internal static void MixStyle(this StyleBase style, out FontStyle fontStyle, out GdiColor forecolor, out GdiColor backcolor)
{
forecolor = style.ForegroundOpacity > 0 ? ThemeHelper.DocumentTextColor.Alpha(style.ForegroundOpacity) : ThemeHelper.DocumentTextColor;
backcolor = style.BackgroundOpacity > 0 ? ThemeHelper.DocumentPageColor.Alpha(style.BackgroundOpacity) : ThemeHelper.DocumentPageColor;
fontStyle = style.GetFontStyle();
if (style.ClassificationType == null)
{
return;
}
var p = DefaultClassificationFormatMap.GetRunProperties(style.ClassificationType);
if (p == null)
{
return;
}
SolidColorBrush colorBrush;
if (style.ForeColor.A == 0)
{
colorBrush = p.ForegroundBrushEmpty ? null : p.ForegroundBrush as SolidColorBrush;
if (colorBrush != null)
{
forecolor = (style.ForegroundOpacity > 0 ? colorBrush.Color.Alpha(style.ForegroundOpacity) : colorBrush.Color).ToGdiColor();
}
}
else
{
forecolor = style.AlphaForeColor.ToGdiColor();
}
if (style.BackColor.A == 0)
{
colorBrush = p.BackgroundBrushEmpty ? null : p.BackgroundBrush as SolidColorBrush;
if (colorBrush != null)
{
backcolor = (style.BackgroundOpacity > 0 ? colorBrush.Color.Alpha(style.BackgroundOpacity) : colorBrush.Color).ToGdiColor();
}
}
else
{
backcolor = style.AlphaBackColor.ToGdiColor();
}
if (p.BoldEmpty == false && p.Bold && style.Bold != false)
{
fontStyle |= FontStyle.Bold;
}
if (p.ItalicEmpty == false && p.Italic && style.Italic != false)
{
fontStyle |= FontStyle.Italic;
}
if (p.TextDecorationsEmpty == false)
{
foreach (var decoration in p.TextDecorations)
{
if (decoration.Location == System.Windows.TextDecorationLocation.Underline && style.Underline != false)
{
fontStyle |= FontStyle.Underline;
}
else if (decoration.Location == System.Windows.TextDecorationLocation.Strikethrough && style.Strikethrough != false)
{
fontStyle |= FontStyle.Strikeout;
}
}
}
}