- PHP 手册
- 函数参考
- 图像生成和处理
- Gmagick
- Gmagick
Gmagick::setimagechanneldepth
(PECL gmagick >= Unknown)
Gmagick::setimagechanneldepth — Sets the depth of a particular image channel
说明
public Gmagick::setimagechanneldepth(int$channel, int $depth): Gmagick
Sets the depth of a particular image channel.
参数
-
channel -
One of the Channel constant (
Gmagick::CHANNEL_*). -
depth -
The image depth in bits.
返回值
The Gmagick object.
错误／异常
错误时抛出 GmagickException。
User Contributed Notes
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