imagearc

(PHP 4, PHP 5, PHP 7)

Draws an arc

bool imagearc ( resource $image, int $cx, int $cy, int $width, int $height, int $start, int $end, int $color )

imagearc() draws an arc of circle centered at the given coordinates.

Parameters:

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

x-coordinate of the center.

y-coordinate of the center.

width

The arc width.

height

The arc height.

start

The arc start angle, in degrees.

end

The arc end angle, in degrees. 0° is located at the three-o'clock position, and the arc is drawn clockwise.

color

A color identifier created with imagecolorallocate().

Returns:

Returns TRUE on success or FALSE on failure.

Examples:

Drawing a circle with imagearc()

<?php
 
// create a 200*200 image
$img = imagecreatetruecolor(200, 200);
 
// allocate some colors
$white = imagecolorallocate($img, 255, 255, 255);
$red   = imagecolorallocate($img, 255,   0,   0);
$green = imagecolorallocate($img,   0, 255,   0);
$blue  = imagecolorallocate($img,   0,   0, 255);
 
// draw the head
imagearc($img, 100, 100, 200, 200,  0, 360, $white);
// mouth
imagearc($img, 100, 100, 150, 150, 25, 155, $red);
// left and then the right eye
imagearc($img,  60,  75,  50,  50,  0, 360, $green);
imagearc($img, 140,  75,  50,  50,  0, 360, $blue);
 
// output image in the browser
header("Content-type: image/png");
imagepng($img);
 
// free memory
imagedestroy($img);
 
?>

The above example will output something similar to:

Output of example : Drawing a circle with imagearc()