(PHP 4, PHP 5)
imagepolygon — Draws a polygon
$image
, array $points
, int $num_points
, int $color
)
imagepolygon() creates a polygon in the given
image
.
image
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
points
An array containing the polygon's vertices, e.g.:
points[0] | = x0 |
points[1] | = y0 |
points[2] | = x1 |
points[3] | = y1 |
num_points
Total number of points (vertices).
color
A color identifier created with imagecolorallocate().
Returns TRUE
on success or FALSE
on failure.
Example #1 imagepolygon() example
<?php
// Create a blank image
$image = imagecreatetruecolor(400, 300);
// Allocate a color for the polygon
$col_poly = imagecolorallocate($image, 255, 255, 255);
// Draw the polygon
imagepolygon($image, array(
0, 0,
100, 200,
300, 200
),
3,
$col_poly);
// Output the picture to the browser
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
The above example will output something similar to: