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Bug 94761 - Bitmap patterns are blurry
Summary: Bitmap patterns are blurry
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version:
(earliest affected)
3.6.7.2 release
Hardware: Other All
: high normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: bibisected, regression
Depends on:
Blocks: Object-Fill Image-DPI
  Show dependency treegraph
 
Reported: 2015-10-04 19:43 UTC by Yousuf Philips (jay) (retired)
Modified: 2020-07-02 11:50 UTC (History)
9 users (show)

See Also:
Crash report or crash signature:


Attachments
sample (10.03 KB, application/vnd.oasis.opendocument.text)
2015-10-04 19:43 UTC, Yousuf Philips (jay) (retired)
Details
screenshot (98.21 KB, image/png)
2015-10-04 19:43 UTC, Yousuf Philips (jay) (retired)
Details

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Description Yousuf Philips (jay) (retired) 2015-10-04 19:43:06 UTC
Created attachment 119277 [details]
sample

Steps:
1) Open attached document
2) Notice that the bitmap pattern is blurry at 100 percent and when zoomed in

Regression as this doesnt happen with in 3.3.0 and 3.5.7.

Version: 5.1.0.0.alpha1+
Build ID: 329496c1f75f97d2e6119ceb214a2ea1fbadb17a
TinderBox: Linux-rpm_deb-x86_64@70-TDF, Branch:master, Time: 2015-10-03_02:47:24
Locale: en-US (en_US.UTF-8)
Comment 1 Yousuf Philips (jay) (retired) 2015-10-04 19:43:51 UTC
Created attachment 119278 [details]
screenshot
Comment 2 Buovjaga 2015-10-08 07:09:52 UTC
Confirmed.

Win 7 Pro 64-bit, Version: 5.0.2.2 (x64)
Build ID: 37b43f919e4de5eeaca9b9755ed688758a8251fe
Locale: fi-FI (fi_FI)
Comment 3 Robinson Tryon (qubit) 2015-12-14 05:32:50 UTC Comment hidden (obsolete)
Comment 4 Joel Madero 2015-12-19 22:44:37 UTC
I think there's a reasonable argument that this should be set to normal - high (regression). Normal because there is no real workaround so it could prevent high quality work - the image is blurry.

8aabf2aee6514311020b855a95a6e44bab3a5b0d is the first bad commit
commit 8aabf2aee6514311020b855a95a6e44bab3a5b0d
Author: Bjoern Michaelsen <bjoern.michaelsen@canonical.com>
Date:   Wed Nov 27 09:32:23 2013 +0000

    source-hash-0aa9ced531b8d85ad067c1d156a9708eea628d78
    
    commit 0aa9ced531b8d85ad067c1d156a9708eea628d78
    Author:     Tor Lillqvist <tml@collabora.com>
    AuthorDate: Wed Nov 6 00:43:06 2013 +0200
    Commit:     Tor Lillqvist <tml@collabora.com>
    CommitDate: Wed Nov 6 00:44:28 2013 +0200
    
        It's types.rdb now, not udkapi.rdb any more
    
        Change-Id: If6e8c4862ec628eb4c052e0fd237f5aef89db8eb

:100644 100644 ce5cd8dc3c3a6fdc22ae8e4f63897ab07254eddb 867d2798c91ad285850e29c0e8d0f40548dff4fb M	ccache.log
:100644 100644 405359894d6958b64eb7f2beb6f8a48550779f95 e461af99260d551289a2dd1f188119438cf1fc19 M	commitmsg
:100644 100644 0c7b842ac949f66eaa350d1ac25b0d6ccc407841 ab6adaea7a96b5d6d10dda3f10504fd1f005cfcf M	make.log
:040000 040000 216184b3333359e5a1395b47d1551dd3b61d2f04 d765efa8f9bd443222a2a557954f9dd4997fd3e7 M	opt


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git bisect good 11ac44b0fb233f1f98e2f083598f6720a04e457f
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Comment 5 Buovjaga 2015-12-20 09:04:06 UTC
Ok, adjusting prio+sev.
Comment 6 QA Administrators 2017-01-03 19:47:13 UTC Comment hidden (obsolete)
Comment 9 QA Administrators 2019-03-12 03:38:04 UTC Comment hidden (obsolete)
Comment 10 andreas_k 2020-02-22 12:17:24 UTC
Hi

I think the reason why this happen is that the pattern's are defined for 96 dpi and were scaled to something else within LibO shapes.

There are some options
- pattern use png files which will be zoomed (that's the resolution now and make blured shape patterns)
- we can use svg files for pattern instead of png (is now not possible)
- make the pattern png file size fit 300 dpi instead of 96 dpi

any idea how to solve this?
Comment 11 Heiko Tietze 2020-07-02 11:50:15 UTC
Would either resolve the ticket as WF (see comment 4) or go with vector graphics (see comment 10). What's your opinion, Tomaz?