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Image Capture Scripting - what is it doing to my images?
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Image Capture Scripting - what is it doing to my images?


  • Subject: Image Capture Scripting - what is it doing to my images?
  • From: Nicholas Macias <email@hidden>
  • Date: Sun, 7 Oct 2001 11:30:42 -0700

First of all, hello. I'm relatively new to AS but very excited about its potential.

PROBLEM: Image Capture Scripting under OS X 10.1 is apparently modifying my images more than I ask. I'll give some background first.

I am writing a toolbar script that will create 128x128 thumbnail preview icons for images in the current Finder window. I figured out that Image Capture does this to anything it touches, so my strategy was to use it instead of a full-blown GUI application like Graphic Converter (which also makes distribution simpler, as it is built-in).

What I've come up against is that simply opening and then saving an image with ICS in a script whites-out the image. If you do not apply any transformations, you lose your image. So I resorted to "scale by a factor of 1" or "rotate by 0" -- harmless operations that don't take significant time. It worked, and the thumbnails get created (yay!). The Finder wasn't showing the new icons until it was force-quit, but I figured out quickly to send the working folder an "update" command.

Anyway, I was pretty happy with myself, but then noticed that my image was now 220kb, down from 500kb. The quality appears the same but it is obviously not wholly intact (half the size!). Am I losing image quality or just bloat? I don't want to distribute this script (freely) if it is going to "damage" someone's photos.

Is there a program I can use to compare the images?

and

Can anyone "in the know" tell me what ICS does to images it processes? Will it only handle RGB images, or will it work for CYMK TIFFs? Will it strip out profile information? Does it mangle the image in any other way?

Thank you!

Nicholas Macias
Director of Technology, Interactive
http://www.akaeurorscg.com/


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