![]() ![]() Reported quality by Gimp: resolution 2698 × 1518 pixels, JPEG quality 75% progressive, subsampling 4:2:0, size 187 KB. ![]() Referenced in: %USERPROFILE%\AppData\Local\Microsoft\Windows\Themes\Roamed.theme.Path: %USERPROFILE%\AppData\Local\Microsoft\Windows\Themes\RoamedThemeFiles\DesktopBackground.(filename should be the same as your original).Reported quality by Gimp: resolution 5000 × 2813 pixels, JPEG quality 98% progressive, subsampling 4:4:4, size 1.9 MB.Referenced in: %USERPROFILE%\AppData\Local\Microsoft\Windows\Themes\Custom.theme (human readable text).Path: depends on how you set the background, using the Explorer results in the path of the original file, using something like the Photos app results in a path to a cached copy of the image (but still equal to original quality). ![]() It got better with Windows 10 for the local machine, but it's the same as in Windows 8 for every other computer you log into with roamed themes. I will be posting this message on all the forums and blogs I see discussing this. Also making sure the dpi is set to 72.009 and 8bit. If you try this, I think you need to make sure you change the image dimensions to match that of what your screen resolution is exactly. After saving my new image, I right clicked on it and chose set to desktop, the resulting image has no artifacts and is no longer compressed. I decided to scale down my own personal wallpapers to the 1900x1200 size, changed the dpi and bitrate to match the other jpg. So I decided to look around into the settings on the jpg, nothing unusual that I could see, the image was 1900x1200 at 72.009dpi and 8bit. In fact, the file size of the "compressed" jpg was larger than the original. Until I found someone who did not have this problem, I asked them to share their wallpaper with me and I tried it, sure enough, their wallpaper did not have any on screen artifacts and the resulting compressed wallpaper, was not a shrunken down jpg. I had this problem myself, searched endlessly for an answer and found none. Let's just hope Windows 10 won't be such a colossal disappointment in that regard.
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