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Re^7: About GD Image Data Output Methodsby BrowserUk (Pope)
|on Jun 07, 2015 at 21:27 UTC||Need Help??|
some explanations about how your code works.
Both formats are very simple, uncompressed files, with almost the same data format; which makes conversion simpler.
I detailed the gd format header in Re: About GD Image Data Output Methods.
I used this for the bmp format details.
Hopefully these comments will explain the rest.
Of course, the code is crude as .bmps have a multitude of other possibilities, and (as you've seen) I don't even check for truecolor .v. palette in the gd format; but the intention was to give you something that did the job, not duplicate the functionality of image conversion software.
It wouldn't be too hard to handle palette images; but I don't think it is necessary for your purpose.
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