Imagick::addImage()

(PECL imagick 2.0.0)

Adds new image to Imagick object image list

说明

Imagick::addImage(Imagick$source): bool

Adds new image to Imagick object from the current position of the source object. After the operation iterator position is moved at the end of the list.

参数

$source

The source Imagick object

返回值

成功时返回TRUE。

错误／异常

错误时抛出 ImagickException。

create a favicon.ico with multiple resolutions
<?php 
$src_img = new Imagick("src_img.png");
$icon = new Imagick();
$icon->setFormat("ico");
$geo=$src_img->getImageGeometry();
$size_w=$geo['width'];
$size_h=$geo['height']; 
if (128/$size_w*$size_h>128) {
 $src_img->scaleImage(128,0);
} else {
 $src_img->scaleImage(0,128); 
} 
$src_img->cropImage(128, 128, 0, 0);
$clone = $src_img->clone();
$clone->scaleImage(16,0);      
$icon->addImage($clone);
$clone = $src_img->clone();
$clone->scaleImage(32,0);      
$icon->addImage($clone);
$clone = $src_img->clone();
$clone->scaleImage(64,0);      
$icon->addImage($clone);
$clone = $src_img->clone();
$clone->scaleImage(128,0);  
$icon->addImage($clone);
$icon->writeImages("favicon.ico", true);
$src_img->destroy(); 
$icon->destroy(); 
$clone->destroy(); 
?>