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#1 Posted : Monday, August 16, 2010 5:24:01 AM(UTC)

copper  
copper

Groups: Registered
Posts: 3


Using VB.NET how can I save a RasterImage as a JPEG Progressive 444 encoded image? Which of the RasterImageFormat enumerations corresponds to this encoding?

I don't see it listed in this table: http://www.leadtools.com...egandleadcompressed.html
 

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#2 Posted : Monday, August 16, 2010 10:26:37 PM(UTC)
Maen Hasan

Groups: Registered, Tech Support
Posts: 1,328

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If you are using our LEADTOOLS .NET classes, you can control how JPEG is saved using the RasterCodecs.Options.Jpeg.Save.Passes property. If you set it to any positive number > 1 before calling RasterCodecs.Save, the resulting JPEG will be progressive.
This is explained in these help topics:
http://www.leadtools.com/help/leadtools/v16/dh/co/leadtools.codecs~leadtools.codecs.codecsjpegsaveoptions~passes.html

http://www.leadtools.com/Help/LEADTOOLS/v16/DH/to/Leadtools.Topics~Leadtools.Topics.ControllingProgressiveLoadsAndSaves.html

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
#3 Posted : Tuesday, August 17, 2010 3:51:27 AM(UTC)

copper  
copper

Groups: Registered
Posts: 3


Thank you for the reply Maen.

You have answered part of my question.

The other part was which RasterImageFormat enumeration corresponds to the JPEG444 encoding?

I see JPEG411 and JPEG422 but which one corresponds to JPEG444?
 
#4 Posted : Tuesday, August 17, 2010 11:09:44 PM(UTC)
Maen Hasan

Groups: Registered, Tech Support
Posts: 1,328

Was thanked: 1 time(s) in 1 post(s)

To save JPEG444, you need to use the RasterImageFormat.Jpeg member.

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
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