Gmagick::getimagechanneldepthGmagick::getimagecolors
(PECL gmagick >= Unknown)
Gmagick::getimagecolors — Returns the color of the specified colormap index
说明
public int Gmagick::getimagecolors
( void
)
Returns the color of the specified colormap index.
参数
此函数没有参数。
返回值
The number of colors in image.
错误／异常
错误时抛出 GmagickException。
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