get
Return the index of the closest character whose rect intersects the given x and y coordinates.
Return
The index of the selected character (zero indexed) or -1 if no character was found at the given coordinates.
Parameters
page
Page number of the page, zero indexed.
x
X coordinate in PDF point units (usually 1/72 of an inch).
y
Y coordinate in PDF point units (usually 1/72 of an inch).