Increase image size

I am using NSTextView to display HTML. The HTML has a base64 encoded image in it. When I click on a button, I want to be able to increa开发者_Python百科se the size of the embedded image Is this possible ?.

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Why are you using NSTextView to display HTML? Why not use WebView? That way you can easily change the size of the image using CSS.

The HTML support in NSTextView is rudimentary at best.