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Bug 723436 - kde-misc/kdiff3-1.8.2-r1 blurry rendering on hi-dpi screen
Summary: kde-misc/kdiff3-1.8.2-r1 blurry rendering on hi-dpi screen
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Bernard Cafarelli
Keywords: PATCH
Depends on:
Reported: 2020-05-16 20:05 UTC by Михаил
Modified: 2020-06-30 21:44 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---

screen shot (kdiff3ss.png,129.63 KB, image/png)
2020-05-16 20:11 UTC, Михаил
patch for kde-misc/kdiff3-1.8.2-r1 (hidpi.patch,4.49 KB, patch)
2020-05-16 21:22 UTC, Михаил
Details | Diff

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Description Михаил 2020-05-16 20:05:45 UTC
kde-misc/kdiff3-1.8.2-r1 draws poorly on hi-dpi screen.

Reproducible: Always

Steps to Reproduce:
run kdiff3 for 3 way merging on HiDPI monitor. 
$kdiff3 -o a b c d 
Actual Results:  
Text in merge result blurry and pixelated

Expected Results:  
clear text in merge result

Upstream fix:
Comment 1 Михаил 2020-05-16 20:11:05 UTC
Created attachment 639720 [details]
screen shot

Merge result text is pixelated
Comment 2 Михаил 2020-05-16 21:22:08 UTC
Created attachment 639722 [details, diff]
patch for kde-misc/kdiff3-1.8.2-r1

works for me
Comment 3 Andreas Sturmlechner gentoo-dev 2020-06-30 16:57:33 UTC
Updated link after is no longer up:
Comment 4 Larry the Git Cow gentoo-dev 2020-06-30 21:44:15 UTC
The bug has been closed via the following commit(s):

commit 3490a8cb8b1f58dadaf25feedd2cf108ec1a9dd0
Author:     Andreas Sturmlechner <>
AuthorDate: 2020-06-30 21:42:13 +0000
Commit:     Andreas Sturmlechner <>
CommitDate: 2020-06-30 21:44:04 +0000

    kde-misc/kdiff3: Fix HiDPI support
    Package-Manager: Portage-2.3.103, Repoman-2.3.23
    Signed-off-by: Andreas Sturmlechner <>

 kde-misc/kdiff3/files/kdiff3-1.8.3-hidpi.patch | 112 +++++++++++++++++++++++++
 kde-misc/kdiff3/kdiff3-1.8.3-r1.ebuild         |  41 +++++++++
 2 files changed, 153 insertions(+)