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PHP

Draw a filled polygon


imagefilledpolygon

(PHP 4, PHP 5)

imagefilledpolygonDraw a filled polygon

Description

bool imagefilledpolygon ( resource $image , array $points , int $num_points , int $color )

imagefilledpolygon() creates a filled polygon in the given image.

Parameters

image

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

points

An array containing the x and y coordinates of the polygons vertices consecutively.

num_points

Total number of vertices, which must be at least 3.

color

A color identifier created with imagecolorallocate().

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 imagefilledpolygon() example

<?php
// set up array of points for polygon
$values = array(
            
40,  50,  // Point 1 (x, y)
            
20,  240// Point 2 (x, y)
            
60,  60,  // Point 3 (x, y)
            
24020,  // Point 4 (x, y)
            
50,  40,  // Point 5 (x, y)
            
10,  10   // Point 6 (x, y)
            
);

// create image
$image imagecreatetruecolor(250250);

// allocate colors
$bg   imagecolorallocate($image000);
$blue imagecolorallocate($image00255);

// fill the background
imagefilledrectangle($image00249249$bg);

// draw a polygon
imagefilledpolygon($image$values6$blue);

// flush image
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>

The above example will output something similar to:

output of example : imagefilledpolygon()



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