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

TrimCommand.php in WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 3.13.1, at vendor/intervention/image/src/Intervention/Image/Gd/Commands/TrimCommand.php

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1	<?php
2
3	namespace Intervention\Image\Gd\Commands;
4
5	use Intervention\Image\Gd\Color;
6
7	class TrimCommand extends ResizeCommand
8	{
9	/**
10	* Trims away parts of an image
11	*
12	* @param \Intervention\Image\Image $image
13	* @return boolean
14	*/
15	public function execute($image)
16	{
17	$base = $this->argument(0)->type('string')->value();
18	$away = $this->argument(1)->value();
19	$tolerance = $this->argument(2)->type('numeric')->value(0);
20	$feather = $this->argument(3)->type('numeric')->value(0);
21
22	$width = $image->getWidth();
23	$height = $image->getHeight();
24
25	// default values
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	$color = new Color; // color will only be used to compare alpha channel
66	} else {
67	$color = $image->pickColor($base_x, $base_y, 'object');
68	}
69
70	$top_x = 0;
71	$top_y = 0;
72	$bottom_x = $width;
73	$bottom_y = $height;
74
75	// search upper part of image for colors to trim away
76	if (in_array('top', $away)) {
77
78	for ($y=0; $y < ceil($height/2); $y++) {
79	for ($x=0; $x < $width; $x++) {
80
81	$checkColor = $image->pickColor($x, $y, 'object');
82
83	if ($checkTransparency) {
84	$checkColor->r = $color->r;
85	$checkColor->g = $color->g;
86	$checkColor->b = $color->b;
87	}
88
89	if ($color->differs($checkColor, $tolerance)) {
90	$top_y = max(0, $y - $feather);
91	break 2;
92	}
93
94	}
95	}
96
97	}
98
99	// search left part of image for colors to trim away
100	if (in_array('left', $away)) {
101
102	for ($x=0; $x < ceil($width/2); $x++) {
103	for ($y=$top_y; $y < $height; $y++) {
104
105	$checkColor = $image->pickColor($x, $y, 'object');
106
107	if ($checkTransparency) {
108	$checkColor->r = $color->r;
109	$checkColor->g = $color->g;
110	$checkColor->b = $color->b;
111	}
112
113	if ($color->differs($checkColor, $tolerance)) {
114	$top_x = max(0, $x - $feather);
115	break 2;
116	}
117
118	}
119	}
120
121	}
122
123	// search lower part of image for colors to trim away
124	if (in_array('bottom', $away)) {
125
126	for ($y=($height-1); $y >= floor($height/2)-1; $y--) {
127	for ($x=$top_x; $x < $width; $x++) {
128
129	$checkColor = $image->pickColor($x, $y, 'object');
130
131	if ($checkTransparency) {
132	$checkColor->r = $color->r;
133	$checkColor->g = $color->g;
134	$checkColor->b = $color->b;
135	}
136
137	if ($color->differs($checkColor, $tolerance)) {
138	$bottom_y = min($height, $y+1 + $feather);
139	break 2;
140	}
141
142	}
143	}
144
145	}
146
147	// search right part of image for colors to trim away
148	if (in_array('right', $away)) {
149
150	for ($x=($width-1); $x >= floor($width/2)-1; $x--) {
151	for ($y=$top_y; $y < $bottom_y; $y++) {
152
153	$checkColor = $image->pickColor($x, $y, 'object');
154
155	if ($checkTransparency) {
156	$checkColor->r = $color->r;
157	$checkColor->g = $color->g;
158	$checkColor->b = $color->b;
159	}
160
161	if ($color->differs($checkColor, $tolerance)) {
162	$bottom_x = min($width, $x+1 + $feather);
163	break 2;
164	}
165
166	}
167	}
168
169	}
170
171
172	// trim parts of image
173	return $this->modify($image, 0, 0, $top_x, $top_y, ($bottom_x-$top_x), ($bottom_y-$top_y), ($bottom_x-$top_x), ($bottom_y-$top_y));
174
175	}
176	}
177