(PHP 4, PHP 5, PHP 7, PHP 8)
imagearc — Draws an arc
$image
,$center_x
,$center_y
,$width
,$height
,$start_angle
,$end_angle
,$color
imagearc() draws an arc of circle centered at the given coordinates.
image
A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
center_x
x-coordinate of the center.
center_y
y-coordinate of the center.
width
The arc width.
height
The arc height.
start_angle
The arc start angle, in degrees.
end_angle
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().
Version | Description |
---|---|
8.0.0 |
image expects a GdImage
instance now; previously, a valid gd resource was expected.
|
Example #1 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($img, 0, 0, 255);// draw the headimagearc($img, 100, 100, 200, 200, 0, 360, $white);// mouthimagearc($img, 100, 100, 150, 150, 25, 155, $red);// left and then the right eyeimagearc($img, 60, 75, 50, 50, 0, 360, $green);imagearc($img, 140, 75, 50, 50, 0, 360, $blue);// output image in the browserheader("Content-type: image/png");imagepng($img);// free memoryimagedestroy($img);?>
The above example will output something similar to: