【Tkinter】フォントの変更方法2選！tkinter.fontモジュールの解説も！

import tkinter as tk

# オブジェクト生成時
label = tk.Label(
    font=◯◯, # フォントを指定
)

# configメソッド利用時
label.config(
    font=◯◯, # フォントを指定
)

font=(family, size, weight, slant, underline, overstrike)

import tkinter as tk

label = tk.Label(
    text="Hello, World.",
    font=("Times", 100, "bold", "italic", "underline", "overstrike")
)
label.pack()

label.mainloop()

# 文字列の場合
label.config(font="Times 20 bold italic underline overstrike")

# リストの場合
label.config(font=["Times", 20, "bold", "italic", "underline", "overstrike"])

label.config(font=("", ...))

label.config(font=("Hello, World."))

# int型
label.config(font=("", 12))

# str型の整数
label.config(font=("", "12"))

label.config(font=("", 12))  # ポイント単位
label.config(font=("", -12))  # ピクセル単位
label.config(font=("", 0))  # デフォルト

# サイズ省略
label.config(font=("Arial"))  

label.config(font=("Arial", "overstrike"))
# _tkinter.TclError: expected integer but got "overstrike"

label.config(font=("", 0, "bold", "italic", "underline", "overstrike"))

label.config(font=("", 0, "italic", "bold", "overstrike", "underline"))  # OK
label.config(font=("", 0, "underline", "bold", "overstrike", "italic"))  # OK

label.config(font=("", 0, "bold italic underline overstrike"))

font=tkinter.font.Font(
    family=◯◯,
    size=◯◯,
    weight=◯◯,
    slant=◯◯,
    underline=◯◯,
    overstrike=◯◯,
)

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()  # 画面
# label = tk.Label()  # 画面の代わりにウィジェット

font = tkFont.Font()

import tkinter.font as tkFont

font = tkFont.Font()
# RuntimeError: Too early to use font: no default root window

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

font = tkFont.Font(
    family="Times",
    size=100,
    weight="bold",  # weight=tkFont.BOLDでもOK
    slant="italic",  # slant=tkFont.ROMANでもOK
    underline=1,
    overstrike=1,
)

label = tk.Label(
    root,
    text="Hello, World.",
    font=font,
)
label.pack()

root.mainloop()

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()
root.geometry("500x500")

# フォントオブジェクトの作成
my_font = tkFont.Font(family="Helvetica", size=1, weight="bold")

# フォントをウィジェットに適用
for i in range(10):
    label = tk.Label(root, text="Hello, World.", font=my_font)
    label.pack()

# 上下ボタンを押すとフォントサイズが変更される
spinbox = tk.Spinbox(root, from_=1, to=20, state="readonly")
spinbox.config(command=lambda: my_font.config(size=spinbox.get()))
spinbox.pack()

root.mainloop()

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()
root.geometry("500x500")

# フォントオブジェクトでフォント指定
my_font = tkFont.Font(family="Helvetica", size=1, weight="bold")
label1 = tk.Label(root, text="Hello, World.", font=my_font)

# タプルでフォント指定
label2 = tk.Label(root, text="Hello, World.", font=("Helvetica", 1, "bold"))

# フォント設定を確認
print(my_font.config())
# {'family': 'Helvetica', 'size': 1, 'weight': 'bold', 'slant': 'roman', 'underline': 0, 'overstrike': 0}

print(label2.cget("font"))
# Helvetica 1 bold

print(my_font.config())
# {'family': 'Helvetica', 'size': 1, 'weight': 'bold', 'slant': 'roman', 'underline': 0, 'overstrike': 0}

print(my_font.cget("family"))
# Helvetica

print(my_font.cget("size"))
# 1

print(label2.cget("font"))
# Helvetica 1 bold

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

font = tkFont.Font(font=("Times", 12, "bold"))

print(font.cget("family"))
# Times

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

# 初期設定
font = tkFont.Font(font=("Times", 12, "bold"))
print(font.cget("family"), font.cget("size"), font.cget("weight"))
# Times 12 bold

# configメソッド
font.config(family="Courier", size=18, weight="normal")
print(font.cget("family"), font.cget("size"), font.cget("weight"))
# Courier 18 normal

print(font.config())
# {'family': 'Courier', 'size': 18, 'weight': 'normal', 'slant': 'roman', 'underline': 0, 'overstrike': 0}

