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(PECL imagick 2.0.0)
ImagickDraw::setFillOpacity — Sets the opacity to use when drawing using the fill color or fill texture
$fillOpacity
)本函数还未编写文档,仅有参数列表。
Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.
fillOpacity
the fill opacity
没有返回值。
Example #1 ImagickDraw::setFillOpacity()
<?php
function setFillOpacity ( $strokeColor , $fillColor , $backgroundColor ) {
$draw = new \ ImagickDraw ();
$draw -> setStrokeColor ( $strokeColor );
$draw -> setFillColor ( $fillColor );
$draw -> setStrokeOpacity ( 1 );
$draw -> setStrokeWidth ( 2 );
$draw -> rectangle ( 100 , 200 , 200 , 300 );
$draw -> setFillOpacity ( 0.4 );
$draw -> rectangle ( 300 , 200 , 400 , 300 );
$imagick = new \ Imagick ();
$imagick -> newImage ( 500 , 500 , $backgroundColor );
$imagick -> setImageFormat ( "png" );
$imagick -> drawImage ( $draw );
header ( "Content-Type: image/png" );
echo $imagick -> getImageBlob ();
}
?>
[#1] Michael Voek [2015-08-08 12:55:56]
When fill color is changed, this is reset to 1.0 or to defined alpha with #aaxxx color format, where aa is alpha.