ps_begin_pattern

(PECL ps >= 1.2.0)

ps_begin_patternStart a new pattern

Descrizione

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.

Elenco dei parametri

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.

xstep

The distance in pixel of placements of the pattern in horizontal direction.

ystep

The distance in pixel of placements of the pattern in vertical direction.

painttype

Must be 1 or 2.

Valori restituiti

The identifier of the pattern o false in caso di fallimento.

Esempi

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);
?>

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