Imagick::setImageArtifact
(PECL imagick 3)
Imagick::setImageArtifact — Set image artifact
说明
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。
示例
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();
}
?>
参见
- Imagick::getImageArtifact() - Get image artifact
- Imagick::deleteImageArtifact() - Delete image artifact
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备份地址:http://www.lvesu.com/blog/php/imagick.setimageartifact.php