Imagick::affineTransformImage

(PECL imagick 2, PECL imagick 3)

Imagick::affineTransformImage — 画像を変換する

説明

public Imagick::affineTransformImage(ImagickDraw $matrix): bool

アフィン行列の指定にしたがって画像を変換します。

パラメータ

matrix: アフィン行列。

戻り値

成功した場合に true を返します。

例

例1 Imagick::affineTransformImage()

<?php
function affineTransformImage($imagePath) {
    $imagick = new \Imagick(realpath($imagePath));
    $draw = new \ImagickDraw();

    $angle = deg2rad(40);

    $affineRotate = array(
        "sx" => cos($angle), "sy" => cos($angle), 
        "rx" => sin($angle), "ry" => -sin($angle), 
        "tx" => 0, "ty" => 0,
    );

    $draw->affine($affineRotate);

    $imagick->affineTransformImage($draw);

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

?>

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User Contributed Notes 2 notes

down

SkepticaLee ¶

4 years ago

This function is obsolete. Use distortImage() instead, with the affine transformation constant, and an array of six values, sx, rx, ry, sy, tx, ty.

down

peter dot e dot lind at gmail dot com ¶

9 years ago

This method has not been properly implemented it seems - it has no effect whatsoever on the image.

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