Bug 138810

Summary:	Libre Office Draw: OCR text jump to front of image
Product:	LibreOffice	Reporter:	ajku500
Component:	Draw	Assignee:	Not Assigned <libreoffice-bugs>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	xiscofauli
Priority:	medium
Version:	7.0.1.2 release
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
Crash report or crash signature:		Regression By:
Attachments:	ocrmypdf-ocr.pdf ocrmypdf-ocr-export-libre-office.pdf pdf-gimp.pdf pdf-gimp-ocrmypdf.pdf pdf-gimp-ocrmypdf-export-libreoffice.pdf scanner-ocr.pdf scanner-ocr-export-libreoffice.pdf

Description ajku500 2020-12-11 06:02:39 UTC

Description:
I am using Libre Office Version: 7.0.1.2 Build ID: 00(Build:2) CPU threads: 2; OS: Linux 4.15; UC:\fakepath\Sample-raster-OCRmypdf-pdf.odfI render: default; VCL: gtk3 Locale: en-IN (en_IN); UI: en-US Ubuntu package version: 1:7.0.1_rc2-0ubuntu0.18.04.1 Calc: threaded

I noted that whenever I open a pdf file made of image + OCR in Libre Office Draw for editing the last most text/or text in a line/ or complete text on a page on every page is visible above the image. This cause lot of problem if I am working with 100s of pages. I have to select image on every page and move it to front.

I further noted in my system I scanned image using HP deskjet 1050 scanner using Xsane.:
(Condition-1) If I open this image for editing in Gimp or okular and ocr resulting pdf. The resultant pdf show problem as described above.
(Condition-2) If I just OCR my scanned pdf file(without editing with any other siftware) and then open resulting file in Libre Office Draw it shows such issues.
I also downloaded .pdf with OCR files from various websites and found similar problem as described above.

Steps to Reproduce:
1. take a image or .pdf file open it with okular/ gimp and print it as .pdf file using option force rasterization.
2. ocr resulting .pdf file using any ocr software in my case ocrmypdf.
3. open resulting .pdf file in Libre Office Draw. Any of the ocr text will be visible above the image.
4. export .pdf from Libre Office Draw. the resulting .pdf will also have same issue.

Actual Results:
The ocr text must be on back of image as it was in source pdf. But opened file and resulting .pdf both have any of the ocr text visible on front of the image.

Expected Results:
The ocr text must be on back of image as it was in source pdf.

Reproducible: Always

User Profile Reset: No

OpenGL enabled: Yes

Additional Info:
Discussion about problem here: https://ask.libreoffice.org/en/question/281660/libre-office-draw-ocr-text-jump-to-front-of-image/

Comment 1 Xisco Faulí 2021-02-09 12:13:40 UTC

You can't confirm your own bugs. Moving it back to UNCONFIRMED until someone
else confirms it.

Comment 2 Natali Eroshenko 2021-08-13 09:54:27 UTC

don`t repro in Version: 7.1.5.2 (x64) / LibreOffice Community
Build ID: 85f04e9f809797b8199d13c421bd8a2b025d52b5
CPU threads: 6; OS: Windows 10.0 Build 19042; UI render: Skia/Raster; VCL: win
Locale: en-US (ru_RU); UI: en-US
Calc: threaded

Comment 3 Natali Eroshenko 2021-08-13 09:54:41 UTC

don`t repro in Version: 7.3.0.0.alpha0+ / LibreOffice Community
Build ID: 85f04e9f809797b8199d13c421bd8a2b025d52b5
CPU threads: 6; OS: Windows 10.0 Build 19042; UI render: Skia/Raster; VCL: win
Locale: en-US (ru_RU); UI: en-US
Calc: threaded

Comment 4 Timur 2021-08-13 12:43:45 UTC

You need to attach PDF from step2 and please screenshot after step 3. 
I tried with PDF you attached in Ask but couldn't see a problem.

This may be a duplicate of bug 104770.

Note: Lo 7.0.1.2 is old, many bugs were fixed with 7.0.6 and 7.1.5 and soon to be 7.1.6.

