imagefill

(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

     

 

 
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