ps_begin_pattern
(PECL ps >= 1.2.0)
ps_begin_pattern — Start a new pattern
說明
resource
$psdoc,float
$width,float
$height,float
$xstep,float
$ystep,int
$painttype): int|false
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.
參數
-
psdoc -
Resource identifier of the postscript file as returned by ps_new().
-
width -
The width of the pattern in pixel.
-
height -
The height of the pattern in pixel.
-
x-step -
The distance in pixel of placements of the pattern in horizontal direction.
-
y-step -
The distance in pixel of placements of the pattern in vertical direction.
-
painttype -
Must be 1 or 2.
返回值
The identifier of the pattern 或者在失敗時返回 false.
範例
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);
?>
參見
- ps_end_pattern() - End a pattern
- ps_setcolor() - Sets current color
- ps_shading_pattern() - Creates a pattern based on a shading