Naz B wrote:
> 1) What do you mean by "parse the content stream"?

Look for examples that use classes in the
com.itextpdf.text.pdf.parser package.

> 2) So, it is in fact possible to calculate the DPI of images using 
> iText?

If you can extract the image, you know the size of the image in pixels.
If you can parse the content stream and get the resulting CTM,
then you can get the size of the image on a page.

If you have the size in pixels and the size on the page,
then you can calculate the DPI.

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