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",
18 "name" : "createInstance",
19 "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.",
21 "isConstructor" : false,
23 "memberOf" : "Roo.util.TextMetrics",
31 "type" : "String/HTMLElement",
32 "desc" : "The element, dom node or id that the instance will be bound to",
36 "name" : "fixedWidth",
38 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
45 "type" : "Roo.util.TextMetrics.Instance",
46 "desc" : "instance The new instance"
52 "desc" : "Measures the size of the specified text",
54 "isConstructor" : false,
56 "memberOf" : "Roo.util.TextMetrics",
64 "type" : "String/HTMLElement",
65 "desc" : "The element, dom node or id from which to copy existing CSS styles\nthat can affect the size of the rendered text",
71 "desc" : "The text to measure",
75 "name" : "fixedWidth",
77 "desc" : "(optional) If the text will be multiline, you have to set a fixed width\nin order to accurately measure the text height",
85 "desc" : "An object containing the text's size {width: (width), height: (height)}"