(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)
ImageColorClosest -- Get the index of the closest color to the specified color
Description
int imagecolorclosest (int im, int red, int green, int
blue)
Returns the index of the color in the palette of the image which is "closest" to the
specified RGB value.
The "distance" between the desired color and each color in the palette is calculated as if
the RGB values represented points in three-dimensional space.
See also imagecolorexact().
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