public void RatioConvertTest()
{
var fixture = new Fixture();
var converter = new RatioConverter();
var value = fixture.Create <double>();
var parameter = fixture.Create <double>();
var result = converter.Convert(value, null, parameter, CultureInfo.CurrentCulture);
Assert.That(result, Is.EqualTo(value * parameter));
Assert.That(result, Is.TypeOf <double>());
}
public Boolean Validate(IMediaFeature feature, IRenderDevice device)
{
var ratio = RatioConverter.Convert(feature.Value);
if (ratio != null)
{
var desired = ratio.AsNumber();
var available = device.ViewPortWidth / (Double)device.ViewPortHeight;
if (feature.IsMaximum)
{
return(available <= desired);
}
else if (feature.IsMinimum)
{
return(available >= desired);
}
return(desired == available);
}
return(false);
}
public void InitializeConverter()
{
_converter = new RatioConverter();
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return(_instance ?? (_instance = new RatioConverter()));
}