title: Does PNG contain EXIF data like JPG?
body: <p>I was wondering if PNG contains data like the following?</p>
  
  <p>What I did was to convert the jpg file to png format, and I was expecting to retrieve the same info I had on the jpg as below:</p>
  
  <p><em>Currently using this <a href="http://code.google.com/p/as3-xmp-file/">as3 library</a> to read the data.</em></p>
  
  <ul>
  <li>IDF0--- IDF @[134 - 248] (9 entries)
  <ul>
  <li>Orientation (SHORT) : 1  </li>
  <li>XResolution (RATIONAL) : 72/1    </li>
  <li>YResolution (RATIONAL) : 72/1</li>
  <li>ResolutionUnit (SHORT) : 2   </li>
  <li>Software (ASCIIx16) : QuickTime 7.6.6    </li>
  <li>DateTime (ASCIIx20)  : 2011:10:02 22:43:37   </li>
  <li>HostComputer (ASCIIx16)  : Mac OS X 10.6.8</li>
  <li>Exif IFD (LONG) : 8  34853   </li>
  <li>GPS IFD (LONG) : 248</li>
  </ul></li>
  </ul>
  
  <p>&nbsp;</p>
  
  <ul>
  <li>EXIF IDF--- IDF @[8 - 134](10 entries)
  <ul>
  <li>ExifVersion (UNDEFINEDx4) : 0220</li>
  <li>DateTimeOrigina (ASCIIx20)  : 2011:04:14 17:22:01</li>
  <li>UserComment (UNDEFINEDx63)  : ASCII</li>
  <li>FlashpixVersion (UNDEFINEDx4) : 0100</li>
  <li>ColorSpace (SHORT) : 1</li>
  <li>PixelXDimension (LONG) : 1022</li>
  <li>PixelYDimension (LONG) : 486</li>
  <li>Unknown (ASCIIx13)  : Image Tag-LOL</li>
  <li>SceneCaptureType (SHORT) : 0</li>
  </ul></li>
  </ul>
  
  <p>&nbsp;</p>
  
  <ul>
  <li>GPS IDF--- IDF @[248 - 338](7 entries)
  <ul>
  <li>Interoperability Index (ASCIIx2) : N</li>
  <li>Interoperability Version (RATIONALx3)  @425: 52/1, 1144/100, 0/1</li>
  <li>Unknown (ASCIIx2) : W</li>
  <li>Unknown (RATIONALx3)  : 1/1, 4392/100, 0/1</li>
  <li>Unknown (RATIONAL)  : 5/1</li>
  <li>Unknown (ASCIIx2) : T</li>
  <li>Unknown (RATIONAL)  : 3694/117</li>
  </ul></li>
  </ul>
  
  <p>&nbsp;</p>