Gets a range of text from an Text object.
The number of bytes in the returned string may exceed either end_offset or start_offset, since UTF-8 is a variable-width encoding.
| this |
a pointer to the Text object to query. |
| start_offset |
a int indicating the start of the desired text range. |
| end_offset |
a int indicating the first character past the desired range. |
|
a text string containing characters from |