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EuroCD 3
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DrawCircle.rexx
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OS/2 REXX Batch file
|
1998-06-24
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1KB
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53 lines
/*************************************************************************
** DrawCircle.rexx **
** this Rexx-Script supplies a Draw-Circle function **
** however, this could be done better, this is just a demonstration... **
** (need rexxmathlib, ignores line-style) **
** © THOR 1995 **
*************************************************************************/
'getrange' 'brush_line' 'pos'
if pos.count=2 then
do
pi=3.1415926
twopi=2*pi
xm=pos.x.0
ym=pos.y.0
deltax=pos.x.0-pos.x.1
deltay=pos.y.0-pos.y.1
r=sqrt(deltax*deltax+deltay*deltay)
stps=2*int(r)
if stps<2 then
stps=2
incr=pi/stps
'lockgui'
'lockundo'
'fetchundo'
'pushtool' 'cell_window' 'lines' 'left' 'left'
do arg=0 to twopi+incr by incr
if arg=0 then
do
x1=r*cos(arg)+xm
y1=r*sin(arg)+ym
'inside' x1 y1 'in'
if in='TRUE' then
'click' x1 y1
end
else
do
x2=r*cos(arg)+xm
y2=r*sin(arg)+ym
'inside' x1 y1 'in'
'inside' x2 y2 'in2'
if (in='TRUE') & (in2='TRUE') then
'drag' x1 y1 x2 y2
x1=x2
y1=y2
end
end
'unlockundo'
'unlockgui'
end