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#1 Posted : Wednesday, November 15, 2006 1:26:58 AM(UTC)
sosoprince

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How can i write the JPEGQtables, JPEGDCTable and JPEGACTable information to the tiff tag?
I am using Leadtools 14.5

 

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#2 Posted : Wednesday, November 15, 2006 4:25:54 AM(UTC)

Bashar  
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There are no methods in LEADTOOLS to set those properties.  This
is all done internally by LEADTOOLS when reading/writing JPEG image data from/to TIFF files.

 
#3 Posted : Wednesday, November 15, 2006 5:03:53 AM(UTC)
sosoprince

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But when i save the tiff image by using jpeg compression. This information was not in the tag ??

 
#4 Posted : Wednesday, November 15, 2006 5:41:47 AM(UTC)

Bashar  
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I'll check with development, but I need to know the exact tag
names.  I looked for JPEGQtables, JPEGDCTable and JPEGACTable in the TIFF spec. but didn't find them.

 
#5 Posted : Wednesday, November 15, 2006 5:51:09 AM(UTC)
sosoprince

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JPEGQtables(519), JPEGDCTable(520) and JPEGACTable(521) is the tag name in the TIFF 6.0 specification. The number is the tag id

Also can i know how to find out the fill order(266), strip offsets(273), rows per strip(278) as well?

I am using C# .Net 2003, Leadtools14.5 on my development.

I need it to work in a project urgently. Could you please help me to find it out ?
Thanks

 
#6 Posted : Wednesday, November 22, 2006 6:41:52 AM(UTC)

Bashar  
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I tried saving a TIFF JPEG file and checked the tags.  Those tags
were there.  What is the syntax you used to save the file?  Can you please post the resulting file you got?

Thanks,

 
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