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Topic: Image Extraction (CMYK - JPEG)
Conf: (P-PDF) Developers, Msg: 51049
From: skajan
Date: 5/29/2002 04:42 PM

Hi Genies

I am trying to extract the images from a pdf file programmatically, which is
using DCTDCODE filter. It is working fine for the Colorspace-CALRGB image.
But the problem is with colorspace - DeviceCMYK (I am getting a black, like
negative image).

The one not working after extraction.
/***************************************************************************
**************/
/Type /XObject
/Subtype /Image
/Width 641
/Height 909
/BitsPerComponent 8
/ColorSpace /DeviceCMYK
/Length 78514
/Filter /DCTDecode
>>
stream
compressed image data
endstream

/***************************************************************************
**************/



The one, is working after the extraction.
/***************************************************************************
**************/
6 0 obj
<<
/Type /XObject
/Subtype /Image
/Width 1331
/Height 1882
/BitsPerComponent 8
/ColorSpace 12 0 R
/Length 69389
/Filter /DCTDecode
>>
stream
compressed image data
endstream
endobj


12 0 obj
[/CalRGB <<
/WhitePoint [0.9505 1 1.089]
/Gamma [2.22222 2.22222 2.22222]
/Matrix [0.4124 0.2126 0.0193 0.3576 0.7152 0.1192 0.1805 0.0722 0.9505]
>>
/***************************************************************************
**************/

Someone please help me, i don't know where i am making mistake !!!!

Thanks in advance
Shan





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