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pdf_arc (PHP 3 >= 3.0.6, PHP 4, PECL) pdf_arc -- Draws an arc (counterclockwise) Descriptionbool 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.
例子 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);
?>
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See also: pdf_arcn(),
pdf_circle(), pdf_stroke(),
pdf_fill() and pdf_fill_stroke().
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