1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
<?php
namespace Drupal\image\Plugin\ImageEffect;
use Drupal\Component\Utility\Color;
use Drupal\Component\Utility\Rectangle;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Image\ImageInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\image\Attribute\ImageEffect;
use Drupal\image\ConfigurableImageEffectBase;
/**
* Rotates an image resource.
*/
#[ImageEffect(
id: "image_rotate",
label: new TranslatableMarkup("Rotate"),
description: new TranslatableMarkup("Rotating an image may cause the dimensions of an image to increase to fit the diagonal.")
)]
class RotateImageEffect extends ConfigurableImageEffectBase {
/**
* {@inheritdoc}
*/
public function applyEffect(ImageInterface $image) {
if (!empty($this->configuration['random'])) {
$degrees = abs((float) $this->configuration['degrees']);
$this->configuration['degrees'] = rand(-$degrees, $degrees);
}
if (!$image->rotate($this->configuration['degrees'], $this->configuration['bgcolor'])) {
$this->logger->error('Image rotate failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', ['%toolkit' => $image->getToolkitId(), '%path' => $image->getSource(), '%mimetype' => $image->getMimeType(), '%dimensions' => $image->getWidth() . 'x' . $image->getHeight()]);
return FALSE;
}
return TRUE;
}
/**
* {@inheritdoc}
*/
public function transformDimensions(array &$dimensions, $uri) {
// If the rotate is not random and current dimensions are set,
// then the new dimensions can be determined.
if (!$this->configuration['random'] && $dimensions['width'] && $dimensions['height']) {
$rect = new Rectangle($dimensions['width'], $dimensions['height']);
$rect = $rect->rotate($this->configuration['degrees']);
$dimensions['width'] = $rect->getBoundingWidth();
$dimensions['height'] = $rect->getBoundingHeight();
}
else {
$dimensions['width'] = $dimensions['height'] = NULL;
}
}
/**
* {@inheritdoc}
*/
public function getSummary() {
$summary = [
'#theme' => 'image_rotate_summary',
'#data' => $this->configuration,
];
$summary += parent::getSummary();
return $summary;
}
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
return [
'degrees' => 0,
'bgcolor' => NULL,
'random' => FALSE,
];
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form['degrees'] = [
'#type' => 'number',
'#default_value' => $this->configuration['degrees'],
'#title' => $this->t('Rotation angle'),
'#description' => $this->t('The number of degrees the image should be rotated. Positive numbers are clockwise, negative are counter-clockwise.'),
'#field_suffix' => '°',
'#required' => TRUE,
];
$form['bgcolor'] = [
'#type' => 'textfield',
'#default_value' => $this->configuration['bgcolor'],
'#title' => $this->t('Background color'),
'#description' => $this->t('The background color to use for exposed areas of the image. Use web-style hex colors (#FFFFFF for white, #000000 for black). Leave blank for transparency on image types that support it.'),
'#size' => 7,
'#maxlength' => 7,
];
$form['random'] = [
'#type' => 'checkbox',
'#default_value' => $this->configuration['random'],
'#title' => $this->t('Randomize'),
'#description' => $this->t('Randomize the rotation angle for each image. The angle specified above is used as a maximum.'),
];
return $form;
}
/**
* {@inheritdoc}
*/
public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
if (!$form_state->isValueEmpty('bgcolor') && !Color::validateHex($form_state->getValue('bgcolor'))) {
$form_state->setErrorByName('bgcolor', $this->t('Background color must be a hexadecimal color value.'));
}
}
/**
* {@inheritdoc}
*/
public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
parent::submitConfigurationForm($form, $form_state);
$this->configuration['degrees'] = $form_state->getValue('degrees');
$this->configuration['bgcolor'] = $form_state->getValue('bgcolor');
$this->configuration['random'] = $form_state->getValue('random');
}
}
|
