app.py 文件源码

def draw_horizontal_lines(draw, boxes, doc_bounding_box, line_width):
    """Draw black horizontal lines across the page _except_ for that word"""
    line_weight_factor = random.triangular(0.005, 1.2)
    color = get_color()
    start_x = doc_bounding_box[0]
    current_y = doc_bounding_box[1]
    end_x = doc_bounding_box[2]
    end_y = doc_bounding_box[3] - line_width / 2

    while current_y < doc_bounding_box[3]:
        by0 = current_y
        by1 = current_y + line_width

        select_boxes = []
        for box in boxes:
            wy0 = box.position[0][1]
            wy1 = box.position[1][1]
            if by0 <= wy0 and wy1 <= by1 or \
               wy0 <= by1 and by1 <= wy1 or \
               wy0 <= by0 and by0 <= wy1:
                select_boxes.append(box)

        if select_boxes:
            x0 = start_x
            x1 = end_x
            for box in select_boxes:
                x1 = box.position[0][0] - BOX_PADDING
                draw_line(draw, [x0, current_y, x1, current_y],
                          line_width=line_width,
                          line_weight_factor=line_weight_factor, color=color,
                          dir="h")
                x0 = box.position[1][0] + BOX_PADDING
            draw_line(draw, [x0 + BOX_PADDING, current_y, end_x, current_y],
                      line_width=line_width, line_weight_factor=line_weight_factor, dir="h", color=color)
        else:
            draw_line(draw, [start_x, current_y, end_x, current_y],
                      line_width=line_width, color=color,
                      line_weight_factor=line_weight_factor,
                      dir="h")
        current_y = by1