[reportlab-users] PDF created in ReportLab looks awesome in Foxit, awful in Adobe

Robin Becker robin at reportlab.com
Fri Jul 13 08:23:14 EDT 2012

On 13/07/2012 12:48, David Hughes wrote:


> On 13/07/2012 09:56, Marc Tompkins wrote:

>> Just to verify: you do also see the problem with the file I attached?


> Yes, using Adobe Reader 10.1.3 here, the standard fit-to-width view corresponds

> to approx 75% magnification and the text appears as you described. It improves

> as the magnification is increased, it's acceptable(?) around 150% and probably

> perfect above 200%.


> I think this implies a rendering problem rather than anything ReportLab could

> influence. I vaguely recall a similar problem with the wxPython PDF viewer I

> wrote a couple of years ago (see site-packages...\wx\lib\pdfviewer and the

> wxPythonDemo). There was a range of magnifications around 60-80% that rendered

> badly even with the embedded Type 1 fonts. Unfortunately I don't remember being

> able to do anything about it.


We have examples where acrobat reader renders the T1 version of a font better
than the TTF version. Whether that's because the TTF one is a conversion that
has lost some hints etc etc or because the renderer isn't so good at TTF I
cannot say.
Robin Becker

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