imagefill

(PHP 3, PHP 4, PHP 5)

imagefill -- Flood fill

Beskrivelse

bool imagefill ( resource image, int x, int y, int color )

Performs a flood fill starting at the given coordinate (top left is 0, 0) with the given color in the image.

Parameterliste

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

x

x-coordinate of start point

y

y-coordinate of start point

color

The fill color. A color identifier created with imagecolorallocate()

Returneringsværdier

Returnerer TRUE ved succes, FALSE ved fejl.

Eksempler

Eksempel 1. imagefill() example

<?php

$im
= imagecreatetruecolor(100, 100);

// sets background to red
$red = imagecolorallocate($im, 255, 0, 0);
imagefill($im, 0, 0, $red);

header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>

Ovenstående eksempel vil udskrive noget der ligner:

Se også

imagecolorallocate()