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imagefill

(PHP 4, PHP 5, PHP 7, PHP 8)

imagefill — Flood fill

Descrizione

imagefill(
    GdImage $image,
    int $x,
    int $y,
    int $color
): true

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

Una risorsa immagine, restituita da una delle funzioni di creazione immagine, come 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

Always returns true.

Log delle modifiche

Versione Descrizione
8.0.0 image expects a GdImage instance now; previously, a valid gd resource was expected.

Esempi

Example #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);
?>

Il precedente esempio visualizzerà qualcosa simile a:

Output of example : imagefill()

Vedere anche: