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                                  pdf_circle

   (PHP 3>= 3.0.6, PHP 4 )
   pdf_circle -- Draws a circle

Description

   bool pdf_circle ( resource pdfdoc, float x, float y, float r)

   Add a circle with center (x, y) and radius r to the current page.
   Actual drawing of the circle is performed by the next stroke or fill
   operation.

   Returns TRUE on success or FALSE on failure.

   Example 1. pdf_circle() example
   <?php
       // prepare document
       $pdf = pdf_new();
       pdf_open_file($pdf, "");
       pdf_begin_page($pdf, 595, 842);

       // an outlined circle
       pdf_circle($pdf, 200, 700, 100);
       pdf_stroke($pdf);
       // a filled circle
       pdf_circle($pdf, 200, 700, 50);
       pdf_fill($pdf);
     // an outlined and filled circle
     pdf_setcolor($pdf, "fill", "gray", 0.3);
       pdf_circle($pdf, 400, 700, 50);
     pdf_fill_stroke($pdf);
       // finish document
       pdf_end_page($pdf);
       pdf_close($pdf);
       header("Content-type: application/pdf");
       echo pdf_get_buffer($pdf);
       pdf_delete($pdf);
   ?>

   See also: pdf_arc(), pdf_arcn(), pdf_curveto(), pdf_stroke(),
   pdf_fill() and pdf_fill_stroke().
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