10], |
13
|
|
|
'NORTHEAST' => ['x' => 2, 'y' => 0, 'padX' => -10, 'padY' => 10], |
14
|
|
|
'WEST' => ['x' => 0, 'y' => 1, 'padX' => 10, 'padY' => 0], |
15
|
|
|
'CENTER' => ['x' => 1, 'y' => 1, 'padX' => 0, 'padY' => 0], |
16
|
|
|
'EAST' => ['x' => 2, 'y' => 1, 'padX' => -10, 'padY' => 0], |
17
|
|
|
'SOUTHWEST' => ['x' => 0, 'y' => 2, 'padX' => 10, 'padY' => -10], |
18
|
|
|
'SOUTH' => ['x' => 1, 'y' => 2, 'padX' => 0, 'padY' => -10], |
19
|
|
|
'SOUTHEAST' => ['x' => 2, 'y' => 2, 'padX' => -10, 'padY' => -10] |
20
|
|
|
]; |
21
|
|
|
|
22
|
|
|
protected $image; |
23
|
|
|
|
24
|
|
|
protected $width; |
25
|
|
|
|
26
|
|
|
protected $height; |
27
|
|
|
|
28
|
|
|
abstract protected function setSizes(): void; |
29
|
|
|
|
30
|
|
|
abstract protected function resize(int $width, int $height): ImageInterface; |
31
|
|
|
|
32
|
|
|
abstract protected function prepareWatermark(Image $watermark, int $x, int $y): ImageInterface; |
33
|
|
|
|
34
|
|
|
abstract protected function tmp(string $source): ImageInterface; |
35
|
|
|
|
36
|
|
|
abstract public function __toString(): string; |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @param string $image |
40
|
|
|
* @throws \Exception |
41
|
|
|
*/ |
42
|
|
|
protected function init(string $image) |
43
|
|
|
{ |
44
|
|
|
switch ($image) { |
45
|
|
|
// base64 |
46
|
|
|
case base64_encode(base64_decode($image, true)) == $image : |
|
|
|
|
47
|
|
|
$this->getImageByBase64($image); |
48
|
|
|
break; |
49
|
|
|
// URL |
50
|
|
|
case (substr($image, 0, 4) == 'http') : |
|
|
|
|
51
|
|
|
$this->getImageByURL($image); |
52
|
|
|
break; |
53
|
|
|
// Local file |
54
|
|
|
default: |
55
|
|
|
$this->tmp(file_get_contents($image)); |
56
|
|
|
} |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
/** |
60
|
|
|
* @param string $url |
61
|
|
|
* @return \Exception|null |
62
|
|
|
* @throws \Exception |
63
|
|
|
*/ |
64
|
|
|
protected function getImageByURL(string $url): ?\Exception |
65
|
|
|
{ |
66
|
|
|
[, , $type] = getimagesize($url); |
|
|
|
|
67
|
|
|
if ($type) { |
68
|
|
|
$upload = new \SplFileObject($url, 'rb'); |
69
|
|
|
$image = ''; |
70
|
|
|
while (!$upload->eof()) { |
71
|
|
|
$image .= $upload->fgets(); |
72
|
|
|
} |
73
|
|
|
} else { |
74
|
|
|
throw new \Exception('Unsupported image type'); |
75
|
|
|
} |
76
|
|
|
$this->tmp($image); |
77
|
|
|
|
78
|
|
|
return null; |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
/** |
82
|
|
|
* @param string $base64 |
83
|
|
|
* @throws \Exception |
84
|
|
|
*/ |
85
|
|
|
protected function getImageByBase64(string $base64): void |
86
|
|
|
{ |
87
|
|
|
$this->tmp(base64_decode($base64)); |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
protected function setImage($image): void |
91
|
|
|
{ |
92
|
|
|
$this->image = $image; |
93
|
|
|
} |
94
|
|
|
|
95
|
|
|
public function getImage() |
96
|
|
|
{ |
97
|
|
|
return $this->image; |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
public function getWidth(): int |
101
|
|
|
{ |
102
|
|
|
return $this->width; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
protected function setWidth(int $width): void |
106
|
|
|
{ |
107
|
|
|
$this->width = $width; |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
