block Bounds
Only works on TextBlobs that come from TextBlobBuilderRunHandler/Shaper default handler.
Return
tight bounds around all the glyphs in the TextBlob
Throws
if TextBlob doesn’t have this information
Only works on TextBlobs that come from TextBlobBuilderRunHandler/Shaper default handler.
tight bounds around all the glyphs in the TextBlob
if TextBlob doesn’t have this information