2 "name" : "Roo.util.TextMetrics",
5 "desc" : "Provides precise pixel measurements for blocks of text so that you can determine exactly how high and\nwide, in pixels, a given block of text will be.",
9 "memberOf" : "TextMetrics",
21 "name" : "createInstance",
23 "desc" : "Return a unique TextMetrics instance that can be bound directly to an element and reused. This reduces\nthe overhead of multiple calls to initialize the style properties on each measurement.",
24 "sig" : "(el, fixedWidth)",
28 "isConstructor" : false,
39 "type" : "String/HTMLElement",
40 "desc" : "The element, dom node or id that the instance will be bound to",
44 "name" : "fixedWidth",
46 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
53 "type" : "Roo.util.TextMetrics.Instance",
54 "desc" : "instance The new instance"
61 "desc" : "Measures the size of the specified text",
62 "sig" : "(el, text, fixedWidth)",
66 "isConstructor" : false,
77 "type" : "String/HTMLElement",
78 "desc" : "The element, dom node or id from which to copy existing CSS styles\nthat can affect the size of the rendered text",
84 "desc" : "The text to measure",
88 "name" : "fixedWidth",
90 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
98 "desc" : "An object containing the text's size {width: (width), height: (height)}"