Gmagick
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Gmagick::cropimage

(PECL gmagick >= Unknown)

Gmagick::cropimageExtracts 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


Gmagick
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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.

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