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Image is not apply AntiAlias

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Valentine
Posts: 70
Joined: June 30th, 2011, 11:01 am
Location: Daegu, South Korea

Image is not apply AntiAlias

Post by Valentine »

Please show my topic : http://rainmeter.net/forum/viewtopic.php?f=103&t=10461

Image with W= and H= is not apply AntiAlias in beta r1071, too

When i Use version 2.1, It has no problem.

Is it solved on next beta?
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jsmorley
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Joined: April 19th, 2009, 11:02 pm
Location: Fort Hunt, Virginia, USA

Re: Image is not apply AntiAlias

Post by jsmorley »

There is no change to how images are handled in the latest beta due out today. In general, Antialias IS applied to images when W and H are used, although the difference in many cases is very subtle. However, as has been stated before, you are really much better off to resize images in a tool like Photoshop or Gimp rather than shrinking a 256x256 .png image to 64x64 or 32x32 using Rainmeter. The GDI+ routines that are handling the resizing and display of .png images are just terrible at dealing with the edges of transparent areas (well, edges in general) when you do radical shrinking, antialias or not...

This is something we have discussed and are looking for a better solution for the future, but as of now, resizing a .jpg any way you want seems to work fairly well, but resizing things like icons or other .png images with transparent backgrounds is problematic when you go from fairly big to fairly small. The quality is just awful, and you are much better off to resize them outside of Rainmeter first.
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jsmorley
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Posts: 22745
Joined: April 19th, 2009, 11:02 pm
Location: Fort Hunt, Virginia, USA

Re: Image is not apply AntiAlias

Post by jsmorley »

Top row resized with Rainmeter from 128 to 64 to 32 to 16. AntiAlias=1
Bottom row resized as separate images with PhotoZoom Pro, also from 128 to 64 to 32 to 16. AntiAlias=0
12-4-2011 10-56-01 AM.jpg
Zoomed in version to better show the difference...
12-4-2011 10-54-54 AM.jpg
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