ImagickDraw::setStrokeAntialias

(PECL imagick 2.0.0)

ImagickDraw::setStrokeAntialias — Controls whether stroked outlines are antialiased

说明

bool ImagickDraw::setStrokeAntialias ( bool $stroke_antialias )

Warning

本函数还未编写文档，仅有参数列表。

Controls whether stroked outlines are antialiased. Stroked outlines are antialiased by default. When antialiasing is disabled stroked pixels are thresholded to determine if the stroke color or underlying canvas color should be used.

参数

stroke_antialias: the antialias setting

返回值

没有返回值。

范例

Example #1 ImagickDraw::setStrokeAntialias()

  <?php
 function  setStrokeAntialias ( $strokeColor ,  $fillColor ,  $backgroundColor ) {

     $draw  = new \ ImagickDraw ();

     $draw -> setStrokeColor ( $strokeColor );
     $draw -> setFillColor ( $fillColor );
     $draw -> setStrokeWidth ( 1 );
     $draw -> setStrokeAntialias ( false );
     $draw -> line ( 100 ,  100 ,  400 ,  105 );

     $draw -> line ( 100 ,  140 ,  400 ,  185 );

     $draw -> setStrokeAntialias ( true );
     $draw -> line ( 100 ,  110 ,  400 ,  115 );
     $draw -> line ( 100 ,  150 ,  400 ,  195 );

     $image  = new \ Imagick ();
     $image -> newImage ( 500 ,  250 ,  $backgroundColor );
     $image -> setImageFormat ( "png" );

     $image -> drawImage ( $draw );

     header ( "Content-Type: image/png" );
    echo  $image -> getImageBlob ();
}

 ?>