Canvas definitely works in wave gadgets. I haven't done anything complex, but have made sure it works.
Some gadget trouble shooting tips: 1) Make sure you have your script references right. While the basic canvas function may work, if you are using a framework or library, you'll need make sure they are loading. I have found that it's best to server any resources directly from the same domain (and path) as the gadget file. e.g. <script src="http://xxx.appspot.com/gadgets/ jquery-1.3.2.min.js"></script> 2) If you have to set up the environment, make sure to run it in a function fired by gadgets.util.registerOnLoadHandler(init_script); 3) You can treat the data in <![CDATA[ ... ]]> as it's own webpage. You can provide a HEAD and BODY section etc. Hope this helps, I'm sure there are more technical or complete explanations, but this is what works for me. On Jan 7, 9:10 am, flidstrom <fred...@fredriklidstrom.com> wrote: > I'm playing around with google wave gadgets and am trying to do some > custom drawing. I have a gadget set up to use javascript to render a > scene in a canvas. The javascript code works fine in a browser, so I > know that's not an issue. When I run the same code in a wave gadget, I > get the placeholder text defined in the canvas element for browsers > that don't support it. > > It seems like the canvas simply doesn't work in a gadget, but since > I'm new at this I thought I should ask to make sure. It seems odd that > a canvas wouldn't work in a gadget, considering how strongly Google > has been pushing for html 5. If canvas is not supported now, are there > any plans to do so in the future? > > Thanks.
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