PDF won't render text on v2.5.0

Question

PDF won't render text on v2.5.0

FilCZ opened this issue 8 years ago · 26 comments

Hi, I've recently changed to your version 2.5.0, because I wanted to try the .enableAntialiasing() method. Unfortunately, my example.pdf, which could be easily rendered on v2.4.0, won't render. There are some lines, but not text.

Does anyone have the same issue or know to repair it?

Thank you.

Answer 1 · 2017-03-31T22:07:16.000Z

Send the file will try it out.

Answer 2 · 2017-04-01T11:48:23.000Z

I can't do it now, because I have it in my computer at work, I will send it as soon as I get to work.

Thank you for your time.

Answer 3 · 2017-04-07T14:00:14.000Z

I'm encountering the same issue.

Answer 4 · 2017-04-07T15:36:04.000Z

Down Grade pdfium works fine.

Answer 5 · 2017-04-07T19:36:41.000Z

Are there any log messages? Please provide your document

Answer 6 · 2017-04-07T20:30:53.000Z

linkkeja-universal.pdf

I think it was this one. It contains just text, with link annotations, but the text doesn't render (or renders white?).

I already checked that it should't be too hard to add support for links, but that's another topic. I'm very impressed by the performance of pdfium, compared to many commercial SDKs.

Answer 7 · 2017-04-07T20:33:26.000Z

By the way, there's a newer branch android-7.1.1_r38 available for the pdfium, but I quess you already know it.

Answer 8 · 2017-04-07T20:45:25.000Z

@juhasuni Thanks for document, I will check it. I didn't know about new branch, I see there are many new branches since my last version, maybe it will fix issues with text.

Answer 9 · 2017-04-07T20:55:45.000Z

@juhasuni That's strange, I just checked your document on my phone with Android 7.0 and on emulator with Android 5.0 and 4.1 and text looks like on PC. What is your phone model and Android version?

Answer 10 · 2017-04-07T22:32:17.000Z

It is one of our test devices, Samsung, running on Android 4.x. I'll test again on Monday on more devices. Thanks for taking a look at it.

Answer 11 · 2017-04-07T22:35:29.000Z

DSC_PC585_pikaohje.pdf

Here's another document that didn't show texts, if I recall right.

Answer 12 · 2017-04-07T22:39:49.000Z

Indeed I don't see text. I will try pdfium from newer branch

Answer 13 · 2017-04-08T11:52:11.000Z

It seems that this is known bug in pdfium since SDK 23 and after two month fix still is not released.
Report available here https://code.google.com/p/android/issues/detail?id=231586

Answer 14 · 2017-04-08T12:26:24.000Z

thanks @barteksc will be looking forward to the release, although not really noticed any differences with the older version and the latest release,

Answer 15 · 2017-04-08T19:00:25.000Z

I'll try the old version. Let's wait until the issue is resolved in Android Pdfium project.

…

On 8 Apr 2017, at 15.26, 1stmetro ***@***.***> wrote: thanks @barteksc will be looking forward to the release, although not really noticed any differences with the older version and the latest release, — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub, or mute the thread.

Answer 16 · 2017-04-08T19:07:01.000Z

I have just released 2.5.1, which downgrades pdfium to working version

Answer 17 · 2017-04-08T20:36:34.000Z

Any extras in 2.51?

Answer 18 · 2017-04-08T20:41:56.000Z

No, just quickfix

Answer 19 · 2017-05-09T12:30:34.000Z

I'm encountering the same issue. it just show pictrues and text is gone.
pls help!!

Answer 20 · 2017-05-09T12:33:21.000Z

@karlsoft I don't understand what do you expect? Everything is written in this issue

Answer 21 · 2017-05-09T12:41:37.000Z

Thanks for answer! my problem is There are some lines and pictrues, but no text. all text is gone ,is on v2.5.1

Answer 22 · 2017-05-09T12:46:03.000Z

Version 2.5.1 uses same engine as older versions (excluding 2.5.0), so if it doesn't work for you it is not related to this issue

Answer 23 · 2017-05-25T02:59:49.000Z

I also has the problem on 2.5.1.

source pdf (with Chinese)
NG Result:

NG:
MX4 pro android 5.0.1
LG G4 android 5.1
Samsung S4 android 5.0.1
Sony ZU android 5.1.1

OK:
Samsung S7 edge android 7.0

Answer 24 · 2017-05-26T05:40:25.000Z

I would say this is a pdf form not a flat pdf hence why you lose a layer. Flatten as pdf file not a form and it will display. Forms and layered pdf are not supported.

Answer 25 · 2017-05-26T07:49:08.000Z

@1stmetro
Thank you for your answer.
I got it.

Answer 26 · 2017-06-16T20:33:53.000Z

I have just released version 2.7.0-beta which uses new PdfiumAndroid that should not have problems with font rendering