iink SDK Web


The line extends to the top left

sometimes while drawing, the line extends to the top left

This is not a problem that happens every time.

I don't know the conditions which this issue occurs

Do you know anything about this issue?

It's happening on safari.

iink-js 1.4.2

iink math


Best Answer

Dear Toru Kuniyoshi San,

After reproducing internally, we were able to find the cause : as you have a "space" in between the editor and the actions, somes gestures done in between both are  detected as "pan and zoom".

As the pan and zoom is not supported, the editor finds itself in a unsupported state.

At present, the solution is that you proceed as in our code sample, i.e. "no pan shall be possible", such as having no space in between the editor and the actions.

Best regards,


I'm sorry. 

I don't understand your meaning. 

Maybe it's my English ability problem.

Without your project, it is difficult to understand what can be happening. Would it be possible to have it?

should I create a new project for this issue?

I finally found the cause.

It can be reproduced with little fix of this code.


<div style="position: fixed; bottom: 0;">
  <div id="editor" touch-action="none"></div>

The problem occurs when 

1. we put the myscript DOM inside the "position: fixed"

2. using iPad device, safari (iOS 13.3.1)

3. drawing text after pinch & zoom the screen

I don't have the latest iPad, so I'm not sure if this issue occurs on the latest iOS version.