ps_makespotcolor
(PECL ps >= 1.1.0)
ps_makespotcolor — Create spot color
说明
$psdoc
, string $name
[, int $reserved = 0
] ) : intCreates a spot color from the current fill color. The fill color must be defined in rgb, cmyk or gray colorspace. The spot color name can be an arbitrary name. A spot color can be set as any color with ps_setcolor(). When the document is not printed but displayed by an postscript viewer the given color in the specified color space is use.
参数
-
psdoc -
Resource identifier of the postscript file as returned by ps_new().
-
name -
Name of the spot color, e.g. Pantone 5565.
返回值
The id of the new spot color or 0 in case of an error.
范例
Example #1 Creating and using a spot color
<?php
$ps = ps_new();
if (!ps_open_file($ps, "spotcolor.ps")) {
print "Cannot open PostScript file\n";
exit;
}
ps_set_info($ps, "Creator", "spotcolor.php");
ps_set_info($ps, "Author", "Uwe Steinmann");
ps_set_info($ps, "Title", "Spot color example");
ps_begin_page($ps, 596, 842);
ps_setcolor($ps, "fill", "cmyk", 0.37, 0.0, 0.34, 0.34);
$spotcolor = ps_makespotcolor($ps, "PANTONE 5565 C", 0);
ps_setcolor($ps, "fill", "spot", $spotcolor, 0.5, 0.0, 0.0);
ps_moveto($ps, 100, 100);
ps_lineto($ps, 100, 200);
ps_lineto($ps, 200, 200);
ps_lineto($ps, 200, 100);
ps_lineto($ps, 100, 100);
ps_fill($ps);
ps_end_page($ps);
ps_delete($ps);
?>
This example creates the spot color "PANTONE 5565 C" which is a darker green (olive) and fills a rectangle with 50% intensity.