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  Permanently deleted user

  • 2017年11月24日 13:01

  Hi,

   

  You can connect FRPage of your document to ImageViewer, then add a region to this page with coordinates from database and this region will appear in the ImageViewer. You will be able to change the size of this region in ImageViewer and all the changes will be synchronized with your document. You can follow all the changes using OnMouseButtonUp event and update the database with new coordinates.

  いいえ 0 はい
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  Permanently deleted user

  • 2017年12月04日 10:10

  Hi,

  thank you for your answer.

   

  How to connect the FRPage object to the ImageViewer?

  I am using your sample "VisualComponents".

   

  Edit: I only know how to connect FRDocument object to ImageViewer using Synchronizer (setting the document property of Synchronizer object).

  いいえ 0 はい
• 

  Permanently deleted user

  • 2017年12月04日 11:29

  Using your Sample "Visual Components", I open a pdf and add a block programmatically, but the rectangle isn't drawed in the ImageViewer control.

  Here is how I do it:

   

      Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

   

          Dim Region As FREngine.Region = Engine.CreateRegion

          Region.AddRect(1975, 403, 1975 + 131, 403 + 41)

          Dim Block As FREngine.IBlock = document.Pages(0).Layout.AddBlock(FREngine.BlockTypeEnum.BT_Text, Region)

   

          Dim RP As FREngine.RecognizerParams = Engine.CreateRecognizerParams

          RP.TextLanguage = Engine.PredefinedLanguages.FindLanguage("German").TextLanguage

   

          Dim Textblock As FREngine.ITextBlock = Block.GetAsTextBlock

          Textblock.RecognizerParams = RP

   

           imageViewer.FRPage = document.Pages(0)

      End Sub

   

  The block coordinates are valid.

   

   

  いいえ 0 はい
• 

  Permanently deleted user

  • 2017年12月06日 09:42

  Solution: If the same FRPage is already connected to ImageViewer, you have to set the property to null before setting the FRPage (now with existing blocks) again.

  いいえ 0 はい

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