protected internal override void UpdateSize()
{
if (ValidRect)
{
return;
}
RotatedRectangleF textRect;
if (!TextPath.IsEmpty)
{
var dpi = Canvas != null ? 96 * Canvas.Zoom : 72;
textRect = new RotatedRectangleF(MeasureText(dpi));
textRect.Scale(72 / dpi, 72 / dpi);
var firstPoint = TextPath.GetFirstPoint();
// Move text rectangle to the text path's first point because GetBlackBox returns an empty rectangle (in location 0:0) when text is empty
if (textRect.IsEmpty)
{
textRect.CenterX = firstPoint.X;
textRect.CenterY = firstPoint.Y;
}
textRect.RotateAt(Angle, firstPoint);
}
else
{
textRect = new RotatedRectangleF();
}
Path = Path.CreateRectanglePath(textRect.ToRectangleF());
Transform.Clear(keepAngle: true);
ActualAngle = Transform.Angle;
ValidRect = true;
}
private Math.PointF GetDrawingFirstPoint(float dpi = 72)
{
return(Utils.EqualsOfFloatNumbers(72, dpi) ?
new Math.PointF(TextPath.GetFirstPoint()) :
new Math.PointF(TextPath.GetFirstPoint()).Scale(dpi / 72, dpi / 72));
}