[Webkit-unassigned] [Bug 18300] New: getComputedStyle() -> length values floored

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=18300

           Summary: getComputedStyle() ->  length values floored
           Product: WebKit
           Version: 525.x (Safari 3.1)
          Platform: PC
               URL: http://dhtmlkitchen.com/ape/test/tests/dom/position-f-
                    test.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dhtmlkitchen at gmail.com


When getting the computed style, values are rounded. 

This sets the border width of the element in EM units, then gets the value of
the computed border width in px, using getComputedStyle. The problem seems to
be that the value is floored. The expected value would be: "11.8px"


borderWidth:
javascript:(function(){var c1 =document.getElementsByTagName("div")[0],
style=c1.style; style.border ="1.18em solid"; style.fontSize = "10px"; var cs =
getComputedStyle(c1, ""); alert([cs.borderTopWidth, cs.borderRightWidth,
cs.borderBottomWidth, cs.borderLeftWidth]);})(); 

The actual value: "11px"

javascript:(function(){var c1 =document.getElementsByTagName("div")[0],
style=c1.style; style.margin ="1.18em"; style.fontSize = "10px"; var cs =
getComputedStyle(c1, ""); alert([cs.marginTop, cs.marginLeft, cs.marginBottom,
cs.marginRight]);})(); 

This creates problems when attempting to measure the dimensions of an element,
or find it's position.


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