ImagickDraw::polygon

(PECL imagick 2.0.0)

ImagickDraw::polygon — Draws a polygon

说明

bool ImagickDraw::polygon ( array $coordinates )

Warning

本函数还未编写文档，仅有参数列表。

Draws a polygon using the current stroke, stroke width, and fill color or texture, using the specified array of coordinates.

参数

coordinates: multidimensional array like array( array( 'x' => 3, 'y' => 4 ), array( 'x' => 2, 'y' => 6 ) );

返回值

成功时返回 TRUE 。

范例

Example #1 ImagickDraw::polygon()

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

     $draw  = new \ ImagickDraw ();

     $draw -> setStrokeOpacity ( 1 );
     $draw -> setStrokeColor ( $strokeColor );
     $draw -> setStrokeWidth ( 4 );

     $draw -> setFillColor ( $fillColor );

     $points  = [
        [ 'x'  =>  40  *  5 ,  'y'  =>  10  *  5 ],
        [ 'x'  =>  20  *  5 ,  'y'  =>  20  *  5 ], 
        [ 'x'  =>  70  *  5 ,  'y'  =>  50  *  5 ], 
        [ 'x'  =>  60  *  5 ,  'y'  =>  15  *  5 ],
    ];

     $draw -> polygon ( $points );

     $image  = new \ Imagick ();
     $image -> newImage ( 500 ,  300 ,  $backgroundColor );
     $image -> setImageFormat ( "png" );
     $image -> drawImage ( $draw );

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

 ?>