private void DrawAdditionals(SKCanvas canvas, bool beforeBorders)
{
try
{
foreach (CanvasDrawable d in AdditionalDrawables.ToList())
{
if (d == null)
{
continue;
}
if (d.BeforeBorders == beforeBorders)
{
var transform = SKMatrix.CreateScaleTranslation(zoom, zoom, -shift_x * zoom, -shift_y * zoom);
d.Render(canvas, transform);
}
}
}
catch {} // happens mostly when AdditionalDrawables is modified during a render pass. This triggers a redraw anyway, so let's ignore it
}