Imagick::setImageDepth
(PECL imagick 2, PECL imagick 3)
Imagick::setImageDepth — Sets the image depth
说明
public Imagick::setImageDepth(int
$depth
): boolSets the image depth.
参数
-
depth
-
返回值
成功时返回 true
。
错误/异常
错误时抛出 ImagickException。
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User Contributed Notes 1 note
kehrigan at gmail dot com ¶
7 years ago
Depth is a number in terms of bits. Floats seem to be accepted.
From the ImageMagick documentation:
"This the number of bits in a color sample within a pixel. Use this option to specify the depth of raw images whose depth is unknown such as GRAY, RGB, or CMYK, or to change the depth of any image after it has been read."
备份地址:http://www.lvesu.com/blog/php/imagick.setimagedepth.php