StringBuilder PrepareFormattingString(StringBuilder _formattingString)
{
if (!ForegroundColor.IsDefault)
{
_formattingString.AppendFormat("color={0} ", ForegroundColor.ToHex());
}
if (!BackgroundColor.IsDefault)
{
_formattingString.AppendFormat("backing_color={0} backing=on ", BackgroundColor.ToHex());
}
if (!string.IsNullOrEmpty(FontFamily))
{
_formattingString.AppendFormat("font={0} ", FontFamily);
}
if (FontSize != -1)
{
_formattingString.AppendFormat("font_size={0} ", System.Maui.Maui.ConvertToEflFontPoint(FontSize));
}
if ((FontAttributes & FontAttributes.Bold) != 0)
{
_formattingString.Append("font_weight=Bold ");
}
else
{
// FontWeight is only available in case of FontAttributes.Bold is not used.
if (FontWeight != Specific.FontWeight.None)
{
_formattingString.AppendFormat("font_weight={0} ", FontWeight);
}
}
if ((FontAttributes & FontAttributes.Italic) != 0)
{
_formattingString.Append("font_style=italic ");
}
if (Underline)
{
_formattingString.AppendFormat("underline=on underline_color={0} ",
ForegroundColor.IsDefault ? s_defaultLineColor.ToHex() : ForegroundColor.ToHex());
}
if (Strikethrough)
{
_formattingString.AppendFormat("strikethrough=on strikethrough_color={0} ",
ForegroundColor.IsDefault ? s_defaultLineColor.ToHex() : ForegroundColor.ToHex());
}
switch (HorizontalTextAlignment)
{
case TextAlignment.Auto:
_formattingString.Append("align=auto ");
break;
case TextAlignment.Start:
_formattingString.Append("align=left ");
break;
case TextAlignment.End:
_formattingString.Append("align=right ");
break;
case TextAlignment.Center:
_formattingString.Append("align=center ");
break;
case TextAlignment.None:
break;
}
if (LineHeight != -1.0d)
{
_formattingString.Append($"linerelsize={(int)(LineHeight * 100)}%");
}
switch (LineBreakMode)
{
case LineBreakMode.HeadTruncation:
_formattingString.Append("ellipsis=0.0");
break;
case LineBreakMode.MiddleTruncation:
_formattingString.Append("ellipsis=0.5");
break;
case LineBreakMode.TailTruncation:
_formattingString.Append("ellipsis=1.0");
break;
case LineBreakMode.None:
break;
}
return(_formattingString);
}