PHP. Руководство по PHP. 2005
imagecolorresolvealpha
imagecolorresolvealpha
(PHP 4>= 4.0.6, PHP 5)imagecolorresolvealpha -- Get the index of the specified color + alpha or its closest possible alternative
Description
int imagecolorresolvealpha (resource image, int red, int green, int blue, int alpha)This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.
Замечание: Эта функция нуждается в GD версии 2.0.1 или выше.
