ImagickDraw::arc

    (PECL imagick 2, PECL imagick 3)

    ImagickDraw::arc — Draws an arc

    说明

    public ImagickDraw::arc(
        float $sx,
        float $sy,
        float $ex,
        float $ey,
        float $sd,
        float $ed
    ): bool
    警告

    本函数还未编写文档，仅有参数列表。

    Draws an arc falling within a specified bounding rectangle on the image.

    参数

    sx

    Starting x ordinate of bounding rectangle

    sy

    starting y ordinate of bounding rectangle

    ex

    ending x ordinate of bounding rectangle

    ey

    ending y ordinate of bounding rectangle

    sd

    starting degrees of rotation

    ed

    ending degrees of rotation

    返回值

    没有返回值。

    示例

    示例 #1 ImagickDraw::arc() example

    <?php
    function arc($strokeColor, $fillColor, $backgroundColor, $startX, $startY, $endX, $endY, $startAngle, $endAngle) {

    //Create a ImagickDraw object to draw into.
    $draw = new \ImagickDraw();
    $draw->setStrokeWidth(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);

    $draw->arc($startX, $startY, $endX, $endY, $startAngle, $endAngle);

    //Create an image object which the draw commands can be rendered into
    $image = new \Imagick();
    $image->newImage(IMAGE_WIDTH, IMAGE_HEIGHT, $backgroundColor);
    $image->setImageFormat("png");

    //Render the draw commands in the ImagickDraw object
    //into the image.
    $image->drawImage($draw);

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

    ?>

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