List Icon
Archiv Mailingliste

2019 bis Juli 2022  2018  | 2017 2016 2015 | 2014 | 2013

Die Mailingliste ist seit Juli 2022 geschlossen, dient aber weiterhin als Informationsarchiv zu QF-Test.
Wenn Sie aber über Neuerungen zu QF-Test informiert bleiben wollen, können Sie einfach unseren
Newsletter abonnieren

Um aktuell die Informationen zu jeder Release - auch Minor Releases - zu bekommen, können Sie den
RSS-Feed abonnieren oder uns in sozialen Medien folgen.
Alternativ bietet QF-Test auch selbst eine Versionsinformation an.

Eine weitere Informationsquelle ist unser Blog, in dem es aktuelle Beiträge zu allgemeinen Themen, zur Firma QFS und auch diverse "How-Tos" gibt:
Blog abonnieren

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [QF-Test] Windows resolution issues

  • Subject: Re: [QF-Test] Windows resolution issues
  • From: Michael Höber, QFS Support <support@?.de>
  • Date: Wed, 21 May 2014 10:09:33 +0200



You should not take screenshots of the whole window or large components to verify the content.

Those screenshots are likely to break, because a Java update, Windows update, even Graphics Card driver update or simply different font antialiasing settings may break these tests.

In your case, the expected image is with font antialiasing, but the actual image is without it.

There are at least 4 settings (maybe even more) which influence antialiasing of fonts, the first three are user-dependent:

- system setting, at Windows called "ClearType": You can configure this via Windows Control Panel

- graphics card setting (depends on graphics card and driver where to find)

- Java setting via Java configuration (only applies for Java applications)

- Java setting via system property as part of the source-code of the application (only applies for Java applications)

Beside these settings, as already said, a simple system update may lead to different antialiasing results.


However, QF-Test provides tolerant image checks using different algorithms, c.f.:


Actually I really recommend to use functional checks instead of image checks to verify textual content, c.f.:


Best regards,



From: qftest-list-bounces@?.de [mailto:qftest-list-bounces@?.de] On Behalf Of Ismael, Sarah
Sent: Tuesday, May 20, 2014 1:04 AM
To: qftest@?.de; qftest-list@?.de
Subject: [QF-Test] Windows resolution issues


Hi All,

            Hope this message finds you great! We’re recording our test cases on laptop/desktop machines and we faced a problem running those tests on virtual machines giving us error that images are not identical although they are but with different resolution. Although they ran successfully on different desktop machines and laptops. Kindly check the attached images for more clarification.

What can we do to overcome this resolution issue in our test cases to be able to run the pre-recorded test cases on different machines?








Get the most out of QF-Test - Support directly from the authors  

* Training & consulting:  

* Phone & email support:  



Michael Höber  

Development & Support  


E: support@?.de  

T: +49 (0)8171 38648-20     

F: +49 (0)8171 38648-16  


Quality First Software GmbH |  

Tulpenstr. 41 | 82538 Geretsried | Germany  

GF Gregor Schmid, Karlheinz Kellerer  

HRB München 140833