public bool Open([Settings.Parameter("locator", "Locator of file, capture device or video stream.")] Uri.Locator resource)
{
bool result = false;
if (resource.NotNull())
{
string crop = resource.Query["crop"];
if (crop.NotEmpty())
{
this.Crop = (Geometry2D.Integer.Shell)crop;
}
string scan = resource.Query["scan"];
if (scan.NotEmpty())
{
this.Scan = (Media.Scan)Enum.Parse(typeof(Media.Scan), scan, true);
}
this.Ratio = resource.Query["ratio"];
resource.Query.Remove("crop", "ratio", "scan");
result = this.backend.Open(resource);
}
return(result);
}
