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Website Programming in PHP / MYSQL
imagefilledpolygon
(PHP 4, PHP 5)
imagefilledpolygon — Draw 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 bigger than 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)
240, 20, // Point 4 (x, y)
50, 40, // Point 5 (x, y)
10, 10 // Point 6 (x, y)
);
// create image
$image = imagecreatetruecolor(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);
?>
The above example will output something similar to:
