ps_lineto
(PECL ps >= 1.1.0)
ps_lineto — Draws a line
說明
ps_lineto(resource
$psdoc, float $x, float $y): boolAdds 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.
參數
-
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
成功時返回 true， 或者在失敗時返回 false。
範例
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);
?>