Move into nested docroot
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Rob Davies
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134
web/core/modules/image/image.admin.inc
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134
web/core/modules/image/image.admin.inc
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<?php
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/**
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* @file
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* Administration pages for image settings.
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*/
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use Drupal\Core\Render\Element;
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/**
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* Prepares variables for image style preview templates.
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*
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* Default template: image-style-preview.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - style: \Drupal\image\ImageStyleInterface image style being previewed.
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*/
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function template_preprocess_image_style_preview(&$variables) {
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// Style information.
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$style = $variables['style'];
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$variables['style_id'] = $style->id();
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$variables['style_name'] = $style->label();
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// Cache bypass token.
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$variables['cache_bypass'] = REQUEST_TIME;
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// Sample image info.
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$sample_width = 160;
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$sample_height = 160;
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$image_factory = \Drupal::service('image.factory');
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// Set up original file information.
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$original_path = \Drupal::config('image.settings')->get('preview_image');
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$original_image = $image_factory->get($original_path);
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$variables['original'] = array(
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'url' => file_url_transform_relative(file_create_url($original_path)),
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'width' => $original_image->getWidth(),
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'height' => $original_image->getHeight(),
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);
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if ($variables['original']['width'] > $variables['original']['height']) {
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$variables['preview']['original']['width'] = min($variables['original']['width'], $sample_width);
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$variables['preview']['original']['height'] = round($variables['preview']['original']['width'] / $variables['original']['width'] * $variables['original']['height']);
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}
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else {
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$variables['preview']['original']['height'] = min($variables['original']['height'], $sample_height);
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$variables['preview']['original']['width'] = round($variables['preview']['original']['height'] / $variables['original']['height'] * $variables['original']['width']);
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}
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// Set up derivative file information.
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$preview_file = $style->buildUri($original_path);
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// Create derivative if necessary.
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if (!file_exists($preview_file)) {
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$style->createDerivative($original_path, $preview_file);
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}
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$preview_image = $image_factory->get($preview_file);
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$variables['derivative'] = array(
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'url' => file_url_transform_relative(file_create_url($preview_file)),
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'width' => $preview_image->getWidth(),
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'height' => $preview_image->getHeight(),
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);
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if ($variables['derivative']['width'] > $variables['derivative']['height']) {
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$variables['preview']['derivative']['width'] = min($variables['derivative']['width'], $sample_width);
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$variables['preview']['derivative']['height'] = round($variables['preview']['derivative']['width'] / $variables['derivative']['width'] * $variables['derivative']['height']);
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}
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else {
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$variables['preview']['derivative']['height'] = min($variables['derivative']['height'], $sample_height);
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$variables['preview']['derivative']['width'] = round($variables['preview']['derivative']['height'] / $variables['derivative']['height'] * $variables['derivative']['width']);
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}
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// Build the preview of the original image.
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$variables['original']['rendered'] = array(
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'#theme' => 'image',
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'#uri' => $original_path,
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'#alt' => t('Sample original image'),
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'#title' => '',
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'#attributes' => array(
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'width' => $variables['original']['width'],
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'height' => $variables['original']['height'],
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'style' => 'width: ' . $variables['preview']['original']['width'] . 'px; height: ' . $variables['preview']['original']['height'] . 'px;',
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),
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);
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// Build the preview of the image style derivative. Timestamps are added
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// to prevent caching of images on the client side.
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$variables['derivative']['rendered'] = array(
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'#theme' => 'image',
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'#uri' => $variables['derivative']['url'] . '?cache_bypass=' . $variables['cache_bypass'],
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'#alt' => t('Sample modified image'),
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'#title' => '',
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'#attributes' => array(
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'width' => $variables['derivative']['width'],
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'height' => $variables['derivative']['height'],
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'style' => 'width: ' . $variables['preview']['derivative']['width'] . 'px; height: ' . $variables['preview']['derivative']['height'] . 'px;',
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),
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);
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}
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/**
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* Prepares variables for image anchor templates.
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*
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* Default template: image-anchor.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - element: An associative array containing the image.
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*/
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function template_preprocess_image_anchor(&$variables) {
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$element = $variables['element'];
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$rows = array();
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$row = array();
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foreach (Element::children($element) as $n => $key) {
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$element[$key]['#attributes']['title'] = $element[$key]['#title'];
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unset($element[$key]['#title']);
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$row[] = array(
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'data' => $element[$key],
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);
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if ($n % 3 == 3 - 1) {
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$rows[] = $row;
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$row = array();
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}
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}
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$variables['table'] = array(
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'#type' => 'table',
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'#header' => array(),
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'#rows' => $rows,
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'#attributes' => array(
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'class' => array('image-anchor'),
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),
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);
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}
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