Dear Friends,

I have a PDF with an image and the image dictionary is 
------------------------------------------------------------------------
------------------
7 0 obj
<<
/Type /XObject
/Subtype /Image
/Width 108
/Height 96
/BitsPerComponent 8
/ColorSpace 11 0 R
/Length 3715
/Filter /DCTDecode
>>
stream
ÿØÿî.........
Endstraem
------------------------------------------------------------------------
------------------



I have converted this PDF into SVG using mattercast and the image tag
look like the following.
------------------------------------------------------------------------
------------------
<g transform="matrix(0.0000 -108.0025 -95.0422 0.0000 560.9800
563.2600)">
<image height="1" width="1"
xlink:href="ST-016-Vertical-RightAddress_0001_000.jpg" />
</g>
------------------------------------------------------------------------
------------------


and then I convert back to PDF (SVG to PDF) using Batik project.  In the
new PDF I got the following image dictionary.

------------------------------------------------------------------------
------------------
7 0 obj
<</Type /XObject
/Subtype /Image
/Name /Im1
/Length 279937
/Width 324
/Height 288
/BitsPerComponent 8
/ColorSpace /DeviceRGB
/Mask [255 255 255 255 255 255]
>>
stream
ÐÙàÐÙàÐÙ....
Endstraem
------------------------------------------------------------------------
------------------

Q1) Why Batik is introducing Mask tag when it converts the SVG into PDF?

Q2) Also I noticed that the width and height are tripled, but visually
looks exactly same.
I have printed the PDFs and no difference in width and height.

Any idea?

Thanks
Shan












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