static StyleRange ExtractStyle(ICssStyleDeclaration style)
{
var mappedStyle = new StyleRange();
string cssColor = null;
try
{
cssColor = style?.GetPropertyValue("color");
mappedStyle.Color = ParseColor(cssColor);
}
catch (NullReferenceException) { }
try
{
string fontWeight = null;
fontWeight = style?.GetPropertyValue("font-weight");
mappedStyle.Bold = (!string.IsNullOrEmpty(fontWeight) && fontWeight == "bold");
}
catch (NullReferenceException) { }
try
{
string fontStyle = null;
fontStyle = style?.GetPropertyValue("font-style");
mappedStyle.Italic = (!string.IsNullOrEmpty(fontStyle) && fontStyle == "italic");
}
catch (NullReferenceException) { }
return(mappedStyle);
}
private static void ApplyStyle(PowerPoint.TextRange selection, StyleRange style)
{
var range = selection.Characters(style.Begin + 1, style.Length);
if (style.Color is Color color)
{
range.Font.Color.RGB = color.ToOle();
}
if (style.Bold is bool bold)
{
range.Font.Bold = bold.ToTryState();
}
if (style.Italic is bool italic)
{
range.Font.Italic = italic.ToTryState();
}
ApplyStyle(selection, style.Children);
}
private StyleRange Parse(int begin, IElement element, IWindow browsingWindow)
{
StyleRange style;
try
{
style = ExtractStyle(browsingWindow.GetComputedStyle(element));
}
catch (NullReferenceException)
{
style = new StyleRange();
}
style.Begin = begin;
style.Length = element.TextContent.Length;
style.Text = element.TextContent;
style.Children = Parse(begin, element.ChildNodes, browsingWindow);
return(style);
}
