PHP: 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(400, 300);



// fill the background color

$bg = imagecolorallocate($image, 0, 0, 0);



// choose 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

header("Content-type: image/png");

imagepng($image);



?>

The above example will output something similar to:

imagepolygon

Description

Parameters

Return Values

Examples

See Also