imagesetclip
(PHP 7 >= 7.2.0)
imagesetclip — Set the clipping rectangle
说明
imagesetclip
( resource
$im
, int $x1
, int $y1
, int $x2
, int $y2
) : boolimagesetclip() 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