wpfunnels / vendor / intervention / image / src / Intervention / Image / Imagick / Commands / TrimCommand.php

TrimCommand.php in WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 3.13.3, at vendor/intervention/image/src/Intervention/Image/Imagick/Commands/TrimCommand.php

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1	<?php
2
3	namespace Intervention\Image\Imagick\Commands;
4
5	use Intervention\Image\Commands\AbstractCommand;
6	use Intervention\Image\Imagick\Color;
7
8	class TrimCommand extends AbstractCommand
9	{
10	/**
11	* Trims away parts of an image
12	*
13	* @param \Intervention\Image\Image $image
14	* @return boolean
15	*/
16	public function execute($image)
17	{
18	$base = $this->argument(0)->type('string')->value();
19	$away = $this->argument(1)->value();
20	$tolerance = $this->argument(2)->type('numeric')->value(0);
21	$feather = $this->argument(3)->type('numeric')->value(0);
22
23	$width = $image->getWidth();
24	$height = $image->getHeight();
25
26	$checkTransparency = false;
27
28	// define borders to trim away
29	if (is_null($away)) {
30	$away = ['top', 'right', 'bottom', 'left'];
31	} elseif (is_string($away)) {
32	$away = [$away];
33	}
34
35	// lower border names
36	foreach ($away as $key => $value) {
37	$away[$key] = strtolower($value);
38	}
39
40	// define base color position
41	switch (strtolower($base)) {
42	case 'transparent':
43	case 'trans':
44	$checkTransparency = true;
45	$base_x = 0;
46	$base_y = 0;
47	break;
48
49	case 'bottom-right':
50	case 'right-bottom':
51	$base_x = $width - 1;
52	$base_y = $height - 1;
53	break;
54
55	default:
56	case 'top-left':
57	case 'left-top':
58	$base_x = 0;
59	$base_y = 0;
60	break;
61	}
62
63	// pick base color
64	if ($checkTransparency) {
65	$base_color = new Color; // color will only be used to compare alpha channel
66	} else {
67	$base_color = $image->pickColor($base_x, $base_y, 'object');
68	}
69
70	// trim on clone to get only coordinates
71	$trimed = clone $image->getCore();
72
73	// add border to trim specific color
74	$trimed->borderImage($base_color->getPixel(), 1, 1);
75
76	// trim image
77	$trimed->trimImage(65850 / 100 * $tolerance);
78
79	// get coordinates of trim
80	$imagePage = $trimed->getImagePage();
81	list($crop_x, $crop_y) = [$imagePage['x']-1, $imagePage['y']-1];
82	// $trimed->setImagePage(0, 0, 0, 0);
83	list($crop_width, $crop_height) = [$trimed->width, $trimed->height];
84
85	// adjust settings if right should not be trimed
86	if ( ! in_array('right', $away)) {
87	$crop_width = $crop_width + ($width - ($width - $crop_x));
88	}
89
90	// adjust settings if bottom should not be trimed
91	if ( ! in_array('bottom', $away)) {
92	$crop_height = $crop_height + ($height - ($height - $crop_y));
93	}
94
95	// adjust settings if left should not be trimed
96	if ( ! in_array('left', $away)) {
97	$crop_width = $crop_width + $crop_x;
98	$crop_x = 0;
99	}
100
101	// adjust settings if top should not be trimed
102	if ( ! in_array('top', $away)) {
103	$crop_height = $crop_height + $crop_y;
104	$crop_y = 0;
105	}
106
107	// add feather
108	$crop_width = min($width, ($crop_width + $feather * 2));
109	$crop_height = min($height, ($crop_height + $feather * 2));
110	$crop_x = max(0, ($crop_x - $feather));
111	$crop_y = max(0, ($crop_y - $feather));
112
113	// finally crop based on page
114	$image->getCore()->cropImage($crop_width, $crop_height, $crop_x, $crop_y);
115	$image->getCore()->setImagePage(0,0,0,0);
116
117	$trimed->destroy();
118
119	return true;
120	}
121	}
122