The offset of the first text character for which boundary information is required.
The offset of the text character after the last character for which boundary information is required.
Specify whether coordinates are relative to the screen or widget window.
A pointer to a AtkTextRectangle which is filled in by this function.
1.3
Get the bounding box for text within the specified range.
If the extents can not be obtained (e.g. or missing support), the rectangle fields are set to -1.