DrawFile_BBox (changes)
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DrawFile
» SWI Calls
» DrawFile_BBox
DrawFile_BBox
(SWI &45541)
| Entry | |
|---|---|
| R0 | Flags (must be zero) |
| R1 | Pointer to drawfile block |
| R2 | Length of block |
| R3 | Transformation matrix, or 0 to use identity |
| R4 | Pointer to 4 word buffer for Bounding box in draw units |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
| R2 | Preserved |
| R3 | Preserved |
| R4 | Preserved |
Use
The purpose of this call is to return the bounding box (in Draw units) a given Draw file will occupy.
Notes
None.
See also
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