[Lazarus] Extract the color data and alpha from a PNG image

[silvioprog]

2013/2/7 José Mejuto <joshyfun at gmail.com>

> El 05/02/2013 23:49, silvioprog escribió:
>
>  You have puted a PNG image into a PDF? That's what I'm trying to do, and
>> it needs of the uncompressed data too (or compressed as gzip).
>>
>
> Hello,
>
> The attached code do more or less the same as the fpdf.php one. It can be
> written in a very different way but I tried to be more modular to acomodate
> in a future the indexed palettes and transparencies over palettes, and also
> allow an easy data to real RGB (after filtering) conversion.


Hello José, thanks for your answer. Your code is very good, and I I'll
analyze it carefully. I'll send a feedback after that assimilating it

Thank you very much again!

-- 
Silvio Clécio
My public projects - github.com/silvioprog
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