Imagick::gammaImage

(No version information available, might be only in CVS)

Imagick::gammaImage — Gamma-corrects an image

说明

bool Imagick::gammaImage ( float $gamma [, int $channel ] )

Warning

本函数暂无文档，仅有参数列表。

Warning

本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

Gamma-corrects an image. The same image viewed on different devices will have perceptual differences in the way the image's intensities are represented on the screen. Specify individual gamma levels for the red, green, and blue channels, or adjust all three with the gamma parameter. Values typically range from 0.8 to 2.3.

参数

gamma
channel

返回值

Returns TRUE on success.


	PHP5中文手册 Imagick::fxImage Imagick::gaussianBlurImage Imagick Image Library PHP Manual Imagick::gammaImage (No version information available, might be only in CVS) Imagick::gammaImage — Gamma-corrects an image 说明 bool Imagick::gammaImage ( float `$gamma` [, int `$channel` ] ) Warning 本函数暂无文档，仅有参数列表。 Warning 本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。 Gamma-corrects an image. The same image viewed on different devices will have perceptual differences in the way the image's intensities are represented on the screen. Specify individual gamma levels for the red, green, and blue channels, or adjust all three with the gamma parameter. Values typically range from 0.8 to 2.3. 参数 `gamma` `channel` 返回值 Returns `TRUE` on success. Imagick::fxImage Imagick::gaussianBlurImage Imagick Image Library PHP Manual