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:

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.