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10.7: Optimizing annotated signature for Preview files
Authored by: vsilves on Aug 04, '11 07:50:43PM

Lion's Preview does not simply take a picture of the signed paper you put in front of the FaceTime camera. Rather, it performs some kind of real time image processing that results in a nicely extracted signature with transparent background and well defined signature lines. It generates a much better signature than I had scanned manually before Lion and it took me a fraction of the time with Lion. I was also able to show my coworkers how to use this feature, something that was impossible for me before Lion...

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10.7: Optimizing annotated signature for Preview files
Authored by: MtnBiker on Aug 06, '11 07:38:55AM

I've been using a signature for years to paste into documents. Created transparent background in Photoshop and saved as a png. But can the binary blob be created from my existing sig?

For example, I don't write many checks and run out of deposit slips, so I created a file with "Please deposit in the acct. of xx and the account no." and then the signature. Run the check through my printer and put in an envelope. My handwriting is bad and there's the possibility of illegible account nos. Also fill in scanned forms and paste in sig. and email since I don't have a FAX.

Hermosa Beach, CA USA

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10.7: Optimizing annotated signature for Preview files
Authored by: sipatel on Aug 11, '11 04:32:18AM

I have two signatures, a short one and a long one, and both are at 45 to the top/bottom paper edges.

I've been using both signatures for my documents for 10+ years -- scanned them in, resized in Photoshop and saved as TIFF. As most of my documents requiring a signature are produced in DTP applications, it's easy to just insert and export the document to a PDF. Pages is now my default for letter writing and works just as well.

Signatures in Preview can also be captured under the Annotations menu with open documents, but works only with built-in iSight cameras. I use a Mac Pro with a Creative HD webcam, and although the Preview > Preferences > method opens a scanning window, the quality is very poor.

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