©
Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL ps >= 1.2.0)
ps_begin_pattern — Start a new pattern
$psdoc
, float $width
, float $height
, float $xstep
, float $ystep
, int $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.
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.
The identifier of the pattern 或者在失败时返回 FALSE
.
Example #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 );
?>