private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
{
// If an image was selected...
if (openDialog.ShowDialog() == true)
{
// Store the path to the image
imagePath = openDialog.FileName;
// And invoke the update function if it exists
updateFunction?.Invoke();
}
}
protected override void MouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (colorDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
setColor(drawingColorToColor(colorDialog.Color));
updateFunction?.Invoke();
}
else
{
colorDialog.Color = colorToDrawingColor(selectedColor);
}
}
/// <summary>
/// Steps the animation by t, and stores the new state. If the animation sequence isn't initalised, initFn is called.
/// CompletionPredicate is checked at every step, if true and a callback function exists, callback is called first,
/// then the function returns true. Returns false if completionPredicate evaluates to false.
/// </summary>
/// <param name="t">A parameter (usually deltaTime) that indicates how far along is the animation</param>
/// <returns></returns>
public bool Step(float t)
{
if (!initialised)
{
state = initFn.Invoke();
initialised = true;
}
state = updateFn.Invoke(state, t);
completed = completionPredicate.Invoke(state);
if (completed && callback != null)
{
callback.Invoke(state);
}
return(completed);
}