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I'm trying to determine if a pdf has layers (I'm very new to Javascript and this API). Below is the function that I've written for this:
var check_flat = function()
{
for(var page = 0; page < this.numPages; page++){
var ocgArray = this.getOCGs(page);
if(ocgArray != null){
console.println(page + " has layers");
} else{
console.println("no layers on this page");
}
}
};
When I try this on a pdf that I'm certain has layers, I only get 'no layers on this page'. Your help is very much appreciated!
You are mistaken. They are form fields or comments (annotations).
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The code looks fine. Are you sure the file actually has layers?
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Thanks for the reply. I've tried with text buttons, comments, and e-signatures. Am I correct in thinking that these are in their own layers or am I mistaken?
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You are mistaken. They are form fields or comments (annotations).
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Unlike in an InDesign document, in an Acrobat PDF form fields are not attached to a layer, they are floating above layers.