文字
Gmagick::cropimage
(PECL gmagick >= Unknown)
Gmagick::cropimage — Extracts a region of the image
说明
public Gmagick Gmagick::cropimage
( int
$width
, int $height
, int $x
, int $y
)Extracts a region of the image.
参数
-
width -
The width of the crop
-
height -
The height of the crop
-
x -
The X coordinate of the cropped region's top left corner
-
y -
The Y coordinate of the cropped region's top left corner
返回值
The cropped Gmagick object
错误／异常
错误时抛出 GmagickException。
用户评论:
[#1] martin at arp242 dot net [2011-06-22 00:52:35]
A slight note since this is not immediately obvious:
Just as the C CropImage() function, you can specify all zero parameters to get an "autocrop" effect, meaning it will remove all single-color "edges" of an image.