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Image Mask

Jarwi6

Member
Does anyone know what an image mask is? I was supplied a pdf from a customer that has a bar code placed in it. When I print it to a Xerox Docucolor the code is all distorted. The original was created in Quark and then Distilled thru Acrobat 9. I will attach the file.
Thanks!
 

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  • Back cover.pdf
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Do you have the original?
The "image mask" that is the barcode is in fact an image. It not an actual vector barcode, but an image of one.
Either Quark has mucked it up, or the original was not a vector barcode and the Quark mask has got it to where you can't edit it with the object touch up tool in Acrobat. Pitstop doesn't tell you much about it either, other than it's an image mask. I've tried releasing the mask to get to the image itself, but no joy.
I would go back to the originating app and check the placed file to further investigate why this is happening.
 
Image Mask

We are so over the Xerox Rips for digital. We have much better luck Ripping files in Rampage, then exporting a 600dpi PDF Image that we run on our Xerox.

The extra step gives us more control over the transparancy and the files then can be imaged for plates as well. Yes we had that happen once or twice. Rip once Plot many I say.
 
An image mask is like an opacity mask in Illustrator. A coloured tiff, will usually be constructed in that way, as a bitmap or greyscale that masks a rectangle filled with a colour or a gradient.
(this is the reason you can colour a bitmap/grey scale in InDesign or Quark)
 

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