Imagick::setImageArtifact

(PECL imagick 3)

Imagick::setImageArtifact — Set image artifact

说明

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。

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();
}

?>

参见

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