/// <summary>
/// If a 'boxes' preview has been written, return a URL to that.
/// Otherwise if there is a background, return the URL to that.
/// Otherwise, return empty string.
/// </summary>
public string GetBackgroundPreviewUrl(FileSystemProject project)
{
if (BackgroundImage == null)
{
return("");
}
var preview = Path.Combine(project.BasePath, "Form8sn_preview_" + BackgroundImage);
if (File.Exists(preview))
{
return($"{project.BaseUri}/Form8sn_preview_{BackgroundImage}");
}
return($"{project.BaseUri}/{BackgroundImage}");
}
/// <summary>
/// Get the expected path to read or write page previews
/// </summary>
public string?GetPreviewPath(FileSystemProject project)
{
return(BackgroundImage == null
? null
: Path.Combine(project.BasePath, "Form8sn_preview_" + BackgroundImage));
}
