actualBoundingBoxAscent property
double
get
actualBoundingBoxAscent
The read-only actualBoundingBoxAscent property of the TextMetrics
interface is a double giving the distance from the horizontal line
indicated by the CanvasRenderingContext2D.textBaseline attribute to the
top of the bounding rectangle used to render the text, in CSS pixels.
Implementation
external double get actualBoundingBoxAscent;