Resize halo

Ideas for improvements and requests for new features in XnView Classic

Moderators: XnTriq, xnview

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XnTriq
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Posts: 4999
Joined: Sun Sep 25, 2005 3:00 am
Location: Ref Desk

Resize halo

Postby XnTriq » Wed Jan 04, 2017 2:00 pm

<!--// This is in continuation of “Reducing Halo Effect in Rescaled/Resized Images” //-->

Although PhotoFiltre uses GFL SDK, it does a better job at resizing certain RGBA images than XnView.

Test images:

1.png
1.png (7.96 KiB) Viewed 1336 times
1_Alpha.png
1_Alpha.png (16.77 KiB) Viewed 1336 times

2.png
2.png (5.89 KiB) Viewed 1336 times
2_Alpha.png
2_Alpha.png (16.57 KiB) Viewed 1336 times


Resized to 50% with XnView v2.39:

  1. Nearest Neighbour
  2. Bilinear
  3. Hermite
  4. Gaussian
  5. Bell
  6. Bspline
  7. Mitchell
  8. Lanczos
  9. Hanning
  10. Cubic

1_XnView.png
1_XnView.png (Click on preview for full resolution!)

2_XnView.png
2_XnView.png (Click on preview for full resolution!)


Resized to 50% with PhotoFiltre v7.2.1 (Lanczos):

1_PhotoFiltre.png
1_PhotoFiltre.png (3.21 KiB) Viewed 1336 times

2_PhotoFiltre.png
2_PhotoFiltre.png (6.12 KiB) Viewed 1336 times


Is there a way to make (all versions of) XnView use the same method as PhotoFiltre?

User avatar
XnTriq
Moderator & Librarian
Posts: 4999
Joined: Sun Sep 25, 2005 3:00 am
Location: Ref Desk

Re: Resize halo

Postby XnTriq » Thu Apr 27, 2017 2:00 am

XnView v2.39 vs. v2.40 bilinear resize 25% 8-)
Attachments
p142082.gif
p142082.gif (33.06 KiB) Viewed 153 times


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