[Koha-bugs] [Bug 23654] Patron Cards - Bar code and image do not show up

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23654

--- Comment #7 from Chris Nighswonger <cnighswonger at foundations.edu> ---
(In reply to David Cook from comment #6)
> Actually, after I changed my Images data that's caused the X/Y axis for my
> Text fields to completely change. 
> 
> I'd say there's a number of factors regarding units that are wrong here...

Just FTR:

1. A lot of code has run off of the keyboard since I wrote this stuff over nine
years ago, so there may be changes I'm unaware of and resulting bugs.

2. There may indeed be something buggy about the unit conversion code that I
originally wrote. The library I did the work for uses Imperial units and that
was my focus. I would definitely check there first. Everything is converted to
post script points.

3. The fundamental coordinate system is taken from the PDF ISO 32000-1 standard
published by Adobe and has its origin at the lower left corner of the page. In
other terms, the page is the first quadrant of the Cartesian Coordinate system.

I'd look at the unit conversion code first to see if there's something going on
there. Beyond that, I'm not sure what to suggest as it still works in the
library here.

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