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imagecolorexact

imagecolorexact

(PHP 3, PHP 4, PHP 5)

imagecolorexact -- Get the index of the specified color

Popis

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

Returns the index of the specified color in the palette of the image.

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.

Seznam parametrů

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

Návratové hodnoty

Returns the index of the specified color in the palette, or -1 if the color does not exist.