smart-grids/unit_conversion.py at main · CarlJKurtz/smart-grids · GitHub

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def convert(value, start_unit, des_unit, dpi) -> float:
    if start_unit == 'mm' and des_unit == 'pt':
        value = value / 0.352777778

    elif start_unit == 'px' and des_unit == 'pt':
        value = value

    elif start_unit == 'pt' and des_unit == 'mm':
        value = value * 0.352777778

    elif start_unit == 'px' and des_unit == 'mm':
        value = value * 25.4 / dpi

    elif start_unit == 'mm' and des_unit == 'px':
        value = dpi * value / 25.4

    elif start_unit == 'pt' and des_unit == 'px':
        value = value

    elif start_unit == 'in' and des_unit == 'pt':
        value = value * 25.4 / 0.352777778

    elif start_unit == 'in' and des_unit == 'mm':
        value = value * 25.4

    elif start_unit == 'in' and des_unit == 'px':
        value = dpi * value

    elif start_unit == 'pt' and des_unit == 'in':
        value = value * 0.352777778 / 25.4

    elif start_unit == 'mm' and des_unit == 'in':
        value = value / 25.4

    elif start_unit == 'px' and des_unit == 'in':
        value = dpi / value

    elif start_unit == 'cm' and des_unit == 'mm':
        value = value * 10

    elif start_unit == 'cm' and des_unit == 'in':
        value = value / 2.54

    elif start_unit == 'cm' and des_unit == 'pt':
        value = value / 0.0352777778

    elif start_unit == 'cm' and des_unit == 'px':
        value = dpi * value / 2.54

    elif start_unit == 'px' and des_unit == 'cm':
        value = value * 2.54 / dpi

    elif start_unit == 'mm' and des_unit == 'cm':
        value = value / 10

    elif start_unit == 'in' and des_unit == 'cm':
        value = value * 2.54

    elif start_unit == 'pt' and des_unit == 'cm':
        value = value * 0.0352777778

    return value