文字
Imagick::steganoImage
(PECL imagick 2.0.0)
Imagick::steganoImage — Hides a digital watermark within the image
说明
Imagick Imagick::steganoImage
( Imagick
$watermark_wand
, int $offset
)Hides a digital watermark within the image. Recover the hidden watermark later to prove that the authenticity of an image. Offset defines the start position within the image to hide the watermark.
参数
-
watermark_wand -
-
offset -
返回值
成功时返回 TRUE 。