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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,342 @@ | ||
| <?php | ||
|
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| // This is a PLUGIN TEMPLATE for Textpattern CMS. | ||
|
|
||
| // Copy this file to a new name like abc_myplugin.php. Edit the code, then | ||
| // run this file at the command line to produce a plugin for distribution: | ||
| // $ php abc_myplugin.php > abc_myplugin-0.1.txt | ||
|
|
||
| // Plugin name is optional. If unset, it will be extracted from the current | ||
| // file name. Plugin names should start with a three letter prefix which is | ||
| // unique and reserved for each plugin author ("abc" is just an example). | ||
| // Uncomment and edit this line to override: | ||
| $plugin['name'] = 'kuo_webp'; | ||
|
|
||
| // Allow raw HTML help, as opposed to Textile. | ||
| // 0 = Plugin help is in Textile format, no raw HTML allowed (default). | ||
| // 1 = Plugin help is in raw HTML. Not recommended. | ||
| # $plugin['allow_html_help'] = 1; | ||
|
|
||
| $plugin['version'] = '0.1'; | ||
| $plugin['author'] = 'Pete'; | ||
| $plugin['author_uri'] = 'https://textpattern.fi/'; | ||
| $plugin['description'] = 'Create WebP versions of images.'; | ||
|
|
||
| // Plugin load order: | ||
| // The default value of 5 would fit most plugins, while for instance comment | ||
| // spam evaluators or URL redirectors would probably want to run earlier | ||
| // (1...4) to prepare the environment for everything else that follows. | ||
| // Values 6...9 should be considered for plugins which would work late. | ||
| // This order is user-overrideable. | ||
| $plugin['order'] = '9'; | ||
|
|
||
| // Plugin 'type' defines where the plugin is loaded | ||
| // 0 = public : only on the public side of the website (default) | ||
| // 1 = public+admin : on both the public and admin side | ||
| // 2 = library : only when include_plugin() or require_plugin() is called | ||
| // 3 = admin : only on the admin side (no AJAX) | ||
| // 4 = admin+ajax : only on the admin side (AJAX supported) | ||
| // 5 = public+admin+ajax : on both the public and admin side (AJAX supported) | ||
| $plugin['type'] = '3'; | ||
|
|
||
| // Plugin "flags" signal the presence of optional capabilities to the core plugin loader. | ||
| // Use an appropriately OR-ed combination of these flags. | ||
| // The four high-order bits 0xf000 are available for this plugin's private use | ||
| if (!defined('PLUGIN_HAS_PREFS')) define('PLUGIN_HAS_PREFS', 0x0001); // This plugin wants to receive "plugin_prefs.{$plugin['name']}" events | ||
| if (!defined('PLUGIN_LIFECYCLE_NOTIFY')) define('PLUGIN_LIFECYCLE_NOTIFY', 0x0002); // This plugin wants to receive "plugin_lifecycle.{$plugin['name']}" events | ||
|
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| $plugin['flags'] = '0'; | ||
|
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||
| // Plugin 'textpack' is optional. It provides i18n strings to be used in conjunction with gTxt(). | ||
| // Syntax: | ||
| // ## arbitrary comment | ||
| // #@event | ||
| // #@language ISO-LANGUAGE-CODE | ||
| // abc_string_name => Localized String | ||
|
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||
| /** Uncomment me, if you need a textpack | ||
| $plugin['textpack'] = <<< EOT | ||
| #@admin | ||
| #@language en-gb | ||
| abc_sample_string => Sample String | ||
| abc_one_more => One more | ||
| #@language de-de | ||
| abc_sample_string => Beispieltext | ||
| abc_one_more => Noch einer | ||
| EOT; | ||
| **/ | ||
| // End of textpack | ||
|
|
||
| if (!defined('txpinterface')) | ||
| @include_once('zem_tpl.php'); | ||
|
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||
| # --- BEGIN PLUGIN CODE --- | ||
| register_callback( | ||
| 'kuo_webp_cta', | ||
| 'image_ui', | ||
| 'image_edit' | ||
| ); | ||
|
|
||
| register_callback( | ||
| 'kuo_webp_launcher', | ||
| 'image_ui', | ||
