php教程

Imagick::borderImage

(PECL imagick 2.0.0)

Imagick::borderImageSurrounds the image with a border

说明

Imagick::borderImage ( mixed $bordercolor , int $width , int $height ) : bool

Surrounds the image with a border of the color defined by the bordercolor ImagickPixel object.

参数

bordercolor

ImagickPixel object or a string containing the border color

width

Border width

height

Border height

返回值

成功时返回 TRUE

更新日志

版本 说明
2.1.0 Now allows a string representing the color as the first parameter. Previous versions allow only an ImagickPixel object.

范例

Example #1 Imagick::borderImage()

<?php
function borderImage($imagePath$color$width$height) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->borderImage($color$width$height);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

User Contributed Notes

rosh3000 at gmail dot com 06-Jul-2015 03:52
To  get an image with exact dimensions (i.e. add whitespace) use with borderImage: 
$desired_width = 1000;
$desired_height = 1000;

 $image->scaleImage($desired_width,$desired_height , true);
 $image->borderImage('white', ($image->getImageWidth() - $desired_width) / 2,($image->getImageHeight() - $desired_height ) / 2);

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