Draw_StrokeClipped (changes)
Showing changes from revision #2 to #3:
Added | Removed | Changed
Draw
» SWI Calls
» Draw_StrokeClipped
Draw_StrokeClipped
(SWI &4070E)
| Entry | |
|---|---|
| R0 | Pointer to path block |
| R1 | Fill style |
| R2 | Pointer to transformation matrix, or 0 for identity |
| R3 | Flatness, or 0 for default |
| R4 | Line thickness, or 0 for default |
| R5 | Pointer to join/cap block, or 0 if none |
| R6 | Pointer to dash block, or 0 if none |
| R7 | Pointer to clip block |
| Exit | |
|---|---|
| R0 | Corrupted |
| R1 | Preserved |
| R2 | Preserved |
| R3 | Preserved |
| R4 | Preserved |
| R5 | Preserved |
| R6 | Preserved |
| R7 | Preserved |
Use
The purpose of this call is to draw a path (clipped) on the screen.
Notes
If thickness is zero, fill bits 3, 2 must not be 01.
If thickness is non-zero, fill bits 2-5 must not be 0110. i.e. Filling just the boundary pixels.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.