imagesavealpha
(PHP 4 >= 4.3.2, PHP 5)imagesavealpha --
Set the flag to save full alpha channel information (as opposed to
single-color transparency) when saving PNG images
- imagesavealpha() sets the flag to attempt to save
full alpha channel information (as opposed to single-color transparency)
when saving PNG images.
- You have to unset alphablending
(imagealphablending($im, FALSE )), to use it.
- Alpha channel is not supported by all browsers, if you have problem with
your browser, try to load your script with an alpha channel compliant
browser, e.g. latest Mozilla.
Замечание: Эта функция нуждается в GD версии 2.0.1 или выше.
- See also imagealphablending().
imagerotate
imagesetbrush 22222