public IEnumerable <CompilationMessage> Draw(SKSurface surface, SKSizeI drawingSize)
{
var messages = new List <CompilationMessage>();
if (ScriptType != null && drawMethod == null)
{
drawMethod = ScriptType.GetMethod(
"Draw",
BindingFlags.Static | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.InvokeMethod,
null,
new[] { typeof(SKCanvas), typeof(int), typeof(int) },
null);
if (drawMethod == null)
{
messages.Add(new CompilationMessage
{
Message = "Unable to find entry method 'void Draw(SKCanvas canvas, int width, int height)'.",
Severity = CompilationMessageSeverity.Error
});
}
else if (!drawMethod.IsStatic)
{
instance = Activator.CreateInstance(ScriptType, new[] { new object[2] });
}
}
try
{
drawMethod?.Invoke(instance, new object[] { surface.Canvas, drawingSize.Width, drawingSize.Height });
}
catch (Exception ex)
{
if (ex is TargetInvocationException tiex)
{
ex = tiex.InnerException;
}
messages.Add(new CompilationMessage
{
Message = $"An error occured during execution: {ex.Message}",
Severity = CompilationMessageSeverity.Error
});
}
return(messages);
}