private static void SetLineHeight(IPropertyContainer elementToSet, String lineHeight, float em, float rem)
{
if (lineHeight != null && !CssConstants.NORMAL.Equals(lineHeight) && !CssConstants.AUTO.Equals(lineHeight)
)
{
if (CssTypesValidationUtils.IsNumericValue(lineHeight))
{
float?number = CssDimensionParsingUtils.ParseFloat(lineHeight);
if (number != null)
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateMultipliedValue((float)number));
}
else
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateNormalValue());
}
}
else
{
UnitValue lineHeightValue = CssDimensionParsingUtils.ParseLengthValueToPt(lineHeight, em, rem);
if (lineHeightValue != null && lineHeightValue.IsPointValue())
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateFixedValue(lineHeightValue.GetValue()));
}
else
{
if (lineHeightValue != null)
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateMultipliedValue(lineHeightValue.GetValue()
/ 100f));
}
else
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateNormalValue());
}
}
}
}
else
{
elementToSet.SetProperty(Property.LINE_HEIGHT, LineHeight.CreateNormalValue());
}
}
private static void SetLineHeightByLeading(IPropertyContainer element, String lineHeight, float em, float
rem)
{
// specification does not give auto as a possible lineHeight value
// nevertheless some browsers compute it as normal so we apply the same behaviour.
// What's more, it's basically the same thing as if lineHeight is not set in the first place
if (lineHeight != null && !CssConstants.NORMAL.Equals(lineHeight) && !CssConstants.AUTO.Equals(lineHeight)
)
{
if (CssTypesValidationUtils.IsNumericValue(lineHeight))
{
float?mult = CssDimensionParsingUtils.ParseFloat(lineHeight);
if (mult != null)
{
element.SetProperty(Property.LEADING, new Leading(Leading.MULTIPLIED, (float)mult));
}
}
else
{
UnitValue lineHeightValue = CssDimensionParsingUtils.ParseLengthValueToPt(lineHeight, em, rem);
if (lineHeightValue != null && lineHeightValue.IsPointValue())
{
element.SetProperty(Property.LEADING, new Leading(Leading.FIXED, lineHeightValue.GetValue()));
}
else
{
if (lineHeightValue != null)
{
element.SetProperty(Property.LEADING, new Leading(Leading.MULTIPLIED, lineHeightValue.GetValue() / 100));
}
}
}
}
else
{
element.SetProperty(Property.LEADING, new Leading(Leading.MULTIPLIED, DEFAULT_LINE_HEIGHT));
}
}
/// <summary>Gets the actual value of the line height.</summary>
/// <param name="fontSize">the font size</param>
/// <param name="rootFontSize">the root font size</param>
/// <param name="lineHeightStr">
/// the line height as a
/// <see cref="System.String"/>
/// </param>
/// <returns>
/// the actual line height as a
/// <c>float</c>
/// </returns>
private static float GetLineHeightActualValue(float fontSize, float rootFontSize, String lineHeightStr)
{
float lineHeightActualValue;
if (lineHeightStr != null)
{
if (CssConstants.NORMAL.Equals(lineHeightStr) || CssConstants.AUTO.Equals(lineHeightStr))
{
lineHeightActualValue = (float)(fontSize * 1.2);
}
else
{
UnitValue lineHeightValue = CssDimensionParsingUtils.ParseLengthValueToPt(lineHeightStr, fontSize, rootFontSize
);
if (CssTypesValidationUtils.IsNumericValue(lineHeightStr))
{
lineHeightActualValue = fontSize * lineHeightValue.GetValue();
}
else
{
if (lineHeightValue.IsPointValue())
{
lineHeightActualValue = lineHeightValue.GetValue();
}
else
{
lineHeightActualValue = fontSize * lineHeightValue.GetValue() / 100;
}
}
}
}
else
{
lineHeightActualValue = (float)(fontSize * 1.2);
}
return(lineHeightActualValue);
}
