IMAGEARC(3) 1 IMAGEARC(3)
imagearc - Draws an arc
SYNOPSIS
bool imagearc (resource $image, int $cx, int $cy, int $width, int $height, int $start, int $end, int $color)
DESCRIPTION
imagearc(3) draws an arc of circle centered at the given coordinates.
PARAMETERS
o $
image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).
o $cx
- x-coordinate of the center.
o $cy
- y-coordinate of the center.
o $width
- The arc width.
o $height
- The arc height.
o $start
- The arc start angle, in degrees.
o $end
- The arc end angle, in degrees. 0o is located at the three-o'clock position, and the arc is drawn clockwise.
o $color
- A color identifier created with imagecolorallocate(3).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
Drawing a circle with imagearc(3)
<?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:[NOT DISPLAYABLE MEDIA]Output of example : Drawing a circle with imagearc()
SEE ALSO
imagefilledarc(3), imageellipse(3), imagefilledellipse(3).
PHP Documentation Group IMAGEARC(3)
