public override object?ConvertFromInvariantString(string?value)
{
if (value == null)
{
return(null);
}
value = value?.Trim();
if (string.Compare(value, "top", StringComparison.OrdinalIgnoreCase) == 0)
{
return(SKConfettiEmitterBounds.Top);
}
if (string.Compare(value, "left", StringComparison.OrdinalIgnoreCase) == 0)
{
return(SKConfettiEmitterBounds.Left);
}
if (string.Compare(value, "right", StringComparison.OrdinalIgnoreCase) == 0)
{
return(SKConfettiEmitterBounds.Right);
}
if (string.Compare(value, "bottom", StringComparison.OrdinalIgnoreCase) == 0)
{
return(SKConfettiEmitterBounds.Bottom);
}
if (string.Compare(value, "center", StringComparison.OrdinalIgnoreCase) == 0)
{
return(SKConfettiEmitterBounds.Center);
}
if (value?.IndexOf(',') == value?.LastIndexOf(','))
{
var pointConverter = new PointTypeConverter();
var point = (Point)pointConverter.ConvertFromInvariantString(value);
return(SKConfettiEmitterBounds.Point(point));
}
var rectConverter = new RectTypeConverter();
var rect = (Rect)rectConverter.ConvertFromInvariantString(value);
return(SKConfettiEmitterBounds.Bounds(rect));
}
public ConfettiPage()
{
InitializeComponent();
Configs = new Dictionary <string, ConfettiConfig>
{
["Top"] = new ConfettiConfig(),
["Center"] = new ConfettiConfig
{
MinSpeed = 30,
MaxSpeed = 150,
Duration = 0,
OnCreateSystem = (i, system) =>
{
system.Emitter = SKConfettiEmitter.Burst(100);
system.EmitterBounds = SKConfettiEmitterBounds.Center;
}
},
["Sides"] = new ConfettiConfig(2)
{
MinSpeed = 50,
MaxSpeed = 400,
Duration = 0,
OnCreateSystem = (i, system) =>
{
system.Emitter = SKConfettiEmitter.Burst(100);
if (i % 2 == 0)
{
system.EmitterBounds = SKConfettiEmitterBounds.Point(0, Height);
system.StartAngle = -85;
system.EndAngle = -35;
}
else
{
system.EmitterBounds = SKConfettiEmitterBounds.Point(Width, Height);
system.StartAngle = 265;
system.EndAngle = 215;
}
}
},
};
BindingContext = this;
}