incorrect font in pdf when viewed on line, OK when pdf downloaded
Categories
(Firefox :: PDF Viewer, defect)
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(Reporter: jonathanbaron7, Unassigned)
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Details
(Keywords: nightly-community)
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(1 file)
90.05 KB,
image/png
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Details |
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0
Steps to reproduce:
Use Firefox to view a pdf on the Web. This seems to happen with all pdf files, but here is an example:
https://www.sas.upenn.edu/~baron/vita.pdf
Actual results:
PDF displays but the font is a poor substitute for the intended font. The letters are too large relative to the inter-letter spacing. But the font is wrong too.
However, if I download the same pdf file and view it with "firefox -new-window [the file]" it displays correctly.
Expected results:
It should display correctly on the Web.
I think this bug started in today's build:
75.0a1 (2020-03-07) (64-bit) for linux
Comment 1•5 years ago
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Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0
20200307213339
(In reply to Jonathan Baron from comment #0)
PDF displays but the font is a poor substitute for the intended font.
Please attach a screenshot of the problem.
I tried a build from March 1st, then updated to the latest, and Vivaldi as well. In all cases I see what looks like mostly Times New Roman with a bit of Courier New for links.
I think this bug started in today's build:
It would help if you could find the exact regression range.
https://mozilla.github.io/mozregression/quickstart.html
Reporter | ||
Comment 2•5 years ago
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Here is the screen shot.
However, I have now discovered that this is not a problem with Firefox. Thus this bug should be closed. I will try to do that. (I can't find a place to do that just now.)
The problem is with an add-on, "Zoom page WE", which recently updated to a new version.
(I find this necessary because changes in layout.css.devPixelsPerPx affects the side panel as well as the page itself. I need something because of vision problems.)
Reporter | ||
Updated•5 years ago
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Comment 3•5 years ago
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(In reply to Jonathan Baron from comment #2)
I need something because of vision problems.)
If you need to set a default zoom level for the PDF viewer,
- Enter
about:config
into the address bar. - In the search bar, enter pdfjs.defaultZoomValue
- In the results, double-click pdfjs.defaultZoomValue and set its value to a number (don't add a % sign to it). Alternatively, you can set it to page-width, page-height, page-fit or auto (this should already be the default).
Reporter | ||
Comment 4•5 years ago
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Thanks. This might be useful. But my main problem is with ordinary web pages.
I found another add-on, "Fixed Zoom", which does exactly what I want. It just blows up the entire page by a fixed ratio (1.3 on my desktop, 1.7 on my super high-resolution laptop).
It does NOT affect pdfs, but I have no problem reading pdfs with Firefox. Firefox seems to fit page width by default, which means that the font is quite legible on a wide screen. In fact Firefox is better than other linux pdf readers (xpdf, atril, etc.) for most purposes. (For example, it does a very nice job when the pdf has comments on it. And it is much easier to use for cutting and pasting to something else.)
I don't know what Zoom Page WE was trying to do, but the new version of it made a complete mess of many different things, not just pdfs.
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