CSSCalcValue
Gets a computed value. Could also be just an absolute or
relative value.
Gets a value that computes to 50% of the original dimension.
Gets a value that computes to 100% of the original dimension.
Gets a value that computes to 0.
protected CSSCalcValue()
Creates a new calculated value from the given length.
Creates a new calculated value from the given percentage.
Creates a new computed length value based on the current value.
Transforms the given calculated value to pixels.