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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL gmagick >= Unknown)
Gmagick::cropimage — Extracts a region of the image
$width
, int $height
, int $x
, int $y
)Extracts a region of the image.
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
The cropped Gmagick object
错误时抛出 GmagickException。
[#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.