(go to: table of contents, index, list of vms_smg, prev: DRAW_CHAR, next: DRAW_RECTANGLE)
None
Arguments:
DRAW_LINE - Draw a horizontal or vertical line
Format:
vms_smg.draw_line (display_id, start_row, start_column, \
end_row, end_column, \
[rendition_set], [rendition_complement])
Returns:
Examples:
(go to: table of contents,
index,
list of vms_smg,
prev: DRAW_CHAR,
next: DRAW_RECTANGLE)
>>> import vms_smg
>>> import vms_smgdef
>>> # create a new DECwindows terminal using SMG
>>> status, pasteboard_id, number_of_pasteboard_rows, \
... number_of_pasteboard_columns, type_of_terminal, \
... device_name = vms_smg.create_pasteboard \
... (None, vms_smgdef.SMG_M_WORKSTATION)
>>>
>>> # create virtual display
>>> status, vtdpy1 = vms_smg.create_virtual_display \
... (5, 10, vms_smgdef.SMG_M_BORDER, None, None)
>>>
>>> # paste virtual display
>>> status = vms_smg.paste_virtual_display \
... (vtdpy1, pasteboard_id, 3, 5, None)
>>>
>>> # draw on virtual display
>>> vms_smg.draw_line (vtdpy1, 2, 2, 2, 7)
>>> vms_smg.draw_line (vtdpy1, 4, 2, 4, 8)
>>> vms_smg.draw_line (vtdpy1, 3, 4, 5, 4)
>>> vms_smg.draw_line (vtdpy1, 4, 6, 5, 6)
>>>
>>> # diagonal lines are not allowed
>>> vms_smg.draw_line (vtdpy1, 4, 6, 5, 7)
Traceback (innermost last):
File "<stdin>", line 1, in ?
vms_smg.error: (1213084, '%SMG-F-DIALINNOT, diagonal line not allowed')
>>>