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imagefilledpolygon
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imagefilledpolygon

(PHP 3, PHP 4, PHP 5)

imagefilledpolygon -- Draw a filled polygon

Description

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

imagefilledpolygon() creates a filled polygon in image image.

points is an array containing the x and y co-ordinates of the polygons vertices consecutively.

The parameter num_points is the total number of vertices, which must be larger than 3.

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)
            240, 20,  // Point 4 (x, y)
            50,  40,  // Point 5 (x, y)
            10,  10   // Point 6 (x, y)
            );

// create image
$image = imagecreate(250, 250);

// some colors
$bg   = imagecolorallocate($image, 200, 200, 200);
$blue = imagecolorallocate($image, 0, 0, 255);

// draw a polygon
imagefilledpolygon($image, $values, 6, $blue);

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

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