imagepolygon
(PHP 3, PHP 4 , PHP 5)
imagepolygon -- Draw a polygon
Description
int
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 = imagecreate(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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See also imagecreate() and
imagecreatetruecolor().
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