Imagick::setImageArtifact

(PECL imagick 3)

Imagick::setImageArtifact — Set image artifact

說明

public 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以上版本編譯時(shí)可用。

參數(shù)

artifact

The name of the artifact

value

The value of the artifact

返回值

成功時(shí)返回 true。

錯(cuò)誤／異常

錯(cuò)誤時(shí)拋出 ImagickException。

范例

示例 #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();
}

?>

參見