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

original_font = tkFont.Font(font=('Times', 100, 'italic'))
replica_font = original_font.copy()

# original_fontを適用
label1 = tk.Label(root, text="Hello, World.", font=original_font)
label1.pack()

# replica_fontを適用
label2 = tk.Label(root, text="Hello, World.", font=replica_font)
label2.pack()

root.mainloop()

...

original_font.config(overstrike=1)

root.mainloop()

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

text_to_measure = "Hello, World."

small_font = tkFont.Font(size=12)
print(small_font.measure(text_to_measure))
# 74

large_font = tkFont.Font(size=24)
print(large_font.measure(text_to_measure))
# 132

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

font = tkFont.Font()

print(font.metrics())
# {'ascent': 13, 'descent': 3, 'linespace': 16, 'fixed': 0}

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

print(tkFont.families())
# ('Academy Engraved LET', 'Adelle Sans Devanagari', 'AkayaKanadaka', 'AkayaTelivigala', 'Al Bayan', 'Al Nile', 'Al Tarikh', 'American Typewriter', 'Andale Mono', 'Annai MN', 'Apple Braille', 'Apple Chancery', 'Apple Color Emoji', 'Apple LiGothic', 'Apple LiSung', 'Apple SD Gothic Neo', 'Apple Symbols', 'AppleGothic', 'AppleMyungjo', 'Arial', 'Arial Black', 'Arial Hebrew', 'Arial Hebrew Scholar', 'Arial Narrow', 'Arial Rounded MT Bold', 'Arial Unicode MS', 'Arima Koshi', 'Arima Madurai', 'Avenir', 'Avenir Next', 'Avenir Next Condensed', 'Ayuthaya', 'Baghdad', 'Bai Jamjuree', 'Baloo 2', 'Baloo Bhai 2', 'Baloo Bhaijaan', 'Baloo Bhaina 2', 'Baloo Chettan 2', 'Baloo Da 2', 'Baloo Paaji 2', 'Baloo Tamma 2', 'Baloo Tammudu 2', 'Baloo Thambi 2', 'Bangla MN', 'Bangla Sangam MN', 'Baoli SC', 'Baoli TC', 'Baskerville', 'Beirut', 'BiauKaiHK', 'BiauKaiTC', 'Big Caslon', 'BIZ UDGothic', 'BIZ UDMincho', 'BM Dohyeon', 'BM Hanna 11yrs Old', 'BM Hanna Air', 'BM Hanna Pro', 'BM Jua', 'BM Kirang Haerang', 'BM Yeonsung', 'Bodoni 72', 'Bodoni 72 Oldstyle', 'Bodoni 72 Smallcaps', 'Bodoni Ornaments', 'Bradley Hand', 'Brush Script MT', 'Cambay Devanagari', 'Chakra Petch', 'Chalkboard', 'Chalkboard SE', 'Chalkduster', 'Charm', 'Charmonman', 'Charter', 'Cochin', 'Comic Sans MS', 'Copperplate', 'Corsiva Hebrew', 'Courier New', 'Damascus', 'DecoType Naskh', 'Devanagari MT', 'Devanagari Sangam MN', 'Didot', 'DIN Alternate', 'DIN Condensed', 'Diwan Kufi', 'Diwan Thuluth', 'Euphemia UCAS', 'Fahkwang', 'Farah', 'Farisi', 'Futura', 'Galvji', 'GB18030 Bitmap', 'Geeza Pro', 'Geneva', 'Georgia', 'Gill Sans', 'Gotu', 'Grantha Sangam MN', 'Gujarati MT', 'Gujarati Sangam MN', 'GungSeo', 'Gurmukhi MN', 'Gurmukhi MT', 'Gurmukhi Sangam MN', 'Hannotate SC', 'Hannotate TC', 'HanziPen SC', 'HanziPen TC', 'HeadLineA', 'Hei', 'Helvetica', 'Helvetica Neue', 'Herculanum', 'Hoefler Text', 'Hubballi', 'Impact', 'InaiMathi', 'ITF Devanagari', 'ITF Devanagari Marathi', 'Jaini', 'Jaini Purva', 'K2D', 'Kai', 