Magento 2.2.2 wysiwyg upload images broken in admin - magento2

I have tried to upload image in block using wysiwyg editor.
1.click the Insert/Edit image
2.choose a image
3.save
but image not showing in preview.

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There was a css problem with the flutter_webview_pro package

enter image description here
I created the app using flutter_webview_pro package. The css menu at the top of the web page in the web view does not work properly. What kind of problem?
Below is how it works normally in the Chrome browser.
enter image description here
It does not work normally only in the webview.

Flutter image.network not show some images in safari browser

i am adding a link image in my flutter web app in "image-network" widget".it runs in chrome and it shows all the images but some images are not showing in safari??
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i want to generate a PDF file from banner image in Joomla1.5?

From Joomla1.5 i tried to generate a PDF file from index page banner image.
When i click the banner image it will generate that banner into PDF file
any one give me the solution for this.
Thanks
You should use fpdf and make banner a link and redirect to any php page. In that link you should keep the details of the banner image and in the redirecting page trigger the function to download pdf file

How to display a gallery and text with fancybox?

I'd like to create a fancybox with a gallery of images on the left side, and some text on the right side of the box. Is it possible to do so? By gallery, I refer to the gallery example given on the fancybox website.
You may consider my fancybox "a la" facebook script.
You can see it working here.
It requires fancybox v2.x.