How to do Nudge Operations in LeadTools HTML Document Viewer?

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#1 Posted : Wednesday, September 30, 2020 9:49:17 AM(UTC)

Abdul Rahman

Groups: Registered
Posts: 60

Dear Team,

I came across the following document comparer link - https://demo.leadtools.c...entComparison/index.html

I noticed a Nudge operations on the right side of the screen. Please can you brief more on what is Nudge and how to do this in HTML5 JavaScript Document Viewer with an example code? Also any reference on how to change the Font Size, Font Color of the text in Document loaded in HTML5 JavaScript Document Viewer?

Thanks,
Abdul Rahman


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#2 Posted : Wednesday, September 30, 2020 3:42:54 PM(UTC)

Hadi

Groups: Manager, Tech Support, Administrators
Posts: 218

Was thanked: 12 time(s) in 12 post(s)

Hello,

The nudge functionality is included in the DocumentCompareDemo code here:

C:\LEADTOOLS21\Examples\JS\DocumentViewerDemos\DocumentCompareDemo\src\managers\RasterManager.ts

Code:

   private moveUp = (item: lt.Controls.ImageViewerItem) => {
      item.offsetBy(lt.LeadPointD.create(0, this.nudgeThreshold * -1));
   }

   private moveDown = (item: lt.Controls.ImageViewerItem) => {
      item.offsetBy(lt.LeadPointD.create(0, this.nudgeThreshold));
   }

   private moveLeft = (item: lt.Controls.ImageViewerItem) => {
      item.offsetBy(lt.LeadPointD.create(this.nudgeThreshold * -1, 0));
   }

   private moveRight = (item: lt.Controls.ImageViewerItem) => {
      item.offsetBy(lt.LeadPointD.create(this.nudgeThreshold, 0));
   }

Can you go into more detail about the second question? Are you wanting to edit the font of a document once it's loaded? I'm not sure I understand what you are needing

Hadi Chami
Developer Support Manager
LEAD Technologies, Inc.

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