(PHP 4, PHP 5, PHP 7)
Flood fill
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().
Returns:
Returns TRUE on success or FALSE on failure.
Examples:
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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