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python font metrics

Bright Bug answered on August 5, 2022 Popularity 2/10 Helpfulness 1/10

answer python font metrics

python font metrics

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import ctypes

def GetTextDimensions(text, points, font):
    class SIZE(ctypes.Structure):
        _fields_ = [("cx", ctypes.c_long), ("cy", ctypes.c_long)]

    hdc = ctypes.windll.user32.GetDC(0)
    hfont = ctypes.windll.gdi32.CreateFontA(-points, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, font)
    hfont_old = ctypes.windll.gdi32.SelectObject(hdc, hfont)
    size = SIZE(0, 0)
    ctypes.windll.gdi32.GetTextExtentPoint32A(hdc, text, len(text), ctypes.byref(size))
    ctypes.windll.gdi32.SelectObject(hdc, hfont_old)
    ctypes.windll.gdi32.DeleteObject(hfont)
    return (size.cx, size.cy)

for text, font in [
    ('....', 'Arial'), 
    ('WWWW', 'Arial'), 
    ('WWWW', 'Arial Narrow'),
    ('....', 'Courier New'), 
    ('WWWW', 'Courier New'), 
    ("Test", "Unknown font"),
    ('Test', 'Calibri')]:

    print '{:8} {:20} {}'.format(text, font, GetTextDimensions(text, 12, font))

Popularity 2/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: metrics python

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