'Kailasa', 'Kaiti SC', 'Kaiti TC', 'Kannada MN', 'Kannada Sangam MN', 'Katari', 'Kavivanar', 'Kefa', 'Khmer MN', 'Khmer Sangam MN', 'Kodchasan', 'Kohinoor Bangla', 'Kohinoor Devanagari', 'Kohinoor Gujarati', 'Kohinoor Telugu', 'KoHo', 'Kokonor', 'Krub', 'Krungthep', 'KufiStandardGK', 'Lahore Gurmukhi', 'Lantinghei SC', 'Lantinghei TC', 'Lao MN', 'Lao Sangam MN', 'Lava Devanagari', 'Lava Kannada', 'Lava Telugu', 'Libian SC', 'Libian TC', 'LiHei Pro', 'LingWai SC', 'LingWai TC', 'LiSong Pro', 'Lucida Grande', 'Luminari', 'Maku', 'Malayalam MN', 'Malayalam Sangam MN', 'Mali', 'Marker Felt', 'Menlo', 'Microsoft Sans Serif', 'Mishafi', 'Mishafi Gold', 'Modak', 'Monaco', 'Mshtakan', 'Mukta', 'Mukta Mahee', 'Mukta Malar', 'Mukta Vaani', 'Muna', 'Myanmar MN', 'Myanmar Sangam MN', 'Nadeem', 'Nanum Brush Script', 'Nanum Gothic', 'Nanum Myeongjo', 'Nanum Pen Script', 'New Peninim MT', 'Niramit', 'Noteworthy', 'Noto Nastaliq Urdu', 'Noto Sans Batak', 'Noto Sans Kannada', 'Noto Sans Myanmar', 'Noto Sans NKo', 'Noto Sans Oriya', 'Noto Sans Tagalog', 'Noto Serif Kannada', 'Noto Serif Myanmar', 'October Compressed Devanagari', 'October Compressed Tamil', 'October Condensed Devanagari', 'October Condensed Tamil', 'October Devanagari', 'October Tamil', 'Optima', 'Oriya MN', 'Oriya Sangam MN', 'Osaka', 'Padyakke Expanded One', 'Palatino', 'Papyrus', 'Party LET', 'PCMyungjo', 'Phosphate', 'PilGi', 'PingFang HK', 'PingFang SC', 'PingFang TC', 'Plantagenet Cherokee', 'PSL Ornanong Pro', 'PT Mono', 'PT Sans', 'PT Sans Caption', 'PT Sans Narrow', 'PT Serif', 'PT Serif Caption', 'Raanana', 'Rockwell', 'Sama Devanagari', 'Sama Gujarati', 'Sama Gurmukhi', 'Sama Kannada', 'Sama Malayalam', 'Sama Tamil', 'Sana', 'Sarabun', 'Sathu', 'Savoye LET', 'Shobhika', 'Shree Devanagari 714', 'SignPainter', 'Silom', 'SimSong', 'Sinhala MN', 'Sinhala Sangam MN', 'Skia', 'Snell Roundhand', 'Songti SC', 'Songti TC', 'Srisakdi', 'STFangsong', 'STHeiti', 'STIX Two Math', 'STIX Two Text', 'STKaiti', 'STSong', 'Sukhumvit Set', 'Symbol', 'Tahoma', 'Tamil MN', 'Tamil Sangam MN', 'Telugu MN', 'Telugu Sangam MN', 'Thonburi', 'Times New Roman', 'Tiro Bangla', 'Tiro Devanagari Hindi', 'Tiro Devanagari Marathi', 'Tiro Devanagari Sanskrit', 'Tiro Gurmukhi', 'Tiro Kannada', 'Tiro Tamil', 'Tiro Telugu', 'Trattatello', 'Trebuchet MS', 'Verdana', 'Waseem', 'Wawati SC', 'Wawati TC', 'Webdings', 'Wingdings', 'Wingdings 2', 'Wingdings 3', 'Xingkai SC', 'Xingkai TC', 'Yuanti SC', 'Yuanti TC', 'Yuppy SC', 'Yuppy TC', 'Zapf Dingbats', 'Zapfino', 'Klee', 'Hiragino Sans GB', 'Hiragino Sans CNS', 'Hiragino Sans', 'Hiragino Maru Gothic ProN', 'Hiragino Mincho ProN', 'Heiti SC', 'Heiti TC', 'Tsukushi A Round Gothic', 'Tsukushi B Round Gothic', 'Toppan Bunkyu Gothic', 'Toppan Bunkyu Midashi Gothic', 'Toppan Bunkyu Midashi Mincho', 'Toppan Bunkyu Mincho', 'YuGothic', 'YuKyokasho', 'YuKyokasho Yoko', 'YuMincho', 'YuMincho +36p Kana')

