50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
from tkinter import *
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root = Tk()
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root.geometry("300x200")
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def aktualizuj_kolor(wartosc_z_suwaka):
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v = float(wartosc_z_suwaka)
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if v > 0.4:
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b = "00"
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elif v < 0.38:
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b = "FF"
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else:
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procent = (v - 0.38) / 0.02
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odwrocona_wartosc = int((1 - procent) * 255)
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odwrocona_wartosc = max(0, min(255, odwrocona_wartosc))
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b = f"{odwrocona_wartosc:02X}"
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if v < 0.40 or v > 0.45:
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r = "00"
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else:
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if v <= 0.425:
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procent = (v - 0.40) / 0.025
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else:
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procent = (0.45 - v) / 0.025
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wartosc_r = int(procent * 255)
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wartosc_r = max(0, min(255, wartosc_r))
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r = f"{wartosc_r:02X}"
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g = "00"
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if abs(v - 0.4) < 0.005:
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b = "FF"
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r = "FF"
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g = "FF"
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kolor = f"#{r}{g}{b}"
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canvas.itemconfig(c, fill=kolor)
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canvas = Canvas(root, bg="white", highlightthickness=0, width=150, height=150)
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canvas.pack(side=LEFT, padx=20)
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c = canvas.create_rectangle(20, 20, 120, 120, fill="#FF00FF")
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val = Scale(root, from_=0.0, to=1.0, resolution=0.01, command=aktualizuj_kolor)
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val.pack(side=RIGHT, padx=20)
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root.mainloop()
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