pdf_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.

如果成功则返回 TRUE，失败则返回 FALSE。

例子 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().