Php/docs/function.ps-setpolydash

• PHP Manual
• PS 函数
• Sets appearance of a dashed line

ps_setpolydash

(PECL ps >= 1.1.0)

ps_setpolydash — Sets appearance of a dashed line

说明

ps_setpolydash ( resource $psdoc , float $arr ) : bool

Sets the length of the black and white portions of a dashed line. ps_setpolydash() is used to set more complicated dash patterns.

参数

psdoc

Resource identifier of the postscript file as returned by ps_new().

arr

arr is a list of length elements alternately for the black and white portion.

返回值

成功时返回 true， 或者在失败时返回 false。

范例

Example #1 Drawing a dashed line

<?php$ps = ps_new();if (!ps_open_file($ps, "polydash.ps")) {   print "Cannot open PostScript file\n";     exit;}ps_set_info($ps, "Creator", "polydash.php");ps_set_info($ps, "Author", "Uwe Steinmann");ps_set_info($ps, "Title", "Poly dash example");ps_begin_page($ps, 596, 842);ps_setpolydash($ps, array(10, 5, 2, 5));ps_moveto($ps, 100, 100);ps_lineto($ps, 200, 200);ps_stroke($ps);ps_end_page($ps);ps_delete($ps);?>

This example draws a line with a 10 and 2 points long line, and gaps of 5 points inbetween.

参见

• ps_setdash() - Sets appearance of a dashed line