[Webkit-unassigned] [Bug 53836] New: Webkit is ignoring fractional point values when using pixel

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53836

           Summary: Webkit is ignoring fractional point values when using
                    pixel
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cabanier at gmail.com


The webkit parser casts units to integer instead of keeping them as double or float.
This causes imprecise placing of objects if they use webkit-transforms with transform(px, px) notation.

In order to fix this, I think we need to fix CSSStyleSelector.cpp line 3051-3052 
from:
        } else if (CSSPrimitiveValue::isUnitTypeLength(type))
            l = Length(primitiveValue->computeLengthIntForLength(style, rootStyle, multiplier), Fixed);
to:
        } else if (CSSPrimitiveValue::isUnitTypeLength(type))
            l = Length(primitiveValue->computeLengthFloat(style, rootStyle, multiplier, false), Fixed);

Attached is a iip file that contains a page that uses transforms with px notation.

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