imagesetclip
(PHP 7 >= 7.2.0)
imagesetclip — 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