ImagickDraw::polygon()

(PECL imagick 2.0.0)

Draws a polygon

说明

ImagickDraw::polygon(array $coordinates): bool

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();
}
?>