Comment 5 QA Administrators 2022-02-10 03:41:32 UTC Comment hidden (obsolete)

Dear ajku500,

This bug has been in NEEDINFO status with no change for at least
6 months. Please provide the requested information as soon as
possible and mark the bug as UNCONFIRMED. Due to regular bug
tracker maintenance, if the bug is still in NEEDINFO status with
no change in 30 days the QA team will close the bug as INSUFFICIENTDATA
due to lack of needed information.

For more information about our NEEDINFO policy please read the
wiki located here:
https://wiki.documentfoundation.org/QA/Bugzilla/Fields/Status/NEEDINFO

If you have already provided the requested information, please
mark the bug as UNCONFIRMED so that the QA team knows that the
bug is ready to be confirmed.
 
Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-NeedInfo-Ping

Comment 6 ajku500 2022-03-09 17:03:06 UTC

Created attachment 178754 [details]
ocrmypdf-ocr.pdf

Comment 7 ajku500 2022-03-09 17:04:04 UTC

Created attachment 178755 [details]
ocrmypdf-ocr-export-libre-office.pdf

Comment 8 ajku500 2022-03-09 17:04:55 UTC

Created attachment 178756 [details]
pdf-gimp.pdf

Comment 9 ajku500 2022-03-09 17:05:22 UTC

Created attachment 178757 [details]
pdf-gimp-ocrmypdf.pdf

Comment 10 ajku500 2022-03-09 17:05:47 UTC

Created attachment 178758 [details]
pdf-gimp-ocrmypdf-export-libreoffice.pdf

Comment 11 ajku500 2022-03-09 17:06:09 UTC

Created attachment 178759 [details]
scanner-ocr.pdf

Comment 12 ajku500 2022-03-09 17:06:33 UTC

Created attachment 178760 [details]
scanner-ocr-export-libreoffice.pdf

Comment 13 ajku500 2022-03-09 17:09:15 UTC

I am sorry for delay. Had some personal problems. Now I have updated the version of libreoffice. The detail is below:
Version: 7.3.1.3 / LibreOffice Community
Build ID: 30(Build:3)
CPU threads: 2; OS: Linux 4.15(Linux Mint 19.2 Tina); UI render: default; VCL: gtk3
Locale: en-IN (en_IN); UI: en-US
Ubuntu package version: 1:7.3.1~rc3-0ubuntu0.18.04.1~lo1
Calc: threaded
-----------------------------------------------------------
 
Here are the steps to Reproduce:

(1) Scan document/ create pdf using gimp and ocr using any method through scanner or ocrmypdf (Both use tesseract in my case). All the text in generated pdfs hidden behind the image. files/ screenshots: 
(2) Open document with LibreOffice Draw. Now the last text/ character at each page will expose (Or visible in front).
3) Now  export document open in LibreOffice Draw as pdf. In the exported pdf the the last text/ character at each page will expose (Or visible in front).

Expected result: the OCR text should remain in the background.

1.png:  LibreOffice Version (Link:https://imgur.com/a/PDGtz1G)
2.png:  Document OCR with ocrmypdf (ocrmypdf-ocr.pdf)(Link:https://imgur.com/dArgfaW)
3.png:  Document OCR with scanner (scanner-ocr.pdf)(Link:https://imgur.com/2zgyPmt)
4.png:  Document exported from gimp and OCR with ocrmypdf (pdf-gimp-ocrmypdf.pdf)(Link:https://imgur.com/EGuM1EV)
5.png:  Document ocrmypdf-ocr.pdf open in LibreOffice draw(Link:https://imgur.com/A3Ed0oU)
6.png:  Document scanner-ocr.pdf open in LibreOffice draw (Link:https://imgur.com/LDCSeGY)
7.png:  Document pdf-gimp-ocrmypdf.pdf open in LibreOffice draw (Link:https://imgur.com/sJKm3Qv)
8.png:  Document after ocrmypdf-ocr.pdf exported as pdf from LibreOffice draw (Link:https://imgur.com/mjOqyLF)
9.png:  Document after scanner-ocr.pdf exported as pdf from LibreOffice draw (Link: https://imgur.com/nByltvf)
10.png: Document after pdf-gimp-ocrmypdf.pdf exported as pdf from LibreOffice draw (Link: https://imgur.com/6qIhASj)

pdf files already attached in comments 6 to 12.

Comment 14 Timur 2022-03-09 18:11:43 UTC

I didn't test but let's assume duplicate.

*** This bug has been marked as a duplicate of bug 104770 ***