PHP. Руководство по PHP. 2005
imagecolorclosestalpha
imagecolorclosestalpha
(PHP 4>= 4.0.6, PHP 5)imagecolorclosestalpha -- Get the index of the closest color to the specified color + alpha
Description
int imagecolorclosestalpha (resource image, int red, int green, int blue, int alpha)Returns the index of the color in the palette of the image which is "closest" to the specified RGB value and alpha level.
Замечание: Эта функция нуждается в GD версии 2.0.1 или выше.
