HummingBirdAnimeClient/src/Helper/Picture.php

122 lines
2.8 KiB
PHP

<?php declare(strict_types=1);
/**
* Hummingbird Anime List Client
*
* An API client for Kitsu to manage anime and manga watch lists
*
* PHP version 7.2
*
* @package HummingbirdAnimeClient
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2020 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 4.2
* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\AnimeClient\Helper;
use Aviat\Ion\Di\ContainerAware;
/**
* Simplify picture elements
*/
final class Picture {
use ContainerAware;
private const MIME_MAP = [
'apng' => 'image/vnd.mozilla.apng',
'bmp' => 'image/bmp',
'gif' => 'image/gif',
'ico' => 'image/x-icon',
'jpeg' => 'image/jpeg',
'jpf' => 'image/jpx',
'jpg' => 'image/jpeg',
'jpx' => 'image/jpx',
'png' => 'image/png',
'svg' => 'image/svg+xml',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'webp' => 'image/webp',
];
private const SIMPLE_IMAGE_TYPES = [
'gif',
'jpeg',
'jpg',
'png',
];
/**
* Create the html for an html picture element
*
* @param string $uri
* @param string $fallbackExt
* @param array $picAttrs
* @param array $imgAttrs
* @return string
*/
public function __invoke(string $uri, string $fallbackExt = 'jpg', array $picAttrs = [], array $imgAttrs = []): string
{
$urlGenerator = $this->container->get('url-generator');
$helper = $this->container->get('html-helper');
// If it is a placeholder image, make the
// fallback a png, not a jpg
if (strpos($uri, 'placeholder') !== FALSE)
{
$fallbackExt = 'png';
}
if (strpos($uri, '//') === FALSE)
{
$uri = $urlGenerator->assetUrl($uri);
}
$urlParts = explode('.', $uri);
$ext = array_pop($urlParts);
$path = implode('.', $urlParts);
$mime = array_key_exists($ext, static::MIME_MAP)
? static::MIME_MAP[$ext]
: 'image/jpeg';
$fallbackMime = array_key_exists($fallbackExt, static::MIME_MAP)
? static::MIME_MAP[$fallbackExt]
: 'image/jpeg';
// For image types that are well-established, just return a
// simple <img /> element instead
if (
$ext === $fallbackExt ||
\in_array($ext, static::SIMPLE_IMAGE_TYPES, TRUE)
)
{
$attrs = ( ! empty($imgAttrs))
? $imgAttrs
: $picAttrs;
return $helper->img($uri, $attrs);
}
$fallbackImg = "{$path}.{$fallbackExt}";
$pictureChildren = [
$helper->void('source', [
'srcset' => $uri,
'type' => $mime,
]),
$helper->void('source', [
'srcset' => $fallbackImg,
'type' => $fallbackMime
]),
$helper->img($fallbackImg, array_merge(['alt' => ''], $imgAttrs)),
];
$sources = implode('', $pictureChildren);
return $helper->elementRaw('picture', $sources, $picAttrs);
}
}
// End of Picture.php