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Topic: Seeking beta testers
Conf: (P-PDF) Developers, Msg: 34476
From: dkelly
Date: 2/9/2002 06:48 AM

Apago has developed a standalone utility for optimizing images within a PDF file. This tool can subsample and compress any image within a PDF file leaving all other elements unmodified. The functionality is similar to our Acrobat plug-in imageAlter. However, this new program doesn't require Acrobat at all. It was designed to run in a server environment. Currently supported platforms include Windows, Linux, Sun Solaris and SGI Irix. This is a developer's tool and doesn't have a graphical user interface.

Anyone interested can send me an email at

Dwight Kelly

The parameters are identical to Adobe Distiller's parameters. All PDF 1.3 compression types are supported (none, Flate, LZW, RLE, G3, G4, JPEG).

DownsampleColorImages = true
EncodeColorImages = true
ColorImageDownsampleType = Bicubic
ColorImageDownsampleThreshold = 1.5
ColorImageFilter = DCTEncode
ColorImageJPEGQuality = 80
ColorImageResolution = 72.0

EncodeGrayImages = true
DownsampleGrayImages = true
GrayImageDownsampleType = Bicubic
GrayImageDownsampleThreshold = 1.5
GrayImageFilter = DCTEncode
GrayImageJPEGQuality = 80
GrayImageResolution = 72.0

EncodeMonoImages = true
DownsampleMonoImages = true
MonoImageDownsampleThreshold = 1.5
MonoImageDownsampleType = Subsample
MonoImageFilter = FlateEncode
MonoImageResolution = 300.0

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