Gets the offset of the character located at coordinates x and y.
x and y are interpreted as being relative to the screen or this widget's window depending on coords
.
| this |
an Text |
| x |
screen x-position of character |
| y |
screen y-position of character |
| coords |
specify whether coordinates are relative to the screen or widget window |
|
the offset to the character which is located at the specified |