# ps_lineto

(PECL ps >= 1.1.0)

ps_lineto — Draws a line

### 说明

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

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

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #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_moveto() - Sets current point

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