imagesetclip()
(PHP 7 >= 7.2.0)
Set the clipping rectangle
说明
imagesetclip(resource $im,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
。
参见
imagegetclip()
Get the clipping rectangle