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How we can restrict to user not to upload images more than 45 kb on PDF using Javascript on adobe

Community Beginner ,
Sep 03, 2020 Sep 03, 2020

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Hello All,

 

I have to write a Java scrript to User not to upload Images for More than 45 kb. I have checked the Bible did not find anything related to images size Validation , Could you please help me with this.

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Acrobat SDK and JavaScript

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Community Expert ,
Sep 03, 2020 Sep 03, 2020

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You can check the size of the icon stream.

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Community Beginner ,
Sep 03, 2020 Sep 03, 2020

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I have used this method but it's giving same value for diffrent images 

var im1 = this.getField(event.target.name);
// get the icon for image 1
var icon1 = im1.buttonGetIcon();
try {
var iconStream1 = util.iconStreamFromIcon(icon1);
var dd= icon1.toSource().length

Is this not correct?

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Community Expert ,
Sep 03, 2020 Sep 03, 2020

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Check the size of iconStream1

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Community Beginner ,
Sep 03, 2020 Sep 03, 2020

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I did, it's showing "undefined "

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Community Expert ,
Sep 03, 2020 Sep 03, 2020

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How does you check the size?

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Community Expert ,
Sep 03, 2020 Sep 03, 2020

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You can't do it while they're selecting the image to prevent them from doing so. Maybe you can use an On Blur event on the button or the document's Will Save event to check the length of the icon stream, as mentioned, or even the file-size...

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