[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=390488

Patrick Silva  changed:

   What|Removed |Added

Version|18.08.1 |18.12.1

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

Nate Graham  changed:

   What|Removed |Added

   Keywords||usability

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #8 from Dr. Chapatin  ---
icon of ISO file, for example, looks bad with 1.2x scale (like you can see in
the screenshot posted in comment 1) and looks good with 2x scale.
Picture preview looks bad no matter if scale is 1.2x or 2x.

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #7 from Nate Graham  ---
Dr. Chapatin, does this also look bad at 2x, or only for 1.2x?

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

Dr. Chapatin  changed:

   What|Removed |Added

Version|18.04.3 |18.08.1

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

Dr. Chapatin  changed:

   What|Removed |Added

Version|18.04.1 |18.04.3

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

Dr. Chapatin  changed:

   What|Removed |Added

Version|17.12.1 |18.04.1

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #6 from Nate Graham  ---
Can confirm. They actually look worse in HiDPI mode, as expected for small
pixmaps that are being upscaled.

The fix is most likely somewhere in Dolphin's informationPanelContent.cpp.
Probably the pixmaps need to be adjusted to take the device pixel ratio into
account rather than using raw pixel sizes. Perhaps it's the line that does
this:

m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

Dr. Chapatin  changed:

   What|Removed |Added

 Resolution|FIXED   |---
 Ever confirmed|0   |1
 Status|RESOLVED|REOPENED

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #5 from Dr. Chapatin  ---
Created attachment 111618
  --> https://bugs.kde.org/attachment.cgi?id=111618=edit
fuzzy picture preview in dolphin 18.04 beta

I'm testing Dolphin 18.04 on Arch Linux, now icons in info panel look OK.
However, as you can see in my screenshot, picture preview is still fuzzy.

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #4 from Nate Graham  ---
*** Bug 390606 has been marked as a duplicate of this bug. ***

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

Nate Graham  changed:

   What|Removed |Added

   Version Fixed In||18.04.0
 CC||n...@kde.org

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #3 from Nate Graham  ---
*** Bug 390606 has been marked as a duplicate of this bug. ***

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Kai Uwe Broulik]

https://bugs.kde.org/show_bug.cgi?id=390488

Kai Uwe Broulik  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |FIXED
  Latest Commit||https://commits.kde.org/dol
   ||phin/ae67f991951e826ab6d0a6
   ||cb6e1123cf6ee35ca5

--- Comment #2 from Kai Uwe Broulik  ---
Git commit ae67f991951e826ab6d0a6cb6e1123cf6ee35ca5 by Kai Uwe Broulik.
Committed on 15/02/2018 at 12:37.
Pushed by broulik into branch 'master'.

[Information Panel] Adjust painting icons for high dpi scaling

Instead of creating our own KIconLoader (which takes ~5ms here) just use
QIcon::fromTheme which already does everything right.

Differential Revision: https://phabricator.kde.org/D10532

M  +9-14   src/panels/information/informationpanelcontent.cpp

https://commits.kde.org/dolphin/ae67f991951e826ab6d0a6cb6e1123cf6ee35ca5

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[dolphin] [Bug 390488] Icons look fuzzy in info panel after I increase display scale

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=390488

--- Comment #1 from Dr. Chapatin  ---
Created attachment 110678
  --> https://bugs.kde.org/attachment.cgi?id=110678=edit
screenshot

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