| 'image_edit' | ||
| ); | ||
|
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||
| function kuo_webp_cta() { | ||
|
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| global $img_dir; | ||
|
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| $result = array(); | ||
|
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| $image = safe_row( | ||
| '*', | ||
| 'txp_image', | ||
| 'id = '.intval($_GET['id']), | ||
| false | ||
| ); | ||
|
|
||
| if (strcmp($image['ext'],'.webp') != 0) { | ||
|
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| $result[] = href( | ||
| '💾 WebP', | ||
| '?event=image&step=image_edit&id='.$_GET['id'].'&action=webp', | ||
| 'title="⟳ Create or recreate WebP files"' | ||
| ); | ||
| } | ||
|
|
||
| $webp = array( | ||
| 'full'=>IMPATH.$image['id'].'.webp', | ||
| 'thumbnail'=>IMPATH.$image['id'].'t.webp', | ||
| ); | ||
|
|
||
| if (file_exists($webp['full'])) { | ||
|
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| $result[] = href( | ||
| '🖼 Full size', | ||
| ihu.$img_dir.'/'.$image['id'].'.webp', | ||
| 'target="_new" rel="prefetch"' | ||
| ); | ||
| } | ||
|
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||
| if (file_exists($webp['thumbnail'])) { | ||
|
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| $result[] = href( | ||
| '🖼 Thumbnail', | ||
| ihu.$img_dir.'/'.$image['id'].'t.webp', | ||
| 'target="_new"' | ||
| ); | ||
| } | ||
|
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||
| echo implode( | ||
| ' ', | ||
| $result | ||
| ); | ||
| } | ||
|
|
||
| function kuo_webp_launcher() { | ||
|
|
||
| $image = safe_row( | ||
| '*', | ||
| 'txp_image', | ||
| 'id = '.intval($_GET['id']), | ||
| false | ||
| ); | ||
|
|
||
| if ( | ||
| (isset($_GET['action'])) | ||
| && | ||
| (strcmp($_GET['action'],'webp') == 0) | ||
| && | ||
| (!empty($image)) | ||
| ) { | ||
|
|
||
| $source['full'] = IMPATH.$image['id'].$image['ext']; | ||
| $new['full'] = IMPATH.kuo_extension_changer($image['id'].$image['ext']); | ||
|
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||
| $type = kuo_image_type($source['full']); | ||
| $isAcceptedType = kuo_is_accepted_type($type); | ||
|
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||
| # Copying the original image. | ||
| if ($isAcceptedType) { | ||
|
|
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| kuo_webp_processor( | ||
| $type, | ||
| $source['full'], | ||
| $new['full'] | ||
| ); | ||
| } | ||
|
|
||
| if ( | ||
| (isset($image['thumbnail'])) | ||
| && | ||
| ($image['thumbnail'] == 1) | ||
| ) { | ||
|
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||
| $source['thumbnail'] = IMPATH.$image['id'].'t'.$image['ext']; | ||
| $new['thumbnail'] = IMPATH.kuo_extension_changer($image['id'].'t'.$image['ext']); | ||
| } | ||
|
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| # Optionally copying the thumbnail. | ||
| if (isset($new['thumbnail'],$source['thumbnail'])) { | ||
|
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| $type = kuo_image_type($source['thumbnail']); | ||
| $isAcceptedType = kuo_is_accepted_type($type); | ||
|
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| if ($isAcceptedType) { | ||
|
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| kuo_webp_processor( | ||
| $type, | ||
| $source['thumbnail'], | ||
| $new['thumbnail'] | ||
| ); | ||
| } | ||
| } | ||
|
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| if (!headers_sent()) { | ||
|
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| header('Location: ?event=image&step=image_edit&id='.$_GET['id']); | ||
| } | ||
| } | ||
| } | ||
|
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| function kuo_image_type(string $file):string { | ||
|
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| $result = ''; | ||
|
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| $image = getimagesize($file); | ||
|
