DisplayFusion RSS: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/RSS/?TopicID=51241bb6-e95d-4d00-a82b-36f439b9ad3f DisplayFusion RSS: PNG vs JPEG as wallpaper setting format Sat, 09 May 2026 04:41:03 GMT en hourly 1 https://www.displayfusion.com/Discussions/RSS/?TopicID=51241bb6-e95d-4d00-a82b-36f439b9ad3f RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#10 Wed, 26 Jun 2013 14:58:26 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#10 DisplayFusion We've just released DisplayFusion 5.1 Beta 8 (http://www.displayfusion.com/Download/Beta/), and this issue should be all fixed up.

Thanks! ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#9 Thu, 21 Mar 2013 01:59:13 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#9 DisplayFusion
Quote:
Ok, interesting! It sounds like we might need two different solutions for Windows 7 and 8. We're going to look into it some more, and we'll be sure to post an update when we have more news.

Thanks!


Thanks.

If possible you could use the approach Windows 8 uses that it assigns one image to each monitor but that way you can't have control over the image position as it is assigns the same to both images (streched, fit, etc). So Display fusion could do all adjustments (fit, crop, add borders, text, like it currently does) and instead of generating one single image for both screens it would do two, one for each monitor.

I applied some pngs with Windows wallpaper system and they were not recompressed.

Cheers! ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#8 Tue, 05 Mar 2013 15:24:47 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#8 DisplayFusion Ok, interesting! It sounds like we might need two different solutions for Windows 7 and 8. We're going to look into it some more, and we'll be sure to post an update when we have more news.

Thanks! ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#7 Mon, 04 Mar 2013 20:26:38 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#7 DisplayFusion
Quote:
We had recently done some testing in Windows 7 with DisplayFusion 5.0, and our generated images looked fine, but as soon as they were applied to the wallpaper by Windows, they showed compression loss. Our JPGs are saved at 100% quality, but we did indeed also try generated the image as a PNG, with the same results.

However, we didn't test in Windows 8, so I'll definitely check it out to find out if there's any difference between Windows 7 and Windows 8 with regards to the image quality.


JPGs are always lossy, even at 100% quality. If you do a subtraction on the original image in photoshop you can see the artifacts right away.
Vista and Win7 will recompress the image if it's PNG or if it has an extension other than .jpg, as I mentioned saving the wallpapers as bitmap and naming them .jpg will avoid this. I don't think windows 8 does this but I'm not 100% sure. It doesn't hurt to save them like this though. ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#6 Mon, 04 Mar 2013 19:29:18 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#6 DisplayFusion We had recently done some testing in Windows 7 with DisplayFusion 5.0, and our generated images looked fine, but as soon as they were applied to the wallpaper by Windows, they showed compression loss. Our JPGs are saved at 100% quality, but we did indeed also try generated the image as a PNG, with the same results.

However, we didn't test in Windows 8, so I'll definitely check it out to find out if there's any difference between Windows 7 and Windows 8 with regards to the image quality. ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#5 Mon, 04 Mar 2013 18:07:05 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#5 DisplayFusion
Quote:
We've actually tried to create the wallpaper as a lossless PNG instead of JPEG, but unfortunately it's Windows that's adding the compression after the fact :(

Sorry!


That's what I'd call bull***. When setting wallpapers with Windows' own "Personalisation" tool, you can set up wallpapers separately for each monitor in Windows 8 and there's no quality difference to the original image.

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Now let's see if i'm seeing the issue... Is the file created by display fusion ok and when Windows applies the wallpaper it recompresses the file or is the file created with high compression ratios by display fusion?


Displayfusion creates very lossy JPG files and stores them at C:\Users\$username\AppData\Roaming\DisplayFusion ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#4 Sun, 03 Mar 2013 22:13:23 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#4 DisplayFusion thanks for the replies!

Does that mean that you have to build your wallpapers in an image editor (I'm using 1 image for each screen) and then replace the one created by display fusion with the one created by you with the same name and extension but saved as bmp? damn... :(
Now let's see if i'm seeing the issue... Is the file created by display fusion ok and when Windows applies the wallpaper it recompresses the file or is the file created with high compression ratios by display fusion?

Cheers! ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#3 Fri, 01 Mar 2013 15:27:45 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#3 DisplayFusion I actually pointed this out 3 months ago (see http://www.displayfusion.com/Discussions/View/jpeg-artifacts-on-wallpapers/?ID=979b0bba-da8c-4ae8-877d-750196805d67) but sadly it's still using jpgs so I have to set my wallpapers manually.
You can prevent windows from automatically compressing wallpapers by saving them as bitmap with a .jpg extension (PNG won't work). ]]> RE: PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#2 Mon, 25 Feb 2013 20:30:06 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f#2 DisplayFusion We've actually tried to create the wallpaper as a lossless PNG instead of JPEG, but unfortunately it's Windows that's adding the compression after the fact :(

Sorry! ]]> PNG vs JPEG as wallpaper setting format https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f Fri, 22 Feb 2013 00:16:20 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/png-vs-jpeg-as-wallpaper-setting-format/?ID=51241bb6-e95d-4d00-a82b-36f439b9ad3f DisplayFusion Hello!

I've noticed some noise and artifacting in the wallpapers applied by Display Fusion (using v5.0) probably due to high JPEG compression settings, I have a dual monitor setup (1920x1080 + 1680x1050) and each screen has a different wallpaper, using Windows 8 Pro x64. Do you think that is is possible to add either a setting to change the JPEG compression level or use PNG format, as it is lossless instead?
The following picture is to evidence the situation.
http://img843.imageshack.us/img843/9302/dispfus.png


Cheers!

Kado ]]>