Image
PHP Manual

imagepolygon

(PHP 4, PHP 5)

imagepolygon — Draws a polygon

Description

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

imagepolygon() creates a 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 polygon's vertices, i.e. points[0] = x0, points[1] = y0, points[2] = x1, points[3] = y1, etc.

num_points

Total number of points (vertices)

color

A color identifier created with imagecolorallocate()

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example#1 imagepolygon() example

<?php
// create a blank image
$image imagecreatetruecolor(400300);

// fill the background color
$bg imagecolorallocate($image000);

// choose a color for the polygon
$col_poly imagecolorallocate($image255255255);

// draw the polygon
imagepolygon($image, array (
        
0,   0,
        
100200,
        
300200
    
),
    
3,
    
$col_poly);

// output the picture
header("Content-type: image/png");
imagepng($image);

?>

The above example will output something similar to:

See Also


Image
PHP Manual