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(PECL imagick 2.0.0)
ImagickDraw::setStrokeAlpha — Specifies the opacity of stroked object outlines
$opacity
)本函数还未编写文档,仅有参数列表。
Specifies the opacity of stroked object outlines.
opacity
opacity
没有返回值。
Example #1 ImagickDraw::setStrokeAlpha()
<?php
function setStrokeAlpha ( $strokeColor , $fillColor , $backgroundColor ) {
$draw = new \ ImagickDraw ();
$draw -> setStrokeColor ( $strokeColor );
$draw -> setFillColor ( $fillColor );
$draw -> setStrokeWidth ( 4 );
$draw -> line ( 100 , 100 , 400 , 145 );
$draw -> rectangle ( 100 , 200 , 225 , 350 );
$draw -> setStrokeOpacity ( 0.1 );
$draw -> line ( 100 , 120 , 400 , 165 );
$draw -> rectangle ( 275 , 200 , 400 , 350 );
$image = new \ Imagick ();
$image -> newImage ( 500 , 400 , $backgroundColor );
$image -> setImageFormat ( "png" );
$image -> drawImage ( $draw );
header ( "Content-Type: image/png" );
echo $image -> getImageBlob ();
}
?>
[#1] Thomas [2014-09-19 12:30:30]
Must be set after setStrokeColor().
Values between 0 (invisible) and 1.