imagefill

(PHP 3, PHP 4, PHP 5)

imagefill -- Flood fill

Description

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.

Parameters

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()

Return Values

Returns TRUE on success or FALSE on failure.

Examples

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($im);
imagedestroy($im);
?>

The above example will output something similar to:

See Also

imagecolorallocate()