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Commit ac5d14c3 authored by Thomas Holder's avatar Thomas Holder
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New option to invert y-axis 

Replaces all hard coded or implicit desktop coordinate usage with
doc2dt multiplication.

New global preference: Interface > Origin at upper left

https://bugs.launchpad.net/inkscape/+bug/170049
parent 6031728e
Show whitespace changes
Inline Side-by-side
  • Tavmjong Bah @Tavmjong ·

    I've had a quick look. One initial comment is that changing the preference setting shouldn't require a restart for it to take effect.

    Old files with grids, guides, and 3D boxes will need to be updated. I've had a go at implementing this. Grids are easy, in principle guides should be too. The 3D box is much more complicated. From trial and error, it seems that the y values of the three projection points need to be changed to (height - y) if they are not set to infinity or to -y if they are. The order of the sides also needs to be reversed and a path update needs to be triggered.

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