Hello,
When I launch this code on docker the font is invert, some part of the image became black and other one blank => see my sample image in attachement and the original pdfAsposeTicketQrCodeFactureSuisse.zip (9.2 MB) …...apt-get update; apt-get install -y ttf-mscorefonts-installer fontconfig...apt-get update; apt-get install -y ttf-mscorefonts-installer fontconfig...