abilities
4 weeks ago
admin
4 weeks ago
compatibility
4 weeks ago
extensions
4 weeks ago
foopluginbase
4 weeks ago
public
4 weeks ago
thumbs
4 weeks ago
asset-manifest.php
4 weeks ago
class-attachment-filters.php
4 weeks ago
class-command-palette.php
4 weeks ago
class-foogallery-animated-gif-support.php
4 weeks ago
class-foogallery-attachment-custom-class.php
4 weeks ago
class-foogallery-attachment-filename.php
4 weeks ago
class-foogallery-attachment-type.php
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class-foogallery-attachment.php
4 weeks ago
class-foogallery-cache.php
4 weeks ago
class-foogallery-common-fields.php
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class-foogallery-crop-position.php
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class-foogallery-datasource-media_library.php
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class-foogallery-debug.php
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class-foogallery-delayed-runtime-loader.php
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class-foogallery-extensions-compatibility.php
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class-foogallery-force-https.php
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class-foogallery-lazyload.php
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class-foogallery-license-constant-handler.php
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class-foogallery-lightbox.php
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class-foogallery-paging.php
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class-foogallery-password-protect.php
4 weeks ago
class-foogallery-sitemaps.php
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class-foogallery-widget.php
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class-foogallery.php
4 weeks ago
class-gallery-advanced-settings.php
4 weeks ago
class-il8n.php
4 weeks ago
class-override-thumbnail.php
4 weeks ago
class-posttypes.php
4 weeks ago
class-previews.php
4 weeks ago
class-retina.php
4 weeks ago
class-thumbnail-dimensions.php
4 weeks ago
class-thumbnails.php
4 weeks ago
class-version-check.php
4 weeks ago
constants.php
4 weeks ago
functions.php
4 weeks ago
gallery-management-functions.php
4 weeks ago
includes.php
4 weeks ago
index.php
4 weeks ago
render-functions.php
4 weeks ago
class-retina.php
88 lines
| 1 | <?php |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit; |
| 5 | } |
| 6 | |
| 7 | /* |
| 8 | * FooGallery Retina Support class |
| 9 | */ |
| 10 | |
| 11 | if ( !class_exists( 'FooGallery_Retina' ) ) { |
| 12 | |
| 13 | class FooGallery_Retina { |
| 14 | |
| 15 | function __construct() { |
| 16 | add_filter('foogallery_attachment_html_image_attributes', array($this, 'add_retina_attributes'), 10, 3); |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * @param array $attr |
| 21 | * @param array $args |
| 22 | * @param FooGalleryAttachment $attachment |
| 23 | * @return mixed |
| 24 | */ |
| 25 | function add_retina_attributes($attr, $args, $attachment) { |
| 26 | global $current_foogallery; |
| 27 | |
| 28 | if ( $current_foogallery && $current_foogallery->gallery_template ) { |
| 29 | |
| 30 | //first check if the gallery has saved Retina settings |
| 31 | if ( isset($current_foogallery->retina) && is_array( $current_foogallery->retina ) ) { |
| 32 | $srcset = array(); |
| 33 | |
| 34 | //get the original thumb dimensions |
| 35 | $original_thumb_width = array_key_exists( 'width', $args ) ? intval( $args['width'] ) : 0; |
| 36 | $original_thumb_height = array_key_exists( 'height', $args ) ? intval( $args['height'] ) : 0; |
| 37 | |
| 38 | //get the original full size image dimensions |
| 39 | $original_width = $attachment->width; |
| 40 | $original_height = $attachment->height; |
| 41 | |
| 42 | //if we do not have a width, we need to calculate one |
| 43 | if ( 0 === $original_thumb_width ) { |
| 44 | //find closest ratio multiple to image size |
| 45 | if( $original_width > $original_height ) { |
| 46 | //landscape |
| 47 | $ratio = $original_width / $original_height; |
| 48 | $original_thumb_width = intval( $original_thumb_height * $ratio ); |
| 49 | }else{ |
| 50 | //portrait |
| 51 | $ratio = $original_height / $original_width; |
| 52 | $original_thumb_width = intval( $original_thumb_height / $ratio ); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | foreach ( foogallery_retina_options() as $pixel_density ) { |
| 57 | $pixel_density_supported = array_key_exists( $pixel_density, $current_foogallery->retina ) ? ('true' === $current_foogallery->retina[$pixel_density]) : false; |
| 58 | |
| 59 | if ( $pixel_density_supported ) { |
| 60 | $pixel_density_int = intval( str_replace( 'x', '', $pixel_density ) ); |
| 61 | |
| 62 | //apply scaling to the width and height attributes |
| 63 | $retina_width = $original_thumb_width * $pixel_density_int; |
| 64 | $retina_height = $original_thumb_height * $pixel_density_int; |
| 65 | |
| 66 | //if the new dimensions are smaller than the full size image dimensions then allow the retina thumb |
| 67 | if ( $retina_width < $original_width && |
| 68 | $retina_height < $original_height ) { |
| 69 | $args['width'] = $retina_width; |
| 70 | $args['height'] = $retina_height; |
| 71 | |
| 72 | //build up the retina attributes |
| 73 | $srcset[] = $attachment->html_img_src( $args ) . ' ' . $pixel_density_int . 'x'; |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | if ( count( $srcset ) ) { |
| 79 | $attr['srcset'] = implode( ',', $srcset ); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | return $attr; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 |