iphone - How do you specify a really large character in UIButton? -

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I have a series of buttons in which there are suit signals on them I currently use these suite symbols as a bitmap I provide In the preparation of the iPhone 4, I want to use the lesson instead. Although the interface builder saves the button for whitespace under the symbol, so I can not get the image to fill the button completely.

Any signals to the interface builder behavior?

Use transparent suite symbols that are all equal sizes like


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