ps_begin_pattern

(PECL ps >= 1.2.0)

ps_begin_pattern — Start a new pattern

说明

int ps_begin_pattern ( resource $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.

参数

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 或者在失败时返回 FALSE .

范例

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 );
 ?>

参见

ps_end_pattern() - End a pattern
ps_setcolor() - Sets current color
ps_shading_pattern() - Creates a pattern based on a shading