Description

bool pdf_arc ( resource pdfdoc, float x, float y, float r, float alpha, float beta)

Add a counterclockwise circular arc from alpha to beta degrees with center (x; y) and radius r. Actual drawing of the circle is performed by the next stroke or fill operation.

Example 1. pdf_arcn() example <?php // prepare document $pdf = pdf_new(); pdf_open_file($pdf, ""); pdf_begin_page($pdf, 595, 842); // an outlined arc pdf_arc($pdf, 200, 700, 100, 0, 90); pdf_stroke($pdf); // a filled arc pdf_arc($pdf, 200, 700, 50, 0, 90); pdf_fill($pdf); // an outlined and filled arc pdf_setcolor($pdf, "fill", "gray", 0.8); pdf_arc($pdf, 400, 700, 50, 0, 90); pdf_fill_stroke($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_arcn(), pdf_circle(), pdf_stroke(), pdf_fill() and pdf_fill_stroke().