Retrieving metadata from an image file

[mdvoid]

Hello all, I'm very new here and I wonder if you can help me with this.

I need to get the metadata from an image file, the basic data like Image Type, Image Width,ColorModel, I already found out how to get but there are some that i dont have a clue how to retrieve:

Pixels Depth/Colors , Creation Software (for example Adobe Illustrator ) and ImageResolution (in pixels/dots per inch)

This is my first post, hope someone can give me a hand. Thanks in advance!

[iDad]

If you have a file without Metadata daved to it,it is gone unless you have the original file somewhere