imagepolygon
Draws a polygon
Description
Signature as of PHP 8.0.0 (not supported with named arguments)
bool imagepolygon(GdImage $image
, array $points
, int $color
)
Alternative signature (deprecated as of PHP 8.1.0)
bool imagepolygon(
GdImage $image
,
array $points
,
int $num_points
,
int $color
)
Parameters
-
image
-
A GdImage object, returned by one of the image creation functions,
such as imagecreatetruecolor.
-
points
-
An array containing the polygon's vertices, e.g.:
-
num_points
-
Total number of points (vertices), which must be at least 3.
If this parameter is omitted as per the second signature, points
must have an even number of elements, and num_points
is
assumed to be count($points)/2
.
-
color
-
A color identifier created with imagecolorallocate.
Return Values
Returns true
on success or false
on failure.
Examples
Example #1 imagepolygon 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
imagepolygon($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);
?>
The above example will output
something similar to:
See Also
- imagefilledpolygon
- imageopenpolygon
- imagecreate
- imagecreatetruecolor