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GridIsometric30.pprx
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1993-05-25
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923b
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46 lines
/* This Genie sets up an isometric grid and enables snap.
Written by Don Cox © Feb 93 Not public domain. All rights reserved. */
signal on error
signal on syntax
address command
call SafeEndEdit.rexx()
call ppm_AutoUpdate(0)
cr="0a"x
gsize = ppm_GetGridSize()
gwidth = word(gsize,1)
gheight = word(gsize,2)
call ppm_SaveText("ram:gridsize",gsize)
currentunits = ppm_GetUnits()
call ppm_SetGrid(1)
select
when currentunits = 1 then call ppm_SetGridSize(0.2165,0.125)
when currentunits = 2 then call ppm_SetGridSize(.433,.25)
otherwise call ppm_SetGridSize(1.9,1) /* not so accurate in picas */
end
call ppm_SetGridSnap(1)
call exit_msg()
end
error:
syntax:
do
exit_msg("Genie failed due to error: "errortext(rc))
end
exit_msg:
do
parse arg message
if message ~= "" then
call ppm_Inform(1,message)
call ppm_ClearStatus()
call ppm_AutoUpdate(1)
exit
end