Wimp_TextOp 3 (changes)
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WindowManager
» SWI Calls
» Wimp_TextOp
» Wimp_TextOp (Get Split Point)
Wimp_TextOp (Get Split Point)
(Reason Code 3)
| Entry | |
|---|---|
| R0 | 3 |
| R1 | Pointer to ctrl-terminated string |
| R2 | Width in OS units |
| R3 | Split character |
| Exit | |
|---|---|
| R0 | Pointer to split point |
| R1 | Preserved |
| R2 | Preserved |
Use
With a reason code of 3, this call calculates how many characters of a string can be displayed with a specific width specified in OS units.
Notes
This is very useful when applications implement their own font display routines, so that fonts can be wrapped correctly on screen.
See also
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