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############################################################################
#
# File: chernoff.icn
#
# Subject: Program to imitate a Chernoff face
#
# Author: Jon Lipp
#
# Date: August 14, 1996
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program displays a Chernoff face.
#
############################################################################
#
# Links: options, vidgets, vscroll, vbuttons, wopen, xcompat
#
############################################################################
link options
link vidgets, vscroll, vbuttons
link wopen
link xcompat
global FH
procedure main(args)
local opts, font, wid, h
local root, win, s1, s2, s3, s4, s5
opts := options(args, "f:wh")
font := \opts["f"]
wid := \opts["w"]
h := \opts["h"]
win := WOpen("label=popup dialogs demo",
"size=" || (\wid | 425) || "," || (\h | 325)) |
stop("*** can't open window")
root := Vroot_frame(win)
FH := WAttrib(win, "fheight")
s1 := Vhoriz_scrollbar(root, 0, 50, win, eyes, 1, 90, , 10, 99, 1)
s2 := Vhoriz_scrollbar(root, 0, 100, win, pupils, 2, 90, , 10, 99, 1)
s3 := Vhoriz_scrollbar(root, 0, 150, win, nose, 2, 90, , 0, 25, 1)
s4 := Vhoriz_scrollbar(root, 0, 200, win, smile, 2, 90, , 47, 32, 1)
s5 := Vhoriz_scrollbar(root, 0, 250, win, face, 2, 90, , 250, 300, 1)
# Vpane(root, 100, 10, win, , , 200, 200)
VResize(root)
put_label(root, s1, "eyes")
put_label(root, s2, "pupils")
put_label(root, s3, "nose")
put_label(root, s4, "smile")
put_label(root, s5, "face")
eyes(s1.thumb, s1.callback.value)
pupils(s2.thumb, s2.callback.value)
nose(s3.thumb, s3.callback.value)
smile(s4.thumb, s4.callback.value)
face(s5.thumb, s5.callback.value)
GetEvents(root, quit)
end
procedure quit(e)
if e === "q" then stop()
end
procedure write_val(vid, val)
GotoXY(vid.win, vid.ax-10, vid.ay-5)
writes(vid.win, val||" ")
end
procedure put_label(root, sc, str)
local x, l
l := TextWidth(root.win, str)
x := sc.ax+sc.aw-l
VDraw(Vmessage(root, x, sc.ay-5-FH, root.win, str))
end
procedure face(vid, val)
local x1, y, x
static faceval, ox1, oy
write_val(vid, val)
x1 := 250 - val/2
y := 150 - val/2
rev_on(vid.win)
XDrawArc(vid.win, \ox1, \oy, \faceval, \faceval)
rev_off(vid.win)
XDrawArc(vid.win, x1, y, val, val)
faceval := val
ox1 := x1; oy := y
end
procedure eyes(vid, val)
local x1, x2, y
static eyeval, ox1, ox2, oy
write_val(vid, val)
x1 := 200 - val/2
x2 := 300 - val/2
y := 100 - val/2
rev_on(vid.win)
XDrawArc(vid.win, \ox1, \oy, \eyeval, \eyeval)
XDrawArc(vid.win, \ox2, \oy, \eyeval, \eyeval)
rev_off(vid.win)
XDrawArc(vid.win, x1, y, val, val)
XDrawArc(vid.win, x2, y, val, val)
eyeval := val
ox1 := x1; ox2 := x2; oy := y
end
procedure pupils(vid, val)
local x1, x2, y
static pupilval, ox1, ox2, oy
write_val(vid, val)
x1 := 200 - val/2
x2 := 300 - val/2
y := 100 - val/2
rev_on(vid.win)
XFillArc(vid.win, \ox1, \oy, \pupilval, \pupilval)
XFillArc(vid.win, \ox2, \oy, \pupilval, \pupilval)
rev_off(vid.win)
XFillArc(vid.win, x1, y, val, val)
XFillArc(vid.win, x2, y, val, val)
pupilval := val
ox1 := x1; ox2 := x2; oy := y
end
procedure smile(vid, val)
static oldsmile
write_val(vid, val)
rev_on(vid.win)
XDrawArc(vid.win, 185, 190, 130, 40, \oldsmile*360, (48-\oldsmile)*2*360)
rev_off(vid.win)
XDrawArc(vid.win, 185, 190, 130, 40, val*360, (48-val)*2*360)
oldsmile := val
end
procedure nose(vid, val)
static oldnose
write_val(vid, val)
rev_on(vid.win)
DrawLine(vid.win, 250, 140, 275, 180+\oldnose, 250, 190)
rev_off(vid.win)
DrawLine(vid.win, 250, 140, 275, 180+val, 250, 190)
oldnose := val
end
procedure rev_on(win)
WAttrib(win, "reverse=on", "linewidth=3")
end
procedure rev_off(win)
WAttrib(win, "reverse=off", "linewidth=1")
end
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