(PHP 7 >= 7.2.0, PHP 8)
imageopenpolygon — Draws an open polygon
$image
, array $points
, int $num_points
, int $color
) : boolAlternative signature (as of PHP 8.0.0)
$image
, array $points
, int $color
) : bool
imageopenpolygon() draws an open polygon on the given
image
. Contrary to imagepolygon(),
no line is drawn between the last and the first point.
resim
imagecreatetruecolor() gibi bir resim oluşturma işlevinden dönen bir resim verisi.
points
An array containing the polygon's vertices, e.g.:
points[0] | = x0 |
points[1] | = y0 |
points[2] | = x1 |
points[3] | = y1 |
num_points
Total number of points (vertices), which must be at least 3.
If this parameter is omitted as per the second signature,points
must have an even number of elements, and num_points
is
assumed to be count($points)/2
.
color
imagecolorallocate() işlevi le oluşturulmuş bir renk tanıtıcı.
Başarı durumunda true
, başarısızlık durumunda false
döner.
Örnek 1 imageopenpolygon() example
<?php
// Create a blank image
$image = imagecreatetruecolor(400, 300);
// Allocate a color for the polygon
$col_poly = imagecolorallocate($image, 255, 255, 255);
// Draw the polygon
imageopenpolygon($image, array(
0, 0,
100, 200,
300, 200
),
3,
$col_poly);
// Output the picture to the browser
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
Yukarıdaki örnek şuna benzer bir çıktı üretir: