2 "name" : "Roo.util.TextMetrics",
4 "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.",
8 "memberOf" : "TextMetrics",
20 "name" : "createInstance",
22 "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.",
23 "sig" : "(el, fixedWidth)",
27 "isConstructor" : false,
38 "type" : "String/HTMLElement",
39 "desc" : "The element, dom node or id that the instance will be bound to",
43 "name" : "fixedWidth",
45 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
52 "type" : "Roo.util.TextMetrics.Instance",
53 "desc" : "instance The new instance"
60 "desc" : "Measures the size of the specified text",
61 "sig" : "(el, text, fixedWidth)",
65 "isConstructor" : false,
76 "type" : "String/HTMLElement",
77 "desc" : "The element, dom node or id from which to copy existing CSS styles\nthat can affect the size of the rendered text",
83 "desc" : "The text to measure",
87 "name" : "fixedWidth",
89 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
97 "desc" : "An object containing the text's size {width: (width), height: (height)}"