ベジエ曲線を描画する

# ImagickDraw::bezier

(PECL imagick 2, PECL imagick 3)

ImagickDraw::bezier — ベジエ曲線を描画する

### 説明

public function ImagickDraw::bezier(array `$coordinates`): bool
警告

この関数は、 現在のところ詳細な情報はありません。引数のリストのみが 記述されています。

画像上に点を指定してベジエ曲線を描画します。

### パラメータ

`coordinates`

  多次元配列。array( array( 'x' => 1, 'y' => 2 ), array( 'x' => 3, 'y' => 4 ) ) のような形式。

### 戻り値

値を返しません。

### 例

例1 ImagickDraw::bezier() の例

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

        $draw = new \ImagickDraw();

        $strokeColor = new \ImagickPixel($strokeColor);
        $fillColor = new \ImagickPixel($fillColor);

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

        $draw->setStrokeWidth(2);

        $smoothPointsSet = [
            [
                ['x' => 10.0 * 5, 'y' => 10.0 * 5],
                ['x' => 30.0 * 5, 'y' => 90.0 * 5],
                ['x' => 25.0 * 5, 'y' => 10.0 * 5],
                ['x' => 50.0 * 5, 'y' => 50.0 * 5],
            ],
            [
                ['x' => 50.0 * 5, 'y' => 50.0 * 5],
                ['x' => 75.0 * 5, 'y' => 90.0 * 5],
                ['x' => 70.0 * 5, 'y' => 10.0 * 5],
                ['x' => 90.0 * 5, 'y' => 40.0 * 5],
            ],
        ];

        foreach ($smoothPointsSet as $points) {
            $draw->bezier($points);
        }

        $disjointPoints = [
            [
                ['x' => 10 * 5, 'y' => 10 * 5],
                ['x' => 30 * 5, 'y' => 90 * 5],
                ['x' => 25 * 5, 'y' => 10 * 5],
                ['x' => 50 * 5, 'y' => 50 * 5],
            ],
            [
                ['x' => 50 * 5, 'y' => 50 * 5],
                ['x' => 80 * 5, 'y' => 50 * 5],
                ['x' => 70 * 5, 'y' => 10 * 5],
                ['x' => 90 * 5, 'y' => 40 * 5],
             ]
        ];
        $draw->translate(0, 200);

        foreach ($disjointPoints as $points) {
            $draw->bezier($points);
        }

        //Create an image object which the draw commands can be rendered into
        $imagick = new \Imagick();
        $imagick->newImage(500, 500, $backgroundColor);
        $imagick->setImageFormat("png");

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

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

    ?>

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open