Php/docs/function.ps-lineto
ps_lineto
(PECL ps >= 1.1.0)
ps_lineto — Draws a line
说明
ps_lineto
( resource $psdoc
, float $x
, float $y
) : bool
Adds a straight line from the current point to the given coordinates to the current path. Use ps_moveto() to set the starting point of the line.
参数
psdoc
- Resource identifier of the postscript file as returned by ps_new().
x
- x-coordinate of the end point of the line.
y
- y-coordinate of the end point of the line.
返回值
成功时返回 true
, 或者在失败时返回 false
。
范例
Example #1 Drawing a rectangle
<?php$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);?>