Viewing a BLOB Data (Including Compressed Data) in Classic Report APEX 3.2

Question

Hi All,
I have a table with a BLOB field.
That blob field is containing image with .tiff format.
I need to display those images in APEX 3.2 Classic Report.
Am able to achieve this by following the instructions in the below link.
http://st-curriculum.oracle.com/obe/db/apex/r31/apex31nf/apex31blob.htm#t4
Now my problem is, Some of the image in my table is in compressed format.
So those images are not displaying in the report, rather it is giving a message called 'No Preview Available'.
How can i extract those images and display in the Classic Report.
Please help me to achieve this.
Thanks & Regards,
Sakthi.

Answer 1

What kind of compression are we talking about here ?
<li>If its some kind of native image compression methods, then you could try the ORDImage utlity, here's a thread which discusses that : {thread:id=1048248}
If its compressed using zip or some file compression utility, you may need to load the java code(into the DB) that can uncompress it for you and then call it from procedure which then uncompress'es it(using java class) and then send it back as an image(programmatic way way of showing images in apex).
There posts should be of assistance
<li>Extract XML from docx . Forget the post title , this post has some code which uncompresses a zip file in the database(ignore the rest of the post, if irrelevant).
<li>Another posting about the same requirement, but with code for unzipping which you can adapt
<li>If you are not in a hurry, this Oracle-Sun Java documentation explains the whole process of compression/uncompression with code that you can process within the database(from PLSQL using java wrapper)
<li>The simplest is the PLSQL Package UTL_COMPRESS utility (also ) , which wouldn't need any extra coding for compressing/uncompressing binary data.this<a/>) , which wouldn't need any extra coding for compressing/uncompressing binary data.