import tkinter as tk
import tkinter.font as tkFont

def show_font_popup(font_family):
    popup = tk.Toplevel()
    popup.title(font_family)
    label = tk.Label(popup, text=font_family, font=(font_family, 100))
    label.pack(padx=10, pady=10)

def on_mouse_wheel(event):
    if event.delta > 0:
        canvas.yview_scroll(-1, 'units')
    elif event.delta < 0:
        canvas.yview_scroll(1, 'units')

root = tk.Tk()
root.title("Available Fonts")

# フォントファミリーを取得
font_families = tkFont.families()

# キャンバスウィジェットを作成してスクロール可能にする
canvas = tk.Canvas(root, borderwidth=0)
frame = tk.Frame(canvas)
scrollbar = tk.Scrollbar(root, orient="vertical", command=canvas.yview)
canvas.configure(yscrollcommand=scrollbar.set)

scrollbar.pack(side="right", fill="y")
canvas.pack(side="left", fill="both", expand=True)
canvas.create_window((4, 4), window=frame, anchor="nw")

frame.bind("<Map>", lambda e: canvas.configure(scrollregion=canvas.bbox("all")))
canvas.bind_all("<MouseWheel>", on_mouse_wheel)

# ラベルの幅と高さを設定
button_width = 20  # 文字数での幅
button_height = 1  # 行数での高さ

# ウィンドウのサイズ
window_width = root.winfo_screenwidth()
window_height = root.winfo_screenheight()

# 1行あたりのラベル数を計算
num_columns = window_width // (button_width * 10)
num_rows = (len(font_families) + num_columns - 1) // num_columns

# グリッド配置
for index, font_family in enumerate(font_families):
    row = index // num_columns
    column = index % num_columns

    button = tk.Button(frame, text=font_family, font=(font_family, 8), width=button_width, height=button_height, anchor="w")
    button.grid(row=row, column=column, padx=5, pady=2, sticky="nsew")
    button.bind("<Button-1>", lambda e, font_family=font_family: show_font_popup(font_family))

root.mainloop()

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

font = tk.Font(name="named font")

print(tkFont.names())
# ('systemPushButtonFont', 'systemMenuItemFont', 'systemApplicationFont', 'systemSystemFont', 'systemMenuItemMarkFont', 'TkMenuFont', 'TkDefaultFont', 'named font', 'systemSmallEmphasizedSystemFont', 'systemDetailEmphasizedSystemFont', 'systemMiniSystemFont', 'TkHeadingFont', 'TkTooltipFont', 'systemUtilityWindowTitleFont', 'systemViewsFont', 'systemSmallSystemFont', 'systemMenuTitleFont', 'systemEmphasizedSystemFont', 'TkTextFont', 'systemDetailSystemFont', 'TkCaptionFont', 'systemLabelFont', 'systemAlertHeaderFont', 'systemMenuItemCmdKeyFont', 'TkSmallCaptionFont', 'TkFixedFont', 'systemWindowTitleFont', 'systemToolbarFont', 'TkIconFont')

import tkinter as tk
import tkinter.font as tkFont

root = tk.Tk()

# デフォルトのフォントを取得・変更
default_font = tkFont.nametofont("TkDefaultFont")
default_font.configure(size=50, weight='bold', overstrike=1)

# ラベル
tk.Label(root, text="Hello, World.").pack()

# ボタン
tk.Button(root, text="Hello, World.").pack()

# チェックボタン
tk.Checkbutton(root, text="Hello, World.").pack()

# ラジオボタン
tk.Radiobutton(root, text="Hello, World.").pack()

root.mainloop()

font1 = tkFont.Font(name="named font")
font2 = tkFont.nametofont("named font")