ImagickDraw::polyline

(PECL imagick 2, PECL imagick 3)

ImagickDraw::polylineDraws a polyline

说明

public ImagickDraw::polyline(array $coordinates): bool
警告

本函数还未编写文档,仅有参数列表。

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

参数

coordinates

array of x and y coordinates: array( array( 'x' => 4, 'y' => 6 ), array( 'x' => 8, 'y' => 10 ) )

返回值

成功时返回 true

示例

示例 #1 ImagickDraw::polyline() example

<?php
function polyline($strokeColor, $fillColor, $backgroundColor) {
$draw = new \ImagickDraw();

$draw->setStrokeOpacity(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);

$draw->setStrokeWidth(5);

$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]
];

$draw->polyline($points);

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

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

?>