Imagick::chopImage()
(PECL imagick 2.0.0)
Removes a region of an image and trims
说明
Imagick::chopImage(int $width,int $height,int $x,int $y): bool
Removes a region of an image and collapses the image to occupy the removed portion.
参数
- $width
Width of the chopped area
- $height
Height of the chopped area
- $x
X origo of the chopped area
- $y
Y origo of the chopped area
返回值
成功时返回TRUE
。
错误/异常
错误时抛出 ImagickException。
范例
Example #1 Using Imagick::chopImage():
Example of using Imagick::chopImage
<?php /* Create some objects */ $image = new Imagick(); $pixel = new ImagickPixel( 'gray' ); /* New image */ $image->newImage(400, 200, $pixel); /* Chop image */ $image->chopImage(200, 200, 0, 0); /* Give image a format */ $image->setImageFormat('png'); /* Output the image with headers */ header('Content-type: image/png'); echo $image; ?>
参见
- Imagick::cropImage() 截图图片的一块区域