imagecolorresolve

Manuál PHP
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imagecolorresolve

(PHP 3 >= 3.0.2, PHP 4, PHP 5)

imagecolorresolve -- Get the index of the specified color or its closest possible alternative

Popis

int imagecolorresolve ( resource image, int red, int green, int blue )

This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.

If you created the image from a file, only colors used in the image are resolved. Colors present only in the pallete are not resolved.

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

Returns a color index.

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