【Python/tkinter】線や円などの図形の描画

import tkinter as tk

root = tk.Tk()
root.geometry("300x200")

# Canvasの作成
canvas = tk.Canvas(root, bg = "white")
# Canvasを配置
canvas.pack(fill = tk.BOTH, expand = True)

# 線の描画
canvas.create_line(20, 10, 280, 190, fill = "Blue", width = 5)

root.mainloop()

id = Canvas.create_line(x0, y0, x1, y1, ..., xn, yn, option, ...)

id = Canvas.create_rectangle(x0, y0, x1, y1, option, ...)

id = Canvas.create_text(x, y, option, ...)

id = C.create_oval(x0, y0, x1, y1, option, ...)

id = C.create_bitmap(x, y, *options ...)

id = C.create_image(x, y, *options ...)

id = Canvas.create_polygon(x0, y0, x1, y1, ..., xn, yn, option, ...)

id = Canvas.create_arc(x0, y0, x1, y1, option, ...)

id = Canvas.create_window(x, y, option, ...)

import tkinter as tk
import os
from PIL import ImageTk

root = tk.Tk()
root.geometry("600x750")

# Canvasの作成
canvas = tk.Canvas(root, bg = "white")
# Canvasを配置
canvas.pack(fill = tk.BOTH, expand = True)

#######################################
# 線
canvas.create_line(10,   20, 290,  20)                  # オプションなし
canvas.create_line(310,  20, 590,  20, width = 5)       # 線幅５

canvas.create_line(10,   40, 290,  40, arrow=tk.FIRST)  # 始点の矢印
canvas.create_line(310,  40, 590,  40, arrow=tk.LAST)   # 終点の矢印
canvas.create_line(10,   60, 290,  60, arrow=tk.BOTH)   # 両方の矢印
canvas.create_line(310,  60, 590,  60, arrow=tk.BOTH, arrowshape=(24, 25, 8))   # 矢印のサイズ指定

canvas.create_line(10,   80, 290,  80, dash=(5, 3))         # 破線
canvas.create_line(310,  80, 590,  80, dash=(20, 3, 5, 3))  # 破線(１点鎖線)

canvas.create_line(10,  100, 290, 100, width = 15, capstyle=tk.BUTT)        # 終端形状
canvas.create_line(310, 100, 590, 100, width = 15, capstyle=tk.PROJECTING)  
canvas.create_line(10,  120, 290, 120, width = 15, capstyle=tk.ROUND)

canvas.create_line(10,  140, 290, 140, width = 15, stipple='gray12') # 線のパターン
canvas.create_line(310, 140, 590, 140, width = 15, stipple='gray50')

canvas.create_line(10, 160, 150, 180, 300, 160, 450, 180, 590, 160 ) # 折れ線


#######################################
# 矩形
canvas.create_rectangle(10, 200, 290, 220)              # オプションなし
canvas.create_rectangle(310,200, 590, 220, width = 5)   # 線幅５
canvas.create_rectangle(10, 240, 290, 260, fill="Blue") # 塗りつぶしの色指定
canvas.create_rectangle(310,240, 590, 260, fill="Green", outline="Red",width = 2) # 塗りつぶし、輪郭線の色指定

#######################################
# 文字
canvas.create_text(10, 300, text="あいうえお", anchor=tk.NW, font=("",20))   # 基準位置左上
canvas.create_oval(5, 295, 15, 305, fill="Red")

canvas.create_text(300, 300, text="あいうえお", font=("",20))                # 基準位置指定なし（CENTER）
canvas.create_oval(295, 295, 305, 305, fill="Red")

canvas.create_text(590, 300, text="あいうえお", anchor=tk.SE, font=("",20))  # 基準位置右下
canvas.create_oval(585, 295, 595, 305, fill="Red")

canvas.create_text(10, 340, text="あいうえお\nかきくけこ\nさしすせそ", anchor=tk.NW,font=("",20))          # 改行文字
canvas.create_text(310, 340, text="あいうえおかきくけこさしすせそ", anchor=tk.NW, width=120, font=("",20)) # 折り返し幅指定

#######################################
# 楕円
canvas.create_oval(10,450,290, 500)

#######################################
# ビットマップ
canvas.create_bitmap(310,450,bitmap='hourglass')

#######################################
# イメージ
if os.path.exists("Mandrill.png"):
    image = ImageTk.PhotoImage(file = "Mandrill.png")
    canvas.create_image(10,520,image=image, anchor=tk.NW)

#######################################
# ポリゴン
canvas.create_polygon(10,600,150,650,300,600,450,650,550,650)

#######################################
# 円弧
canvas.create_arc(10,670,60, 720)
canvas.create_arc(80,670,130, 720, extent=120)
canvas.create_arc(150,670,200, 720, extent=120, start=30)
canvas.create_arc(220,670,270, 720, extent=120, style=tk.CHORD)
canvas.create_arc(290,670,320, 720, extent=120, style=tk.ARC)

#######################################
# ウィンドウ(Canvas内にウィジェットの配置)
label = tk.Label(root, text = "ラベル", fg = "Red", font = ("", 14, "bold"))
canvas.create_window(300, 740, window=label, width = 300)

root.mainloop()

import tkinter as tk
import time

root = tk.Tk()
root.geometry("500x200")

# Canvasの作成
canvas = tk.Canvas(root, bg = "white")
# Canvasを配置
canvas.pack(fill = tk.BOTH, expand = True)

colors = ("Red", "Green", "Blue")

for k in range(100):
    start = time.time()
    for i in range(100):
        canvas.create_line(0, i * 2, 500, i * 2, fill = colors[k%3])
    canvas.update()
    # 線１００本分の描画時間    
    print((k+1)*100, time.time() - start)

root.mainloop()

import tkinter as tk
import time

root = tk.Tk()
root.geometry("500x200")

# Canvasの作成
canvas = tk.Canvas(root, bg = "white")
# Canvasを配置
canvas.pack(fill = tk.BOTH, expand = True)

colors = ("Red", "Green", "Blue")

for k in range(100):
    start = time.time()

    # 図形の削除
    canvas.delete("lines")
    # canvas.delete("all") # ←今回はこれでも同じ

    for i in range(100):
        canvas.create_line(0, i * 2, 500, i * 2, fill = colors[k%3], tag="lines")
    canvas.update()
    # 線１００本分の描画時間  
    print((k+1)*100, time.time() - start)

root.mainloop()