Gmagick::cropimage

(PECL gmagick >= Unknown)

Gmagick::cropimageExtracts a region of the image

说明

public Gmagick::cropimage ( int $width , int $height , int $x , int $y ) : Gmagick

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

User Contributed Notes

martin at arp242 dot net 22-Jun-2011 12:52
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.
PHP8中文手册 站长在线 整理 版权归PHP文档组所有