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Rockonmetal
09-16-2007, 11:05 PM
I know its really stupid but I'm so bored lol...
Heres what I got:

PNG


IHDR  d J sBIT|d pHYs  ~ tEXtSoftware Adobe FireworksON tEXtCreation Time 08/28/07 "G+ tEXtXML:com.adobe.xmp <?xpacket begin=" " id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 4.1-c034 46.272976, Sat Jan 27 2007 22:37:37 ">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
xmlns:xap="http://ns.adobe.com/xap/1.0/">
<xap:CreatorTool>Adobe Fireworks CS3</xap:CreatorTool>
<xap:CreateDate>2007-08-28T22:47:25Z</xap:CreateDate>
<xap:ModifyDate>2007-08-28T23:53:57Z</xap:ModifyDate>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:format>image/png</dc:format>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>


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It goes on like that for some 179770 characters more... lol

techno_race
09-17-2007, 12:28 AM
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 4.1-c034 46.272976, Sat Jan 27 2007 22:37:37 ">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
xmlns:xap="http://ns.adobe.com/xap/1.0/">
<xap:CreatorTool>Adobe Fireworks CS3</xap:CreatorTool>
<xap:CreateDate>2007-08-28T22:47:25Z</xap:CreateDate>
<xap:ModifyDate>2007-08-28T23:53:57Z</xap:ModifyDate>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:format>image/png</dc:format>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
!? XML???????? :confused:
(me didn't know pngs contain xml)

djr33
09-17-2007, 01:38 AM
Very little of the header (all that "xml", as you say) really matters, though I'm not sure what would be needed for a valid image.

The rest is just character-representation of bytes that make up the image. You could change them, but with no idea what they do, you'd have no idea how to control any changes, and you would likely change a component that would add up incorrectly, corrupting the image. Additionally, notepad can fail to support some of the needed characters for images like that, as they use full 256 'characters' to represent an image.

You can edit anything in notepad, though it will crash at times. I loaded my 50mb mysql backup in there. It died. And that's just text. Movies can be interesting as well.

Once in a while you can get something useful from a corrupt file, especially if it was partly generated from text, like a MS Word doc. It has at least SOME reasonable characters in it.

Rockonmetal
09-17-2007, 01:47 AM
yeah... lol but still i'm gonna mess with it tomorrow and see if i can make my own image... woot!

techno_race
09-17-2007, 02:14 AM
I don't think that'll work. :p

djr33
09-17-2007, 02:41 AM
It would be more likely that you could determine something of the pattern then create an image generator of some sort, using random numbers within acceptable ranges as the characters (ordinal values of the characters from the numbers, that is).
However, that's fairly complex :p

Rockonmetal
09-17-2007, 03:13 AM
Yeah, thats actually not that bad of an idea... thanks! I COULD MAKE MILLIONS!!!!!!!!!!!!!!!! lol jk