Draws a polygon
Syntax
imagepolygon(
GdImage $image,
array $points,
int $color
): boolParameters
imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
pointsAn array containing the x and y coordinates of the polygons vertices consecutively.
colorA color identifier created with imagecolorallocate().
Return
Returns true on success or false on failure.
Examples
1 · return
<?
$width = 100;
$height = 100;
$image = imagecreate($width, $height);
$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);
$points = array(
0, 50,
50, 0,
100, 50,
50, 100
);
$return = imagepolygon($image, $points, $color);
var_export($return);
?>true
2 · base64
<?
$width = 100;
$height = 100;
$image = imagecreatetruecolor($width, $height);
$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);
$points = array(
0, 50,
50, 0,
100, 50,
50, 100
);
imagepolygon($image, $points, $color);
ob_start();
imagepng($image);
$output = ob_get_clean();
echo '<!doctype html>
<html>
<body>
<img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';
?><!doctype html>
<html>
<body>
<img src="data:image/png;base64,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">
</body>
</html>
