(PECL ps >= 1.2.0)
ps_begin_pattern — Start a new pattern
$psdoc,$width,$height,$xstep,$ystep,$painttype
Starts a new pattern. A pattern is like a page containing e.g. a drawing
which can be used for filling areas. It is used like a color by calling
ps_setcolor() and setting the color space to
pattern.
psdocResource identifier of the postscript file as returned by ps_new().
widthThe width of the pattern in pixel.
heightThe height of the pattern in pixel.
xstepThe distance in pixel of placements of the pattern in horizontal direction.
ystepThe distance in pixel of placements of the pattern in vertical direction.
painttypeMust be 1 or 2.
The identifier of the pattern 或者在失败时返回 false.
示例 #1 Creating and using a pattern
<?php
$ps = ps_new();
if (!ps_open_file($ps, "pattern.ps")) {
print "Cannot open PostScript file\n";
exit;
}
ps_set_parameter($ps, "warning", "true");
ps_set_info($ps, "Creator", "pattern.php");
ps_set_info($ps, "Author", "Uwe Steinmann");
ps_set_info($ps, "Title", "Pattern example");
$pspattern = ps_begin_pattern($ps, 10.0, 10.0, 10.0, 10.0, 1);
ps_setlinewidth($ps, 0.2);
ps_setcolor($ps, "stroke", "rgb", 0.0, 0.0, 1.0, 0.0);
ps_moveto($ps, 0, 0);
ps_lineto($ps, 7, 7);
ps_stroke($ps);
ps_moveto($ps, 0, 7);
ps_lineto($ps, 7, 0);
ps_stroke($ps);
ps_end_pattern($ps);
ps_begin_page($ps, 596, 842);
ps_setcolor($ps, "both", "pattern", $pspattern, 0.0, 0.0, 0.0);
ps_rect($ps, 50, 400, 200, 200);
ps_fill($ps);
ps_end_page($ps);
ps_close($ps);
ps_delete($ps);
?>