D
Size: a a a
D
D
DE
PV
D
D
D
D
D
context.measureText(text).actualBoundingBoxDescent
S
context.measureText(text).actualBoundingBoxDescent
PV
D
D
PV
DE
let metrics = ctx.measureText(text);
let fontHeight = metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent;
let actualHeight = metrics.actualBoundingBoxAscent + metrics.actualBoundingBoxDescent;
S
let metrics = ctx.measureText(text);
let fontHeight = metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent;
let actualHeight = metrics.actualBoundingBoxAscent + metrics.actualBoundingBoxDescent;