public function getHeight(): int |
111
|
|
|
{ |
112
|
|
|
return $this->height; |
113
|
|
|
} |
114
|
|
|
|
115
|
|
|
protected function setHeight(int $height): void |
116
|
|
|
{ |
117
|
|
|
$this->height = $height; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* @param int $height |
122
|
|
|
* @return ImageInterface |
123
|
|
|
*/ |
124
|
|
|
public function resizeByHeight(int $height): ImageInterface |
125
|
|
|
{ |
126
|
|
|
return $this->resize($this->getWidth() * ($height / $this->getHeight()), $height); |
127
|
|
|
} |
128
|
|
|
|
129
|
|
|
/** |
130
|
|
|
* @param int $width |
131
|
|
|
* @return ImageInterface |
132
|
|
|
*/ |
133
|
|
|
public function resizeByWidth(int $width): ImageInterface |
134
|
|
|
{ |
135
|
|
|
return $this->resize($width, $this->getHeight() * ($width / $this->getWidth())); |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* @param int $percent |
140
|
|
|
* @return ImageInterface |
141
|
|
|
*/ |
142
|
|
|
public function resizeByPercent(int $percent): ImageInterface |
143
|
|
|
{ |
144
|
|
|
$width = $this->getWidth() * ($percent / 100); |
145
|
|
|
$height = $this->getHeight() * ($percent / 100); |
146
|
|
|
return $this->resize($width, $height); |
147
|
|
|
} |
148
|
|
|
|
149
|
|
|
/** |
150
|
|
|
* @param string $mode |
151
|
|
|
* @param int $param |
152
|
|
|
* @return ImageInterface |
153
|
|
|
* @throws \Exception |
154
|
|
|
*/ |
155
|
|
|
public function resizeBy(string $mode, int $param): ImageInterface |
156
|
|
|
{ |
157
|
|
|
switch ($mode) { |
158
|
|
|
case 'width': |
159
|
|
|
return $this->resizeByWidth($param); |
160
|
|
|
case 'height': |
161
|
|
|
return $this->resizeByHeight($param); |
162
|
|
|
case 'percent': |
163
|
|
|
return $this->resizeByPercent($param); |
164
|
|
|
default: |
165
|
|
|
throw new \Exception('Unsupported mode type by resize'); |
166
|
|
|
} |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
/** |
170
|
|
|
* @param Image $watermark |
171
|
|
|
* @param string $position |
172
|
|
|
* @return ImageInterface |
173
|
|
|
* @throws \Exception |
174
|
|
|
*/ |
175
|
|
|
public function watermark(Image $watermark, string $position): ImageInterface |
176
|
|
|
{ |
177
|
|
|
if (!array_key_exists(strtoupper($position), $this->positions)) { |
178
|
|
|
throw new \Exception('Wrong position'); |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
return $this->prepareWatermark( |
182
|
|
|
$watermark, |
183
|
|
|
intval((($this->getWidth() - $watermark->getWidth()) / 2) * $this->positions[strtoupper($position)]['x']) + $this->positions[strtoupper($position)]['padX'], |
|
|
|
|
184
|
|
|
intval((($this->getHeight() - $watermark->getHeight()) / 2) * $this->positions[strtoupper($position)]['y']) + $this->positions[strtoupper($position)]['padY'] |
|
|
|
|
185
|
|
|
); |
186
|
|
|
} |
187
|
|
|
|
188
|
|
|
public function getBase64(): string |
189
|
|
|
{ |
190
|
|
|
return chunk_split(base64_encode($this->__toString())); |
191
|
|
|
|
192
|
|
|
} |
193
|
|
|
} |
194
|
|
|
|
As per the PSR-2 coding standard, there must not be a space in front of the colon in case statements.
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.