Imagick::setImageBackgroundColor
(PECL imagick 2, PECL imagick 3)
Imagick::setImageBackgroundColor — Sets the image background color
说明
Sets the image background color.
参数
background-
返回值
成功时返回 true。
错误／异常
错误时抛出 ImagickException。
更新日志
| 版本 | 说明 |
|---|---|
| PECL imagick 2.1.0 | Now allows a string representing the color as the parameter. Previous versions allow only an ImagickPixel object. |
＋添加备注
用户贡献的备注 1 note
mjunaidahmad at outlook dot com ¶
7 years ago
<?php
$im = new \Imagick();
/* read image (914x784) */
$im->readImage($_SERVER['DOCUMENT_ROOT']."/path/toimage/".$inputfront);
$im->setImageBackgroundColor(new \ImagickPixel('transparent')); /* this is equal to -background none (in imagemagick command options ) */
/*Control points for the distortion in order to check weather setImageBackgound is working properly*/
$controlPoints = array( 0,0,
280,0,
994,0,
914,50,
994,862,
784,842,
0,862,
110,762);
/* Perform the distortion */
$im->distortImage(\Imagick::DISTORTION_PERSPECTIVE, $controlPoints, true);
/* Ouput the image */
$output_front_distort="Projects/path/where you want to store image/distorted_book.png";
header("Content-Type: image/png");
$im->writeImage($_SERVER['DOCUMENT_ROOT']."/designerr/public/".$output_front_distort);
?>备份地址：http://www.lvesu.com/blog/php/imagick.setimagebackgroundcolor.php