[thelist] images - dropshadows & diagonal lines

Bob Meetin ontheroad at frii.com
Fri Apr 6 18:04:58 CDT 2007

I haven't figured out how to get anti-alias to work in GIMP but yes in 
Photoshop.  Also regarding the other question I have a gorgeous 
dropshadow (IMHO) having saved as a JPG.  Thanks Mark & Stephen. 

Demo page updated at www.dottedi.biz/codesamples/images.html

Stephen Rider wrote:
>> 2) What is the technique the take an image, rotate it a couple degrees
>> left or right, then resave and get a reasonably good looking image
>> without jagged edges where the pixels break up?  Something to do with
>> anti-aliasing?
> There are ways to do this with PNGs and alpha-transparencies, but  
> somebody else will have to help you out with that, as IE doesn't  
> handle it well....
> To do an anti-aliased GIF:
> You basically have to know ahead of time what the background color is  
> going to be.  In Photoshop, put a layer behind your image that is the  
> color (at least close to) that the background will be on the site.   
> Rotate your image the way you want.  Now, select the magic wand  
> selector tool.  Set tolerance to zero and check "use all layers".   
> Click on the background, then select Delete in the Edit menu.  The  
> background area should now be transparent.
> "Save for Web" as a GIF with transparency.  You should be all set.
> Stephen Rider

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