Warning: all these deal with creation of images using GD and NOT with converting native GD images.... about which neither of two search engines produced any high-ranked references. But the GD site(s) note the emphasis on GD's native ability to output GIF, JPG, PNG, etc.
Google's first suggestion references a PHP-oriented GD manual which says "When using GD, please make sure of the following things: 1. The file that is used to manipulate images is saved as ANSI format and not UTF-8." What's you input?
Slighly more usefully, maybe, the author's site, http://www.boutell.com/gd/, offers "http://www.boutell.com/gd/" and, perhaps more importantly, the observation:
"If you're compiling stuff, you're doin' it wrong. See the gd FAQ for more information and please stop compiling things from source code if you don't need to."
Template-GD in CPAN also has some interesting and perhaps relevant comments.
If your real goal is production, rather than using GD, several documents cite an executable (for ??OS) called FLY as an alternative.
In reply to Re: About GD Image Data Output Methods
by ww
in thread About GD Image Data Output Methods [SOLVED]
by karlgoethebier
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