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| if (isset($image['mime'])) { | ||
|
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| $result = $image['mime']; | ||
| $result = strtolower($result); | ||
| } | ||
|
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| return $result; | ||
| } | ||
|
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| function kuo_is_accepted_type(string $type):bool { | ||
|
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| $result = false; | ||
|
|
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| static $accepted = array( | ||
| 'image/avif', | ||
| 'image/bmp', | ||
| 'image/gif', | ||
| 'image/jpg', | ||
| 'image/jpeg', | ||
| 'image/png', | ||
| 'image/tga', | ||
| ); | ||
|
|
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| if (in_array($type,$accepted,true)) { | ||
|
|
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| $result = true; | ||
| } | ||
|
|
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| return $result; | ||
| } | ||
|
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| function kuo_extension_changer(string $file,string $extension = 'webp'):string { | ||
|
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| $name = pathinfo( | ||
| $file, | ||
| PATHINFO_FILENAME | ||
| ); | ||
|
|
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| return $name.'.'.$extension; | ||
| } | ||
|
|
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| function kuo_webp_processor(string $type,string $original,string $new):bool { | ||
|
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| $result = false; | ||
|
|
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| if ( | ||
| (strcmp($type,'image/avif') == 0) | ||
| && | ||
| (function_exists('imagecreatefromavif')) | ||
| ) { | ||
|
|
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| $image = imagecreatefromavif($original); | ||
| } | ||
| elseif ( | ||
| (strcmp($type,'image/bmp') == 0) | ||
| && | ||
| (function_exists('imagecreatefrombmp')) | ||
| ) { | ||
|
|
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| $image = imagecreatefrombmp($original); | ||
| } | ||
| elseif ( | ||
| (strcmp($type,'image/gif') == 0) | ||
| && | ||
| (function_exists('imagecreatefromgif')) | ||
| ) { | ||
|
|
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| $image = imagecreatefromgif($original); | ||
| } | ||
| elseif ( | ||
| (in_array($type,array('image/jpg','image/jpeg'),true)) | ||
| && | ||
| (function_exists('imagecreatefromjpeg')) | ||
| ) { | ||
|
|
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| $image = imagecreatefromjpeg($original); | ||
| } | ||
| elseif ( | ||
| (strcmp($type,'image/png') == 0) | ||
| && | ||
| (function_exists('imagecreatefrompng')) | ||
| ) { | ||
|
|
||
| $image = imagecreatefrompng($original); | ||
| } | ||
| elseif ( | ||
| (strcmp($type,'image/tga') == 0) | ||
| && | ||
| (function_exists('imagecreatefromtga')) | ||
| ) { | ||
|
|
||
| $image = imagecreatefromtga($original); | ||
| } | ||
|
|
||
| if ( | ||
| (isset($image)) | ||
| && | ||
| (is_resource($image)) | ||
| ) { | ||
|
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| imagepalettetotruecolor($image); | ||
|
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| imagealphablending( | ||
| $image, | ||
| true | ||
| ); | ||
|
|
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| imagesavealpha( | ||
| $image, | ||
| true | ||
| ); | ||
|
|
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| imagewebp( | ||
| $image, | ||
| $new, | ||
| 100 | ||
| ); | ||
|
|
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| $result = imagedestroy($image); | ||
| } | ||
|
|
||
| return $result; | ||
| } | ||
| # --- END PLUGIN CODE --- | ||
| if (0) { | ||
| ?> | ||
| <!-- | ||
| # --- BEGIN PLUGIN HELP --- | ||
| Original image file and thumbnail of it can be copied in WebP format. | ||
| # --- END PLUGIN HELP --- | ||
| --> | ||
| <?php | ||
| } | ||
| ?> |