PHP. Руководство по PHP. 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);

?>

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