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PHP5中文手册
PS
PHP Manual

ps_lineto

(PECL ps:1.1.0-1.3.5)

ps_lineto — Draws a line

说明

bool ps_lineto ( resource $psdoc , float $x , float $y )

Adds a straight line from the current point to the given coordinates to the current path. Use ps_moveto() to set the starting point of the line.

参数

psdoc

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

x

x-coordinate of the end point of the line.

y

y-coordinate of the end point of the line.

返回值

如果成功则返回 TRUE，失败则返回 FALSE。

范例

Example#1 Drawing a rectangle

<?php
$ps = ps_new();
if (!ps_open_file($ps, "rectangle.ps")) {
  print "Cannot open PostScript file\n";
  exit;
}

ps_set_info($ps, "Creator", "rectangle.php");
ps_set_info($ps, "Author", "Uwe Steinmann");
ps_set_info($ps, "Title", "Lineto example");

ps_begin_page($ps, 596, 842);
ps_moveto($ps, 100, 100);
ps_lineto($ps, 100, 200);
ps_lineto($ps, 200, 200);
ps_lineto($ps, 200, 100);
ps_lineto($ps, 100, 100);
ps_stroke($ps);
ps_end_page($ps);

ps_delete($ps);
?>

参见

PS
PHP Manual