-- background: 2777 from stack: in
-- bmap block id: 2207
-- flags: 0000
-- background id: 0
-- name: 
----- HyperTalk script -----
-------------SPIRO!©   by andrew c stone   ------------
-------------UUCP     stone@hydra.unm.edu   stone@sleepy.cs.unm.edu

on spiro
  ------ get the specifications:
  ------ have defaults for no-brainers

  put (the commandkey is down) into useSpecial


  put validate(fld "myangle") into angle
  if angle is empty then
    put 121 into angle
    put 121 into fld "myangle"
  end if

  put validate(fld "mywidth") into lwidth
  if lwidth is empty then
    put 1 into lwidth
    put 1 into fld "mywidth"
  end if
  set the linesize to lwidth

  put validate(fld "mystartL") into Length
  if Length is empty then
    put 4 into Length
    put 4 into fld "mystartL"
  end if

  put validate(fld "myendL") into endLength
  if endLength is empty then
    put 300 into endLength
    put 300 into fld "myendL"
  end if

  put validate(fld "myincrement") into increment
  if increment is empty then
    put 4 into increment
    put 4 into fld "myincrement"
  end if
  --------------------------
  --convert angle to theta :
  put (pi*angle)/180 into angle
  ---center the drawing:
  put 217 into X
  put 171 into Y
  put angle into theta
  choose line tool
  if useSpecial then
    specialSpiro X,Y,theta, Length,increment,endLength,angle
  else
    set the pattern to 1
    repeat
      set cursor to busy
      put X + trunc(Length * cos(theta)) into newX
      put Y + trunc(Length * sin(theta)) into newY
      drag from X,Y to newX,newY
      put newX into X
      put newY into Y
      put theta + angle into theta
      add increment to Length
      if Length > endLength then exit repeat
    end repeat
  end if
  choose select tool
  drag from 434,1 to 512,342
  type numtochar(8)
  choose browse tool
end spiro

on specialSpiro  X,Y,theta,Length,increment,endLength,angle
  set the pattern to 1
  domenu "select all"
  domenu "invert"
  drag from 434,0 to 512,342
  type numtochar(8)
  choose line tool
  repeat
    set cursor to busy
    put X + trunc(Length * cos(theta)) into newX
    put Y + trunc(Length * sin(theta)) into newY
    drag from X,Y to newX,newY with optionkey
    put newX into X
    put newY into Y
    put theta + angle into theta
    add increment to Length
    if Length > endLength then exit repeat
  end repeat
end specialSpiro

function validate var  ---because we care
put var into temp
repeat with i = 1 to length of temp
  if char i of temp is not in ".0123456789" then
    answer "Bad Data: "&var&&" Now using defaults."
    return empty
  end if
end repeat
return temp
end validate




-- part 2 (field)
-- low flags: 00
-- high flags: 0002
-- rect: left=434 top=47 right=67 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 14
-- style flags: 256
-- line height: 18
-- part name: myangle


-- part 3 (button)
-- low flags: 00
-- high flags: C002
-- rect: left=434 top=29 right=49 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 12
-- style flags: 256
-- line height: 16
-- part name: Angle
----- HyperTalk script -----
on mousedown
  put PopUpMenu("90;91;103;109;121;129;136;145;152;159;163;170,Other…", 0, the mouseV , the mouseH - 20) into which
  if which is 0 then exit mousedown

  if which  is 1 then
    put "90" into fld myangle
  else if which is 2 then
    put "91" into fld myangle
  else if which is 3 then
    put "103" into fld myangle
  else if which is 4 then
    put "109" into fld myangle
  else if which is 5 then
    put "121" into fld myangle
  else if which is 6 then
    put "129" into fld myangle
  else if which is 7 then
    put "136" into fld myangle
  else if which is 8 then
    put "145" into fld myangle
  else if which is 9 then
    put "152" into fld myangle
  else if which is 10 then
    put "159" into fld myangle
  else if which is 11 then
    put "163" into fld myangle
  else if which is 12 then
    put "170" into fld myangle
  else if which is 13 then
    ask "Please enter angle between 90 & 180:"
    put it into fld myangle
  end if
end mousedown



