YQL利用外部ドメイン画像処理 Cross-domain image-processing using YQL - jsdo.it - Share JavaScript, HTML5 and CSS

After drawing an image from a different domain onto a canvas, you can no longer access its ImageData object because of the same-origin-policy. I was having a tough fight with this problem for a few days, to find out that the YQL returns DATA URIs!! So, here's a sample of extracting the edge of an image from a different domain, using YQL. (Playing around with Twitter icons may be interesting...) --

[Cherenkov]

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