The user can now pass the available options
for each graphic type to export.
For example:
$ instdir/program/soffice --convert-to 'jpg:calc_jpg_Export:\
{"PixelWidth":{"type":"long","value":"1280"},\
"PixelHeight":{"type":"long","value":"1024"},\
"Quality":{"type":"long","value":"8"}}' --outdir /tmp Calc.ods
Change-Id: I77211805f4fd726da7d5fb0818ac422c3e9b6c96
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/186287
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>