[Gambas-user] How to reduce the size of PDFs generated with PDFSurface/Cairo

[Claus Dietrich]

Hi

I am using the Gambas PDFSurface and Cairo to generate and assemble 
multi-page PDFs.

When I insert a jpg-image from my scanner (A4 size, 300dpi, 90% quality) 
with a size of 730 kB  the resulting single page PDF is blown up to a 
size of 2.8 MB. A stripped down demo project is attached:

https://send.vis.ee/download/62247b9c0d0529a1/#JidKAJn64IdF4G1c-4B07A

Does anyone know a way to obtain a PDF file with a similar size (resp. 
compression) like the source image by using native Gambas means 
(=without installing tools like ImageMagick)?

Best regards

Claus
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