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Flood fill to specific color


imagefilltoborder

(PHP 4, PHP 5)

imagefilltoborderFlood fill to specific color

Description

bool imagefilltoborder ( resource $image , int $x , int $y , int $border , int $color )

imagefilltoborder() performs a flood fill whose border color is defined by border. The starting point for the fill is x, y (top left is 0, 0) and the region is filled with color color.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

x

x-coordinate of start.

y

y-coordinate of start.

border

The border color. A color identifier created with imagecolorallocate().

color

The fill color. A color identifier created with imagecolorallocate().

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 Filling an ellipse with a color

<?php
// Create the image handle, set the background to white
$im imagecreatetruecolor(100100);
imagefilledrectangle($im00100100imagecolorallocate($im255255255));

// Draw an ellipse to fill with a black border
imageellipse($im50505050imagecolorallocate($im000));

// Set the border and fill colors
$border imagecolorallocate($im000);
$fill imagecolorallocate($im25500);

// Fill the selection
imagefilltoborder($im5050$border$fill);

// Output and free memory
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>

The above example will output something similar to:

output of example : filling an ellipse with a color



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