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PHP - Manual: ps_setpolydash - 互联网笔记

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PHP - Manual: ps_setpolydash

2025-05-14

ps_setpolydash

(PECL ps >= 1.1.0)

ps_setpolydashSets 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

示例

示例 #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

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官方地址:https://www.php.net/manual/en/function.ps-setpolydash.php

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