Canvas and mobile

[gerhardhziegler]

Hi,

 

are there any good solutions including examples for using a canvas or any kind of alternative for taking signatures in mobile?

Using TUniCanvas in a mobile forms answers with

 

"Ext.Form.Canvas is not a constructor", I assume, it shouldnt be used that way.

Best regard and greetings, Gerhard

[Sherzod]

Hi,

 

Can you try for now with this fine example ?:

http://forums.unigui.com/index.php?/topic/5300-lines-game-ext-and-touch-version/

 

Best regards,

[gerhardhziegler]

Thanks a lot.

 

Its really a fine example and I hope, I understood the usage of the frames!

 

[gerhardhziegler]

Hmmm.. doesnt work. I used a frame now, containing the Canvas.

Anyway on opening the mobile form, that is containing the frame, the error "Ext.Form.Canvas is not a constructor" occured.

So did I understand anything wrong? I am not completely sure I understood the concept behind the demo. I did include the JS library, then the constructor error vanished. 

Regards

[gerhardhziegler]

Update 19:20 MEZ:

Could use the LinesGame now for drawing, but its simple not performant enough. Though its server side bitmap manipulation, the mouse events are processed there in LinesTools.MoveDownEvent. I simply dont get how to use the "internal" js functions from unimcanvas-min.js for the usage of drawing while mousemove.

[RDybuco]

 

gerhardhziegler, Have you found the solution to the signature problem? I'm stuck on this same situation trying to capture user signatures from touch devices.

Any Help?