Review Request 128952: Optionally Downscale Images on HiDPI

[Jason A. Donenfeld]

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https://git.reviewboard.kde.org/r/128952/
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Review request for KDE Graphics and Boudhayan Gupta.


Repository: spectacle


Description
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Some people use "retina displays" or HiDPI displays. Taking screenshots
and then posting them to the Internet is especially annoying with these
displays, because the images are twice as big in the web browser. For
those who primarily use Spectacle for taking web screenshots, this
commit adds a new option (default: off) to downscale HiDPI images to the
ordinary "1x" size so that they can be used for sharing.

In the HiDPI mode, things are usually discussed in terms of "x", where
each "x" is actually 96 DPI. This automatic feature simply sees which
"x" is closest by dividing the configured DPI by 96 and rounding.

Signed-off-by: Jason A. Donenfeld <Jason at zx2c4.com>


Diffs
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  src/ExportManager.cpp 763b1f32ad42bca1b3f1d6bcb0f7f908a54b6641 
  src/Gui/SettingsDialog/GeneralOptionsPage.h 343ce037b7d1da9c9c12f0fe4eb44bf4a132d4fe 
  src/Gui/SettingsDialog/GeneralOptionsPage.cpp 1ffddd9c733d3b6f3897949ab67883886f651a69 
  src/SpectacleConfig.h 5a91f702777cde05f9608d6157d533f2e6e21347 
  src/SpectacleConfig.cpp b812b00246421fd784d7b4646978c39fb50dfbd4 

Diff: https://git.reviewboard.kde.org/r/128952/diff/


Testing
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Thanks,

Jason A. Donenfeld

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