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Support reading default canvas size.

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Closes #438.
This commit is contained in:
Jürg Lehni 2014-03-31 17:59:53 +02:00
parent 38476b9d21
commit eb29e72195
1 changed files with 10 additions and 6 deletions
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16
src/ui/View.js
View file

@ -78,12 +78,16 @@ var View = Base.extend(Callback, /** @lends View# */{
// Try visible size first, since that will help handling previously
// scaled canvases (e.g. when dealing with pixel-ratio)
size = DomElement.getSize(element);
// If the element is invisible, we cannot directly access
// element.width / height, because they would appear 0.
// Reading the attributes should still work.
if (size.isNaN() || size.isZero())
size = new Size(parseInt(element.getAttribute('width'), 10),
parseInt(element.getAttribute('height'), 10));
if (size.isNaN() || size.isZero()) {
// If the element is invisible, we cannot directly access
// element.width / height, because they would appear 0.
// Reading the attributes should still work.
var getSize = function(name) {
return element[name]
|| parseInt(element.getAttribute(name), 10);
};
size = new Size(getSize('width'), getSize('height'));
}
}
// Set canvas size even if we just deterined the size from it, since
// it might have been set to a % size, in which case it would use some