protected override GeneralPathVisual CreateVisual(IRenderContext context, IStripe stripe)
{
IRectangle layout = stripe.Layout.ToRectD();
GeneralPath outline = CreatePath(stripe, layout);
Brush brush = StripeDescriptor.BackgroundBrush;
if (!(brush is SolidBrush))
{
brush = NormalizeBrush(brush, layout);
}
return(new MyPathVisual(outline)
{
Transform = new Matrix(1, 0, 0, 1, (float)layout.X, (float)layout.Y),
Brush = brush,
Pen = new Pen(StripeDescriptor.BorderBrush, StripeDescriptor.BorderThickness),
Size = layout.GetSize()
});
}
protected override GeneralPathVisual UpdateVisual(IRenderContext context, GeneralPathVisual oldVisual, IStripe stripe)
{
var path = oldVisual as MyPathVisual;
if (path == null)
{
return(CreateVisual(context, stripe));
}
IRectangle layout = stripe.Layout.ToRectD();
if (path.Size != layout.GetSize())
{
// the size has changed: need to recreate the path
path.Path = CreatePath(stripe, layout);
}
path.Brush = StripeDescriptor.BackgroundBrush is SolidBrush
? StripeDescriptor.BackgroundBrush
: NormalizeBrush(StripeDescriptor.BackgroundBrush, layout);
path.Transform = new Matrix(1, 0, 0, 1, (float)layout.X, (float)layout.Y);
return(path);
}