As though the mouse wheel rotate by the right click on the images, you can do the images extenting / reducing / rotating and so on.
It can be expanded regardless of design. Also you can drag zoomed images.
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manifest.json
{
"manifest_version": 2,
"name": "__MSG_extensionName__",
"description": "__MSG_extensionDescription__",
"version": "2.7.1",
"homepage_url": "http://crossblade.her.jp/addon/ff_zoomimage/index.php",
"icons": {
"16": "icons/icon_16.png",
"32": "icons/icon_32.png",
"48": "icons/icon_48.png",
"96": "icons/icon_96.png",
"128": "icons/icon_128.png"
},
"applications": {
"gecko": {
"id": "{b14f4076-e80d-4baa-8c7d-8c65dfd2519c}",
"strict_min_version": "57.0"
}
},
"permissions": [
"contextMenus",
"activeTab",
"storage"
],
"background": {
"scripts": [
"default_setting.js",
"background-script.js"
]
},
"content_scripts": [
{
"matches": [
"http://*/*",
"https://*/*",
"file://*/*"
],
"css": [
"style.css"
],
"js": [
"jquery-3.1.1.slim.min.js",
"content-script.js"
],
"run_at": "document_end",
"all_frames": true
}
],
"options_ui": {
"page": "settings/options.html"
},
"default_locale": "en"
}