Php/docs/function.ps-begin-pattern
ps_begin_pattern
(PECL ps >= 1.2.0)
ps_begin_pattern — Start a new pattern
说明
ps_begin_pattern
( resource $psdoc
, float $width
, float $height
, float $xstep
, float $ystep
, int $painttype
) : int|false
Starts a new pattern. A pattern is like a page containing e.g. a drawing
which can be used for filling areas. It is used like a color by calling
ps_setcolor() and setting the color space to
pattern.
参数
psdoc- Resource identifier of the postscript file as returned by ps_new().
width- The width of the pattern in pixel.
height- The height of the pattern in pixel.
x-step- The distance in pixel of placements of the pattern in horizontal direction.
y-step- The distance in pixel of placements of the pattern in vertical direction.
painttype- Must be 1 or 2.
返回值
The identifier of the pattern 或者在失败时返回 false.
范例
Example #1 Creating and using a pattern
<?php$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
