Function estimate_characters

utils/wei_utils.py:1062–1093

Estimate the number of characters that can fit into a bounding box. :param width_in_inches: The width of the bounding box, in inches. :param height_in_inches: The height of the bounding box, in inches. :param font_size_points: The font size, in points. :param line_spacing_poin

(width_in_inches, height_in_inches, font_size_points, line_spacing_points=None)

    return chars_per_line * lines * CHAR_CONST

def estimate_characters(width_in_inches, height_in_inches, font_size_points, line_spacing_points=None):
    """
    Estimate the number of characters that can fit into a bounding box.

    :param width_in_inches:  The width of the bounding box, in inches.
    :param height_in_inches: The height of the bounding box, in inches.
    :param font_size_points: The font size, in points.
    :param line_spacing_points: (Optional) The line spacing, in points.
                                Defaults to 1.5 × font_size_points if not provided.
    :return: Estimated number of characters that fit in the bounding box.
    """
    if line_spacing_points is None:
        # Default line spacing is 1.5 times the font size
        line_spacing_points = 1.5 * font_size_points

    # 1 inch = 72 points 
    width_in_points = width_in_inches * 72
    height_in_points = height_in_inches * 72

    # Rough approximation of the average width of a character: half of the font size
    avg_char_width = 0.5 * font_size_points

    # Number of characters that can fit per line
    chars_per_line = int(width_in_points // avg_char_width)

    # Number of lines that can fit in the bounding box
    lines_count = int(height_in_points // line_spacing_points)

    # Total number of characters
    total_characters = chars_per_line * lines_count

    return total_characters

def equivalent_length_with_forced_breaks(text, width_in_inches, font_size_points):
    """