import io
from reportlab.lib.pagesizes import A4
a4_width, a4_height = A4
+points_per_cm = 10 * 72 / 25.4
+cut_depth = 1.95 * points_per_cm
+cut_width = 1.05 * points_per_cm
+middle_point_depth = 0.4 * points_per_cm
parser = argparse.ArgumentParser(description="build print-ready book PDF")
parser.add_argument("-i", "--input_file", action="append", required=True, help="input PDF file")
parser.add_argument("-o", "--output_file", required=True, help="output PDF file")
parser.add_argument("-p", "--page_range", action="append", help="page range, e.g., '3-end'")
-parser.add_argument("-c", "--crop_range", action="append", help="crops left, bottom, right, top – e.g., '10,10,10,10'; prefix with ':'-delimited page range to limit effect")
-parser.add_argument("-n", "--nup4", action='store_true', help="puts 4 input pages onto 1 output page")
-parser.add_argument("-a", "--analyze", action="store_true", help="print lines identifying spine, page borders")
+parser.add_argument("-c", "--crop_range", action="append", help="cm crops left, bottom, right, top – e.g., '10,10,10,10'; prefix with ':'-delimited page range to limit effect")
parser.add_argument("-t", "--symmetry", action="store_true", help="alternate horizontal crops between odd and even pages")
parser.add_argument("-r", "--rotate", dest="rotate", type=int, action="append", help="rotate page of number by 90° (usable multiple times on same page!)")
-parser.add_argument("-m", "--margin", type=float, default=4.3, help="print margin in mm (default 4.3)")
-parser.add_argument("-s", "--spine", type=float, default=10, help="on --nup4, mm width of margin hidden in spine (default 10)")
+parser.add_argument("-n", "--nup4", action='store_true', help="puts 4 input pages onto 1 output page")
+parser.add_argument("-a", "--analyze", action="store_true", help="in --nup4, print lines identifying spine, page borders")
+parser.add_argument("-m", "--margin", type=float, default=0.43, help="print margin for --nup4 in cm (default 0.43)")
+parser.add_argument("-s", "--spine", type=float, default=1, help="on --nup4, cm width of margin hidden in spine (default 1)")
args = parser.parse_args()
page_range = None
crops = initial_split[0]
start_page, end_page = parse_page_range(page_range, pages_to_add)
- crop_left, crop_bottom, crop_right, crop_top = [float(x) for x in crops.split(',')]
+ crop_left, crop_bottom, crop_right, crop_top = [float(x) * points_per_cm for x in crops.split(',')]
cropped_width = a4_width - crop_left - crop_right
cropped_height = a4_height - crop_bottom - crop_top
zoom = 1
odd_page = not odd_page
else:
- points_per_mm = 2.83465
n_pages_per_axis = 2
- spine_limit = args.spine * points_per_mm
- printable_margin = args.margin * points_per_mm
+ spine_limit = args.spine * points_per_cm
+ printable_margin = args.margin * points_per_cm
printable_scale = (a4_width - 2*printable_margin)/a4_width
half_width = a4_width / n_pages_per_axis
half_height = a4_height / n_pages_per_axis
c.line(x_right_spine_limit, a4_height, x_right_spine_limit, 0)
if front_page:
c.setLineWidth(0.2)
- cut_depth = 19.5 * points_per_mm
- cut_width = 10.5 * points_per_mm
- middle_point_depth = 4 * points_per_mm
start_up_left_left_x = x_left_spine_limit - 0.5 * cut_width
start_up_left_right_x = x_left_spine_limit + 0.5 * cut_width