Php/docs/function.ps-lineto

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ps_lineto

(PECL ps >= 1.1.0)

ps_linetoDraws 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);?>

参见