/// <summary>
/// Converts some common styling attributes to their OpenXml equivalence.
/// </summary>
/// <param name="en">The Html parser.</param>
/// <param name="styleAttributes">The collection of attributes where to store new discovered attributes.</param>
public void ProcessCommonAttributes(HtmlEnumerator en, IList <OpenXmlElement> styleAttributes)
{
if (en.Attributes.Count == 0)
{
return;
}
var colorValue = en.StyleAttributes.GetAsColor("color");
if (colorValue.IsEmpty)
{
colorValue = en.Attributes.GetAsColor("color");
}
if (!colorValue.IsEmpty)
{
styleAttributes.Add(new Color {
Val = colorValue.ToHexString()
});
}
colorValue = en.StyleAttributes.GetAsColor("background-color");
if (!colorValue.IsEmpty)
{
// change the way the background-color renders. It now uses Shading instead of Highlight.
// Changes brought by Wude on http://html2openxml.codeplex.com/discussions/277570
styleAttributes.Add(new Shading {
Val = ShadingPatternValues.Clear, Fill = colorValue.ToHexString()
});
}
var decorations = Converter.ToTextDecoration(en.StyleAttributes["text-decoration"]);
if ((decorations & TextDecoration.Underline) != 0)
{
styleAttributes.Add(new Underline {
Val = UnderlineValues.Single
});
}
if ((decorations & TextDecoration.LineThrough) != 0)
{
styleAttributes.Add(new Strike());
}
String[] classes = en.Attributes.GetAsClass();
if (classes != null)
{
for (int i = 0; i < classes.Length; i++)
{
string className = documentStyle.GetStyle(classes[i], StyleValues.Character, ignoreCase: true);
if (className != null) // only one Style can be applied in OpenXml and dealing with inheritance is out of scope
{
styleAttributes.Add(new RunStyle()
{
Val = className
});
break;
}
}
}
HtmlFont font = en.StyleAttributes.GetAsFont("font");
if (!font.IsEmpty)
{
if (font.Style == FontStyle.Italic)
{
styleAttributes.Add(new Italic());
}
if (font.Weight == FontWeight.Bold || font.Weight == FontWeight.Bolder)
{
styleAttributes.Add(new Bold());
}
if (font.Variant == FontVariant.SmallCaps)
{
styleAttributes.Add(new SmallCaps());
}
if (font.Family != null)
{
styleAttributes.Add(new RunFonts()
{
Ascii = font.Family, HighAnsi = font.Family
});
}
// size are half-point font size
if (font.Size.IsFixed)
{
styleAttributes.Add(new FontSize()
{
Val = (font.Size.ValueInPoint * 2).ToString(CultureInfo.InvariantCulture)
});
}
}
}