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imagecolorresolve

imagecolorresolve

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

int **imagecolorresolve** GdImage $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.

gd.image.colors

redgd.value.red

greengd.value.green

bluegd.value.blue

Returns a color index.

Voorbeeld: Using to get colors from an image

<?php
// Load an image
$im = imagecreatefromgif('phplogo.gif');

// Get closest colors from the image
$colors = array();
$colors[] = imagecolorresolve($im, 255, 255, 255);
$colors[] = imagecolorresolve($im, 0, 0, 200);

// Output
print_r($colors);
?>

Array
(
    [0] => 89
    [1] => 85
)

imagecolorclosest

Vorige ← imagecolormatch Volgende imagecolorresolvealpha →

Documentatie