Php/docs/function.imagearc
imagearc
(PHP 4, PHP 5, PHP 7)
imagearc — Draws an arc
Description
imagearc
( resource $image
, int $cx
, int $cy
, int $width
, int $height
, int $start
, int $end
, int $color
) : bool
imagearc() draws an arc of circle centered at the given coordinates.
Parameters
image- An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
cx- x-coordinate of the center.
cy- y-coordinate of the center.
width- The arc width.
height- The arc height.
start- The arc start angle, in degrees.
end- The arc end angle, in degrees. 0° is located at the three-o'clock position, and the arc is drawn clockwise.
color- A color identifier created with imagecolorallocate().
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 Drawing a circle with imagearc()
<?php// create a 200*200 image$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:
See Also
- imagefilledarc() - Draw a partial arc and fill it
- imageellipse() - Draw an ellipse
- imagefilledellipse() - Draw a filled ellipse
