Chrome UI scaling issue on Windows 10 with HiDPI monitors.
Reported by
ozguruy...@gmail.com,
May 12 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Steps to reproduce the problem: 1. On a laptop with 15.6", 1920x1080 HiDPI resolution. Windows 10 installed with default recommended scaling of 125%. 1. Open chrome 58.0.3029.110 (64-bit) and all UI components (tabs, buttons) including the website content looks zoomed in. 2. Check "Disable Display Scaling on High DPI Settings" but Chrome doesn't respect that setting. 3. Open Edge browser and compare the font sizes and all. What is the expected behavior? Only fonts should be rescaled by the windows scaling setting (125% in this case). The web content should not be zoomed in 125%. What went wrong? All UI components such as tabs, extension icons etc, and the website content is zoomed in by 125%. Did this work before? N/A Chrome version: 58.0.3029.110 Channel: stable OS Version: 10.0 Flash Version: Chrome seems to rescale everything based on the windows scaling setting and this is resulting in huge UI components and zoomed in web content. I'd expect only the font size of the UI to be rescaled by Windows scaling factor. In the screenshot you can see that Edge browser can handle this properly. Please see that Chrome zoomed everything in even the web content by 125%. I see you're tagging any similar reports (example bug 718590) with a "Wontfix" tag but this definitely looks like an issue especially when you think of the fact that Chrome is definitely zooming in the website you're viewing.
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May 29 2017
This looks more like a feature request and hence marking it as untriaged for further inputs on this. Thanks!
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Dec 13 2017
Chromium has never supported the standard Windows flag "Disable Display Scaling on High DPI Settings". This is a terrible thing for a browser to fail to support. Like many users on high DPI displays, I would prefer to have some default scaling for applications I don't use much, and to handle the scaling explicitly within my browsers and other key applications. One can undo the automatic scaling within Chrome, of course (125% times 80% equals 100%) but this degrades the quality of the image. Try this with a test image to see. Boo, Chromium. Support the damn flag. This will become more and more important as ultra-dense screens become more prevalent.
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Dec 13 2017
Oops, I must retract the most important half of my harsh criticism. > One can undo the automatic scaling within Chrome, of course > (125% times 80% equals 100%) but this degrades the quality > of the image. Try this with a test image to see. I re-did this test just now, 150% times 67%, and got a pixel-for-pixel correct rendering of my test image, unlike a year ago when I got poor results. So, thanks to the rendering crew for fixing my biggest gripe about Chromium's decision not to support the Windows flag.
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Dec 14 2017
Another thing to note regarding this issue is that the problem exists in all Electron apps. I have to add these flags to target field in every app: "/high-dpi-support=1 /force-device-scale-factor=1 /device-scale-factor=1"
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Sep 13
Archiving old bugs that haven't been actively assigned in over 180 days. If you feel this issue should still be addressed, feel free to reopen it or to file a new issue. Thanks! |
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Comment 1 by ranjitkan@chromium.org
, May 15 2017