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Execute Javascript in Adobe acrobat pro, to select all page content and center it.

Community Beginner ,
Jun 18, 2020 Jun 18, 2020

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I have a two page document &, I want to use Action Wizard to center the page contents, using an Exectute Javascript command. Unfortunatelly I know nothing about Javascript, can anyone please help me with a script do do this?

 

All the information on the attached two page pdf is currently aligned to the top left, I cannot adjust how its printed to PDF because it is outputted via an ancient 16bit program.

 

Thanks, in advance for any help and advice!

John

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Acrobat SDK and JavaScript

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correct answers 3 Correct answers

Community Expert , Jun 18, 2020 Jun 18, 2020

While JS can't select or move (static) page contents, it can add white-space to a page by setting the page boxes to a different size (ie, cropping it). Try this code to add an half-inch white space to the left side of all the pages in the file (and take it off the right side):

 

 

for (var p=0; p<this.numPages; p++) {
	var pageBox = this.getPageBox("Crop", p);
	var pageWidth = pageBox[2]-pageBox[0];
	var pageHeight = pageBox[1]-pageBox[3];
	this.setPageBoxes("Crop", p, p, [-36, pageHeight, pageW
...

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Community Expert , Jun 19, 2020 Jun 19, 2020

Duplicate the setPageBoxes command, replacing "Crop" with the these strings:

Art
Bleed
Media
Trim

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Community Beginner , Jun 19, 2020 Jun 19, 2020

Thanks for your help again try67

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Community Expert ,
Jun 18, 2020 Jun 18, 2020

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Javascript can't select the objects.

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Community Beginner ,
Jun 18, 2020 Jun 18, 2020

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Oh, is there anyway I can achieve my goal, using the Action wizard, or Js?

 

I am having to make this process as simple as possible, for someone else to use.

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Community Expert ,
Jun 18, 2020 Jun 18, 2020

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While JS can't select or move (static) page contents, it can add white-space to a page by setting the page boxes to a different size (ie, cropping it). Try this code to add an half-inch white space to the left side of all the pages in the file (and take it off the right side):

 

 

for (var p=0; p<this.numPages; p++) {
	var pageBox = this.getPageBox("Crop", p);
	var pageWidth = pageBox[2]-pageBox[0];
	var pageHeight = pageBox[1]-pageBox[3];
	this.setPageBoxes("Crop", p, p, [-36, pageHeight, pageWidth-36, 0])
}

 

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Community Beginner ,
Jun 18, 2020 Jun 18, 2020

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Thanks for the help, that worked a treat!

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Community Beginner ,
Jun 19, 2020 Jun 19, 2020

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I was a little hasty & didn't spot an issue.

The pdf is 8.27 x 11.69in, but when I run the script it is 8.26 x 11.69in, which is fine, but when I save and reopen the pdf it is 7.96 x 11.44in. How do I maintain the correct page size, when I re-open the document ?

I modified try67's script slightly to:-

 

/* Re-position Dathan1 */
for (var p=0; p<this.numPages; p++) {
var pageBox = this.getPageBox("Crop", p);
var pageWidth = pageBox[2]-pageBox[0];
var pageHeight = pageBox[1]-pageBox[3];
this.setPageBoxes("Crop", p, p, [-22, pageHeight+18, pageWidth-22, +18])
}

Thanks in advance.

John

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Community Expert ,
Jun 19, 2020 Jun 19, 2020

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You might have to change the other page boxes, too, such as Trim, Art and Media.

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Community Beginner ,
Jun 19, 2020 Jun 19, 2020

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Hi try67 thanks for the quick reply.

I'm new to all this & know nothing about JS. How do I change the other page boxes?

I just tried changing the scripts "Page" to Media, Art & Trim, but that didn't work.

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Community Expert ,
Jun 19, 2020 Jun 19, 2020

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Duplicate the setPageBoxes command, replacing "Crop" with the these strings:

Art
Bleed
Media
Trim

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Community Beginner ,
Jun 19, 2020 Jun 19, 2020

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Thanks for your help again try67

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