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

示例 #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

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官方地址：https://www.php.net/manual/en/function.ps-begin-pattern.php

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ps_begin_pattern

说明

参数

返回值

范例

参见

User Contributed Notes