Does anyone have some examples regarding the Canvas class?

I've seen the java doc API but the only methods i think that could be
useful was:

Context2d
<http://www.gwtproject.org/javadoc/latest/com/google/gwt/canvas/dom/client/Context2d.html>
*getContext2d
<http://www.gwtproject.org/javadoc/latest/com/google/gwt/canvas/client/Canvas.html#getContext2d%28%29>*
()
          Returns a 2D rendering context.
 void *setCoordinateSpaceHeight
<http://www.gwtproject.org/javadoc/latest/com/google/gwt/canvas/client/Canvas.html#setCoordinateSpaceHeight%28int%29>*
(int height)
          Sets the height of the internal canvas coordinate space.
void *setCoordinateSpaceWidth
<http://www.gwtproject.org/javadoc/latest/com/google/gwt/canvas/client/Canvas.html#setCoordinateSpaceWidth%28int%29>*
(int width)
          Sets the width of the internal canvas coordinate space.

2016-01-14 16:36 GMT-02:00 Kirill Prazdnikov <[email protected]>:

> Canvas is an DOM Element.
> It can render Image Elements to itself in any resolution.
> However it may produce not nice results.
>
> It depends on what you need.
>
> On Thursday, January 14, 2016 at 9:17:36 PM UTC+3, Julio Heitor Nobrega
> wrote:
>>
>> Hi guys,
>>
>> thanks everyone for the answers!
>>
>> Greg,  is Canvas a GWT framework or its a class that belong to GWT itself?
>>
>> Do you have any example of use?
>>
>> Regards
>>
>>
>>
>> Em quinta-feira, 14 de janeiro de 2016 11:25:29 UTC-2, Julio Heitor
>> Nobrega escreveu:
>>>
>>> Hi guys,
>>>
>>> i am trying to upload images with 2mb size but i don't want to send the
>>> whole original image to the server.
>>>
>>> What i would like to do is reduce the image dimensions from, for
>>> example, *1000x1000* to *50x50* and reduce the file size
>>> from *2mb* to *~25kb* as well and at the end send the *~25kb* image to
>>> the server.
>>>
>>> I know there is the Scalr framework that does that in java, but its no
>>> compatible with GWT clients.
>>>
>>> Is there any client side GWT library that does the same thing as Scalr?
>>>
>>> Best Regards!
>>>
>>>
>>> --
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