PDF_arc()
(PHP 4, PECL pdflib >= 1.0.0)
Draw a counterclockwise circular arc segment
说明
PDF_arc(resource $p,float $x,float $y,float $r,float $alpha,float $beta): bool
Adds a counterclockwise circular arc.
下篇：PDF_arcn()
(PHP 4, PECL pdflib >= 1.0.0)
Draw a counterclockwise circular arc segment
PDF_arc(resource $p,float $x,float $y,float $r,float $alpha,float $beta): bool
Adds a counterclockwise circular arc.
下篇：PDF_arcn()