[libGD] #209 [Task opened] Certain PNG files corrupted on trivial export/import

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A new Flyspray task has been opened.  Details are below. 

User who did this - Daniel Norton (danorton2) 

Attached to Project - libGD
Summary - Certain PNG files corrupted on trivial export/import
Task Type - Bug Report
Category - Image Import/Export
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - High
Priority - Normal
Reported Version - 2.0.36RC1
Due in Version - Undecided
Due Date - Undecided
Details - The following PHP code corrupts a PNG image. I expect the image displayed to match the image when displayed directly from the URL. I have not been able to determine which PNG characteristics trigger the problem. I have attached a copy of the PNG.

<code><?php
header("Content-type: image/png");
imagepng(imagecreatefrompng("http://www.w3.org/Icons/Fuzzy/b-10-structure-t.png"));
?>
</code>
Incidentally, Imagick PHP exhibits this same problem.


More information can be found at the following URL:
http://bugs.libgd.org/?do=details&task_id=209

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