ImagickDraw::setFillRule()

(PECL imagick 2.0.0)

Sets the fill rule to use while drawing polygons

说明

ImagickDraw::setFillRule(int $fill_rule): bool

Warning

本函数还未编写文档，仅有参数列表。

Sets the fill rule to use while drawing polygons.

参数

$fill_rule

FILLRULE_ constant

返回值

没有返回值。

范例

Example #1 ImagickDraw::setFillRule()

<?php
function setFillRule($fillColor, $strokeColor, $backgroundColor) {
    $draw = new \ImagickDraw();
    $draw->setStrokeWidth(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $fillRules = [\Imagick::FILLRULE_NONZERO, \Imagick::FILLRULE_EVENODD];
    $points = 11;
    $size = 150;
    $draw->translate(175, 160);
    for ($x = 0; $x < 2; $x++) {
        $draw->setFillRule($fillRules[$x]);
        $draw->pathStart();
        for ($n = 0; $n < $points * 2; $n++) {
            if ($n >= $points) {
                $angle = fmod($n * 360 * 4 / $points, 360) * pi() / 180;
            }
            else {
                $angle = fmod($n * 360 * 3 / $points, 360) * pi() / 180;
            }
            $positionX = $size * sin($angle);
            $positionY = $size * cos($angle);
            if ($n == 0) {
                $draw->pathMoveToAbsolute($positionX, $positionY);
            }
            else {
                $draw->pathLineToAbsolute($positionX, $positionY);
            }
        }
        $draw->pathClose();
        $draw->pathFinish();
        $draw->translate(325, 0);
    }
    $image = new \Imagick();
    $image->newImage(700, 320, $backgroundColor);
    $image->setImageFormat("png");
    $image->drawImage($draw);
    header("Content-Type: image/png");
    echo $image->getImageBlob();
}
?>