Gets an array of strings specifying all possible font sizes for the font at the text input position. If the font is free scalable, standard sizes are returned. The return value is the list of possible font sizes. Null is returned, if the specified font is not supported or if text is selected and the selection contains several different fonts.
<void> InputFormat.getSupportedFontSizes(<RequestNumbersCallback> callback, [<string> fontFamily], [<ErrorCallback> errorCallback])
|callback||Receives all possible font sizes as parameter.|
||Optional. Specifies a font family for the possible sizes of which are returned. It must be a font in the list of supported fonts which are returned through the get
||Optional. Is called when the operation failed with an error.|