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Difference in size of the image when displayed in two different ways
  1. Issue
  2.  BLOB
  3.  PowerBuilder (Appeon)
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  1. Sivaprakash BKR
  2. PowerBuilder
  3. Friday, 4 February 2022 06:31 AM UTC

Hello,

PB 2019 R3, PostgreSQL 11

Got blob data in one of our tables where images are stored, which we are showing in two different ways.   The output looks different in the display size.   Why?

Left hand side:   which is a picture column [ Insert -> Control -> Picture ].  Read the blob data using selectblob write to an external file, assign the pathname to the picture control.

Right hand size:  Table blob column [ Insert -> Control -> Table Blob ].  

The issue is size.   The data stored in the blob is in 1170 x 1500 pixels.  The width and height in the corresponding data window are the same.   We tried resizing the width and height of the Table blob control.  No change.

We are in the process of converting the picture control to Table blob control, to avoid storing the data (again) in an external file.   Since it's a photo of students which, if resized, doesn't look good.  

Is there any reason why it's gets resized when showing as Table blob control?   Any solution?

Happiness Always
BKR Sivaprakash

 

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