PHP. Учебник. 2005

imagepolygon

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imagepolygon

(PHP 3, PHP 4, PHP 5)imagepolygon -- Draw a polygon

Description

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

- imagepolygon() creates a polygon in image id.

points is a PHP array containing the

polygon's vertices, i.e. points[0] = x0, points[1] = y0, points[2]

= x1, points[3] = y1, etc. num_points is

the total number of points (vertices).

-

Пример 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);

?>

- See also imagecreate() and

imagecreatetruecolor().

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