I have been playing around with processing.js (http://processingjs.org) and
I tried to embed a simple hello world example into a GWT application.
However it doesn't work. Nothing is displayed. Everything seems to be fine
(javascript library is correctly loaded, canvas elements is in the DOM).
I tried to debug it and it the Processing script uses following call to init
the processing example (canvas, etc):
document.addEventListener('DOMContentLoaded', function() {
init();
}, false);
In the init function all canvas elements of the DOM are retrieved and passed
to a new Processing instance.
var canvas = document.getElementsByTagName('canvas');
for (var i = 0, l = canvas.length; i < l; i++) {
}
When I debug this line with Firebug I realize that
document.getElementsByTagName('canvas') returns an empty array.
I have put the canvas declaration in a HTMLPanel in a UIBinder file.
I also tried the onLoad method but I get the same behavior. Maybe somebody
has an idea what's wrong.
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