   #PHP Manual Image functions imageantialias imagechar

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                                   imagearc

   (PHP 3, PHP 4 )
   imagearc -- Draw a partial ellipse

Description

   int imagearc ( resource image, int cx, int cy, int w, int h, int s,
   int e, int color)

   imagearc() draws a partial ellipse centered at cx, cy (top left is 0,
   0) in the image represented by image. W and h specifies the ellipse's
   width and height respectively while the start and end points are
   specified in degrees indicated by the s and e arguments. 0 is located
   at the three-o'clock position, and the arc is drawn counter-clockwise.

   Example 1. Drawing a circle with imagearc()
   <?php
   // create a 200*200 image
   $img = imagecreate(200, 200);
   // allocate some colors
   $white = imagecolorallocate($img, 255, 255, 255);

   // draw a white circle
   imagearc($img, 100, 100, 150, 150, 0, 360, $white);
   // output image in the browser
   header("Content-type: image/png");
   imagepng($img);

   // free memory
   imagedestroy($img);
   ?>

   See also imageellipse(), imagefilledellipse(), and imagefilledarc().
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