Scaling an Image in GWT

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I saw this blog entry, which solves the problem by using a GWT DataResource instead of ImageResource. It turns out that the same technique will actually work with ImageResource, if you use it as follows:

Image image = new Image(myImageResource.getURL());
image.setPixelSize(getLength(), getHeight());

To keep aspect ratio calculate it like:

Image image = new Image(myImageResource.getURL());
image.setPixelSize(newWidth, myImageResource.getHeight() * newWidth / myImageResource.getWidth());

As of GWT 2.4, use (see here):

Image image = new Image(myImageResource.getSafeUri());
image.setPixelSize(newWidth, myImageResource.getHeight() * newWidth / myImageResource.getWidth());

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