Klemek
136 lines
3.3 KiB
Python
136 lines
3.3 KiB
Python
import tkinter as tk
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import math
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import binascii
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HEIGHT = 750 #px
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WIDTH = 750 #px
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RSTEP = 20 #px
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STARTTXT = "Never gonna give you up; Never gonna let you down;"
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arcs = 6
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def vline(c,a,r0,r1,med):
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if not(med):
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ar = math.radians(a)
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x0 = WIDTH / 2 + r0 * math.cos(ar)
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x1 = WIDTH / 2 + r1 * math.cos(ar)
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y0 = HEIGHT / 2 + r0 * math.sin(ar)
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y1 = HEIGHT / 2 + r1 * math.sin(ar)
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c.create_line(x0, y0, x1, y1)
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else:
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ar0 = math.radians(a-ASTEP)
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ar1 = math.radians(a+ASTEP)
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x0 = WIDTH / 2 + r0 * math.cos(ar0)
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x1 = WIDTH / 2 + r1 * math.cos(ar0)
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y0 = HEIGHT / 2 + r0 * math.sin(ar0)
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y1 = HEIGHT / 2 + r1 * math.sin(ar0)
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x2 = WIDTH / 2 + r0 * math.cos(ar1)
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x3 = WIDTH / 2 + r1 * math.cos(ar1)
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y2 = HEIGHT / 2 + r0 * math.sin(ar1)
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y3 = HEIGHT / 2 + r1 * math.sin(ar1)
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c.create_line((x0 + x2)/2, (y0+y2)/2, (x1+x3)/2, (y1+y3)/2)
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def hline(c,a0,a1,r,med):
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if not(med):
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ar0 = math.radians(a0)
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ar1 = math.radians(a1+ASTEP)
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x0 = WIDTH / 2 + r * math.cos(ar0)
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x1 = WIDTH / 2 + r * math.cos(ar1)
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y0 = HEIGHT / 2 + r * math.sin(ar0)
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y1 = HEIGHT / 2 + r * math.sin(ar1)
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c.create_line(x0, y0, (x0+x1)/2, (y0+y1)/2)
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else:
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ar0 = math.radians(a0-ASTEP)
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ar1 = math.radians(a1)
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x0 = WIDTH / 2 + r * math.cos(ar0)
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x1 = WIDTH / 2 + r * math.cos(ar1)
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y0 = HEIGHT / 2 + r * math.sin(ar0)
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y1 = HEIGHT / 2 + r * math.sin(ar1)
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c.create_line((x0+x1)/2,(y0+y1)/2, x1, y1)
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def text2bin(txt):
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b = ' '.join(format(ord(x), 'b') for x in txt)
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return b.replace(' ','')
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def addArc(*args):
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global arcs
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arcs += 1
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update()
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def lessArc(*args):
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global arcs
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arcs -= 1
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if arcs < 3:
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arcs = 3
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else:
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update()
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def update(*args):
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global c, ASTEP, ASTART
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ASTEP = 180/arcs #angle in degrees
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ASTART = 0 #int * ASTEP
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c.create_rectangle(0, 0, WIDTH, HEIGHT, fill="white")
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val = text2bin(txt.get())
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a = ASTART
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d = 40
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outer = False
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while a*ASTEP < 360:
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hline(c,a*ASTEP,(a+1)*ASTEP,d, a%2 == 0)
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hline(c,a*ASTEP,(a+1)*ASTEP,d-1, a%2 == 0)
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hline(c,a*ASTEP,(a+1)*ASTEP,d-2, a%2 == 0)
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a += 1
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a = ASTART
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for ch in val:
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if (ch == '1') ^ a%2 == 0:
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if outer:
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hline(c,a*ASTEP,(a+1)*ASTEP,d+RSTEP, a%2 == 0)
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else:
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vline(c,a*ASTEP,d,d+RSTEP,a%2 == 0)
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a += 1
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if a*ASTEP > 360:
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a -= int(360/ASTEP)
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outer = not(outer)
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if not(outer):
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d += RSTEP
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a = ASTART
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if outer:
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d += RSTEP
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while a*ASTEP < 360:
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hline(c,a*ASTEP,(a+1)*ASTEP,d+RSTEP, a%2 == 0)
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hline(c,a*ASTEP,(a+1)*ASTEP,d+RSTEP+1, a%2 == 0)
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hline(c,a*ASTEP,(a+1)*ASTEP,d+RSTEP+2, a%2 == 0)
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a += 1
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top = tk.Tk()
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txt = tk.StringVar()
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txt.set(STARTTXT)
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txt.trace('w',update)
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e = tk.Entry(top,width=100,textvariable=txt)
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e.grid(row=0,column=0)
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bl = tk.Button(top, text="-", command=lessArc)
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bl.grid(row=0,column=1)
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bp = tk.Button(top, text="+", command=addArc)
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bp.grid(row=0,column=2)
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c = tk.Canvas(top, height=HEIGHT, width=WIDTH)
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c.grid(row=1,column=0,columnspan=3)
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update()
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top.mainloop()
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