-- part 4 (button)
-- low flags: 00
-- high flags: C002
-- rect: left=434 top=80 right=100 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 12
-- style flags: 256
-- line height: 16
-- part name: Increment
----- HyperTalk script -----
on mousedown
  put PopUpMenu("1;2;3;4;5;6;7;8;9;10;11;12,Other…", 0, the mouseV , the mouseH - 20) into which
  if which is 0 then exit mousedown
  if which is 13 then
    ask "Please enter increment:"
    put it into fld myincrement
  else
    put which into fld myincrement
  end if
end mousedown



-- part 5 (button)
-- low flags: 00
-- high flags: C002
-- rect: left=434 top=131 right=150 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 12
-- style flags: 256
-- line height: 16
-- part name: Line Width
----- HyperTalk script -----
on mousedown
  put PopUpMenu("1;2;3;4;5;6;7;8;Other…", 0, the mouseV , the mouseH - 20) into which
  if which is 0 then exit mousedown
  if which is 9 then
    ask "Please enter line width [1 to 8]:"
    put it into fld myWidth
  else
    put which into fld myWidth
  end if
end mousedown


-- part 6 (button)
-- low flags: 00
-- high flags: C002
-- rect: left=434 top=231 right=251 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 12
-- style flags: 256
-- line height: 16
-- part name: Last Line
----- HyperTalk script -----
on mousedown
  put PopUpMenu("150;200;250;300;350;400;450;550;650;Other…", 0, the mouseV , the mouseH - 20) into which
  if which is 0 then exit mousedown
  if which  is 1 then
    put "150" into fld myendL
  else if which is 2 then
    put "200" into fld myendL
  else if which is 3 then
    put "250" into fld myendL
  else if which is 4 then
    put "300" into fld myendL
  else if which is 5 then
    put "350" into fld myendL
  else if which is 6 then
    put "400" into fld myendL
  else if which is 7 then
    put "450" into fld myendL
  else if which is 8 then
    put "550" into fld myendL
  else if which is 9 then
    put "650" into fld myendL
  else if which is 10 then
    ask "Please enter length of longest line:"
    put it into fld myendL
  end if
end mousedown



-- part 7 (button)
-- low flags: 00
-- high flags: C002
-- rect: left=434 top=180 right=199 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 12
-- style flags: 256
-- line height: 16
-- part name: First Line
----- HyperTalk script -----
on mousedown
  put PopUpMenu("1;2;3;4;5;6;7;8;9;10;20;30,Other…", 0, the mouseV , the mouseH - 20) into which
  if which is 0 then exit mousedown
  if which  is 11 then
    put "20" into fld mystartL
  else if which is 12 then
    put "30" into fld mystartL
  else if which is 13 then
    ask "Enter pixel length of first line:"
    put it into fld mystartL
  else
    put which into fld mystartL
  end if
end mousedown




-- part 8 (field)
-- low flags: 00
-- high flags: 0002
-- rect: left=434 top=100 right=120 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 14
-- style flags: 256
-- line height: 18
-- part name: myincrement


-- part 9 (field)
-- low flags: 00
-- high flags: 0002
-- rect: left=434 top=150 right=170 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 14
-- style flags: 256
-- line height: 18
-- part name: myWidth


-- part 10 (field)
-- low flags: 00
-- high flags: 0002
-- rect: left=434 top=199 right=218 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 14
-- style flags: 256
-- line height: 18
-- part name: mystartL


-- part 11 (field)
-- low flags: 00
-- high flags: 0002
-- rect: left=434 top=251 right=270 bottom=512
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 14
-- style flags: 256
-- line height: 18
-- part name: myEndL


-- part 12 (button)
-- low flags: 00
-- high flags: 8003
-- rect: left=437 top=277 right=310 bottom=509
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 3
-- text size: 18
-- style flags: 256
-- line height: 24
-- part name: SPIRO!
----- HyperTalk script -----
on mouseUp
  set the hilite of me to true
  spiro
  set the hilite of me to false
end mouseUp



-- part 13 (button)
-- low flags: 00
-- high flags: 8003
-- rect: left=437 top=318 right=338 bottom=509
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Clear All
----- HyperTalk script -----
on mouseUp
  set the hilite of me to true
  if the commandkey is down then
    choose select tool
    domenu "select all"
    domenu "invert"
    drag from 434,1 to 512,342
    type numtochar(8)
    choose browse tool
  else

    choose select tool
    domenu "select all"
    type numtochar(8)
  end if
  set the hilite of me to false

  choose browse tool
end mouseUp