feelidae/qr-code-generator
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WIP: final positioning for the tickets

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Generate with:

python generate.py -n 24 --size 93 -m 20 -o eintrittskarten.pdf https://kara.d3q.de -g 12
This commit is contained in:
Klemens Schölhorn 2025-02-01 01:43:41 +01:00
parent 2e001e5858
commit 64aa6b82ff
2 changed files with 56 additions and 10 deletions
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24
generate.py
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@ -29,6 +29,7 @@ if __name__ == "__main__":
parser.add_argument("-o", "--output", type=str, help="Output file, defaults to 'qrcodes.pdf'.", default="qrcodes.pdf") parser.add_argument("-o", "--output", type=str, help="Output file, defaults to 'qrcodes.pdf'.", default="qrcodes.pdf")
parser.add_argument("-s", "--size", type=int, help="Ticket height, defaults to 150.", default=150) parser.add_argument("-s", "--size", type=int, help="Ticket height, defaults to 150.", default=150)
parser.add_argument("-m", "--margin", type=int, help="Margin (depends on printer), defaults to 0.", default=0) parser.add_argument("-m", "--margin", type=int, help="Margin (depends on printer), defaults to 0.", default=0)
parser.add_argument("-g", "--gap", type=int, help="Gap between tickets, defaults to 0.", default=0)
args = parser.parse_args() args = parser.parse_args()
@ -53,16 +54,16 @@ if __name__ == "__main__":
used_usernames = set() used_usernames = set()
ticket_height = args.size ticket_height = args.size
qr_code_size = ticket_height/2 qr_code_size = ticket_height/1.5
logo = svg2rlg("img/karaoke-outline.svg") logo = svg2rlg("img/karaoke-outline.svg")
scaling_factor = ticket_height/logo.height scaling_factor = ticket_height/logo.height/2
logo.scale(scaling_factor, scaling_factor) logo.scale(scaling_factor, scaling_factor)
logo_width = logo.width*scaling_factor logo_width = logo.width*scaling_factor
logo_height = logo.height*scaling_factor logo_height = logo.height*scaling_factor
ticket_width = logo_width + qr_code_size ticket_width = logo_width + qr_code_size
codes_per_row = floor((page_width-args.margin*2)/ticket_width) codes_per_row = floor((page_width-args.margin*2)/(ticket_width+args.gap))
codes_per_col = floor((page_height-args.margin*2)/ticket_height) codes_per_col = floor((page_height-args.margin*2)/(ticket_height+args.gap/2))
if codes_per_col == 0 or codes_per_row == 0: if codes_per_col == 0 or codes_per_row == 0:
raise Exception(f"There is not enough space on A4 page to fit a QR code of size {ticket_width}x{ticket_height}!") raise Exception(f"There is not enough space on A4 page to fit a QR code of size {ticket_width}x{ticket_height}!")
codes_per_page = codes_per_row*codes_per_col codes_per_page = codes_per_row*codes_per_col
@ -79,15 +80,20 @@ if __name__ == "__main__":
code_width = bounds[2] - bounds[0] code_width = bounds[2] - bounds[0]
code_height = bounds[3] - bounds[1] code_height = bounds[3] - bounds[1]
current_x = args.margin+(ticket_width+args.gap)*x
current_y = args.margin+(ticket_height+args.gap/1.2)*y
drawing = Drawing(ticket_height, ticket_height, transform=[qr_code_size/code_width, 0, 0, qr_code_size/code_height, 0, 0]) drawing = Drawing(ticket_height, ticket_height, transform=[qr_code_size/code_width, 0, 0, qr_code_size/code_height, 0, 0])
drawing.add(qr_code) drawing.add(qr_code)
renderPDF.draw(logo, pdf, args.margin+ticket_width*(x%codes_per_row), args.margin+ticket_height*(y%codes_per_col)) renderPDF.draw(logo, pdf, current_x, current_y+35)
pdf.drawString(args.margin+ticket_width*(x%codes_per_row), args.margin+ticket_height*(y%codes_per_col), url)
pdf.setFont("Helvetica", 12)
pdf.drawRightString(current_x+logo_width, current_y+16, "Hier anmelden →")
pdf.drawString(args.margin+ticket_width*(x%codes_per_row), args.margin+ticket_height*(y%codes_per_col)+logo_height, "Hier Code scannen") pdf.setFont("Helvetica", 8)
pdf.drawString(args.margin+ticket_width*(x%codes_per_row), args.margin+ticket_height*(y%codes_per_col)+logo_height-10, "und Song anmelden!") pdf.drawRightString(current_x+logo_width+qr_code_size-7, current_y, url)
renderPDF.draw(drawing, pdf, args.margin+ticket_width*(x%codes_per_row)+logo_width, args.margin+ticket_height*(y%codes_per_col)) renderPDF.draw(drawing, pdf, current_x+logo_width, current_y+5)
generated_codes += 1 generated_codes += 1
if generated_codes >= args.number: if generated_codes >= args.number:
pdf.save() pdf.save()

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img/karaoke-outline.svg
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