imagecolorclosestalpha

Get the index of the closest color to the specified color + alpha (PHP 4 >= 4.0.6, PHP 5)
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.

image: An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
red: Value of red component
green: Value of green component
blue: Value of blue component
alpha: A value between 0 and 127. 0 indicates completely opaque while 127 indicates completely transparent.

The colors parameters are integers between 0 and 255 or hexadecimals between 0x00 and 0xFF.

Returns the index of the closest color in the palette.

Note:

This function requires GD 2.0.1 or later (2.0.28 or later is recommended).

<< imagecolorclosest	Main : Function Reference : Image Functions : imagecolorclosestalpha	imagecolorclosesthwb >>
Javascript debugger Website design