Manuale PHP
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imagefill

(PHP 3, PHP 4, PHP 5)

imagefill -- Flood fill

Descrizione

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.

Elenco dei parametri

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()

Valori restituiti

Restituisce TRUE in caso di successo, FALSE in caso di fallimento.

Esempi

Esempio 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);
?>

Vedere anche:

imagecolorallocate()



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