Imagick::setImageArtifact

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Imagick::setImageArtifact — Set image artifact

说明

Imagick::setImageArtifact ( string $artifact , string $value ) : bool

Associates an artifact with the image. The difference between image properties and image artifacts is that properties are public and artifacts are private. 此方法在Imagick基于ImageMagick 6.5.7以上版本编译时可用。

参数

artifact: The name of the artifact
value: The value of the artifact

返回值

成功时返回 TRUE。

错误／异常

错误时抛出 ImagickException。

参见

Imagick::getImageArtifact() - Get image artifact
Imagick::deleteImageArtifact() - Delete image artifact

范例

Example #1 Imagick::setImageArtifact()

 <?php
function setImageArtifact() {

    $src1 = new \Imagick(realpath("./images/artifact/source1.png"));
    $src2 = new \Imagick(realpath("./images/artifact/source2.png"));

    $src2->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
    $src2->setImageArtifact('compose:args', "1,0,-0.5,0.5");
    $src1->compositeImage($src2, Imagick::COMPOSITE_MATHEMATICS, 0, 0);
    
    $src1->setImageFormat('png');
    header("Content-Type: image/png");
    echo $src1->getImagesBlob();
}

?>

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