imagesetclip

(PHP 7 >= 7.2.0, PHP 8)

imagesetclipSet the clipping rectangle

说明

imagesetclip ( GdImage $image , int $x1 , int $y1 , int $x2 , int $y2 ) : bool

imagesetclip() sets the current clipping rectangle, i.e. the area beyond which no pixels will be drawn.

参数

image

由图象创建函数(例如imagecreatetruecolor())返回的图象资源。

x1

The x-coordinate of the upper left corner.

y1

The y-coordinate of the upper left corner.

x2

The x-coordinate of the lower right corner.

y2

The y-coordinate of the lower right corner.

返回值

成功时返回 true, 或者在失败时返回 false

更新日志

版本 说明
8.0.0 image expects a GdImage instance now; previously, a resource was expected.

参见

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