internal virtual float ParseDimension(CssContextNode node, String content, float maxAvailableDimension, float
additionalWidthFix)
{
float fontSize = CssDimensionParsingUtils.ParseAbsoluteFontSize(node.GetStyles().Get(CssConstants.FONT_SIZE
));
UnitValue unitValue = CssDimensionParsingUtils.ParseLengthValueToPt(content, fontSize, 0);
if (unitValue == null)
{
return(0);
}
if (unitValue.IsPointValue())
{
return(unitValue.GetValue() + additionalWidthFix);
}
return(maxAvailableDimension * unitValue.GetValue() / 100f);
}
/// <summary>Sets the root font size.</summary>
/// <param name="fontSizeStr">the new root font size</param>
public virtual void SetRootFontSize(String fontSizeStr)
{
this.rootFontSize = CssDimensionParsingUtils.ParseAbsoluteFontSize(fontSizeStr);
}
/* (non-Javadoc)
* @see com.itextpdf.html2pdf.css.resolve.ICssResolver#resolveStyles(com.itextpdf.html2pdf.html.node.INode, com.itextpdf.html2pdf.css.resolve.CssContext)
*/
private IDictionary <String, String> ResolveStyles(INode element, CssContext context)
{
IDictionary <String, String> elementStyles = ResolveElementsStyles(element);
if (CssConstants.CURRENTCOLOR.Equals(elementStyles.Get(CssConstants.COLOR)))
{
// css-color-3/#currentcolor:
// If the ‘currentColor’ keyword is set on the ‘color’ property itself, it is treated as ‘color: inherit’.
elementStyles.Put(CssConstants.COLOR, CssConstants.INHERIT);
}
String parentFontSizeStr = null;
if (element.ParentNode() is IStylesContainer)
{
IStylesContainer parentNode = (IStylesContainer)element.ParentNode();
IDictionary <String, String> parentStyles = parentNode.GetStyles();
if (parentStyles == null && !(element.ParentNode() is IDocumentNode))
{
ILog logger = LogManager.GetLogger(typeof(iText.Html2pdf.Css.Resolve.DefaultCssResolver));
logger.Error(iText.Html2pdf.LogMessageConstant.ERROR_RESOLVING_PARENT_STYLES);
}
if (parentStyles != null)
{
ICollection <IStyleInheritance> inheritanceRules = new HashSet <IStyleInheritance>();
inheritanceRules.Add(cssInheritance);
foreach (KeyValuePair <String, String> entry in parentStyles)
{
elementStyles = StyleUtil.MergeParentStyleDeclaration(elementStyles, entry.Key, entry.Value, parentStyles.
Get(CommonCssConstants.FONT_SIZE), inheritanceRules);
}
parentFontSizeStr = parentStyles.Get(CssConstants.FONT_SIZE);
}
}
String elementFontSize = elementStyles.Get(CssConstants.FONT_SIZE);
if (CssTypesValidationUtils.IsRelativeValue(elementFontSize) || CssConstants.LARGER.Equals(elementFontSize
) || CssConstants.SMALLER.Equals(elementFontSize))
{
float baseFontSize;
if (CssTypesValidationUtils.IsRemValue(elementFontSize))
{
baseFontSize = context.GetRootFontSize();
}
else
{
if (parentFontSizeStr == null)
{
baseFontSize = CssDimensionParsingUtils.ParseAbsoluteFontSize(CssDefaults.GetDefaultValue(CssConstants.FONT_SIZE
));
}
else
{
baseFontSize = CssDimensionParsingUtils.ParseAbsoluteLength(parentFontSizeStr);
}
}
float absoluteFontSize = CssDimensionParsingUtils.ParseRelativeFontSize(elementFontSize, baseFontSize);
// Format to 4 decimal places to prevent differences between Java and C#
elementStyles.Put(CssConstants.FONT_SIZE, DecimalFormatUtil.FormatNumber(absoluteFontSize, "0.####") + CssConstants
.PT);
}
else
{
elementStyles.Put(CssConstants.FONT_SIZE, Convert.ToString(CssDimensionParsingUtils.ParseAbsoluteFontSize(
elementFontSize), System.Globalization.CultureInfo.InvariantCulture) + CssConstants.PT);
}
// Update root font size
if (element is IElementNode && TagConstants.HTML.Equals(((IElementNode)element).Name()))
{
context.SetRootFontSize(elementStyles.Get(CssConstants.FONT_SIZE));
}
ICollection <String> keys = new HashSet <String>();
foreach (KeyValuePair <String, String> entry in elementStyles)
{
if (CssConstants.INITIAL.Equals(entry.Value) || CssConstants.INHERIT.Equals(entry.Value))
{
// if "inherit" is not resolved till now, parents don't have it
keys.Add(entry.Key);
}
}
foreach (String key in keys)
{
elementStyles.Put(key, CssDefaults.GetDefaultValue(key));
}
// This is needed for correct resolving of content property, so doing it right here
CounterProcessorUtil.ProcessCounters(elementStyles, context);
ResolveContentProperty(elementStyles, element, context);
return(elementStyles);
}